./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/weaver/chl-array-int-trans.wvr.c --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations BEFORE --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-array-int-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 3f188168fffbbf8c03071990a7bb806f47bcfd599d52fd9001ab6073a6b782e8 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations BEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-31 21:27:37,476 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-31 21:27:37,479 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-31 21:27:37,522 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-31 21:27:37,522 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-31 21:27:37,525 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-31 21:27:37,527 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-31 21:27:37,529 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-31 21:27:37,531 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-31 21:27:37,536 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-31 21:27:37,537 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-31 21:27:37,539 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-31 21:27:37,539 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-31 21:27:37,542 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-31 21:27:37,544 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-31 21:27:37,549 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-31 21:27:37,550 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-31 21:27:37,551 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-31 21:27:37,552 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-31 21:27:37,557 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-31 21:27:37,558 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-31 21:27:37,559 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-31 21:27:37,560 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-31 21:27:37,561 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-31 21:27:37,567 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-31 21:27:37,567 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-31 21:27:37,567 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-31 21:27:37,569 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-31 21:27:37,569 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-31 21:27:37,570 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-31 21:27:37,570 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-31 21:27:37,572 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-31 21:27:37,573 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-31 21:27:37,574 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-31 21:27:37,574 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-31 21:27:37,575 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-31 21:27:37,575 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-31 21:27:37,580 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-31 21:27:37,580 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-31 21:27:37,581 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-31 21:27:37,581 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-31 21:27:37,586 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-31 21:27:37,616 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-31 21:27:37,616 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-31 21:27:37,616 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-31 21:27:37,616 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-31 21:27:37,617 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-31 21:27:37,617 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-31 21:27:37,617 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-31 21:27:37,617 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-31 21:27:37,617 INFO L138 SettingsManager]: * Use SBE=true [2023-08-31 21:27:37,618 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-31 21:27:37,618 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-31 21:27:37,618 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-31 21:27:37,618 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-31 21:27:37,618 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-31 21:27:37,618 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-31 21:27:37,618 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-31 21:27:37,618 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-31 21:27:37,618 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-31 21:27:37,618 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-31 21:27:37,619 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-31 21:27:37,619 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-31 21:27:37,619 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-31 21:27:37,619 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-31 21:27:37,619 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-31 21:27:37,619 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-31 21:27:37,619 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-31 21:27:37,619 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-31 21:27:37,619 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-31 21:27:37,619 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-31 21:27:37,620 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-31 21:27:37,620 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-31 21:27:37,620 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-31 21:27:37,620 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-31 21:27:37,620 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-31 21:27:37,620 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-31 21:27:37,620 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-31 21:27:37,620 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-31 21:27:37,620 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f188168fffbbf8c03071990a7bb806f47bcfd599d52fd9001ab6073a6b782e8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> BEFORE [2023-08-31 21:27:37,911 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-31 21:27:37,929 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-31 21:27:37,933 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-31 21:27:37,933 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-31 21:27:37,934 INFO L275 PluginConnector]: CDTParser initialized [2023-08-31 21:27:37,935 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-array-int-trans.wvr.c [2023-08-31 21:27:38,994 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-31 21:27:39,196 INFO L351 CDTParser]: Found 1 translation units. [2023-08-31 21:27:39,197 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-array-int-trans.wvr.c [2023-08-31 21:27:39,204 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b047e2554/a1e1bf2e1c4d4d2889d335c66d101407/FLAG942951330 [2023-08-31 21:27:39,219 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b047e2554/a1e1bf2e1c4d4d2889d335c66d101407 [2023-08-31 21:27:39,221 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-31 21:27:39,222 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-31 21:27:39,225 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-31 21:27:39,225 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-31 21:27:39,227 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-31 21:27:39,228 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 09:27:39" (1/1) ... [2023-08-31 21:27:39,229 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@748b7171 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:27:39, skipping insertion in model container [2023-08-31 21:27:39,229 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 09:27:39" (1/1) ... [2023-08-31 21:27:39,235 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-31 21:27:39,257 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-31 21:27:39,463 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-array-int-trans.wvr.c[2728,2741] [2023-08-31 21:27:39,483 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-31 21:27:39,494 INFO L203 MainTranslator]: Completed pre-run [2023-08-31 21:27:39,539 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-array-int-trans.wvr.c[2728,2741] [2023-08-31 21:27:39,556 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-31 21:27:39,606 INFO L208 MainTranslator]: Completed translation [2023-08-31 21:27:39,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:27:39 WrapperNode [2023-08-31 21:27:39,607 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-31 21:27:39,608 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-31 21:27:39,609 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-31 21:27:39,609 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-31 21:27:39,614 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:27:39" (1/1) ... [2023-08-31 21:27:39,634 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:27:39" (1/1) ... [2023-08-31 21:27:39,690 INFO L138 Inliner]: procedures = 26, calls = 49, calls flagged for inlining = 13, calls inlined = 21, statements flattened = 510 [2023-08-31 21:27:39,690 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-31 21:27:39,692 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-31 21:27:39,692 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-31 21:27:39,693 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-31 21:27:39,700 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:27:39" (1/1) ... [2023-08-31 21:27:39,700 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:27:39" (1/1) ... [2023-08-31 21:27:39,720 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:27:39" (1/1) ... [2023-08-31 21:27:39,721 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:27:39" (1/1) ... [2023-08-31 21:27:39,762 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:27:39" (1/1) ... [2023-08-31 21:27:39,767 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:27:39" (1/1) ... [2023-08-31 21:27:39,774 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:27:39" (1/1) ... [2023-08-31 21:27:39,784 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:27:39" (1/1) ... [2023-08-31 21:27:39,789 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-31 21:27:39,789 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-31 21:27:39,791 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-31 21:27:39,792 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-31 21:27:39,792 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:27:39" (1/1) ... [2023-08-31 21:27:39,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-31 21:27:39,807 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-31 21:27:39,818 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) [2023-08-31 21:27:39,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-31 21:27:39,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-31 21:27:39,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-31 21:27:39,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-31 21:27:39,855 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-31 21:27:39,855 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-31 21:27:39,855 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-31 21:27:39,855 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-31 21:27:39,855 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-08-31 21:27:39,855 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-08-31 21:27:39,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-31 21:27:39,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-31 21:27:39,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-31 21:27:39,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-31 21:27:39,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-31 21:27:39,857 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-31 21:27:39,837 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 [2023-08-31 21:27:40,032 INFO L236 CfgBuilder]: Building ICFG [2023-08-31 21:27:40,033 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-31 21:27:40,744 INFO L277 CfgBuilder]: Performing block encoding [2023-08-31 21:27:40,756 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-31 21:27:40,762 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-08-31 21:27:40,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 09:27:40 BoogieIcfgContainer [2023-08-31 21:27:40,765 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-31 21:27:40,767 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-31 21:27:40,767 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-31 21:27:40,769 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-31 21:27:40,769 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.08 09:27:39" (1/3) ... [2023-08-31 21:27:40,770 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cd7b325 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.08 09:27:40, skipping insertion in model container [2023-08-31 21:27:40,770 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:27:39" (2/3) ... [2023-08-31 21:27:40,770 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cd7b325 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.08 09:27:40, skipping insertion in model container [2023-08-31 21:27:40,771 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 09:27:40" (3/3) ... [2023-08-31 21:27:40,772 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-array-int-trans.wvr.c [2023-08-31 21:27:40,779 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-31 21:27:40,784 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-31 21:27:40,784 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 60 error locations. [2023-08-31 21:27:40,785 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-31 21:27:40,966 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-08-31 21:27:41,021 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 585 places, 608 transitions, 1240 flow [2023-08-31 21:27:41,253 INFO L130 PetriNetUnfolder]: 33/605 cut-off events. [2023-08-31 21:27:41,253 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-08-31 21:27:41,266 INFO L83 FinitePrefix]: Finished finitePrefix Result has 618 conditions, 605 events. 33/605 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1453 event pairs, 0 based on Foata normal form. 0/512 useless extension candidates. Maximal degree in co-relation 436. Up to 3 conditions per place. [2023-08-31 21:27:41,267 INFO L82 GeneralOperation]: Start removeDead. Operand has 585 places, 608 transitions, 1240 flow [2023-08-31 21:27:41,278 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 563 places, 584 transitions, 1186 flow [2023-08-31 21:27:41,283 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-31 21:27:41,297 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 563 places, 584 transitions, 1186 flow [2023-08-31 21:27:41,300 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 563 places, 584 transitions, 1186 flow [2023-08-31 21:27:41,300 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 563 places, 584 transitions, 1186 flow [2023-08-31 21:27:41,417 INFO L130 PetriNetUnfolder]: 31/584 cut-off events. [2023-08-31 21:27:41,418 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-08-31 21:27:41,423 INFO L83 FinitePrefix]: Finished finitePrefix Result has 597 conditions, 584 events. 31/584 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1434 event pairs, 0 based on Foata normal form. 0/494 useless extension candidates. Maximal degree in co-relation 436. Up to 3 conditions per place. [2023-08-31 21:27:41,458 INFO L119 LiptonReduction]: Number of co-enabled transitions 85536 [2023-08-31 21:27:52,627 INFO L134 LiptonReduction]: Checked pairs total: 534753 [2023-08-31 21:27:52,628 INFO L136 LiptonReduction]: Total number of compositions: 495 [2023-08-31 21:27:52,639 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-31 21:27:52,644 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;@7ab36354, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-31 21:27:52,644 INFO L358 AbstractCegarLoop]: Starting to check reachability of 105 error locations. [2023-08-31 21:27:52,645 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-31 21:27:52,646 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-31 21:27:52,646 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:27:52,646 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-31 21:27:52,647 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 101 more)] === [2023-08-31 21:27:52,650 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:27:52,651 INFO L85 PathProgramCache]: Analyzing trace with hash 2196, now seen corresponding path program 1 times [2023-08-31 21:27:52,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:27:52,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162734861] [2023-08-31 21:27:52,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:27:52,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:27:52,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:27:52,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:27:52,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:27:52,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162734861] [2023-08-31 21:27:52,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [162734861] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:27:52,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:27:52,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-31 21:27:52,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945456863] [2023-08-31 21:27:52,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:27:52,752 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-31 21:27:52,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:27:52,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-31 21:27:52,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-31 21:27:52,783 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 582 out of 1103 [2023-08-31 21:27:52,787 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 214 places, 220 transitions, 458 flow. Second operand has 2 states, 2 states have (on average 582.5) internal successors, (1165), 2 states have internal predecessors, (1165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:27:52,788 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:27:52,788 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 582 of 1103 [2023-08-31 21:27:52,789 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:27:55,924 INFO L130 PetriNetUnfolder]: 8052/29020 cut-off events. [2023-08-31 21:27:55,924 INFO L131 PetriNetUnfolder]: For 624/741 co-relation queries the response was YES. [2023-08-31 21:27:56,030 INFO L83 FinitePrefix]: Finished finitePrefix Result has 40133 conditions, 29020 events. 8052/29020 cut-off events. For 624/741 co-relation queries the response was YES. Maximal size of possible extension queue 722. Compared 355681 event pairs, 5793 based on Foata normal form. 2152/25480 useless extension candidates. Maximal degree in co-relation 36687. Up to 10786 conditions per place. [2023-08-31 21:27:56,195 INFO L137 encePairwiseOnDemand]: 1078/1103 looper letters, 55 selfloop transitions, 0 changer transitions 1/195 dead transitions. [2023-08-31 21:27:56,195 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 194 places, 195 transitions, 520 flow [2023-08-31 21:27:56,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-31 21:27:56,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-31 21:27:56,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 1245 transitions. [2023-08-31 21:27:56,216 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5643699002719855 [2023-08-31 21:27:56,217 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 1245 transitions. [2023-08-31 21:27:56,218 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 1245 transitions. [2023-08-31 21:27:56,221 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:27:56,224 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 1245 transitions. [2023-08-31 21:27:56,231 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 622.5) internal successors, (1245), 2 states have internal predecessors, (1245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:27:56,240 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 1103.0) internal successors, (3309), 3 states have internal predecessors, (3309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:27:56,242 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 1103.0) internal successors, (3309), 3 states have internal predecessors, (3309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:27:56,243 INFO L175 Difference]: Start difference. First operand has 214 places, 220 transitions, 458 flow. Second operand 2 states and 1245 transitions. [2023-08-31 21:27:56,244 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 194 places, 195 transitions, 520 flow [2023-08-31 21:27:56,256 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 188 places, 195 transitions, 508 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-08-31 21:27:56,261 INFO L231 Difference]: Finished difference. Result has 188 places, 194 transitions, 393 flow [2023-08-31 21:27:56,263 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1103, PETRI_DIFFERENCE_MINUEND_FLOW=396, PETRI_DIFFERENCE_MINUEND_PLACES=187, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=195, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=195, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=393, PETRI_PLACES=188, PETRI_TRANSITIONS=194} [2023-08-31 21:27:56,269 INFO L281 CegarLoopForPetriNet]: 214 programPoint places, -26 predicate places. [2023-08-31 21:27:56,270 INFO L495 AbstractCegarLoop]: Abstraction has has 188 places, 194 transitions, 393 flow [2023-08-31 21:27:56,271 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 582.5) internal successors, (1165), 2 states have internal predecessors, (1165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:27:56,272 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:27:56,273 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:27:56,275 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-31 21:27:56,275 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 101 more)] === [2023-08-31 21:27:56,283 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:27:56,284 INFO L85 PathProgramCache]: Analyzing trace with hash -1066737720, now seen corresponding path program 1 times [2023-08-31 21:27:56,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:27:56,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521077027] [2023-08-31 21:27:56,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:27:56,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:27:56,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:27:56,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:27:56,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:27:56,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521077027] [2023-08-31 21:27:56,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521077027] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:27:56,502 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:27:56,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:27:56,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216348240] [2023-08-31 21:27:56,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:27:56,503 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:27:56,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:27:56,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:27:56,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:27:56,529 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 566 out of 1103 [2023-08-31 21:27:56,531 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 194 transitions, 393 flow. Second operand has 3 states, 3 states have (on average 568.3333333333334) internal successors, (1705), 3 states have internal predecessors, (1705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:27:56,532 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:27:56,532 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 566 of 1103 [2023-08-31 21:27:56,532 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:27:59,310 INFO L130 PetriNetUnfolder]: 10814/35892 cut-off events. [2023-08-31 21:27:59,311 INFO L131 PetriNetUnfolder]: For 155/372 co-relation queries the response was YES. [2023-08-31 21:27:59,389 INFO L83 FinitePrefix]: Finished finitePrefix Result has 50532 conditions, 35892 events. 10814/35892 cut-off events. For 155/372 co-relation queries the response was YES. Maximal size of possible extension queue 916. Compared 439265 event pairs, 8015 based on Foata normal form. 0/29299 useless extension candidates. Maximal degree in co-relation 50529. Up to 14526 conditions per place. [2023-08-31 21:27:59,538 INFO L137 encePairwiseOnDemand]: 1098/1103 looper letters, 58 selfloop transitions, 1 changer transitions 0/190 dead transitions. [2023-08-31 21:27:59,538 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 185 places, 190 transitions, 503 flow [2023-08-31 21:27:59,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:27:59,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:27:59,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1761 transitions. [2023-08-31 21:27:59,543 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5321849501359928 [2023-08-31 21:27:59,543 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1761 transitions. [2023-08-31 21:27:59,543 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1761 transitions. [2023-08-31 21:27:59,544 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:27:59,545 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1761 transitions. [2023-08-31 21:27:59,548 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 587.0) internal successors, (1761), 3 states have internal predecessors, (1761), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:27:59,554 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1103.0) internal successors, (4412), 4 states have internal predecessors, (4412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:27:59,557 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1103.0) internal successors, (4412), 4 states have internal predecessors, (4412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:27:59,557 INFO L175 Difference]: Start difference. First operand has 188 places, 194 transitions, 393 flow. Second operand 3 states and 1761 transitions. [2023-08-31 21:27:59,557 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 185 places, 190 transitions, 503 flow [2023-08-31 21:27:59,559 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 185 places, 190 transitions, 503 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 21:27:59,561 INFO L231 Difference]: Finished difference. Result has 185 places, 190 transitions, 387 flow [2023-08-31 21:27:59,562 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1103, PETRI_DIFFERENCE_MINUEND_FLOW=385, PETRI_DIFFERENCE_MINUEND_PLACES=183, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=190, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=189, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=387, PETRI_PLACES=185, PETRI_TRANSITIONS=190} [2023-08-31 21:27:59,562 INFO L281 CegarLoopForPetriNet]: 214 programPoint places, -29 predicate places. [2023-08-31 21:27:59,563 INFO L495 AbstractCegarLoop]: Abstraction has has 185 places, 190 transitions, 387 flow [2023-08-31 21:27:59,564 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 568.3333333333334) internal successors, (1705), 3 states have internal predecessors, (1705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:27:59,564 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:27:59,564 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:27:59,564 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-31 21:27:59,565 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 101 more)] === [2023-08-31 21:27:59,565 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:27:59,565 INFO L85 PathProgramCache]: Analyzing trace with hash 1370169714, now seen corresponding path program 1 times [2023-08-31 21:27:59,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:27:59,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320673772] [2023-08-31 21:27:59,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:27:59,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:27:59,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:27:59,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:27:59,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:27:59,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320673772] [2023-08-31 21:27:59,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1320673772] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:27:59,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:27:59,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:27:59,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893273258] [2023-08-31 21:27:59,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:27:59,641 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:27:59,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:27:59,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:27:59,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:27:59,664 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 566 out of 1103 [2023-08-31 21:27:59,666 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 185 places, 190 transitions, 387 flow. Second operand has 3 states, 3 states have (on average 569.0) internal successors, (1707), 3 states have internal predecessors, (1707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:27:59,667 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:27:59,667 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 566 of 1103 [2023-08-31 21:27:59,667 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:28:02,725 INFO L130 PetriNetUnfolder]: 12514/41275 cut-off events. [2023-08-31 21:28:02,725 INFO L131 PetriNetUnfolder]: For 182/407 co-relation queries the response was YES. [2023-08-31 21:28:02,795 INFO L83 FinitePrefix]: Finished finitePrefix Result has 58288 conditions, 41275 events. 12514/41275 cut-off events. For 182/407 co-relation queries the response was YES. Maximal size of possible extension queue 993. Compared 513429 event pairs, 9481 based on Foata normal form. 0/33406 useless extension candidates. Maximal degree in co-relation 58284. Up to 16862 conditions per place. [2023-08-31 21:28:02,945 INFO L137 encePairwiseOnDemand]: 1098/1103 looper letters, 59 selfloop transitions, 1 changer transitions 0/186 dead transitions. [2023-08-31 21:28:02,946 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 183 places, 186 transitions, 499 flow [2023-08-31 21:28:02,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:28:02,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:28:02,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1762 transitions. [2023-08-31 21:28:02,951 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5324871562405561 [2023-08-31 21:28:02,951 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1762 transitions. [2023-08-31 21:28:02,951 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1762 transitions. [2023-08-31 21:28:02,952 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:28:02,952 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1762 transitions. [2023-08-31 21:28:02,955 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 587.3333333333334) internal successors, (1762), 3 states have internal predecessors, (1762), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:02,961 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1103.0) internal successors, (4412), 4 states have internal predecessors, (4412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:02,963 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1103.0) internal successors, (4412), 4 states have internal predecessors, (4412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:02,964 INFO L175 Difference]: Start difference. First operand has 185 places, 190 transitions, 387 flow. Second operand 3 states and 1762 transitions. [2023-08-31 21:28:02,964 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 183 places, 186 transitions, 499 flow [2023-08-31 21:28:02,966 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 182 places, 186 transitions, 498 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-31 21:28:02,968 INFO L231 Difference]: Finished difference. Result has 182 places, 186 transitions, 380 flow [2023-08-31 21:28:02,968 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1103, PETRI_DIFFERENCE_MINUEND_FLOW=378, PETRI_DIFFERENCE_MINUEND_PLACES=180, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=186, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=185, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=380, PETRI_PLACES=182, PETRI_TRANSITIONS=186} [2023-08-31 21:28:02,970 INFO L281 CegarLoopForPetriNet]: 214 programPoint places, -32 predicate places. [2023-08-31 21:28:02,972 INFO L495 AbstractCegarLoop]: Abstraction has has 182 places, 186 transitions, 380 flow [2023-08-31 21:28:02,973 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 569.0) internal successors, (1707), 3 states have internal predecessors, (1707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:02,974 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:28:02,974 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:28:02,974 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-31 21:28:02,974 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 101 more)] === [2023-08-31 21:28:02,975 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:28:02,975 INFO L85 PathProgramCache]: Analyzing trace with hash -1821816876, now seen corresponding path program 1 times [2023-08-31 21:28:02,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:28:02,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783322213] [2023-08-31 21:28:02,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:28:02,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:28:03,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:28:03,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:28:03,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:28:03,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783322213] [2023-08-31 21:28:03,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783322213] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:28:03,072 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:28:03,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:28:03,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312415668] [2023-08-31 21:28:03,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:28:03,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:28:03,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:28:03,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:28:03,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:28:03,093 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 566 out of 1103 [2023-08-31 21:28:03,096 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 182 places, 186 transitions, 380 flow. Second operand has 3 states, 3 states have (on average 569.3333333333334) internal successors, (1708), 3 states have internal predecessors, (1708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:03,099 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:28:03,099 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 566 of 1103 [2023-08-31 21:28:03,099 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:28:05,158 INFO L130 PetriNetUnfolder]: 9446/32018 cut-off events. [2023-08-31 21:28:05,158 INFO L131 PetriNetUnfolder]: For 159/229 co-relation queries the response was YES. [2023-08-31 21:28:05,229 INFO L83 FinitePrefix]: Finished finitePrefix Result has 44802 conditions, 32018 events. 9446/32018 cut-off events. For 159/229 co-relation queries the response was YES. Maximal size of possible extension queue 818. Compared 390206 event pairs, 6917 based on Foata normal form. 0/25989 useless extension candidates. Maximal degree in co-relation 44798. Up to 12674 conditions per place. [2023-08-31 21:28:05,343 INFO L137 encePairwiseOnDemand]: 1098/1103 looper letters, 56 selfloop transitions, 1 changer transitions 0/182 dead transitions. [2023-08-31 21:28:05,343 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 180 places, 182 transitions, 486 flow [2023-08-31 21:28:05,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:28:05,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:28:05,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1759 transitions. [2023-08-31 21:28:05,348 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5315805379268661 [2023-08-31 21:28:05,348 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1759 transitions. [2023-08-31 21:28:05,348 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1759 transitions. [2023-08-31 21:28:05,349 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:28:05,349 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1759 transitions. [2023-08-31 21:28:05,352 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 586.3333333333334) internal successors, (1759), 3 states have internal predecessors, (1759), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:05,358 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1103.0) internal successors, (4412), 4 states have internal predecessors, (4412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:05,360 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1103.0) internal successors, (4412), 4 states have internal predecessors, (4412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:05,360 INFO L175 Difference]: Start difference. First operand has 182 places, 186 transitions, 380 flow. Second operand 3 states and 1759 transitions. [2023-08-31 21:28:05,360 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 180 places, 182 transitions, 486 flow [2023-08-31 21:28:05,362 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 179 places, 182 transitions, 485 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-31 21:28:05,363 INFO L231 Difference]: Finished difference. Result has 179 places, 182 transitions, 373 flow [2023-08-31 21:28:05,364 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1103, PETRI_DIFFERENCE_MINUEND_FLOW=371, PETRI_DIFFERENCE_MINUEND_PLACES=177, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=182, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=181, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=373, PETRI_PLACES=179, PETRI_TRANSITIONS=182} [2023-08-31 21:28:05,365 INFO L281 CegarLoopForPetriNet]: 214 programPoint places, -35 predicate places. [2023-08-31 21:28:05,365 INFO L495 AbstractCegarLoop]: Abstraction has has 179 places, 182 transitions, 373 flow [2023-08-31 21:28:05,366 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 569.3333333333334) internal successors, (1708), 3 states have internal predecessors, (1708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:05,366 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:28:05,366 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:28:05,366 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-31 21:28:05,366 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 101 more)] === [2023-08-31 21:28:05,367 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:28:05,367 INFO L85 PathProgramCache]: Analyzing trace with hash -569875197, now seen corresponding path program 1 times [2023-08-31 21:28:05,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:28:05,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476850311] [2023-08-31 21:28:05,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:28:05,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:28:05,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:28:05,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:28:05,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:28:05,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476850311] [2023-08-31 21:28:05,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476850311] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:28:05,433 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:28:05,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-31 21:28:05,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048943219] [2023-08-31 21:28:05,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:28:05,435 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:28:05,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:28:05,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:28:05,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:28:05,446 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 574 out of 1103 [2023-08-31 21:28:05,448 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 179 places, 182 transitions, 373 flow. Second operand has 3 states, 3 states have (on average 577.0) internal successors, (1731), 3 states have internal predecessors, (1731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:05,448 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:28:05,448 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 574 of 1103 [2023-08-31 21:28:05,448 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:28:07,708 INFO L130 PetriNetUnfolder]: 8816/30160 cut-off events. [2023-08-31 21:28:07,708 INFO L131 PetriNetUnfolder]: For 140/140 co-relation queries the response was YES. [2023-08-31 21:28:07,780 INFO L83 FinitePrefix]: Finished finitePrefix Result has 42088 conditions, 30160 events. 8816/30160 cut-off events. For 140/140 co-relation queries the response was YES. Maximal size of possible extension queue 727. Compared 364436 event pairs, 5793 based on Foata normal form. 0/24337 useless extension candidates. Maximal degree in co-relation 42084. Up to 10785 conditions per place. [2023-08-31 21:28:07,863 INFO L137 encePairwiseOnDemand]: 1100/1103 looper letters, 86 selfloop transitions, 2 changer transitions 0/215 dead transitions. [2023-08-31 21:28:07,863 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 181 places, 215 transitions, 617 flow [2023-08-31 21:28:07,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:28:07,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:28:07,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1811 transitions. [2023-08-31 21:28:07,870 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5472952553641584 [2023-08-31 21:28:07,870 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1811 transitions. [2023-08-31 21:28:07,871 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1811 transitions. [2023-08-31 21:28:07,878 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:28:07,878 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1811 transitions. [2023-08-31 21:28:07,883 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 603.6666666666666) internal successors, (1811), 3 states have internal predecessors, (1811), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:07,890 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1103.0) internal successors, (4412), 4 states have internal predecessors, (4412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:07,892 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1103.0) internal successors, (4412), 4 states have internal predecessors, (4412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:07,892 INFO L175 Difference]: Start difference. First operand has 179 places, 182 transitions, 373 flow. Second operand 3 states and 1811 transitions. [2023-08-31 21:28:07,892 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 181 places, 215 transitions, 617 flow [2023-08-31 21:28:07,894 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 180 places, 215 transitions, 616 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-31 21:28:07,898 INFO L231 Difference]: Finished difference. Result has 181 places, 183 transitions, 384 flow [2023-08-31 21:28:07,898 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1103, PETRI_DIFFERENCE_MINUEND_FLOW=372, PETRI_DIFFERENCE_MINUEND_PLACES=178, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=182, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=180, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=384, PETRI_PLACES=181, PETRI_TRANSITIONS=183} [2023-08-31 21:28:07,901 INFO L281 CegarLoopForPetriNet]: 214 programPoint places, -33 predicate places. [2023-08-31 21:28:07,901 INFO L495 AbstractCegarLoop]: Abstraction has has 181 places, 183 transitions, 384 flow [2023-08-31 21:28:07,902 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 577.0) internal successors, (1731), 3 states have internal predecessors, (1731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:07,902 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:28:07,902 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:28:07,902 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-31 21:28:07,902 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 101 more)] === [2023-08-31 21:28:07,903 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:28:07,903 INFO L85 PathProgramCache]: Analyzing trace with hash 1328973341, now seen corresponding path program 1 times [2023-08-31 21:28:07,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:28:07,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485431681] [2023-08-31 21:28:07,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:28:07,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:28:07,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:28:08,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:28:08,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:28:08,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485431681] [2023-08-31 21:28:08,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485431681] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:28:08,224 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:28:08,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-31 21:28:08,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948483424] [2023-08-31 21:28:08,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:28:08,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 21:28:08,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:28:08,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 21:28:08,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-31 21:28:08,851 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 561 out of 1103 [2023-08-31 21:28:08,854 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 181 places, 183 transitions, 384 flow. Second operand has 6 states, 6 states have (on average 563.3333333333334) internal successors, (3380), 6 states have internal predecessors, (3380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:08,855 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:28:08,855 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 561 of 1103 [2023-08-31 21:28:08,855 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:28:12,322 INFO L130 PetriNetUnfolder]: 26784/44908 cut-off events. [2023-08-31 21:28:12,322 INFO L131 PetriNetUnfolder]: For 3890/3890 co-relation queries the response was YES. [2023-08-31 21:28:12,438 INFO L83 FinitePrefix]: Finished finitePrefix Result has 83725 conditions, 44908 events. 26784/44908 cut-off events. For 3890/3890 co-relation queries the response was YES. Maximal size of possible extension queue 1247. Compared 374976 event pairs, 2505 based on Foata normal form. 0/36589 useless extension candidates. Maximal degree in co-relation 83720. Up to 12412 conditions per place. [2023-08-31 21:28:12,593 INFO L137 encePairwiseOnDemand]: 1098/1103 looper letters, 212 selfloop transitions, 4 changer transitions 0/338 dead transitions. [2023-08-31 21:28:12,593 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 185 places, 338 transitions, 1166 flow [2023-08-31 21:28:12,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 21:28:12,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 21:28:12,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3578 transitions. [2023-08-31 21:28:12,601 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5406467210637654 [2023-08-31 21:28:12,601 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3578 transitions. [2023-08-31 21:28:12,602 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3578 transitions. [2023-08-31 21:28:12,604 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:28:12,604 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3578 transitions. [2023-08-31 21:28:12,610 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 596.3333333333334) internal successors, (3578), 6 states have internal predecessors, (3578), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:12,619 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1103.0) internal successors, (7721), 7 states have internal predecessors, (7721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:12,621 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1103.0) internal successors, (7721), 7 states have internal predecessors, (7721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:12,621 INFO L175 Difference]: Start difference. First operand has 181 places, 183 transitions, 384 flow. Second operand 6 states and 3578 transitions. [2023-08-31 21:28:12,621 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 185 places, 338 transitions, 1166 flow [2023-08-31 21:28:12,626 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 184 places, 338 transitions, 1156 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-31 21:28:12,629 INFO L231 Difference]: Finished difference. Result has 184 places, 182 transitions, 388 flow [2023-08-31 21:28:12,630 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1103, PETRI_DIFFERENCE_MINUEND_FLOW=380, PETRI_DIFFERENCE_MINUEND_PLACES=179, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=182, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=178, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=388, PETRI_PLACES=184, PETRI_TRANSITIONS=182} [2023-08-31 21:28:12,630 INFO L281 CegarLoopForPetriNet]: 214 programPoint places, -30 predicate places. [2023-08-31 21:28:12,631 INFO L495 AbstractCegarLoop]: Abstraction has has 184 places, 182 transitions, 388 flow [2023-08-31 21:28:12,632 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 563.3333333333334) internal successors, (3380), 6 states have internal predecessors, (3380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:12,632 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:28:12,632 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:28:12,633 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-31 21:28:12,633 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 101 more)] === [2023-08-31 21:28:12,633 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:28:12,633 INFO L85 PathProgramCache]: Analyzing trace with hash -853126434, now seen corresponding path program 1 times [2023-08-31 21:28:12,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:28:12,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919935826] [2023-08-31 21:28:12,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:28:12,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:28:12,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:28:12,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:28:12,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:28:12,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919935826] [2023-08-31 21:28:12,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1919935826] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:28:12,674 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:28:12,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-31 21:28:12,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141891287] [2023-08-31 21:28:12,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:28:12,675 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:28:12,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:28:12,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:28:12,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:28:12,685 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 574 out of 1103 [2023-08-31 21:28:12,686 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 184 places, 182 transitions, 388 flow. Second operand has 3 states, 3 states have (on average 577.6666666666666) internal successors, (1733), 3 states have internal predecessors, (1733), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:12,687 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:28:12,687 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 574 of 1103 [2023-08-31 21:28:12,687 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:28:15,265 INFO L130 PetriNetUnfolder]: 9716/34218 cut-off events. [2023-08-31 21:28:15,266 INFO L131 PetriNetUnfolder]: For 2426/2495 co-relation queries the response was YES. [2023-08-31 21:28:15,338 INFO L83 FinitePrefix]: Finished finitePrefix Result has 50443 conditions, 34218 events. 9716/34218 cut-off events. For 2426/2495 co-relation queries the response was YES. Maximal size of possible extension queue 771. Compared 424815 event pairs, 6413 based on Foata normal form. 0/28251 useless extension candidates. Maximal degree in co-relation 50438. Up to 11821 conditions per place. [2023-08-31 21:28:15,424 INFO L137 encePairwiseOnDemand]: 1100/1103 looper letters, 88 selfloop transitions, 2 changer transitions 0/216 dead transitions. [2023-08-31 21:28:15,424 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 186 places, 216 transitions, 648 flow [2023-08-31 21:28:15,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:28:15,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:28:15,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1811 transitions. [2023-08-31 21:28:15,431 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5472952553641584 [2023-08-31 21:28:15,431 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1811 transitions. [2023-08-31 21:28:15,431 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1811 transitions. [2023-08-31 21:28:15,432 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:28:15,432 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1811 transitions. [2023-08-31 21:28:15,435 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 603.6666666666666) internal successors, (1811), 3 states have internal predecessors, (1811), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:15,439 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1103.0) internal successors, (4412), 4 states have internal predecessors, (4412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:15,439 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1103.0) internal successors, (4412), 4 states have internal predecessors, (4412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:15,440 INFO L175 Difference]: Start difference. First operand has 184 places, 182 transitions, 388 flow. Second operand 3 states and 1811 transitions. [2023-08-31 21:28:15,440 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 186 places, 216 transitions, 648 flow [2023-08-31 21:28:15,455 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 182 places, 216 transitions, 639 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-31 21:28:15,458 INFO L231 Difference]: Finished difference. Result has 183 places, 183 transitions, 393 flow [2023-08-31 21:28:15,458 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1103, PETRI_DIFFERENCE_MINUEND_FLOW=381, PETRI_DIFFERENCE_MINUEND_PLACES=180, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=182, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=180, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=393, PETRI_PLACES=183, PETRI_TRANSITIONS=183} [2023-08-31 21:28:15,459 INFO L281 CegarLoopForPetriNet]: 214 programPoint places, -31 predicate places. [2023-08-31 21:28:15,459 INFO L495 AbstractCegarLoop]: Abstraction has has 183 places, 183 transitions, 393 flow [2023-08-31 21:28:15,459 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 577.6666666666666) internal successors, (1733), 3 states have internal predecessors, (1733), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:15,459 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:28:15,460 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:28:15,460 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-31 21:28:15,460 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 101 more)] === [2023-08-31 21:28:15,460 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:28:15,460 INFO L85 PathProgramCache]: Analyzing trace with hash 2090295781, now seen corresponding path program 1 times [2023-08-31 21:28:15,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:28:15,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943171912] [2023-08-31 21:28:15,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:28:15,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:28:15,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:28:15,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:28:15,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:28:15,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943171912] [2023-08-31 21:28:15,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943171912] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:28:15,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:28:15,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:28:15,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053866123] [2023-08-31 21:28:15,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:28:15,489 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:28:15,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:28:15,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:28:15,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:28:15,502 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 569 out of 1103 [2023-08-31 21:28:15,503 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 183 places, 183 transitions, 393 flow. Second operand has 3 states, 3 states have (on average 572.6666666666666) internal successors, (1718), 3 states have internal predecessors, (1718), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:15,503 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:28:15,504 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 569 of 1103 [2023-08-31 21:28:15,504 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:28:18,503 INFO L130 PetriNetUnfolder]: 16908/41928 cut-off events. [2023-08-31 21:28:18,503 INFO L131 PetriNetUnfolder]: For 4487/4563 co-relation queries the response was YES. [2023-08-31 21:28:18,595 INFO L83 FinitePrefix]: Finished finitePrefix Result has 70065 conditions, 41928 events. 16908/41928 cut-off events. For 4487/4563 co-relation queries the response was YES. Maximal size of possible extension queue 1036. Compared 466977 event pairs, 3389 based on Foata normal form. 0/35656 useless extension candidates. Maximal degree in co-relation 70059. Up to 18208 conditions per place. [2023-08-31 21:28:18,716 INFO L137 encePairwiseOnDemand]: 1097/1103 looper letters, 97 selfloop transitions, 2 changer transitions 0/216 dead transitions. [2023-08-31 21:28:18,716 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 181 places, 216 transitions, 679 flow [2023-08-31 21:28:18,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:28:18,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:28:18,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1806 transitions. [2023-08-31 21:28:18,721 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5457842248413418 [2023-08-31 21:28:18,721 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1806 transitions. [2023-08-31 21:28:18,721 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1806 transitions. [2023-08-31 21:28:18,722 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:28:18,722 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1806 transitions. [2023-08-31 21:28:18,725 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 602.0) internal successors, (1806), 3 states have internal predecessors, (1806), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:18,729 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1103.0) internal successors, (4412), 4 states have internal predecessors, (4412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:18,730 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1103.0) internal successors, (4412), 4 states have internal predecessors, (4412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:18,730 INFO L175 Difference]: Start difference. First operand has 183 places, 183 transitions, 393 flow. Second operand 3 states and 1806 transitions. [2023-08-31 21:28:18,730 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 181 places, 216 transitions, 679 flow [2023-08-31 21:28:18,740 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 180 places, 216 transitions, 675 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-31 21:28:18,743 INFO L231 Difference]: Finished difference. Result has 181 places, 181 transitions, 399 flow [2023-08-31 21:28:18,744 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1103, PETRI_DIFFERENCE_MINUEND_FLOW=383, PETRI_DIFFERENCE_MINUEND_PLACES=178, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=179, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=177, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=399, PETRI_PLACES=181, PETRI_TRANSITIONS=181} [2023-08-31 21:28:18,745 INFO L281 CegarLoopForPetriNet]: 214 programPoint places, -33 predicate places. [2023-08-31 21:28:18,745 INFO L495 AbstractCegarLoop]: Abstraction has has 181 places, 181 transitions, 399 flow [2023-08-31 21:28:18,746 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 572.6666666666666) internal successors, (1718), 3 states have internal predecessors, (1718), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:18,746 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:28:18,746 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:28:18,746 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-31 21:28:18,747 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 101 more)] === [2023-08-31 21:28:18,747 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:28:18,747 INFO L85 PathProgramCache]: Analyzing trace with hash 92943666, now seen corresponding path program 1 times [2023-08-31 21:28:18,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:28:18,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330432633] [2023-08-31 21:28:18,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:28:18,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:28:18,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:28:18,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:28:18,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:28:18,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330432633] [2023-08-31 21:28:18,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330432633] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:28:18,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:28:18,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:28:18,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203564271] [2023-08-31 21:28:18,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:28:18,785 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:28:18,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:28:18,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:28:18,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:28:18,799 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 569 out of 1103 [2023-08-31 21:28:18,801 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 181 places, 181 transitions, 399 flow. Second operand has 3 states, 3 states have (on average 573.3333333333334) internal successors, (1720), 3 states have internal predecessors, (1720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:18,801 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:28:18,801 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 569 of 1103 [2023-08-31 21:28:18,801 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:28:23,240 INFO L130 PetriNetUnfolder]: 25441/63742 cut-off events. [2023-08-31 21:28:23,241 INFO L131 PetriNetUnfolder]: For 7034/7108 co-relation queries the response was YES. [2023-08-31 21:28:23,413 INFO L83 FinitePrefix]: Finished finitePrefix Result has 107557 conditions, 63742 events. 25441/63742 cut-off events. For 7034/7108 co-relation queries the response was YES. Maximal size of possible extension queue 1450. Compared 748019 event pairs, 5956 based on Foata normal form. 0/56958 useless extension candidates. Maximal degree in co-relation 107551. Up to 25504 conditions per place. [2023-08-31 21:28:23,665 INFO L137 encePairwiseOnDemand]: 1097/1103 looper letters, 107 selfloop transitions, 2 changer transitions 0/221 dead transitions. [2023-08-31 21:28:23,666 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 179 places, 221 transitions, 729 flow [2023-08-31 21:28:23,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:28:23,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:28:23,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1812 transitions. [2023-08-31 21:28:23,670 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5475974614687217 [2023-08-31 21:28:23,670 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1812 transitions. [2023-08-31 21:28:23,671 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1812 transitions. [2023-08-31 21:28:23,671 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:28:23,671 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1812 transitions. [2023-08-31 21:28:23,674 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 604.0) internal successors, (1812), 3 states have internal predecessors, (1812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:23,678 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1103.0) internal successors, (4412), 4 states have internal predecessors, (4412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:23,679 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1103.0) internal successors, (4412), 4 states have internal predecessors, (4412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:23,679 INFO L175 Difference]: Start difference. First operand has 181 places, 181 transitions, 399 flow. Second operand 3 states and 1812 transitions. [2023-08-31 21:28:23,679 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 179 places, 221 transitions, 729 flow [2023-08-31 21:28:23,695 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 179 places, 221 transitions, 729 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 21:28:23,697 INFO L231 Difference]: Finished difference. Result has 180 places, 179 transitions, 407 flow [2023-08-31 21:28:23,698 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1103, PETRI_DIFFERENCE_MINUEND_FLOW=391, PETRI_DIFFERENCE_MINUEND_PLACES=177, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=177, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=175, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=407, PETRI_PLACES=180, PETRI_TRANSITIONS=179} [2023-08-31 21:28:23,698 INFO L281 CegarLoopForPetriNet]: 214 programPoint places, -34 predicate places. [2023-08-31 21:28:23,699 INFO L495 AbstractCegarLoop]: Abstraction has has 180 places, 179 transitions, 407 flow [2023-08-31 21:28:23,699 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 573.3333333333334) internal successors, (1720), 3 states have internal predecessors, (1720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:23,699 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:28:23,700 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] [2023-08-31 21:28:23,700 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-31 21:28:23,700 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 101 more)] === [2023-08-31 21:28:23,700 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:28:23,700 INFO L85 PathProgramCache]: Analyzing trace with hash -1096416983, now seen corresponding path program 1 times [2023-08-31 21:28:23,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:28:23,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42566444] [2023-08-31 21:28:23,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:28:23,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:28:23,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:28:23,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:28:23,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:28:23,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42566444] [2023-08-31 21:28:23,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [42566444] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:28:23,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:28:23,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-08-31 21:28:23,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924653518] [2023-08-31 21:28:23,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:28:23,817 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-31 21:28:23,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:28:23,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-31 21:28:23,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-08-31 21:28:23,966 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 566 out of 1103 [2023-08-31 21:28:23,968 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 180 places, 179 transitions, 407 flow. Second operand has 5 states, 5 states have (on average 568.0) internal successors, (2840), 5 states have internal predecessors, (2840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:23,968 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:28:23,968 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 566 of 1103 [2023-08-31 21:28:23,968 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:28:29,696 INFO L130 PetriNetUnfolder]: 28796/75299 cut-off events. [2023-08-31 21:28:29,696 INFO L131 PetriNetUnfolder]: For 12014/12103 co-relation queries the response was YES. [2023-08-31 21:28:29,961 INFO L83 FinitePrefix]: Finished finitePrefix Result has 128648 conditions, 75299 events. 28796/75299 cut-off events. For 12014/12103 co-relation queries the response was YES. Maximal size of possible extension queue 1765. Compared 936143 event pairs, 14863 based on Foata normal form. 602/68479 useless extension candidates. Maximal degree in co-relation 128641. Up to 26091 conditions per place. [2023-08-31 21:28:30,317 INFO L137 encePairwiseOnDemand]: 1098/1103 looper letters, 141 selfloop transitions, 4 changer transitions 0/264 dead transitions. [2023-08-31 21:28:30,317 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 184 places, 264 transitions, 920 flow [2023-08-31 21:28:30,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-31 21:28:30,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-31 21:28:30,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2965 transitions. [2023-08-31 21:28:30,324 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5376246600181324 [2023-08-31 21:28:30,324 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 2965 transitions. [2023-08-31 21:28:30,324 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 2965 transitions. [2023-08-31 21:28:30,326 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:28:30,326 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 2965 transitions. [2023-08-31 21:28:30,331 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 593.0) internal successors, (2965), 5 states have internal predecessors, (2965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:30,338 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 1103.0) internal successors, (6618), 6 states have internal predecessors, (6618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:30,340 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 1103.0) internal successors, (6618), 6 states have internal predecessors, (6618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:30,340 INFO L175 Difference]: Start difference. First operand has 180 places, 179 transitions, 407 flow. Second operand 5 states and 2965 transitions. [2023-08-31 21:28:30,340 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 184 places, 264 transitions, 920 flow [2023-08-31 21:28:30,586 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 184 places, 264 transitions, 920 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 21:28:30,589 INFO L231 Difference]: Finished difference. Result has 187 places, 182 transitions, 436 flow [2023-08-31 21:28:30,590 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1103, PETRI_DIFFERENCE_MINUEND_FLOW=407, PETRI_DIFFERENCE_MINUEND_PLACES=180, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=179, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=175, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=436, PETRI_PLACES=187, PETRI_TRANSITIONS=182} [2023-08-31 21:28:30,590 INFO L281 CegarLoopForPetriNet]: 214 programPoint places, -27 predicate places. [2023-08-31 21:28:30,591 INFO L495 AbstractCegarLoop]: Abstraction has has 187 places, 182 transitions, 436 flow [2023-08-31 21:28:30,591 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 568.0) internal successors, (2840), 5 states have internal predecessors, (2840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:30,592 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:28:30,592 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] [2023-08-31 21:28:30,592 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-08-31 21:28:30,592 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 101 more)] === [2023-08-31 21:28:30,592 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:28:30,593 INFO L85 PathProgramCache]: Analyzing trace with hash -1682280386, now seen corresponding path program 1 times [2023-08-31 21:28:30,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:28:30,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414558642] [2023-08-31 21:28:30,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:28:30,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:28:30,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:28:30,732 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-31 21:28:30,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:28:30,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414558642] [2023-08-31 21:28:30,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1414558642] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:28:30,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:28:30,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-08-31 21:28:30,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009364457] [2023-08-31 21:28:30,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:28:30,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 21:28:30,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:28:30,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 21:28:30,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-08-31 21:28:31,025 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 558 out of 1103 [2023-08-31 21:28:31,028 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 187 places, 182 transitions, 436 flow. Second operand has 6 states, 6 states have (on average 559.8333333333334) internal successors, (3359), 6 states have internal predecessors, (3359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:31,028 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:28:31,028 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 558 of 1103 [2023-08-31 21:28:31,028 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:28:45,215 INFO L130 PetriNetUnfolder]: 74046/177793 cut-off events. [2023-08-31 21:28:45,215 INFO L131 PetriNetUnfolder]: For 39434/39434 co-relation queries the response was YES. [2023-08-31 21:28:45,978 INFO L83 FinitePrefix]: Finished finitePrefix Result has 322152 conditions, 177793 events. 74046/177793 cut-off events. For 39434/39434 co-relation queries the response was YES. Maximal size of possible extension queue 4093. Compared 2354418 event pairs, 30619 based on Foata normal form. 1204/162430 useless extension candidates. Maximal degree in co-relation 322141. Up to 34063 conditions per place. [2023-08-31 21:28:46,730 INFO L137 encePairwiseOnDemand]: 1094/1103 looper letters, 321 selfloop transitions, 19 changer transitions 0/459 dead transitions. [2023-08-31 21:28:46,730 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 196 places, 459 transitions, 1859 flow [2023-08-31 21:28:46,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-31 21:28:46,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-31 21:28:46,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 5890 transitions. [2023-08-31 21:28:46,738 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5339981867633726 [2023-08-31 21:28:46,738 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 5890 transitions. [2023-08-31 21:28:46,738 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 5890 transitions. [2023-08-31 21:28:46,740 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:28:46,740 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 5890 transitions. [2023-08-31 21:28:46,749 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 589.0) internal successors, (5890), 10 states have internal predecessors, (5890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:46,760 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 1103.0) internal successors, (12133), 11 states have internal predecessors, (12133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:46,761 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 1103.0) internal successors, (12133), 11 states have internal predecessors, (12133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:46,762 INFO L175 Difference]: Start difference. First operand has 187 places, 182 transitions, 436 flow. Second operand 10 states and 5890 transitions. [2023-08-31 21:28:46,762 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 196 places, 459 transitions, 1859 flow [2023-08-31 21:28:47,929 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 195 places, 459 transitions, 1855 flow, removed 1 selfloop flow, removed 1 redundant places. [2023-08-31 21:28:47,934 INFO L231 Difference]: Finished difference. Result has 199 places, 197 transitions, 563 flow [2023-08-31 21:28:47,934 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1103, PETRI_DIFFERENCE_MINUEND_FLOW=432, PETRI_DIFFERENCE_MINUEND_PLACES=186, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=182, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=171, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=563, PETRI_PLACES=199, PETRI_TRANSITIONS=197} [2023-08-31 21:28:47,934 INFO L281 CegarLoopForPetriNet]: 214 programPoint places, -15 predicate places. [2023-08-31 21:28:47,935 INFO L495 AbstractCegarLoop]: Abstraction has has 199 places, 197 transitions, 563 flow [2023-08-31 21:28:47,935 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 559.8333333333334) internal successors, (3359), 6 states have internal predecessors, (3359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:47,936 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:28:47,936 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] [2023-08-31 21:28:47,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-08-31 21:28:47,936 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread3Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 101 more)] === [2023-08-31 21:28:47,936 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:28:47,937 INFO L85 PathProgramCache]: Analyzing trace with hash 183329249, now seen corresponding path program 1 times [2023-08-31 21:28:47,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:28:47,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802852296] [2023-08-31 21:28:47,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:28:47,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:28:47,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:28:47,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:28:47,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:28:47,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802852296] [2023-08-31 21:28:47,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [802852296] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:28:47,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:28:47,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-31 21:28:47,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190810334] [2023-08-31 21:28:47,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:28:47,968 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:28:47,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:28:47,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:28:47,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:28:47,977 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 574 out of 1103 [2023-08-31 21:28:47,978 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 199 places, 197 transitions, 563 flow. Second operand has 3 states, 3 states have (on average 578.6666666666666) internal successors, (1736), 3 states have internal predecessors, (1736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:28:47,978 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:28:47,978 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 574 of 1103 [2023-08-31 21:28:47,978 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:29:04,813 INFO L130 PetriNetUnfolder]: 80922/206401 cut-off events. [2023-08-31 21:29:04,814 INFO L131 PetriNetUnfolder]: For 92194/92596 co-relation queries the response was YES. [2023-08-31 21:29:05,813 INFO L83 FinitePrefix]: Finished finitePrefix Result has 387634 conditions, 206401 events. 80922/206401 cut-off events. For 92194/92596 co-relation queries the response was YES. Maximal size of possible extension queue 4930. Compared 2888460 event pairs, 57858 based on Foata normal form. 2682/189299 useless extension candidates. Maximal degree in co-relation 387619. Up to 101358 conditions per place. [2023-08-31 21:29:06,530 INFO L137 encePairwiseOnDemand]: 1100/1103 looper letters, 121 selfloop transitions, 2 changer transitions 0/242 dead transitions. [2023-08-31 21:29:06,530 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 201 places, 242 transitions, 1017 flow [2023-08-31 21:29:06,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:29:06,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:29:06,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1806 transitions. [2023-08-31 21:29:06,533 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5457842248413418 [2023-08-31 21:29:06,533 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1806 transitions. [2023-08-31 21:29:06,533 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1806 transitions. [2023-08-31 21:29:06,534 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:29:06,534 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1806 transitions. [2023-08-31 21:29:06,536 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 602.0) internal successors, (1806), 3 states have internal predecessors, (1806), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:29:06,539 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1103.0) internal successors, (4412), 4 states have internal predecessors, (4412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:29:06,540 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1103.0) internal successors, (4412), 4 states have internal predecessors, (4412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:29:06,540 INFO L175 Difference]: Start difference. First operand has 199 places, 197 transitions, 563 flow. Second operand 3 states and 1806 transitions. [2023-08-31 21:29:06,540 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 201 places, 242 transitions, 1017 flow [2023-08-31 21:29:06,739 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 201 places, 242 transitions, 1015 flow, removed 1 selfloop flow, removed 0 redundant places. [2023-08-31 21:29:06,741 INFO L231 Difference]: Finished difference. Result has 202 places, 198 transitions, 575 flow [2023-08-31 21:29:06,742 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1103, PETRI_DIFFERENCE_MINUEND_FLOW=561, PETRI_DIFFERENCE_MINUEND_PLACES=199, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=197, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=195, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=575, PETRI_PLACES=202, PETRI_TRANSITIONS=198} [2023-08-31 21:29:06,742 INFO L281 CegarLoopForPetriNet]: 214 programPoint places, -12 predicate places. [2023-08-31 21:29:06,742 INFO L495 AbstractCegarLoop]: Abstraction has has 202 places, 198 transitions, 575 flow [2023-08-31 21:29:06,743 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 578.6666666666666) internal successors, (1736), 3 states have internal predecessors, (1736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:29:06,743 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:29:06,743 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] [2023-08-31 21:29:06,744 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-08-31 21:29:06,744 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 101 more)] === [2023-08-31 21:29:06,744 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:29:06,744 INFO L85 PathProgramCache]: Analyzing trace with hash 1547524995, now seen corresponding path program 1 times [2023-08-31 21:29:06,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:29:06,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912980193] [2023-08-31 21:29:06,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:29:06,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:29:06,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:29:07,002 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-31 21:29:07,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:29:07,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912980193] [2023-08-31 21:29:07,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912980193] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:29:07,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:29:07,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-31 21:29:07,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517625231] [2023-08-31 21:29:07,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:29:07,003 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 21:29:07,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:29:07,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 21:29:07,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-31 21:29:07,588 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 554 out of 1103 [2023-08-31 21:29:07,590 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 202 places, 198 transitions, 575 flow. Second operand has 6 states, 6 states have (on average 556.8333333333334) internal successors, (3341), 6 states have internal predecessors, (3341), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:29:07,590 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:29:07,590 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 554 of 1103 [2023-08-31 21:29:07,590 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:29:26,839 INFO L130 PetriNetUnfolder]: 93823/226225 cut-off events. [2023-08-31 21:29:26,840 INFO L131 PetriNetUnfolder]: For 110608/111016 co-relation queries the response was YES. [2023-08-31 21:29:28,257 INFO L83 FinitePrefix]: Finished finitePrefix Result has 443698 conditions, 226225 events. 93823/226225 cut-off events. For 110608/111016 co-relation queries the response was YES. Maximal size of possible extension queue 5360. Compared 3106755 event pairs, 62221 based on Foata normal form. 0/208444 useless extension candidates. Maximal degree in co-relation 443681. Up to 107457 conditions per place. [2023-08-31 21:29:28,982 INFO L137 encePairwiseOnDemand]: 1096/1103 looper letters, 228 selfloop transitions, 5 changer transitions 0/340 dead transitions. [2023-08-31 21:29:28,983 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 205 places, 340 transitions, 1443 flow [2023-08-31 21:29:28,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 21:29:28,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 21:29:28,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3523 transitions. [2023-08-31 21:29:28,988 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5323360531882744 [2023-08-31 21:29:28,988 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3523 transitions. [2023-08-31 21:29:28,988 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3523 transitions. [2023-08-31 21:29:28,989 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:29:28,989 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3523 transitions. [2023-08-31 21:29:28,993 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 587.1666666666666) internal successors, (3523), 6 states have internal predecessors, (3523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:29:28,998 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1103.0) internal successors, (7721), 7 states have internal predecessors, (7721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:29:28,999 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1103.0) internal successors, (7721), 7 states have internal predecessors, (7721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:29:28,999 INFO L175 Difference]: Start difference. First operand has 202 places, 198 transitions, 575 flow. Second operand 6 states and 3523 transitions. [2023-08-31 21:29:28,999 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 205 places, 340 transitions, 1443 flow [2023-08-31 21:29:29,887 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 204 places, 340 transitions, 1433 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-31 21:29:29,890 INFO L231 Difference]: Finished difference. Result has 204 places, 196 transitions, 579 flow [2023-08-31 21:29:29,890 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1103, PETRI_DIFFERENCE_MINUEND_FLOW=569, PETRI_DIFFERENCE_MINUEND_PLACES=199, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=196, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=191, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=579, PETRI_PLACES=204, PETRI_TRANSITIONS=196} [2023-08-31 21:29:29,890 INFO L281 CegarLoopForPetriNet]: 214 programPoint places, -10 predicate places. [2023-08-31 21:29:29,891 INFO L495 AbstractCegarLoop]: Abstraction has has 204 places, 196 transitions, 579 flow [2023-08-31 21:29:29,891 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 556.8333333333334) internal successors, (3341), 6 states have internal predecessors, (3341), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:29:29,891 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:29:29,891 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] [2023-08-31 21:29:29,891 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-08-31 21:29:29,891 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 101 more)] === [2023-08-31 21:29:29,892 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:29:29,892 INFO L85 PathProgramCache]: Analyzing trace with hash -1264685258, now seen corresponding path program 1 times [2023-08-31 21:29:29,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:29:29,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905053218] [2023-08-31 21:29:29,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:29:29,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:29:29,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:29:30,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:29:30,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:29:30,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905053218] [2023-08-31 21:29:30,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [905053218] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:29:30,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:29:30,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-31 21:29:30,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428749075] [2023-08-31 21:29:30,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:29:30,009 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-31 21:29:30,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:29:30,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-31 21:29:30,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-08-31 21:29:30,185 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 566 out of 1103 [2023-08-31 21:29:30,187 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 204 places, 196 transitions, 579 flow. Second operand has 5 states, 5 states have (on average 568.4) internal successors, (2842), 5 states have internal predecessors, (2842), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:29:30,187 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:29:30,187 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 566 of 1103 [2023-08-31 21:29:30,187 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:29:40,597 INFO L130 PetriNetUnfolder]: 46830/118511 cut-off events. [2023-08-31 21:29:40,597 INFO L131 PetriNetUnfolder]: For 56736/56968 co-relation queries the response was YES. [2023-08-31 21:29:41,209 INFO L83 FinitePrefix]: Finished finitePrefix Result has 230479 conditions, 118511 events. 46830/118511 cut-off events. For 56736/56968 co-relation queries the response was YES. Maximal size of possible extension queue 2687. Compared 1518670 event pairs, 28579 based on Foata normal form. 1224/111492 useless extension candidates. Maximal degree in co-relation 230462. Up to 44537 conditions per place. [2023-08-31 21:29:41,762 INFO L137 encePairwiseOnDemand]: 1097/1103 looper letters, 205 selfloop transitions, 7 changer transitions 0/329 dead transitions. [2023-08-31 21:29:41,762 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 210 places, 329 transitions, 1419 flow [2023-08-31 21:29:41,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-08-31 21:29:41,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-08-31 21:29:41,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 4151 transitions. [2023-08-31 21:29:41,768 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5376246600181324 [2023-08-31 21:29:41,768 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 4151 transitions. [2023-08-31 21:29:41,768 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 4151 transitions. [2023-08-31 21:29:41,769 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:29:41,769 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 4151 transitions. [2023-08-31 21:29:41,772 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 593.0) internal successors, (4151), 7 states have internal predecessors, (4151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:29:41,777 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 1103.0) internal successors, (8824), 8 states have internal predecessors, (8824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:29:41,777 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 1103.0) internal successors, (8824), 8 states have internal predecessors, (8824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:29:41,777 INFO L175 Difference]: Start difference. First operand has 204 places, 196 transitions, 579 flow. Second operand 7 states and 4151 transitions. [2023-08-31 21:29:41,777 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 210 places, 329 transitions, 1419 flow [2023-08-31 21:29:42,314 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 205 places, 329 transitions, 1409 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-31 21:29:42,316 INFO L231 Difference]: Finished difference. Result has 207 places, 198 transitions, 595 flow [2023-08-31 21:29:42,316 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1103, PETRI_DIFFERENCE_MINUEND_FLOW=569, PETRI_DIFFERENCE_MINUEND_PLACES=199, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=196, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=190, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=595, PETRI_PLACES=207, PETRI_TRANSITIONS=198} [2023-08-31 21:29:42,317 INFO L281 CegarLoopForPetriNet]: 214 programPoint places, -7 predicate places. [2023-08-31 21:29:42,317 INFO L495 AbstractCegarLoop]: Abstraction has has 207 places, 198 transitions, 595 flow [2023-08-31 21:29:42,317 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 568.4) internal successors, (2842), 5 states have internal predecessors, (2842), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:29:42,317 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:29:42,318 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] [2023-08-31 21:29:42,318 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-08-31 21:29:42,318 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 101 more)] === [2023-08-31 21:29:42,318 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:29:42,318 INFO L85 PathProgramCache]: Analyzing trace with hash -52568507, now seen corresponding path program 1 times [2023-08-31 21:29:42,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:29:42,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238254350] [2023-08-31 21:29:42,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:29:42,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:29:42,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:29:42,415 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-31 21:29:42,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:29:42,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238254350] [2023-08-31 21:29:42,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [238254350] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:29:42,416 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:29:42,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-08-31 21:29:42,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387186208] [2023-08-31 21:29:42,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:29:42,417 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 21:29:42,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:29:42,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 21:29:42,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-08-31 21:29:42,723 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 558 out of 1103 [2023-08-31 21:29:42,725 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 198 transitions, 595 flow. Second operand has 6 states, 6 states have (on average 560.1666666666666) internal successors, (3361), 6 states have internal predecessors, (3361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:29:42,725 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:29:42,725 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 558 of 1103 [2023-08-31 21:29:42,725 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:29:54,676 INFO L130 PetriNetUnfolder]: 62561/145325 cut-off events. [2023-08-31 21:29:54,676 INFO L131 PetriNetUnfolder]: For 86435/87017 co-relation queries the response was YES. [2023-08-31 21:29:55,461 INFO L83 FinitePrefix]: Finished finitePrefix Result has 299921 conditions, 145325 events. 62561/145325 cut-off events. For 86435/87017 co-relation queries the response was YES. Maximal size of possible extension queue 3393. Compared 1824465 event pairs, 31916 based on Foata normal form. 1038/136133 useless extension candidates. Maximal degree in co-relation 299902. Up to 45751 conditions per place. [2023-08-31 21:29:55,898 INFO L137 encePairwiseOnDemand]: 1095/1103 looper letters, 248 selfloop transitions, 13 changer transitions 0/378 dead transitions. [2023-08-31 21:29:55,898 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 213 places, 378 transitions, 1822 flow [2023-08-31 21:29:55,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-08-31 21:29:55,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-08-31 21:29:55,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 4104 transitions. [2023-08-31 21:29:55,903 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5315373656262142 [2023-08-31 21:29:55,903 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 4104 transitions. [2023-08-31 21:29:55,903 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 4104 transitions. [2023-08-31 21:29:55,903 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:29:55,904 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 4104 transitions. [2023-08-31 21:29:55,907 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 586.2857142857143) internal successors, (4104), 7 states have internal predecessors, (4104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:29:55,911 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 1103.0) internal successors, (8824), 8 states have internal predecessors, (8824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:29:55,911 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 1103.0) internal successors, (8824), 8 states have internal predecessors, (8824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:29:55,911 INFO L175 Difference]: Start difference. First operand has 207 places, 198 transitions, 595 flow. Second operand 7 states and 4104 transitions. [2023-08-31 21:29:55,912 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 213 places, 378 transitions, 1822 flow [2023-08-31 21:29:56,383 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 212 places, 378 transitions, 1818 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-31 21:29:56,386 INFO L231 Difference]: Finished difference. Result has 216 places, 205 transitions, 673 flow [2023-08-31 21:29:56,386 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1103, PETRI_DIFFERENCE_MINUEND_FLOW=591, PETRI_DIFFERENCE_MINUEND_PLACES=206, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=198, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=187, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=673, PETRI_PLACES=216, PETRI_TRANSITIONS=205} [2023-08-31 21:29:56,386 INFO L281 CegarLoopForPetriNet]: 214 programPoint places, 2 predicate places. [2023-08-31 21:29:56,386 INFO L495 AbstractCegarLoop]: Abstraction has has 216 places, 205 transitions, 673 flow [2023-08-31 21:29:56,387 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 560.1666666666666) internal successors, (3361), 6 states have internal predecessors, (3361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:29:56,387 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:29:56,387 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] [2023-08-31 21:29:56,387 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-08-31 21:29:56,387 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting thread3Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 101 more)] === [2023-08-31 21:29:56,387 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:29:56,387 INFO L85 PathProgramCache]: Analyzing trace with hash -1478983578, now seen corresponding path program 1 times [2023-08-31 21:29:56,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:29:56,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296606216] [2023-08-31 21:29:56,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:29:56,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:29:56,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:29:56,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:29:56,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:29:56,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296606216] [2023-08-31 21:29:56,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296606216] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:29:56,542 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:29:56,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-31 21:29:56,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64366402] [2023-08-31 21:29:56,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:29:56,544 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 21:29:56,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:29:56,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 21:29:56,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-08-31 21:29:56,824 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 558 out of 1103 [2023-08-31 21:29:56,826 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 216 places, 205 transitions, 673 flow. Second operand has 6 states, 6 states have (on average 560.6666666666666) internal successors, (3364), 6 states have internal predecessors, (3364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:29:56,827 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:29:56,827 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 558 of 1103 [2023-08-31 21:29:56,827 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:30:07,792 INFO L130 PetriNetUnfolder]: 48020/122432 cut-off events. [2023-08-31 21:30:07,793 INFO L131 PetriNetUnfolder]: For 101602/102004 co-relation queries the response was YES. [2023-08-31 21:30:08,610 INFO L83 FinitePrefix]: Finished finitePrefix Result has 257968 conditions, 122432 events. 48020/122432 cut-off events. For 101602/102004 co-relation queries the response was YES. Maximal size of possible extension queue 2657. Compared 1575721 event pairs, 33735 based on Foata normal form. 406/114508 useless extension candidates. Maximal degree in co-relation 257944. Up to 58001 conditions per place. [2023-08-31 21:30:08,991 INFO L137 encePairwiseOnDemand]: 1095/1103 looper letters, 202 selfloop transitions, 7 changer transitions 0/326 dead transitions. [2023-08-31 21:30:08,992 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 221 places, 326 transitions, 1729 flow [2023-08-31 21:30:08,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 21:30:08,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 21:30:08,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3480 transitions. [2023-08-31 21:30:08,997 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5258386219401632 [2023-08-31 21:30:08,997 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3480 transitions. [2023-08-31 21:30:08,997 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3480 transitions. [2023-08-31 21:30:08,998 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:30:08,998 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3480 transitions. [2023-08-31 21:30:09,002 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 580.0) internal successors, (3480), 6 states have internal predecessors, (3480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:30:09,006 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1103.0) internal successors, (7721), 7 states have internal predecessors, (7721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:30:09,007 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1103.0) internal successors, (7721), 7 states have internal predecessors, (7721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:30:09,007 INFO L175 Difference]: Start difference. First operand has 216 places, 205 transitions, 673 flow. Second operand 6 states and 3480 transitions. [2023-08-31 21:30:09,007 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 221 places, 326 transitions, 1729 flow [2023-08-31 21:30:09,510 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 221 places, 326 transitions, 1721 flow, removed 4 selfloop flow, removed 0 redundant places. [2023-08-31 21:30:09,513 INFO L231 Difference]: Finished difference. Result has 224 places, 209 transitions, 714 flow [2023-08-31 21:30:09,513 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1103, PETRI_DIFFERENCE_MINUEND_FLOW=669, PETRI_DIFFERENCE_MINUEND_PLACES=216, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=205, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=198, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=714, PETRI_PLACES=224, PETRI_TRANSITIONS=209} [2023-08-31 21:30:09,514 INFO L281 CegarLoopForPetriNet]: 214 programPoint places, 10 predicate places. [2023-08-31 21:30:09,514 INFO L495 AbstractCegarLoop]: Abstraction has has 224 places, 209 transitions, 714 flow [2023-08-31 21:30:09,514 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 560.6666666666666) internal successors, (3364), 6 states have internal predecessors, (3364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:30:09,514 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:30:09,515 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] [2023-08-31 21:30:09,515 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-08-31 21:30:09,515 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting thread3Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 101 more)] === [2023-08-31 21:30:09,515 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:30:09,515 INFO L85 PathProgramCache]: Analyzing trace with hash -188531407, now seen corresponding path program 1 times [2023-08-31 21:30:09,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:30:09,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602289953] [2023-08-31 21:30:09,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:30:09,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:30:09,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:30:09,631 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-31 21:30:09,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:30:09,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602289953] [2023-08-31 21:30:09,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [602289953] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:30:09,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:30:09,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-08-31 21:30:09,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230774925] [2023-08-31 21:30:09,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:30:09,634 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 21:30:09,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:30:09,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 21:30:09,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-08-31 21:30:09,895 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 558 out of 1103 [2023-08-31 21:30:09,897 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 224 places, 209 transitions, 714 flow. Second operand has 6 states, 6 states have (on average 560.8333333333334) internal successors, (3365), 6 states have internal predecessors, (3365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:30:09,897 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:30:09,897 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 558 of 1103 [2023-08-31 21:30:09,897 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:30:18,375 INFO L130 PetriNetUnfolder]: 38189/90572 cut-off events. [2023-08-31 21:30:18,375 INFO L131 PetriNetUnfolder]: For 87116/87327 co-relation queries the response was YES. [2023-08-31 21:30:19,055 INFO L83 FinitePrefix]: Finished finitePrefix Result has 205896 conditions, 90572 events. 38189/90572 cut-off events. For 87116/87327 co-relation queries the response was YES. Maximal size of possible extension queue 1996. Compared 1065740 event pairs, 21668 based on Foata normal form. 338/84960 useless extension candidates. Maximal degree in co-relation 205868. Up to 36025 conditions per place. [2023-08-31 21:30:19,578 INFO L137 encePairwiseOnDemand]: 1095/1103 looper letters, 218 selfloop transitions, 17 changer transitions 0/352 dead transitions. [2023-08-31 21:30:19,578 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 230 places, 352 transitions, 1897 flow [2023-08-31 21:30:19,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-08-31 21:30:19,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-08-31 21:30:19,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 4070 transitions. [2023-08-31 21:30:19,583 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5271337909597202 [2023-08-31 21:30:19,583 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 4070 transitions. [2023-08-31 21:30:19,583 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 4070 transitions. [2023-08-31 21:30:19,584 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:30:19,584 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 4070 transitions. [2023-08-31 21:30:19,587 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 581.4285714285714) internal successors, (4070), 7 states have internal predecessors, (4070), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:30:19,591 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 1103.0) internal successors, (8824), 8 states have internal predecessors, (8824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:30:19,591 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 1103.0) internal successors, (8824), 8 states have internal predecessors, (8824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:30:19,592 INFO L175 Difference]: Start difference. First operand has 224 places, 209 transitions, 714 flow. Second operand 7 states and 4070 transitions. [2023-08-31 21:30:19,592 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 230 places, 352 transitions, 1897 flow [2023-08-31 21:30:20,250 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 228 places, 352 transitions, 1882 flow, removed 5 selfloop flow, removed 2 redundant places. [2023-08-31 21:30:20,252 INFO L231 Difference]: Finished difference. Result has 231 places, 217 transitions, 814 flow [2023-08-31 21:30:20,253 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1103, PETRI_DIFFERENCE_MINUEND_FLOW=707, PETRI_DIFFERENCE_MINUEND_PLACES=222, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=209, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=196, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=814, PETRI_PLACES=231, PETRI_TRANSITIONS=217} [2023-08-31 21:30:20,253 INFO L281 CegarLoopForPetriNet]: 214 programPoint places, 17 predicate places. [2023-08-31 21:30:20,253 INFO L495 AbstractCegarLoop]: Abstraction has has 231 places, 217 transitions, 814 flow [2023-08-31 21:30:20,254 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 560.8333333333334) internal successors, (3365), 6 states have internal predecessors, (3365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:30:20,254 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:30:20,254 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] [2023-08-31 21:30:20,254 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-08-31 21:30:20,254 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 101 more)] === [2023-08-31 21:30:20,255 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:30:20,255 INFO L85 PathProgramCache]: Analyzing trace with hash 1071899900, now seen corresponding path program 1 times [2023-08-31 21:30:20,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:30:20,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585815351] [2023-08-31 21:30:20,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:30:20,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:30:20,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:30:20,529 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-31 21:30:20,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:30:20,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585815351] [2023-08-31 21:30:20,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585815351] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:30:20,530 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:30:20,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-31 21:30:20,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442067276] [2023-08-31 21:30:20,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:30:20,531 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 21:30:20,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:30:20,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 21:30:20,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-31 21:30:21,077 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 554 out of 1103 [2023-08-31 21:30:21,079 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 231 places, 217 transitions, 814 flow. Second operand has 6 states, 6 states have (on average 557.1666666666666) internal successors, (3343), 6 states have internal predecessors, (3343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:30:21,079 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:30:21,079 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 554 of 1103 [2023-08-31 21:30:21,079 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:30:32,752 INFO L130 PetriNetUnfolder]: 55061/116963 cut-off events. [2023-08-31 21:30:32,752 INFO L131 PetriNetUnfolder]: For 134997/135409 co-relation queries the response was YES. [2023-08-31 21:30:33,608 INFO L83 FinitePrefix]: Finished finitePrefix Result has 282100 conditions, 116963 events. 55061/116963 cut-off events. For 134997/135409 co-relation queries the response was YES. Maximal size of possible extension queue 2411. Compared 1329595 event pairs, 27745 based on Foata normal form. 12/110086 useless extension candidates. Maximal degree in co-relation 282069. Up to 48185 conditions per place. [2023-08-31 21:30:33,990 INFO L137 encePairwiseOnDemand]: 1096/1103 looper letters, 271 selfloop transitions, 5 changer transitions 0/381 dead transitions. [2023-08-31 21:30:33,990 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 234 places, 381 transitions, 2127 flow [2023-08-31 21:30:33,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 21:30:33,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 21:30:33,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3521 transitions. [2023-08-31 21:30:33,994 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.532033847083711 [2023-08-31 21:30:33,994 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3521 transitions. [2023-08-31 21:30:33,995 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3521 transitions. [2023-08-31 21:30:33,995 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:30:33,996 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3521 transitions. [2023-08-31 21:30:33,999 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 586.8333333333334) internal successors, (3521), 6 states have internal predecessors, (3521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:30:34,003 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1103.0) internal successors, (7721), 7 states have internal predecessors, (7721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:30:34,004 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1103.0) internal successors, (7721), 7 states have internal predecessors, (7721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:30:34,004 INFO L175 Difference]: Start difference. First operand has 231 places, 217 transitions, 814 flow. Second operand 6 states and 3521 transitions. [2023-08-31 21:30:34,004 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 234 places, 381 transitions, 2127 flow [2023-08-31 21:30:34,901 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 233 places, 381 transitions, 2122 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-31 21:30:34,904 INFO L231 Difference]: Finished difference. Result has 233 places, 215 transitions, 815 flow [2023-08-31 21:30:34,905 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1103, PETRI_DIFFERENCE_MINUEND_FLOW=805, PETRI_DIFFERENCE_MINUEND_PLACES=228, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=215, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=210, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=815, PETRI_PLACES=233, PETRI_TRANSITIONS=215} [2023-08-31 21:30:34,905 INFO L281 CegarLoopForPetriNet]: 214 programPoint places, 19 predicate places. [2023-08-31 21:30:34,905 INFO L495 AbstractCegarLoop]: Abstraction has has 233 places, 215 transitions, 815 flow [2023-08-31 21:30:34,906 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 557.1666666666666) internal successors, (3343), 6 states have internal predecessors, (3343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:30:34,906 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:30:34,906 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] [2023-08-31 21:30:34,906 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-08-31 21:30:34,906 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting thread3Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 101 more)] === [2023-08-31 21:30:34,907 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:30:34,907 INFO L85 PathProgramCache]: Analyzing trace with hash -1618036570, now seen corresponding path program 1 times [2023-08-31 21:30:34,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:30:34,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050891114] [2023-08-31 21:30:34,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:30:34,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:30:34,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:30:35,191 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-31 21:30:35,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:30:35,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050891114] [2023-08-31 21:30:35,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1050891114] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:30:35,192 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:30:35,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-31 21:30:35,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406896979] [2023-08-31 21:30:35,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:30:35,193 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 21:30:35,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:30:35,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 21:30:35,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-31 21:30:35,848 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 554 out of 1103 [2023-08-31 21:30:35,849 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 233 places, 215 transitions, 815 flow. Second operand has 6 states, 6 states have (on average 557.6666666666666) internal successors, (3346), 6 states have internal predecessors, (3346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:30:35,849 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:30:35,849 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 554 of 1103 [2023-08-31 21:30:35,850 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:30:46,289 INFO L130 PetriNetUnfolder]: 50397/105240 cut-off events. [2023-08-31 21:30:46,289 INFO L131 PetriNetUnfolder]: For 127016/127438 co-relation queries the response was YES. [2023-08-31 21:30:47,152 INFO L83 FinitePrefix]: Finished finitePrefix Result has 261228 conditions, 105240 events. 50397/105240 cut-off events. For 127016/127438 co-relation queries the response was YES. Maximal size of possible extension queue 2471. Compared 1179066 event pairs, 25772 based on Foata normal form. 14/100200 useless extension candidates. Maximal degree in co-relation 261196. Up to 44290 conditions per place. [2023-08-31 21:30:47,496 INFO L137 encePairwiseOnDemand]: 1096/1103 looper letters, 247 selfloop transitions, 5 changer transitions 0/357 dead transitions. [2023-08-31 21:30:47,496 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 236 places, 357 transitions, 1963 flow [2023-08-31 21:30:47,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 21:30:47,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 21:30:47,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3497 transitions. [2023-08-31 21:30:47,500 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5284073738289513 [2023-08-31 21:30:47,501 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3497 transitions. [2023-08-31 21:30:47,501 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3497 transitions. [2023-08-31 21:30:47,501 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:30:47,501 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3497 transitions. [2023-08-31 21:30:47,504 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 582.8333333333334) internal successors, (3497), 6 states have internal predecessors, (3497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:30:47,508 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1103.0) internal successors, (7721), 7 states have internal predecessors, (7721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:30:47,509 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1103.0) internal successors, (7721), 7 states have internal predecessors, (7721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:30:47,509 INFO L175 Difference]: Start difference. First operand has 233 places, 215 transitions, 815 flow. Second operand 6 states and 3497 transitions. [2023-08-31 21:30:47,509 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 236 places, 357 transitions, 1963 flow [2023-08-31 21:30:48,535 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 231 places, 357 transitions, 1945 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-31 21:30:48,537 INFO L231 Difference]: Finished difference. Result has 231 places, 213 transitions, 811 flow [2023-08-31 21:30:48,538 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1103, PETRI_DIFFERENCE_MINUEND_FLOW=801, PETRI_DIFFERENCE_MINUEND_PLACES=226, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=213, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=208, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=811, PETRI_PLACES=231, PETRI_TRANSITIONS=213} [2023-08-31 21:30:48,538 INFO L281 CegarLoopForPetriNet]: 214 programPoint places, 17 predicate places. [2023-08-31 21:30:48,538 INFO L495 AbstractCegarLoop]: Abstraction has has 231 places, 213 transitions, 811 flow [2023-08-31 21:30:48,539 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 557.6666666666666) internal successors, (3346), 6 states have internal predecessors, (3346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:30:48,539 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:30:48,539 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] [2023-08-31 21:30:48,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-08-31 21:30:48,539 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 101 more)] === [2023-08-31 21:30:48,539 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:30:48,539 INFO L85 PathProgramCache]: Analyzing trace with hash -696298146, now seen corresponding path program 1 times [2023-08-31 21:30:48,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:30:48,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156874193] [2023-08-31 21:30:48,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:30:48,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:30:48,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:30:48,579 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-31 21:30:48,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:30:48,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156874193] [2023-08-31 21:30:48,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1156874193] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:30:48,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:30:48,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:30:48,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970419854] [2023-08-31 21:30:48,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:30:48,580 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:30:48,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:30:48,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:30:48,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:30:48,592 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 569 out of 1103 [2023-08-31 21:30:48,594 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 231 places, 213 transitions, 811 flow. Second operand has 3 states, 3 states have (on average 574.3333333333334) internal successors, (1723), 3 states have internal predecessors, (1723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:30:48,594 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:30:48,594 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 569 of 1103 [2023-08-31 21:30:48,594 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:31:00,328 INFO L130 PetriNetUnfolder]: 56729/117984 cut-off events. [2023-08-31 21:31:00,328 INFO L131 PetriNetUnfolder]: For 137363/137775 co-relation queries the response was YES. [2023-08-31 21:31:01,353 INFO L83 FinitePrefix]: Finished finitePrefix Result has 292251 conditions, 117984 events. 56729/117984 cut-off events. For 137363/137775 co-relation queries the response was YES. Maximal size of possible extension queue 2757. Compared 1331426 event pairs, 20402 based on Foata normal form. 12/113489 useless extension candidates. Maximal degree in co-relation 292219. Up to 47405 conditions per place. [2023-08-31 21:31:01,772 INFO L137 encePairwiseOnDemand]: 1097/1103 looper letters, 158 selfloop transitions, 2 changer transitions 0/262 dead transitions. [2023-08-31 21:31:01,772 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 229 places, 262 transitions, 1400 flow [2023-08-31 21:31:01,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:31:01,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:31:01,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1809 transitions. [2023-08-31 21:31:01,775 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5466908431550317 [2023-08-31 21:31:01,775 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1809 transitions. [2023-08-31 21:31:01,775 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1809 transitions. [2023-08-31 21:31:01,776 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:31:01,776 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1809 transitions. [2023-08-31 21:31:01,778 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 603.0) internal successors, (1809), 3 states have internal predecessors, (1809), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:31:01,780 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1103.0) internal successors, (4412), 4 states have internal predecessors, (4412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:31:01,781 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1103.0) internal successors, (4412), 4 states have internal predecessors, (4412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:31:01,781 INFO L175 Difference]: Start difference. First operand has 231 places, 213 transitions, 811 flow. Second operand 3 states and 1809 transitions. [2023-08-31 21:31:01,781 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 229 places, 262 transitions, 1400 flow [2023-08-31 21:31:02,934 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 224 places, 262 transitions, 1388 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-31 21:31:02,937 INFO L231 Difference]: Finished difference. Result has 225 places, 211 transitions, 807 flow [2023-08-31 21:31:02,938 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1103, PETRI_DIFFERENCE_MINUEND_FLOW=793, PETRI_DIFFERENCE_MINUEND_PLACES=222, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=209, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=207, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=807, PETRI_PLACES=225, PETRI_TRANSITIONS=211} [2023-08-31 21:31:02,938 INFO L281 CegarLoopForPetriNet]: 214 programPoint places, 11 predicate places. [2023-08-31 21:31:02,938 INFO L495 AbstractCegarLoop]: Abstraction has has 225 places, 211 transitions, 807 flow [2023-08-31 21:31:02,939 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 574.3333333333334) internal successors, (1723), 3 states have internal predecessors, (1723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:31:02,939 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:31:02,939 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] [2023-08-31 21:31:02,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-08-31 21:31:02,939 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 101 more)] === [2023-08-31 21:31:02,940 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:31:02,940 INFO L85 PathProgramCache]: Analyzing trace with hash 170545114, now seen corresponding path program 1 times [2023-08-31 21:31:02,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:31:02,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642394809] [2023-08-31 21:31:02,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:31:02,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:31:02,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:31:03,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:31:03,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:31:03,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642394809] [2023-08-31 21:31:03,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1642394809] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:31:03,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:31:03,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-31 21:31:03,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722728560] [2023-08-31 21:31:03,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:31:03,251 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 21:31:03,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:31:03,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 21:31:03,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-31 21:31:03,755 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 561 out of 1103 [2023-08-31 21:31:03,757 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 225 places, 211 transitions, 807 flow. Second operand has 6 states, 6 states have (on average 564.3333333333334) internal successors, (3386), 6 states have internal predecessors, (3386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:31:03,757 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:31:03,757 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 561 of 1103 [2023-08-31 21:31:03,757 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:31:16,371 INFO L130 PetriNetUnfolder]: 53440/117862 cut-off events. [2023-08-31 21:31:16,372 INFO L131 PetriNetUnfolder]: For 142730/143142 co-relation queries the response was YES. [2023-08-31 21:31:17,300 INFO L83 FinitePrefix]: Finished finitePrefix Result has 287937 conditions, 117862 events. 53440/117862 cut-off events. For 142730/143142 co-relation queries the response was YES. Maximal size of possible extension queue 2726. Compared 1382872 event pairs, 33539 based on Foata normal form. 12/113687 useless extension candidates. Maximal degree in co-relation 287905. Up to 58964 conditions per place. [2023-08-31 21:31:17,686 INFO L137 encePairwiseOnDemand]: 1098/1103 looper letters, 300 selfloop transitions, 4 changer transitions 0/410 dead transitions. [2023-08-31 21:31:17,686 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 229 places, 410 transitions, 2605 flow [2023-08-31 21:31:17,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 21:31:17,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 21:31:17,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3534 transitions. [2023-08-31 21:31:17,692 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5339981867633726 [2023-08-31 21:31:17,692 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3534 transitions. [2023-08-31 21:31:17,692 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3534 transitions. [2023-08-31 21:31:17,693 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:31:17,693 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3534 transitions. [2023-08-31 21:31:17,696 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 589.0) internal successors, (3534), 6 states have internal predecessors, (3534), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:31:17,700 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1103.0) internal successors, (7721), 7 states have internal predecessors, (7721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:31:17,701 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1103.0) internal successors, (7721), 7 states have internal predecessors, (7721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:31:17,701 INFO L175 Difference]: Start difference. First operand has 225 places, 211 transitions, 807 flow. Second operand 6 states and 3534 transitions. [2023-08-31 21:31:17,701 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 229 places, 410 transitions, 2605 flow [2023-08-31 21:31:18,680 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 229 places, 410 transitions, 2605 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 21:31:18,683 INFO L231 Difference]: Finished difference. Result has 229 places, 210 transitions, 813 flow [2023-08-31 21:31:18,683 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1103, PETRI_DIFFERENCE_MINUEND_FLOW=805, PETRI_DIFFERENCE_MINUEND_PLACES=224, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=210, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=206, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=813, PETRI_PLACES=229, PETRI_TRANSITIONS=210} [2023-08-31 21:31:18,684 INFO L281 CegarLoopForPetriNet]: 214 programPoint places, 15 predicate places. [2023-08-31 21:31:18,684 INFO L495 AbstractCegarLoop]: Abstraction has has 229 places, 210 transitions, 813 flow [2023-08-31 21:31:18,684 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 564.3333333333334) internal successors, (3386), 6 states have internal predecessors, (3386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:31:18,684 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:31:18,684 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] [2023-08-31 21:31:18,684 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-08-31 21:31:18,685 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting thread1Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 101 more)] === [2023-08-31 21:31:18,685 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:31:18,685 INFO L85 PathProgramCache]: Analyzing trace with hash -1233527895, now seen corresponding path program 1 times [2023-08-31 21:31:18,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:31:18,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066872076] [2023-08-31 21:31:18,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:31:18,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:31:18,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:31:18,945 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-31 21:31:18,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:31:18,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066872076] [2023-08-31 21:31:18,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066872076] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:31:18,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:31:18,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-31 21:31:18,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802700235] [2023-08-31 21:31:18,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:31:18,947 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 21:31:18,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:31:18,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 21:31:18,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-31 21:31:19,451 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 554 out of 1103 [2023-08-31 21:31:19,452 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 229 places, 210 transitions, 813 flow. Second operand has 6 states, 6 states have (on average 556.8333333333334) internal successors, (3341), 6 states have internal predecessors, (3341), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:31:19,452 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:31:19,452 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 554 of 1103 [2023-08-31 21:31:19,452 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:31:32,607 INFO L130 PetriNetUnfolder]: 60998/127240 cut-off events. [2023-08-31 21:31:32,608 INFO L131 PetriNetUnfolder]: For 152524/152936 co-relation queries the response was YES. [2023-08-31 21:31:33,693 INFO L83 FinitePrefix]: Finished finitePrefix Result has 318219 conditions, 127240 events. 60998/127240 cut-off events. For 152524/152936 co-relation queries the response was YES. Maximal size of possible extension queue 2631. Compared 1440327 event pairs, 32660 based on Foata normal form. 12/123258 useless extension candidates. Maximal degree in co-relation 318186. Up to 56142 conditions per place. [2023-08-31 21:31:34,101 INFO L137 encePairwiseOnDemand]: 1096/1103 looper letters, 283 selfloop transitions, 5 changer transitions 0/388 dead transitions. [2023-08-31 21:31:34,101 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 232 places, 388 transitions, 2237 flow [2023-08-31 21:31:34,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 21:31:34,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 21:31:34,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3521 transitions. [2023-08-31 21:31:34,105 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.532033847083711 [2023-08-31 21:31:34,105 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3521 transitions. [2023-08-31 21:31:34,105 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3521 transitions. [2023-08-31 21:31:34,105 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:31:34,106 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3521 transitions. [2023-08-31 21:31:34,109 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 586.8333333333334) internal successors, (3521), 6 states have internal predecessors, (3521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:31:34,113 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1103.0) internal successors, (7721), 7 states have internal predecessors, (7721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:31:34,114 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1103.0) internal successors, (7721), 7 states have internal predecessors, (7721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:31:34,114 INFO L175 Difference]: Start difference. First operand has 229 places, 210 transitions, 813 flow. Second operand 6 states and 3521 transitions. [2023-08-31 21:31:34,114 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 232 places, 388 transitions, 2237 flow [2023-08-31 21:31:35,535 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 228 places, 388 transitions, 2228 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-31 21:31:35,539 INFO L231 Difference]: Finished difference. Result has 228 places, 208 transitions, 812 flow [2023-08-31 21:31:35,539 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1103, PETRI_DIFFERENCE_MINUEND_FLOW=802, PETRI_DIFFERENCE_MINUEND_PLACES=223, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=208, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=203, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=812, PETRI_PLACES=228, PETRI_TRANSITIONS=208} [2023-08-31 21:31:35,541 INFO L281 CegarLoopForPetriNet]: 214 programPoint places, 14 predicate places. [2023-08-31 21:31:35,541 INFO L495 AbstractCegarLoop]: Abstraction has has 228 places, 208 transitions, 812 flow [2023-08-31 21:31:35,542 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 556.8333333333334) internal successors, (3341), 6 states have internal predecessors, (3341), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:31:35,542 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:31:35,542 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] [2023-08-31 21:31:35,542 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-08-31 21:31:35,542 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting thread3Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 101 more)] === [2023-08-31 21:31:35,543 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:31:35,543 INFO L85 PathProgramCache]: Analyzing trace with hash -1696943786, now seen corresponding path program 1 times [2023-08-31 21:31:35,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:31:35,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855997687] [2023-08-31 21:31:35,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:31:35,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:31:35,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:31:35,821 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-31 21:31:35,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:31:35,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855997687] [2023-08-31 21:31:35,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [855997687] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:31:35,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:31:35,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-31 21:31:35,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731692179] [2023-08-31 21:31:35,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:31:35,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 21:31:35,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:31:35,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 21:31:35,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-31 21:31:36,340 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 554 out of 1103 [2023-08-31 21:31:36,342 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 228 places, 208 transitions, 812 flow. Second operand has 6 states, 6 states have (on average 557.8333333333334) internal successors, (3347), 6 states have internal predecessors, (3347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:31:36,342 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:31:36,342 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 554 of 1103 [2023-08-31 21:31:36,342 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:31:48,881 INFO L130 PetriNetUnfolder]: 58337/122415 cut-off events. [2023-08-31 21:31:48,881 INFO L131 PetriNetUnfolder]: For 143829/144241 co-relation queries the response was YES. [2023-08-31 21:31:49,962 INFO L83 FinitePrefix]: Finished finitePrefix Result has 304637 conditions, 122415 events. 58337/122415 cut-off events. For 143829/144241 co-relation queries the response was YES. Maximal size of possible extension queue 2729. Compared 1393667 event pairs, 32681 based on Foata normal form. 12/119244 useless extension candidates. Maximal degree in co-relation 304604. Up to 56601 conditions per place. [2023-08-31 21:31:50,349 INFO L137 encePairwiseOnDemand]: 1096/1103 looper letters, 246 selfloop transitions, 5 changer transitions 0/350 dead transitions. [2023-08-31 21:31:50,349 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 231 places, 350 transitions, 1958 flow [2023-08-31 21:31:50,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 21:31:50,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 21:31:50,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3496 transitions. [2023-08-31 21:31:50,352 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5282562707766697 [2023-08-31 21:31:50,352 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3496 transitions. [2023-08-31 21:31:50,352 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3496 transitions. [2023-08-31 21:31:50,352 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:31:50,352 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3496 transitions. [2023-08-31 21:31:50,356 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 582.6666666666666) internal successors, (3496), 6 states have internal predecessors, (3496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:31:50,360 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1103.0) internal successors, (7721), 7 states have internal predecessors, (7721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:31:50,360 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1103.0) internal successors, (7721), 7 states have internal predecessors, (7721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:31:50,361 INFO L175 Difference]: Start difference. First operand has 228 places, 208 transitions, 812 flow. Second operand 6 states and 3496 transitions. [2023-08-31 21:31:50,361 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 231 places, 350 transitions, 1958 flow [2023-08-31 21:31:51,486 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 226 places, 350 transitions, 1940 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-31 21:31:51,489 INFO L231 Difference]: Finished difference. Result has 226 places, 206 transitions, 808 flow [2023-08-31 21:31:51,489 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1103, PETRI_DIFFERENCE_MINUEND_FLOW=798, PETRI_DIFFERENCE_MINUEND_PLACES=221, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=206, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=201, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=808, PETRI_PLACES=226, PETRI_TRANSITIONS=206} [2023-08-31 21:31:51,489 INFO L281 CegarLoopForPetriNet]: 214 programPoint places, 12 predicate places. [2023-08-31 21:31:51,489 INFO L495 AbstractCegarLoop]: Abstraction has has 226 places, 206 transitions, 808 flow [2023-08-31 21:31:51,490 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 557.8333333333334) internal successors, (3347), 6 states have internal predecessors, (3347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:31:51,490 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:31:51,490 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] [2023-08-31 21:31:51,490 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-08-31 21:31:51,490 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting thread2Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 101 more)] === [2023-08-31 21:31:51,490 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:31:51,491 INFO L85 PathProgramCache]: Analyzing trace with hash 711971362, now seen corresponding path program 1 times [2023-08-31 21:31:51,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:31:51,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540845192] [2023-08-31 21:31:51,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:31:51,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:31:51,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:31:51,776 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-31 21:31:51,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:31:51,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540845192] [2023-08-31 21:31:51,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1540845192] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:31:51,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:31:51,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-31 21:31:51,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277429146] [2023-08-31 21:31:51,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:31:51,778 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 21:31:51,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:31:51,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 21:31:51,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-31 21:31:52,446 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 554 out of 1103 [2023-08-31 21:31:52,448 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 226 places, 206 transitions, 808 flow. Second operand has 6 states, 6 states have (on average 557.1666666666666) internal successors, (3343), 6 states have internal predecessors, (3343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:31:52,448 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:31:52,448 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 554 of 1103 [2023-08-31 21:31:52,448 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:32:05,008 INFO L130 PetriNetUnfolder]: 60125/124390 cut-off events. [2023-08-31 21:32:05,008 INFO L131 PetriNetUnfolder]: For 147027/147439 co-relation queries the response was YES. [2023-08-31 21:32:06,059 INFO L83 FinitePrefix]: Finished finitePrefix Result has 309726 conditions, 124390 events. 60125/124390 cut-off events. For 147027/147439 co-relation queries the response was YES. Maximal size of possible extension queue 2683. Compared 1399947 event pairs, 33716 based on Foata normal form. 12/120510 useless extension candidates. Maximal degree in co-relation 309693. Up to 58248 conditions per place. [2023-08-31 21:32:06,685 INFO L137 encePairwiseOnDemand]: 1096/1103 looper letters, 269 selfloop transitions, 5 changer transitions 0/370 dead transitions. [2023-08-31 21:32:06,685 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 229 places, 370 transitions, 2133 flow [2023-08-31 21:32:06,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 21:32:06,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 21:32:06,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3519 transitions. [2023-08-31 21:32:06,688 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5317316409791478 [2023-08-31 21:32:06,688 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3519 transitions. [2023-08-31 21:32:06,688 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3519 transitions. [2023-08-31 21:32:06,689 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:32:06,689 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3519 transitions. [2023-08-31 21:32:06,693 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 586.5) internal successors, (3519), 6 states have internal predecessors, (3519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:06,697 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1103.0) internal successors, (7721), 7 states have internal predecessors, (7721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:06,697 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1103.0) internal successors, (7721), 7 states have internal predecessors, (7721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:06,698 INFO L175 Difference]: Start difference. First operand has 226 places, 206 transitions, 808 flow. Second operand 6 states and 3519 transitions. [2023-08-31 21:32:06,698 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 229 places, 370 transitions, 2133 flow [2023-08-31 21:32:07,686 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 224 places, 370 transitions, 2107 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-31 21:32:07,688 INFO L231 Difference]: Finished difference. Result has 224 places, 204 transitions, 804 flow [2023-08-31 21:32:07,689 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1103, PETRI_DIFFERENCE_MINUEND_FLOW=794, PETRI_DIFFERENCE_MINUEND_PLACES=219, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=204, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=199, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=804, PETRI_PLACES=224, PETRI_TRANSITIONS=204} [2023-08-31 21:32:07,689 INFO L281 CegarLoopForPetriNet]: 214 programPoint places, 10 predicate places. [2023-08-31 21:32:07,689 INFO L495 AbstractCegarLoop]: Abstraction has has 224 places, 204 transitions, 804 flow [2023-08-31 21:32:07,689 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 557.1666666666666) internal successors, (3343), 6 states have internal predecessors, (3343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:07,690 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:32:07,690 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] [2023-08-31 21:32:07,690 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-08-31 21:32:07,690 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 101 more)] === [2023-08-31 21:32:07,690 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:32:07,690 INFO L85 PathProgramCache]: Analyzing trace with hash -556696979, now seen corresponding path program 1 times [2023-08-31 21:32:07,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:32:07,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792637600] [2023-08-31 21:32:07,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:32:07,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:32:07,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:32:08,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:32:08,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:32:08,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792637600] [2023-08-31 21:32:08,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1792637600] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:32:08,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:32:08,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-31 21:32:08,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438759718] [2023-08-31 21:32:08,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:32:08,010 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 21:32:08,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:32:08,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 21:32:08,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-31 21:32:08,616 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 561 out of 1103 [2023-08-31 21:32:08,618 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 224 places, 204 transitions, 804 flow. Second operand has 6 states, 6 states have (on average 565.3333333333334) internal successors, (3392), 6 states have internal predecessors, (3392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:08,618 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:32:08,619 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 561 of 1103 [2023-08-31 21:32:08,619 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:32:19,846 INFO L130 PetriNetUnfolder]: 47312/110090 cut-off events. [2023-08-31 21:32:19,846 INFO L131 PetriNetUnfolder]: For 124776/125188 co-relation queries the response was YES. [2023-08-31 21:32:21,010 INFO L83 FinitePrefix]: Finished finitePrefix Result has 264141 conditions, 110090 events. 47312/110090 cut-off events. For 124776/125188 co-relation queries the response was YES. Maximal size of possible extension queue 2502. Compared 1325117 event pairs, 36607 based on Foata normal form. 12/106963 useless extension candidates. Maximal degree in co-relation 264108. Up to 63769 conditions per place. [2023-08-31 21:32:21,087 INFO L137 encePairwiseOnDemand]: 1098/1103 looper letters, 0 selfloop transitions, 0 changer transitions 323/323 dead transitions. [2023-08-31 21:32:21,088 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 228 places, 323 transitions, 1990 flow [2023-08-31 21:32:21,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 21:32:21,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 21:32:21,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3490 transitions. [2023-08-31 21:32:21,091 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5273496524629797 [2023-08-31 21:32:21,092 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3490 transitions. [2023-08-31 21:32:21,092 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3490 transitions. [2023-08-31 21:32:21,092 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:32:21,093 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3490 transitions. [2023-08-31 21:32:21,095 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 581.6666666666666) internal successors, (3490), 6 states have internal predecessors, (3490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:21,116 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1103.0) internal successors, (7721), 7 states have internal predecessors, (7721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:21,117 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1103.0) internal successors, (7721), 7 states have internal predecessors, (7721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:21,123 INFO L175 Difference]: Start difference. First operand has 224 places, 204 transitions, 804 flow. Second operand 6 states and 3490 transitions. [2023-08-31 21:32:21,123 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 228 places, 323 transitions, 1990 flow [2023-08-31 21:32:22,360 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 223 places, 323 transitions, 1980 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-31 21:32:22,362 INFO L231 Difference]: Finished difference. Result has 223 places, 0 transitions, 0 flow [2023-08-31 21:32:22,362 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1103, PETRI_DIFFERENCE_MINUEND_FLOW=792, PETRI_DIFFERENCE_MINUEND_PLACES=218, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=203, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=203, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=223, PETRI_TRANSITIONS=0} [2023-08-31 21:32:22,364 INFO L281 CegarLoopForPetriNet]: 214 programPoint places, 9 predicate places. [2023-08-31 21:32:22,364 INFO L495 AbstractCegarLoop]: Abstraction has has 223 places, 0 transitions, 0 flow [2023-08-31 21:32:22,365 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 565.3333333333334) internal successors, (3392), 6 states have internal predecessors, (3392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:32:22,367 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (104 of 105 remaining) [2023-08-31 21:32:22,368 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (103 of 105 remaining) [2023-08-31 21:32:22,374 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (102 of 105 remaining) [2023-08-31 21:32:22,378 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (101 of 105 remaining) [2023-08-31 21:32:22,378 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (100 of 105 remaining) [2023-08-31 21:32:22,386 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (99 of 105 remaining) [2023-08-31 21:32:22,387 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (98 of 105 remaining) [2023-08-31 21:32:22,387 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (97 of 105 remaining) [2023-08-31 21:32:22,399 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (96 of 105 remaining) [2023-08-31 21:32:22,399 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (95 of 105 remaining) [2023-08-31 21:32:22,399 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (94 of 105 remaining) [2023-08-31 21:32:22,399 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (93 of 105 remaining) [2023-08-31 21:32:22,399 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (92 of 105 remaining) [2023-08-31 21:32:22,400 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (91 of 105 remaining) [2023-08-31 21:32:22,400 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (90 of 105 remaining) [2023-08-31 21:32:22,400 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (89 of 105 remaining) [2023-08-31 21:32:22,400 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (88 of 105 remaining) [2023-08-31 21:32:22,400 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (87 of 105 remaining) [2023-08-31 21:32:22,400 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (86 of 105 remaining) [2023-08-31 21:32:22,401 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (85 of 105 remaining) [2023-08-31 21:32:22,401 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (84 of 105 remaining) [2023-08-31 21:32:22,401 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (83 of 105 remaining) [2023-08-31 21:32:22,401 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (82 of 105 remaining) [2023-08-31 21:32:22,401 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (81 of 105 remaining) [2023-08-31 21:32:22,401 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (80 of 105 remaining) [2023-08-31 21:32:22,402 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (79 of 105 remaining) [2023-08-31 21:32:22,402 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (78 of 105 remaining) [2023-08-31 21:32:22,402 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (77 of 105 remaining) [2023-08-31 21:32:22,402 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (76 of 105 remaining) [2023-08-31 21:32:22,402 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (75 of 105 remaining) [2023-08-31 21:32:22,402 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (74 of 105 remaining) [2023-08-31 21:32:22,403 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (73 of 105 remaining) [2023-08-31 21:32:22,403 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (72 of 105 remaining) [2023-08-31 21:32:22,403 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (71 of 105 remaining) [2023-08-31 21:32:22,403 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (70 of 105 remaining) [2023-08-31 21:32:22,403 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (69 of 105 remaining) [2023-08-31 21:32:22,403 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (68 of 105 remaining) [2023-08-31 21:32:22,404 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (67 of 105 remaining) [2023-08-31 21:32:22,404 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (66 of 105 remaining) [2023-08-31 21:32:22,404 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (65 of 105 remaining) [2023-08-31 21:32:22,404 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (64 of 105 remaining) [2023-08-31 21:32:22,404 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (63 of 105 remaining) [2023-08-31 21:32:22,404 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (62 of 105 remaining) [2023-08-31 21:32:22,404 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (61 of 105 remaining) [2023-08-31 21:32:22,405 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (60 of 105 remaining) [2023-08-31 21:32:22,405 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (59 of 105 remaining) [2023-08-31 21:32:22,405 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (58 of 105 remaining) [2023-08-31 21:32:22,405 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (57 of 105 remaining) [2023-08-31 21:32:22,405 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (56 of 105 remaining) [2023-08-31 21:32:22,405 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (55 of 105 remaining) [2023-08-31 21:32:22,406 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (54 of 105 remaining) [2023-08-31 21:32:22,406 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (53 of 105 remaining) [2023-08-31 21:32:22,406 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (52 of 105 remaining) [2023-08-31 21:32:22,406 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (51 of 105 remaining) [2023-08-31 21:32:22,406 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (50 of 105 remaining) [2023-08-31 21:32:22,406 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (49 of 105 remaining) [2023-08-31 21:32:22,407 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (48 of 105 remaining) [2023-08-31 21:32:22,407 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (47 of 105 remaining) [2023-08-31 21:32:22,407 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (46 of 105 remaining) [2023-08-31 21:32:22,407 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (45 of 105 remaining) [2023-08-31 21:32:22,407 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (44 of 105 remaining) [2023-08-31 21:32:22,407 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (43 of 105 remaining) [2023-08-31 21:32:22,408 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (42 of 105 remaining) [2023-08-31 21:32:22,408 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (41 of 105 remaining) [2023-08-31 21:32:22,408 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (40 of 105 remaining) [2023-08-31 21:32:22,408 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (39 of 105 remaining) [2023-08-31 21:32:22,408 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (38 of 105 remaining) [2023-08-31 21:32:22,408 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (37 of 105 remaining) [2023-08-31 21:32:22,408 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (36 of 105 remaining) [2023-08-31 21:32:22,409 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (35 of 105 remaining) [2023-08-31 21:32:22,409 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (34 of 105 remaining) [2023-08-31 21:32:22,409 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (33 of 105 remaining) [2023-08-31 21:32:22,409 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (32 of 105 remaining) [2023-08-31 21:32:22,409 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (31 of 105 remaining) [2023-08-31 21:32:22,409 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (30 of 105 remaining) [2023-08-31 21:32:22,410 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (29 of 105 remaining) [2023-08-31 21:32:22,410 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (28 of 105 remaining) [2023-08-31 21:32:22,410 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (27 of 105 remaining) [2023-08-31 21:32:22,410 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (26 of 105 remaining) [2023-08-31 21:32:22,410 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (25 of 105 remaining) [2023-08-31 21:32:22,410 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (24 of 105 remaining) [2023-08-31 21:32:22,411 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (23 of 105 remaining) [2023-08-31 21:32:22,411 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (22 of 105 remaining) [2023-08-31 21:32:22,411 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (21 of 105 remaining) [2023-08-31 21:32:22,411 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (20 of 105 remaining) [2023-08-31 21:32:22,411 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (19 of 105 remaining) [2023-08-31 21:32:22,411 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (18 of 105 remaining) [2023-08-31 21:32:22,411 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (17 of 105 remaining) [2023-08-31 21:32:22,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (16 of 105 remaining) [2023-08-31 21:32:22,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (15 of 105 remaining) [2023-08-31 21:32:22,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (14 of 105 remaining) [2023-08-31 21:32:22,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (13 of 105 remaining) [2023-08-31 21:32:22,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (12 of 105 remaining) [2023-08-31 21:32:22,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (11 of 105 remaining) [2023-08-31 21:32:22,413 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (10 of 105 remaining) [2023-08-31 21:32:22,413 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (9 of 105 remaining) [2023-08-31 21:32:22,413 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (8 of 105 remaining) [2023-08-31 21:32:22,413 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (7 of 105 remaining) [2023-08-31 21:32:22,420 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (6 of 105 remaining) [2023-08-31 21:32:22,421 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (5 of 105 remaining) [2023-08-31 21:32:22,421 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (4 of 105 remaining) [2023-08-31 21:32:22,421 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (3 of 105 remaining) [2023-08-31 21:32:22,421 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (2 of 105 remaining) [2023-08-31 21:32:22,421 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (1 of 105 remaining) [2023-08-31 21:32:22,422 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (0 of 105 remaining) [2023-08-31 21:32:22,422 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-08-31 21:32:22,422 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] [2023-08-31 21:32:22,429 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-31 21:32:22,432 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-31 21:32:22,435 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.08 09:32:22 BasicIcfg [2023-08-31 21:32:22,437 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-31 21:32:22,438 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-31 21:32:22,438 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-31 21:32:22,438 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-31 21:32:22,438 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 09:27:40" (3/4) ... [2023-08-31 21:32:22,441 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-31 21:32:22,446 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-08-31 21:32:22,446 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-08-31 21:32:22,446 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-08-31 21:32:22,470 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 31 nodes and edges [2023-08-31 21:32:22,470 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-08-31 21:32:22,471 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-31 21:32:22,471 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-31 21:32:22,557 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-31 21:32:22,557 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-31 21:32:22,558 INFO L158 Benchmark]: Toolchain (without parser) took 283335.43ms. Allocated memory was 60.8MB in the beginning and 16.1GB in the end (delta: 16.0GB). Free memory was 38.8MB in the beginning and 14.1GB in the end (delta: -14.0GB). Peak memory consumption was 2.0GB. Max. memory is 16.1GB. [2023-08-31 21:32:22,558 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 50.3MB. Free memory was 28.4MB in the beginning and 28.3MB in the end (delta: 33.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-31 21:32:22,558 INFO L158 Benchmark]: CACSL2BoogieTranslator took 383.00ms. Allocated memory is still 60.8MB. Free memory was 38.7MB in the beginning and 40.3MB in the end (delta: -1.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-08-31 21:32:22,559 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.16ms. Allocated memory is still 60.8MB. Free memory was 40.3MB in the beginning and 35.7MB in the end (delta: 4.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-31 21:32:22,559 INFO L158 Benchmark]: Boogie Preprocessor took 97.19ms. Allocated memory is still 60.8MB. Free memory was 35.7MB in the beginning and 31.8MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-31 21:32:22,559 INFO L158 Benchmark]: RCFGBuilder took 975.82ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 31.8MB in the beginning and 48.9MB in the end (delta: -17.2MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. [2023-08-31 21:32:22,560 INFO L158 Benchmark]: TraceAbstraction took 281670.53ms. Allocated memory was 73.4MB in the beginning and 16.1GB in the end (delta: 16.0GB). Free memory was 48.2MB in the beginning and 14.1GB in the end (delta: -14.0GB). Peak memory consumption was 8.1GB. Max. memory is 16.1GB. [2023-08-31 21:32:22,560 INFO L158 Benchmark]: Witness Printer took 119.56ms. Allocated memory is still 16.1GB. Free memory was 14.1GB in the beginning and 14.1GB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-08-31 21:32:22,575 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 50.3MB. Free memory was 28.4MB in the beginning and 28.3MB in the end (delta: 33.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 383.00ms. Allocated memory is still 60.8MB. Free memory was 38.7MB in the beginning and 40.3MB in the end (delta: -1.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.16ms. Allocated memory is still 60.8MB. Free memory was 40.3MB in the beginning and 35.7MB in the end (delta: 4.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 97.19ms. Allocated memory is still 60.8MB. Free memory was 35.7MB in the beginning and 31.8MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 975.82ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 31.8MB in the beginning and 48.9MB in the end (delta: -17.2MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. * TraceAbstraction took 281670.53ms. Allocated memory was 73.4MB in the beginning and 16.1GB in the end (delta: 16.0GB). Free memory was 48.2MB in the beginning and 14.1GB in the end (delta: -14.0GB). Peak memory consumption was 8.1GB. Max. memory is 16.1GB. * Witness Printer took 119.56ms. Allocated memory is still 16.1GB. Free memory was 14.1GB in the beginning and 14.1GB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 11.3s, 563 PlacesBefore, 214 PlacesAfterwards, 584 TransitionsBefore, 220 TransitionsAfterwards, 85536 CoEnabledTransitionPairs, 9 FixpointIterations, 225 TrivialSequentialCompositions, 187 ConcurrentSequentialCompositions, 32 TrivialYvCompositions, 36 ConcurrentYvCompositions, 15 ChoiceCompositions, 495 TotalNumberOfCompositions, 534753 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 135485, independent: 132177, independent conditional: 0, independent unconditional: 132177, dependent: 3308, dependent conditional: 0, dependent unconditional: 3308, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 42028, independent: 41675, independent conditional: 0, independent unconditional: 41675, dependent: 353, dependent conditional: 0, dependent unconditional: 353, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 135485, independent: 90502, independent conditional: 0, independent unconditional: 90502, dependent: 2955, dependent conditional: 0, dependent unconditional: 2955, unknown: 42028, unknown conditional: 0, unknown unconditional: 42028] , Statistics on independence cache: Total cache size (in pairs): 5954, Positive cache size: 5736, Positive conditional cache size: 0, Positive unconditional cache size: 5736, Negative cache size: 218, Negative conditional cache size: 0, Negative unconditional cache size: 218, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 77]: 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: 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: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 119]: 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: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 119]: 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: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 119]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: 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: 107]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 107]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 107]: 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, 888 locations, 105 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: 281.4s, OverallIterations: 25, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 265.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 11.6s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8415 SdHoareTripleChecker+Valid, 11.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5591 mSDsluCounter, 2567 SdHoareTripleChecker+Invalid, 9.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2114 mSDsCounter, 2436 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 15109 IncrementalHoareTripleChecker+Invalid, 17545 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2436 mSolverCounterUnsat, 453 mSDtfsCounter, 15109 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 117 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=815occurred in iteration=18, InterpolantAutomatonStates: 125, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 528 NumberOfCodeBlocks, 528 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 503 ConstructedInterpolants, 0 QuantifiedInterpolants, 1777 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 25 InterpolantComputations, 25 PerfectInterpolantSequences, 17/17 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 60 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-31 21:32:22,645 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE