./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/weaver/unroll-3.wvr.c --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --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/unroll-3.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 199b95a7803e428766b942c5c5c486b02a8ea32baf687cdef6ce754bef283884 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-29 03:47:28,507 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 03:47:28,510 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 03:47:28,550 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 03:47:28,551 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 03:47:28,554 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 03:47:28,555 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 03:47:28,558 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 03:47:28,559 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 03:47:28,563 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 03:47:28,564 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 03:47:28,566 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 03:47:28,566 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 03:47:28,568 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 03:47:28,569 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 03:47:28,574 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 03:47:28,575 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 03:47:28,576 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 03:47:28,578 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 03:47:28,587 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 03:47:28,594 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 03:47:28,595 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 03:47:28,596 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 03:47:28,596 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 03:47:28,602 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 03:47:28,603 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 03:47:28,603 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 03:47:28,605 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 03:47:28,605 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 03:47:28,606 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 03:47:28,606 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 03:47:28,608 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 03:47:28,610 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 03:47:28,610 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 03:47:28,611 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 03:47:28,611 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 03:47:28,612 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 03:47:28,612 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 03:47:28,612 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 03:47:28,613 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 03:47:28,614 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 03:47:28,615 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 03:47:28,649 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 03:47:28,649 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 03:47:28,650 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 03:47:28,651 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 03:47:28,651 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 03:47:28,652 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 03:47:28,652 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 03:47:28,652 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 03:47:28,652 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 03:47:28,653 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 03:47:28,653 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 03:47:28,654 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 03:47:28,654 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 03:47:28,654 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 03:47:28,654 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 03:47:28,654 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 03:47:28,655 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 03:47:28,655 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 03:47:28,655 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 03:47:28,655 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 03:47:28,655 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 03:47:28,656 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 03:47:28,656 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 03:47:28,656 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 03:47:28,656 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 03:47:28,656 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 03:47:28,656 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 03:47:28,657 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 03:47:28,657 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 03:47:28,657 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 03:47:28,657 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 03:47:28,657 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 03:47:28,658 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 03:47:28,658 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 03:47:28,658 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 03:47:28,658 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 03:47:28,658 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 03:47:28,659 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 199b95a7803e428766b942c5c5c486b02a8ea32baf687cdef6ce754bef283884 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> AFTER [2023-08-29 03:47:28,967 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 03:47:28,988 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 03:47:28,990 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 03:47:28,990 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 03:47:28,990 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 03:47:28,991 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/unroll-3.wvr.c [2023-08-29 03:47:30,162 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 03:47:30,429 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 03:47:30,430 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/unroll-3.wvr.c [2023-08-29 03:47:30,437 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/697807b2f/6a2aabc25fc44a06bbec5bc9dbfe260c/FLAG88c329591 [2023-08-29 03:47:30,456 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/697807b2f/6a2aabc25fc44a06bbec5bc9dbfe260c [2023-08-29 03:47:30,458 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 03:47:30,459 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 03:47:30,461 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 03:47:30,461 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 03:47:30,464 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 03:47:30,465 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 03:47:30" (1/1) ... [2023-08-29 03:47:30,466 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c2e2f43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:47:30, skipping insertion in model container [2023-08-29 03:47:30,466 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 03:47:30" (1/1) ... [2023-08-29 03:47:30,471 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 03:47:30,489 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 03:47:30,647 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/unroll-3.wvr.c[2500,2513] [2023-08-29 03:47:30,652 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 03:47:30,660 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 03:47:30,683 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/unroll-3.wvr.c[2500,2513] [2023-08-29 03:47:30,686 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 03:47:30,698 INFO L208 MainTranslator]: Completed translation [2023-08-29 03:47:30,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:47:30 WrapperNode [2023-08-29 03:47:30,699 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 03:47:30,700 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 03:47:30,700 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 03:47:30,700 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 03:47:30,705 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:47:30" (1/1) ... [2023-08-29 03:47:30,714 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:47:30" (1/1) ... [2023-08-29 03:47:30,743 INFO L138 Inliner]: procedures = 24, calls = 34, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 282 [2023-08-29 03:47:30,744 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 03:47:30,744 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 03:47:30,745 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 03:47:30,745 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 03:47:30,752 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:47:30" (1/1) ... [2023-08-29 03:47:30,752 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:47:30" (1/1) ... [2023-08-29 03:47:30,757 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:47:30" (1/1) ... [2023-08-29 03:47:30,757 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:47:30" (1/1) ... [2023-08-29 03:47:30,794 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:47:30" (1/1) ... [2023-08-29 03:47:30,811 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:47:30" (1/1) ... [2023-08-29 03:47:30,813 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:47:30" (1/1) ... [2023-08-29 03:47:30,814 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:47:30" (1/1) ... [2023-08-29 03:47:30,817 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 03:47:30,818 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 03:47:30,818 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 03:47:30,818 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 03:47:30,819 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:47:30" (1/1) ... [2023-08-29 03:47:30,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 03:47:30,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 03:47:30,869 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-29 03:47:30,895 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-29 03:47:30,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 03:47:30,912 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-29 03:47:30,912 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-29 03:47:30,912 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-29 03:47:30,912 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-29 03:47:30,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 03:47:30,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 03:47:30,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 03:47:30,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-29 03:47:30,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 03:47:30,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 03:47:30,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 03:47:30,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 03:47:30,915 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-29 03:47:31,017 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 03:47:31,018 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 03:47:31,513 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 03:47:31,523 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 03:47:31,523 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-08-29 03:47:31,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:47:31 BoogieIcfgContainer [2023-08-29 03:47:31,525 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 03:47:31,527 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 03:47:31,527 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 03:47:31,530 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 03:47:31,530 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 03:47:30" (1/3) ... [2023-08-29 03:47:31,531 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64e6a660 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 03:47:31, skipping insertion in model container [2023-08-29 03:47:31,531 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:47:30" (2/3) ... [2023-08-29 03:47:31,531 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64e6a660 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 03:47:31, skipping insertion in model container [2023-08-29 03:47:31,532 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:47:31" (3/3) ... [2023-08-29 03:47:31,533 INFO L112 eAbstractionObserver]: Analyzing ICFG unroll-3.wvr.c [2023-08-29 03:47:31,539 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 03:47:31,547 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 03:47:31,548 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 41 error locations. [2023-08-29 03:47:31,548 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 03:47:31,649 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-29 03:47:31,697 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 332 places, 344 transitions, 704 flow [2023-08-29 03:47:31,823 INFO L130 PetriNetUnfolder]: 19/342 cut-off events. [2023-08-29 03:47:31,823 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-29 03:47:31,831 INFO L83 FinitePrefix]: Finished finitePrefix Result has 351 conditions, 342 events. 19/342 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 522 event pairs, 0 based on Foata normal form. 0/282 useless extension candidates. Maximal degree in co-relation 209. Up to 2 conditions per place. [2023-08-29 03:47:31,831 INFO L82 GeneralOperation]: Start removeDead. Operand has 332 places, 344 transitions, 704 flow [2023-08-29 03:47:31,845 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 316 places, 327 transitions, 666 flow [2023-08-29 03:47:31,849 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 03:47:31,859 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 316 places, 327 transitions, 666 flow [2023-08-29 03:47:31,861 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 316 places, 327 transitions, 666 flow [2023-08-29 03:47:31,861 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 316 places, 327 transitions, 666 flow [2023-08-29 03:47:31,925 INFO L130 PetriNetUnfolder]: 18/327 cut-off events. [2023-08-29 03:47:31,926 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-29 03:47:31,930 INFO L83 FinitePrefix]: Finished finitePrefix Result has 336 conditions, 327 events. 18/327 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 473 event pairs, 0 based on Foata normal form. 0/269 useless extension candidates. Maximal degree in co-relation 209. Up to 2 conditions per place. [2023-08-29 03:47:31,939 INFO L119 LiptonReduction]: Number of co-enabled transitions 20880 [2023-08-29 03:47:38,188 INFO L134 LiptonReduction]: Checked pairs total: 96732 [2023-08-29 03:47:38,190 INFO L136 LiptonReduction]: Total number of compositions: 342 [2023-08-29 03:47:38,206 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 03:47:38,213 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;@168c2462, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 03:47:38,214 INFO L358 AbstractCegarLoop]: Starting to check reachability of 73 error locations. [2023-08-29 03:47:38,216 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-29 03:47:38,216 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 03:47:38,217 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:47:38,218 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-29 03:47:38,218 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-08-29 03:47:38,224 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:47:38,224 INFO L85 PathProgramCache]: Analyzing trace with hash 1324, now seen corresponding path program 1 times [2023-08-29 03:47:38,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:47:38,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676887659] [2023-08-29 03:47:38,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:47:38,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:47:38,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:47:38,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 03:47:38,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:47:38,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676887659] [2023-08-29 03:47:38,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [676887659] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:47:38,320 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:47:38,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-29 03:47:38,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669417293] [2023-08-29 03:47:38,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:47:38,328 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-29 03:47:38,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:47:38,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-29 03:47:38,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-29 03:47:38,357 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 327 out of 686 [2023-08-29 03:47:38,363 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 110 transitions, 232 flow. Second operand has 2 states, 2 states have (on average 327.5) internal successors, (655), 2 states have internal predecessors, (655), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:47:38,363 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:47:38,363 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 327 of 686 [2023-08-29 03:47:38,364 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:47:38,661 INFO L130 PetriNetUnfolder]: 801/1871 cut-off events. [2023-08-29 03:47:38,662 INFO L131 PetriNetUnfolder]: For 71/71 co-relation queries the response was YES. [2023-08-29 03:47:38,664 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3154 conditions, 1871 events. 801/1871 cut-off events. For 71/71 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 11887 event pairs, 554 based on Foata normal form. 221/1805 useless extension candidates. Maximal degree in co-relation 2857. Up to 1238 conditions per place. [2023-08-29 03:47:38,673 INFO L137 encePairwiseOnDemand]: 657/686 looper letters, 39 selfloop transitions, 0 changer transitions 1/81 dead transitions. [2023-08-29 03:47:38,673 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 81 transitions, 254 flow [2023-08-29 03:47:38,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-29 03:47:38,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-29 03:47:38,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 723 transitions. [2023-08-29 03:47:38,691 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5269679300291545 [2023-08-29 03:47:38,691 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 723 transitions. [2023-08-29 03:47:38,692 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 723 transitions. [2023-08-29 03:47:38,696 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:47:38,698 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 723 transitions. [2023-08-29 03:47:38,703 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 361.5) internal successors, (723), 2 states have internal predecessors, (723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:47:38,709 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 686.0) internal successors, (2058), 3 states have internal predecessors, (2058), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:47:38,710 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 686.0) internal successors, (2058), 3 states have internal predecessors, (2058), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:47:38,711 INFO L175 Difference]: Start difference. First operand has 108 places, 110 transitions, 232 flow. Second operand 2 states and 723 transitions. [2023-08-29 03:47:38,712 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 81 transitions, 254 flow [2023-08-29 03:47:38,715 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 81 transitions, 246 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-29 03:47:38,718 INFO L231 Difference]: Finished difference. Result has 80 places, 80 transitions, 163 flow [2023-08-29 03:47:38,719 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=686, PETRI_DIFFERENCE_MINUEND_FLOW=166, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=163, PETRI_PLACES=80, PETRI_TRANSITIONS=80} [2023-08-29 03:47:38,724 INFO L281 CegarLoopForPetriNet]: 108 programPoint places, -28 predicate places. [2023-08-29 03:47:38,724 INFO L495 AbstractCegarLoop]: Abstraction has has 80 places, 80 transitions, 163 flow [2023-08-29 03:47:38,725 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 327.5) internal successors, (655), 2 states have internal predecessors, (655), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:47:38,725 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:47:38,726 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-29 03:47:38,727 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 03:47:38,728 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-08-29 03:47:38,730 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:47:38,731 INFO L85 PathProgramCache]: Analyzing trace with hash 758118040, now seen corresponding path program 1 times [2023-08-29 03:47:38,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:47:38,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131227032] [2023-08-29 03:47:38,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:47:38,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:47:38,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:47:38,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 03:47:38,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:47:38,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131227032] [2023-08-29 03:47:38,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2131227032] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:47:38,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:47:38,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 03:47:38,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427695369] [2023-08-29 03:47:38,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:47:38,893 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 03:47:38,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:47:38,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 03:47:38,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 03:47:38,911 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 317 out of 686 [2023-08-29 03:47:38,912 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 80 transitions, 163 flow. Second operand has 3 states, 3 states have (on average 318.6666666666667) internal successors, (956), 3 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:47:38,912 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:47:38,913 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 317 of 686 [2023-08-29 03:47:38,913 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:47:39,140 INFO L130 PetriNetUnfolder]: 787/1837 cut-off events. [2023-08-29 03:47:39,140 INFO L131 PetriNetUnfolder]: For 22/67 co-relation queries the response was YES. [2023-08-29 03:47:39,142 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3141 conditions, 1837 events. 787/1837 cut-off events. For 22/67 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 11029 event pairs, 650 based on Foata normal form. 0/1676 useless extension candidates. Maximal degree in co-relation 3138. Up to 1288 conditions per place. [2023-08-29 03:47:39,149 INFO L137 encePairwiseOnDemand]: 683/686 looper letters, 40 selfloop transitions, 1 changer transitions 0/78 dead transitions. [2023-08-29 03:47:39,149 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 78 transitions, 241 flow [2023-08-29 03:47:39,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 03:47:39,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 03:47:39,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 994 transitions. [2023-08-29 03:47:39,153 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48299319727891155 [2023-08-29 03:47:39,153 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 994 transitions. [2023-08-29 03:47:39,153 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 994 transitions. [2023-08-29 03:47:39,154 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:47:39,154 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 994 transitions. [2023-08-29 03:47:39,156 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 331.3333333333333) internal successors, (994), 3 states have internal predecessors, (994), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:47:39,160 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 686.0) internal successors, (2744), 4 states have internal predecessors, (2744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:47:39,161 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 686.0) internal successors, (2744), 4 states have internal predecessors, (2744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:47:39,161 INFO L175 Difference]: Start difference. First operand has 80 places, 80 transitions, 163 flow. Second operand 3 states and 994 transitions. [2023-08-29 03:47:39,162 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 78 transitions, 241 flow [2023-08-29 03:47:39,162 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 78 transitions, 241 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 03:47:39,164 INFO L231 Difference]: Finished difference. Result has 79 places, 78 transitions, 161 flow [2023-08-29 03:47:39,164 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=686, PETRI_DIFFERENCE_MINUEND_FLOW=159, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=161, PETRI_PLACES=79, PETRI_TRANSITIONS=78} [2023-08-29 03:47:39,165 INFO L281 CegarLoopForPetriNet]: 108 programPoint places, -29 predicate places. [2023-08-29 03:47:39,166 INFO L495 AbstractCegarLoop]: Abstraction has has 79 places, 78 transitions, 161 flow [2023-08-29 03:47:39,166 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 318.6666666666667) internal successors, (956), 3 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:47:39,166 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:47:39,167 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:47:39,167 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-29 03:47:39,167 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-08-29 03:47:39,169 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:47:39,169 INFO L85 PathProgramCache]: Analyzing trace with hash -1592538712, now seen corresponding path program 1 times [2023-08-29 03:47:39,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:47:39,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535099696] [2023-08-29 03:47:39,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:47:39,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:47:39,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:47:39,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 03:47:39,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:47:39,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535099696] [2023-08-29 03:47:39,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1535099696] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:47:39,260 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:47:39,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 03:47:39,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553441554] [2023-08-29 03:47:39,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:47:39,261 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 03:47:39,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:47:39,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 03:47:39,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 03:47:39,284 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 308 out of 686 [2023-08-29 03:47:39,286 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 78 transitions, 161 flow. Second operand has 3 states, 3 states have (on average 310.0) internal successors, (930), 3 states have internal predecessors, (930), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:47:39,286 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:47:39,286 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 308 of 686 [2023-08-29 03:47:39,286 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:47:39,476 INFO L130 PetriNetUnfolder]: 801/1771 cut-off events. [2023-08-29 03:47:39,476 INFO L131 PetriNetUnfolder]: For 21/21 co-relation queries the response was YES. [2023-08-29 03:47:39,478 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3022 conditions, 1771 events. 801/1771 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 10736 event pairs, 554 based on Foata normal form. 0/1485 useless extension candidates. Maximal degree in co-relation 3018. Up to 1236 conditions per place. [2023-08-29 03:47:39,484 INFO L137 encePairwiseOnDemand]: 681/686 looper letters, 38 selfloop transitions, 1 changer transitions 0/74 dead transitions. [2023-08-29 03:47:39,484 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 74 transitions, 231 flow [2023-08-29 03:47:39,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 03:47:39,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 03:47:39,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 967 transitions. [2023-08-29 03:47:39,487 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46987366375121475 [2023-08-29 03:47:39,487 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 967 transitions. [2023-08-29 03:47:39,487 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 967 transitions. [2023-08-29 03:47:39,488 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:47:39,488 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 967 transitions. [2023-08-29 03:47:39,490 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 322.3333333333333) internal successors, (967), 3 states have internal predecessors, (967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:47:39,493 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 686.0) internal successors, (2744), 4 states have internal predecessors, (2744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:47:39,494 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 686.0) internal successors, (2744), 4 states have internal predecessors, (2744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:47:39,495 INFO L175 Difference]: Start difference. First operand has 79 places, 78 transitions, 161 flow. Second operand 3 states and 967 transitions. [2023-08-29 03:47:39,495 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 74 transitions, 231 flow [2023-08-29 03:47:39,495 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 74 transitions, 230 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 03:47:39,496 INFO L231 Difference]: Finished difference. Result has 76 places, 74 transitions, 154 flow [2023-08-29 03:47:39,497 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=686, PETRI_DIFFERENCE_MINUEND_FLOW=152, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=154, PETRI_PLACES=76, PETRI_TRANSITIONS=74} [2023-08-29 03:47:39,497 INFO L281 CegarLoopForPetriNet]: 108 programPoint places, -32 predicate places. [2023-08-29 03:47:39,498 INFO L495 AbstractCegarLoop]: Abstraction has has 76 places, 74 transitions, 154 flow [2023-08-29 03:47:39,498 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 310.0) internal successors, (930), 3 states have internal predecessors, (930), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:47:39,498 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:47:39,499 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:47:39,499 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-29 03:47:39,499 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-08-29 03:47:39,499 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:47:39,499 INFO L85 PathProgramCache]: Analyzing trace with hash -1592510432, now seen corresponding path program 1 times [2023-08-29 03:47:39,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:47:39,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917560848] [2023-08-29 03:47:39,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:47:39,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:47:39,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:47:39,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 03:47:39,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:47:39,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917560848] [2023-08-29 03:47:39,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917560848] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:47:39,549 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:47:39,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 03:47:39,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551738301] [2023-08-29 03:47:39,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:47:39,550 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 03:47:39,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:47:39,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 03:47:39,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 03:47:39,573 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 325 out of 686 [2023-08-29 03:47:39,575 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 74 transitions, 154 flow. Second operand has 3 states, 3 states have (on average 326.6666666666667) internal successors, (980), 3 states have internal predecessors, (980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:47:39,575 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:47:39,575 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 325 of 686 [2023-08-29 03:47:39,578 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:47:39,893 INFO L130 PetriNetUnfolder]: 1266/2959 cut-off events. [2023-08-29 03:47:39,893 INFO L131 PetriNetUnfolder]: For 21/21 co-relation queries the response was YES. [2023-08-29 03:47:39,898 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5035 conditions, 2959 events. 1266/2959 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 19862 event pairs, 495 based on Foata normal form. 0/2628 useless extension candidates. Maximal degree in co-relation 5031. Up to 1099 conditions per place. [2023-08-29 03:47:39,908 INFO L137 encePairwiseOnDemand]: 683/686 looper letters, 71 selfloop transitions, 2 changer transitions 0/108 dead transitions. [2023-08-29 03:47:39,908 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 108 transitions, 370 flow [2023-08-29 03:47:39,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 03:47:39,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 03:47:39,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1049 transitions. [2023-08-29 03:47:39,912 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5097181729834791 [2023-08-29 03:47:39,912 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1049 transitions. [2023-08-29 03:47:39,912 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1049 transitions. [2023-08-29 03:47:39,913 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:47:39,913 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1049 transitions. [2023-08-29 03:47:39,916 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 349.6666666666667) internal successors, (1049), 3 states have internal predecessors, (1049), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:47:39,921 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 686.0) internal successors, (2744), 4 states have internal predecessors, (2744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:47:39,922 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 686.0) internal successors, (2744), 4 states have internal predecessors, (2744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:47:39,922 INFO L175 Difference]: Start difference. First operand has 76 places, 74 transitions, 154 flow. Second operand 3 states and 1049 transitions. [2023-08-29 03:47:39,922 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 108 transitions, 370 flow [2023-08-29 03:47:39,923 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 108 transitions, 369 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 03:47:39,924 INFO L231 Difference]: Finished difference. Result has 78 places, 75 transitions, 165 flow [2023-08-29 03:47:39,925 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=686, PETRI_DIFFERENCE_MINUEND_FLOW=153, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=165, PETRI_PLACES=78, PETRI_TRANSITIONS=75} [2023-08-29 03:47:39,925 INFO L281 CegarLoopForPetriNet]: 108 programPoint places, -30 predicate places. [2023-08-29 03:47:39,926 INFO L495 AbstractCegarLoop]: Abstraction has has 78 places, 75 transitions, 165 flow [2023-08-29 03:47:39,926 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 326.6666666666667) internal successors, (980), 3 states have internal predecessors, (980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:47:39,926 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:47:39,927 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:47:39,927 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-29 03:47:39,927 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-08-29 03:47:39,927 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:47:39,927 INFO L85 PathProgramCache]: Analyzing trace with hash -508397953, now seen corresponding path program 1 times [2023-08-29 03:47:39,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:47:39,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041231962] [2023-08-29 03:47:39,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:47:39,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:47:39,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:47:39,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 03:47:39,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:47:39,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041231962] [2023-08-29 03:47:39,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2041231962] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:47:39,996 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:47:39,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 03:47:39,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162094861] [2023-08-29 03:47:39,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:47:39,997 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 03:47:39,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:47:39,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 03:47:39,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 03:47:40,044 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 323 out of 686 [2023-08-29 03:47:40,045 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 75 transitions, 165 flow. Second operand has 3 states, 3 states have (on average 325.3333333333333) internal successors, (976), 3 states have internal predecessors, (976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:47:40,046 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:47:40,046 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 323 of 686 [2023-08-29 03:47:40,046 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:47:40,443 INFO L130 PetriNetUnfolder]: 1584/3660 cut-off events. [2023-08-29 03:47:40,443 INFO L131 PetriNetUnfolder]: For 224/224 co-relation queries the response was YES. [2023-08-29 03:47:40,449 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6543 conditions, 3660 events. 1584/3660 cut-off events. For 224/224 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 24501 event pairs, 395 based on Foata normal form. 0/3392 useless extension candidates. Maximal degree in co-relation 6538. Up to 1873 conditions per place. [2023-08-29 03:47:40,463 INFO L137 encePairwiseOnDemand]: 683/686 looper letters, 59 selfloop transitions, 2 changer transitions 0/96 dead transitions. [2023-08-29 03:47:40,464 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 96 transitions, 337 flow [2023-08-29 03:47:40,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 03:47:40,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 03:47:40,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1029 transitions. [2023-08-29 03:47:40,467 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5 [2023-08-29 03:47:40,467 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1029 transitions. [2023-08-29 03:47:40,467 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1029 transitions. [2023-08-29 03:47:40,468 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:47:40,468 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1029 transitions. [2023-08-29 03:47:40,470 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 343.0) internal successors, (1029), 3 states have internal predecessors, (1029), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:47:40,497 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 686.0) internal successors, (2744), 4 states have internal predecessors, (2744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:47:40,499 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 686.0) internal successors, (2744), 4 states have internal predecessors, (2744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:47:40,499 INFO L175 Difference]: Start difference. First operand has 78 places, 75 transitions, 165 flow. Second operand 3 states and 1029 transitions. [2023-08-29 03:47:40,499 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 96 transitions, 337 flow [2023-08-29 03:47:40,501 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 96 transitions, 334 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 03:47:40,502 INFO L231 Difference]: Finished difference. Result has 80 places, 76 transitions, 175 flow [2023-08-29 03:47:40,502 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=686, PETRI_DIFFERENCE_MINUEND_FLOW=163, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=175, PETRI_PLACES=80, PETRI_TRANSITIONS=76} [2023-08-29 03:47:40,505 INFO L281 CegarLoopForPetriNet]: 108 programPoint places, -28 predicate places. [2023-08-29 03:47:40,505 INFO L495 AbstractCegarLoop]: Abstraction has has 80 places, 76 transitions, 175 flow [2023-08-29 03:47:40,506 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 325.3333333333333) internal successors, (976), 3 states have internal predecessors, (976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:47:40,506 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:47:40,506 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:47:40,506 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-29 03:47:40,506 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-08-29 03:47:40,507 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:47:40,507 INFO L85 PathProgramCache]: Analyzing trace with hash -205799356, now seen corresponding path program 1 times [2023-08-29 03:47:40,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:47:40,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618931277] [2023-08-29 03:47:40,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:47:40,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:47:40,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:47:40,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 03:47:40,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:47:40,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618931277] [2023-08-29 03:47:40,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618931277] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:47:40,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:47:40,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 03:47:40,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420336926] [2023-08-29 03:47:40,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:47:40,583 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 03:47:40,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:47:40,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 03:47:40,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 03:47:40,607 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 323 out of 686 [2023-08-29 03:47:40,609 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 76 transitions, 175 flow. Second operand has 3 states, 3 states have (on average 325.0) internal successors, (975), 3 states have internal predecessors, (975), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:47:40,609 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:47:40,609 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 323 of 686 [2023-08-29 03:47:40,609 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:47:41,015 INFO L130 PetriNetUnfolder]: 1584/3671 cut-off events. [2023-08-29 03:47:41,015 INFO L131 PetriNetUnfolder]: For 332/332 co-relation queries the response was YES. [2023-08-29 03:47:41,021 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6643 conditions, 3671 events. 1584/3671 cut-off events. For 332/332 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 24775 event pairs, 1395 based on Foata normal form. 0/3437 useless extension candidates. Maximal degree in co-relation 6637. Up to 2627 conditions per place. [2023-08-29 03:47:41,041 INFO L137 encePairwiseOnDemand]: 683/686 looper letters, 40 selfloop transitions, 2 changer transitions 0/77 dead transitions. [2023-08-29 03:47:41,042 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 77 transitions, 261 flow [2023-08-29 03:47:41,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 03:47:41,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 03:47:41,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1010 transitions. [2023-08-29 03:47:41,045 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49076773566569487 [2023-08-29 03:47:41,045 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1010 transitions. [2023-08-29 03:47:41,045 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1010 transitions. [2023-08-29 03:47:41,046 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:47:41,046 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1010 transitions. [2023-08-29 03:47:41,048 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 336.6666666666667) internal successors, (1010), 3 states have internal predecessors, (1010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:47:41,052 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 686.0) internal successors, (2744), 4 states have internal predecessors, (2744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:47:41,053 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 686.0) internal successors, (2744), 4 states have internal predecessors, (2744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:47:41,053 INFO L175 Difference]: Start difference. First operand has 80 places, 76 transitions, 175 flow. Second operand 3 states and 1010 transitions. [2023-08-29 03:47:41,053 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 77 transitions, 261 flow [2023-08-29 03:47:41,055 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 77 transitions, 259 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 03:47:41,057 INFO L231 Difference]: Finished difference. Result has 82 places, 77 transitions, 185 flow [2023-08-29 03:47:41,057 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=686, PETRI_DIFFERENCE_MINUEND_FLOW=173, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=74, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=185, PETRI_PLACES=82, PETRI_TRANSITIONS=77} [2023-08-29 03:47:41,059 INFO L281 CegarLoopForPetriNet]: 108 programPoint places, -26 predicate places. [2023-08-29 03:47:41,060 INFO L495 AbstractCegarLoop]: Abstraction has has 82 places, 77 transitions, 185 flow [2023-08-29 03:47:41,061 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 325.0) internal successors, (975), 3 states have internal predecessors, (975), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:47:41,061 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:47:41,061 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:47:41,061 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-29 03:47:41,061 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-08-29 03:47:41,062 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:47:41,062 INFO L85 PathProgramCache]: Analyzing trace with hash -1055198662, now seen corresponding path program 1 times [2023-08-29 03:47:41,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:47:41,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349679621] [2023-08-29 03:47:41,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:47:41,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:47:41,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:47:41,302 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-29 03:47:41,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:47:41,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349679621] [2023-08-29 03:47:41,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349679621] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:47:41,303 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:47:41,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 03:47:41,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754021100] [2023-08-29 03:47:41,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:47:41,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 03:47:41,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:47:41,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 03:47:41,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 03:47:41,571 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 686 [2023-08-29 03:47:41,573 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 77 transitions, 185 flow. Second operand has 6 states, 6 states have (on average 315.8333333333333) internal successors, (1895), 6 states have internal predecessors, (1895), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:47:41,573 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:47:41,574 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 686 [2023-08-29 03:47:41,574 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:47:42,558 INFO L130 PetriNetUnfolder]: 5344/9072 cut-off events. [2023-08-29 03:47:42,559 INFO L131 PetriNetUnfolder]: For 810/810 co-relation queries the response was YES. [2023-08-29 03:47:42,573 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18094 conditions, 9072 events. 5344/9072 cut-off events. For 810/810 co-relation queries the response was YES. Maximal size of possible extension queue 176. Compared 60396 event pairs, 435 based on Foata normal form. 0/8422 useless extension candidates. Maximal degree in co-relation 18087. Up to 3004 conditions per place. [2023-08-29 03:47:42,605 INFO L137 encePairwiseOnDemand]: 681/686 looper letters, 170 selfloop transitions, 4 changer transitions 0/204 dead transitions. [2023-08-29 03:47:42,606 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 204 transitions, 835 flow [2023-08-29 03:47:42,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 03:47:42,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 03:47:42,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2048 transitions. [2023-08-29 03:47:42,611 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4975704567541302 [2023-08-29 03:47:42,611 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2048 transitions. [2023-08-29 03:47:42,612 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2048 transitions. [2023-08-29 03:47:42,613 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:47:42,613 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2048 transitions. [2023-08-29 03:47:42,617 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 341.3333333333333) internal successors, (2048), 6 states have internal predecessors, (2048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:47:42,623 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 686.0) internal successors, (4802), 7 states have internal predecessors, (4802), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:47:42,624 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 686.0) internal successors, (4802), 7 states have internal predecessors, (4802), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:47:42,624 INFO L175 Difference]: Start difference. First operand has 82 places, 77 transitions, 185 flow. Second operand 6 states and 2048 transitions. [2023-08-29 03:47:42,624 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 204 transitions, 835 flow [2023-08-29 03:47:42,627 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 204 transitions, 831 flow, removed 1 selfloop flow, removed 1 redundant places. [2023-08-29 03:47:42,628 INFO L231 Difference]: Finished difference. Result has 85 places, 76 transitions, 187 flow [2023-08-29 03:47:42,629 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=686, PETRI_DIFFERENCE_MINUEND_FLOW=179, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=187, PETRI_PLACES=85, PETRI_TRANSITIONS=76} [2023-08-29 03:47:42,629 INFO L281 CegarLoopForPetriNet]: 108 programPoint places, -23 predicate places. [2023-08-29 03:47:42,629 INFO L495 AbstractCegarLoop]: Abstraction has has 85 places, 76 transitions, 187 flow [2023-08-29 03:47:42,630 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 315.8333333333333) internal successors, (1895), 6 states have internal predecessors, (1895), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:47:42,631 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:47:42,631 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:47:42,631 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-29 03:47:42,631 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-08-29 03:47:42,632 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:47:42,632 INFO L85 PathProgramCache]: Analyzing trace with hash 2024597418, now seen corresponding path program 1 times [2023-08-29 03:47:42,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:47:42,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972316204] [2023-08-29 03:47:42,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:47:42,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:47:42,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:47:42,659 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-29 03:47:42,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:47:42,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972316204] [2023-08-29 03:47:42,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [972316204] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:47:42,660 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:47:42,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 03:47:42,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292184778] [2023-08-29 03:47:42,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:47:42,661 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 03:47:42,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:47:42,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 03:47:42,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 03:47:42,675 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 686 [2023-08-29 03:47:42,676 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 76 transitions, 187 flow. Second operand has 3 states, 3 states have (on average 317.0) internal successors, (951), 3 states have internal predecessors, (951), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:47:42,676 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:47:42,676 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 686 [2023-08-29 03:47:42,676 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:47:43,052 INFO L130 PetriNetUnfolder]: 1584/3512 cut-off events. [2023-08-29 03:47:43,052 INFO L131 PetriNetUnfolder]: For 778/778 co-relation queries the response was YES. [2023-08-29 03:47:43,061 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6927 conditions, 3512 events. 1584/3512 cut-off events. For 778/778 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 22811 event pairs, 578 based on Foata normal form. 0/3279 useless extension candidates. Maximal degree in co-relation 6920. Up to 2481 conditions per place. [2023-08-29 03:47:43,074 INFO L137 encePairwiseOnDemand]: 680/686 looper letters, 55 selfloop transitions, 2 changer transitions 0/87 dead transitions. [2023-08-29 03:47:43,074 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 87 transitions, 327 flow [2023-08-29 03:47:43,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 03:47:43,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 03:47:43,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1000 transitions. [2023-08-29 03:47:43,127 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4859086491739553 [2023-08-29 03:47:43,127 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1000 transitions. [2023-08-29 03:47:43,127 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1000 transitions. [2023-08-29 03:47:43,128 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:47:43,128 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1000 transitions. [2023-08-29 03:47:43,131 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 333.3333333333333) internal successors, (1000), 3 states have internal predecessors, (1000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:47:43,134 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 686.0) internal successors, (2744), 4 states have internal predecessors, (2744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:47:43,134 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 686.0) internal successors, (2744), 4 states have internal predecessors, (2744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:47:43,134 INFO L175 Difference]: Start difference. First operand has 85 places, 76 transitions, 187 flow. Second operand 3 states and 1000 transitions. [2023-08-29 03:47:43,135 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 87 transitions, 327 flow [2023-08-29 03:47:43,138 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 87 transitions, 318 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-29 03:47:43,139 INFO L231 Difference]: Finished difference. Result has 80 places, 74 transitions, 186 flow [2023-08-29 03:47:43,139 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=686, PETRI_DIFFERENCE_MINUEND_FLOW=172, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=186, PETRI_PLACES=80, PETRI_TRANSITIONS=74} [2023-08-29 03:47:43,141 INFO L281 CegarLoopForPetriNet]: 108 programPoint places, -28 predicate places. [2023-08-29 03:47:43,141 INFO L495 AbstractCegarLoop]: Abstraction has has 80 places, 74 transitions, 186 flow [2023-08-29 03:47:43,141 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 317.0) internal successors, (951), 3 states have internal predecessors, (951), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:47:43,141 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:47:43,142 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:47:43,142 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-29 03:47:43,142 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-08-29 03:47:43,142 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:47:43,142 INFO L85 PathProgramCache]: Analyzing trace with hash 1268810967, now seen corresponding path program 1 times [2023-08-29 03:47:43,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:47:43,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364227994] [2023-08-29 03:47:43,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:47:43,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:47:43,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:47:43,438 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-29 03:47:43,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:47:43,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364227994] [2023-08-29 03:47:43,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1364227994] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:47:43,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:47:43,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 03:47:43,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123794651] [2023-08-29 03:47:43,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:47:43,442 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 03:47:43,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:47:43,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 03:47:43,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 03:47:43,717 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 313 out of 686 [2023-08-29 03:47:43,720 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 74 transitions, 186 flow. Second operand has 6 states, 6 states have (on average 315.5) internal successors, (1893), 6 states have internal predecessors, (1893), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:47:43,720 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:47:43,720 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 313 of 686 [2023-08-29 03:47:43,720 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:47:44,345 INFO L130 PetriNetUnfolder]: 2288/4505 cut-off events. [2023-08-29 03:47:44,346 INFO L131 PetriNetUnfolder]: For 406/406 co-relation queries the response was YES. [2023-08-29 03:47:44,353 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8922 conditions, 4505 events. 2288/4505 cut-off events. For 406/406 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 27910 event pairs, 1349 based on Foata normal form. 116/4370 useless extension candidates. Maximal degree in co-relation 8915. Up to 2628 conditions per place. [2023-08-29 03:47:44,362 INFO L137 encePairwiseOnDemand]: 680/686 looper letters, 142 selfloop transitions, 6 changer transitions 0/173 dead transitions. [2023-08-29 03:47:44,363 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 173 transitions, 716 flow [2023-08-29 03:47:44,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 03:47:44,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 03:47:44,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2018 transitions. [2023-08-29 03:47:44,369 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4902818270165209 [2023-08-29 03:47:44,369 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2018 transitions. [2023-08-29 03:47:44,369 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2018 transitions. [2023-08-29 03:47:44,370 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:47:44,370 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2018 transitions. [2023-08-29 03:47:44,373 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 336.3333333333333) internal successors, (2018), 6 states have internal predecessors, (2018), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:47:44,390 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 686.0) internal successors, (4802), 7 states have internal predecessors, (4802), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:47:44,392 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 686.0) internal successors, (4802), 7 states have internal predecessors, (4802), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:47:44,392 INFO L175 Difference]: Start difference. First operand has 80 places, 74 transitions, 186 flow. Second operand 6 states and 2018 transitions. [2023-08-29 03:47:44,393 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 173 transitions, 716 flow [2023-08-29 03:47:44,394 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 173 transitions, 716 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 03:47:44,396 INFO L231 Difference]: Finished difference. Result has 84 places, 73 transitions, 196 flow [2023-08-29 03:47:44,397 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=686, PETRI_DIFFERENCE_MINUEND_FLOW=184, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=196, PETRI_PLACES=84, PETRI_TRANSITIONS=73} [2023-08-29 03:47:44,398 INFO L281 CegarLoopForPetriNet]: 108 programPoint places, -24 predicate places. [2023-08-29 03:47:44,398 INFO L495 AbstractCegarLoop]: Abstraction has has 84 places, 73 transitions, 196 flow [2023-08-29 03:47:44,399 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 315.5) internal successors, (1893), 6 states have internal predecessors, (1893), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:47:44,399 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:47:44,399 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:47:44,399 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-29 03:47:44,399 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-08-29 03:47:44,399 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:47:44,400 INFO L85 PathProgramCache]: Analyzing trace with hash -1361217159, now seen corresponding path program 1 times [2023-08-29 03:47:44,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:47:44,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144642648] [2023-08-29 03:47:44,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:47:44,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:47:44,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:47:44,711 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-29 03:47:44,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:47:44,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144642648] [2023-08-29 03:47:44,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1144642648] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:47:44,712 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:47:44,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 03:47:44,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022959520] [2023-08-29 03:47:44,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:47:44,713 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 03:47:44,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:47:44,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 03:47:44,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 03:47:44,962 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 299 out of 686 [2023-08-29 03:47:44,963 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 73 transitions, 196 flow. Second operand has 6 states, 6 states have (on average 301.6666666666667) internal successors, (1810), 6 states have internal predecessors, (1810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:47:44,963 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:47:44,963 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 299 of 686 [2023-08-29 03:47:44,964 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:47:45,371 INFO L130 PetriNetUnfolder]: 2232/3984 cut-off events. [2023-08-29 03:47:45,371 INFO L131 PetriNetUnfolder]: For 742/742 co-relation queries the response was YES. [2023-08-29 03:47:45,378 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8630 conditions, 3984 events. 2232/3984 cut-off events. For 742/742 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 22481 event pairs, 1157 based on Foata normal form. 72/3787 useless extension candidates. Maximal degree in co-relation 8622. Up to 2268 conditions per place. [2023-08-29 03:47:45,390 INFO L137 encePairwiseOnDemand]: 668/686 looper letters, 89 selfloop transitions, 16 changer transitions 0/122 dead transitions. [2023-08-29 03:47:45,390 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 122 transitions, 556 flow [2023-08-29 03:47:45,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 03:47:45,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 03:47:45,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1893 transitions. [2023-08-29 03:47:45,395 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45991253644314867 [2023-08-29 03:47:45,396 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1893 transitions. [2023-08-29 03:47:45,396 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1893 transitions. [2023-08-29 03:47:45,397 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:47:45,397 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1893 transitions. [2023-08-29 03:47:45,400 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 315.5) internal successors, (1893), 6 states have internal predecessors, (1893), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:47:45,435 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 686.0) internal successors, (4802), 7 states have internal predecessors, (4802), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:47:45,436 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 686.0) internal successors, (4802), 7 states have internal predecessors, (4802), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:47:45,436 INFO L175 Difference]: Start difference. First operand has 84 places, 73 transitions, 196 flow. Second operand 6 states and 1893 transitions. [2023-08-29 03:47:45,436 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 122 transitions, 556 flow [2023-08-29 03:47:45,438 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 122 transitions, 528 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-29 03:47:45,439 INFO L231 Difference]: Finished difference. Result has 81 places, 70 transitions, 210 flow [2023-08-29 03:47:45,440 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=686, PETRI_DIFFERENCE_MINUEND_FLOW=178, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=210, PETRI_PLACES=81, PETRI_TRANSITIONS=70} [2023-08-29 03:47:45,441 INFO L281 CegarLoopForPetriNet]: 108 programPoint places, -27 predicate places. [2023-08-29 03:47:45,441 INFO L495 AbstractCegarLoop]: Abstraction has has 81 places, 70 transitions, 210 flow [2023-08-29 03:47:45,442 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 301.6666666666667) internal successors, (1810), 6 states have internal predecessors, (1810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:47:45,442 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:47:45,442 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:47:45,442 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-08-29 03:47:45,442 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-08-29 03:47:45,442 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:47:45,443 INFO L85 PathProgramCache]: Analyzing trace with hash -1009206727, now seen corresponding path program 1 times [2023-08-29 03:47:45,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:47:45,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500068408] [2023-08-29 03:47:45,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:47:45,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:47:45,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:47:45,685 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-29 03:47:45,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:47:45,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500068408] [2023-08-29 03:47:45,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500068408] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:47:45,686 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:47:45,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 03:47:45,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501162805] [2023-08-29 03:47:45,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:47:45,687 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 03:47:45,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:47:45,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 03:47:45,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 03:47:45,892 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 686 [2023-08-29 03:47:45,893 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 70 transitions, 210 flow. Second operand has 6 states, 6 states have (on average 316.3333333333333) internal successors, (1898), 6 states have internal predecessors, (1898), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:47:45,893 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:47:45,893 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 686 [2023-08-29 03:47:45,893 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:47:46,295 INFO L130 PetriNetUnfolder]: 1816/3691 cut-off events. [2023-08-29 03:47:46,295 INFO L131 PetriNetUnfolder]: For 562/562 co-relation queries the response was YES. [2023-08-29 03:47:46,303 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8095 conditions, 3691 events. 1816/3691 cut-off events. For 562/562 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 22933 event pairs, 1295 based on Foata normal form. 0/3459 useless extension candidates. Maximal degree in co-relation 8087. Up to 2514 conditions per place. [2023-08-29 03:47:46,306 INFO L137 encePairwiseOnDemand]: 681/686 looper letters, 0 selfloop transitions, 0 changer transitions 161/161 dead transitions. [2023-08-29 03:47:46,306 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 161 transitions, 772 flow [2023-08-29 03:47:46,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 03:47:46,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 03:47:46,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2012 transitions. [2023-08-29 03:47:46,312 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48882410106899904 [2023-08-29 03:47:46,312 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2012 transitions. [2023-08-29 03:47:46,312 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2012 transitions. [2023-08-29 03:47:46,313 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:47:46,313 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2012 transitions. [2023-08-29 03:47:46,316 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 335.3333333333333) internal successors, (2012), 6 states have internal predecessors, (2012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:47:46,321 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 686.0) internal successors, (4802), 7 states have internal predecessors, (4802), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:47:46,322 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 686.0) internal successors, (4802), 7 states have internal predecessors, (4802), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:47:46,322 INFO L175 Difference]: Start difference. First operand has 81 places, 70 transitions, 210 flow. Second operand 6 states and 2012 transitions. [2023-08-29 03:47:46,322 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 161 transitions, 772 flow [2023-08-29 03:47:46,326 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 161 transitions, 684 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-29 03:47:46,327 INFO L231 Difference]: Finished difference. Result has 80 places, 0 transitions, 0 flow [2023-08-29 03:47:46,327 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=686, PETRI_DIFFERENCE_MINUEND_FLOW=176, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=80, PETRI_TRANSITIONS=0} [2023-08-29 03:47:46,328 INFO L281 CegarLoopForPetriNet]: 108 programPoint places, -28 predicate places. [2023-08-29 03:47:46,328 INFO L495 AbstractCegarLoop]: Abstraction has has 80 places, 0 transitions, 0 flow [2023-08-29 03:47:46,328 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 316.3333333333333) internal successors, (1898), 6 states have internal predecessors, (1898), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:47:46,330 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (72 of 73 remaining) [2023-08-29 03:47:46,331 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (71 of 73 remaining) [2023-08-29 03:47:46,331 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (70 of 73 remaining) [2023-08-29 03:47:46,331 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (69 of 73 remaining) [2023-08-29 03:47:46,331 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (68 of 73 remaining) [2023-08-29 03:47:46,332 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (67 of 73 remaining) [2023-08-29 03:47:46,332 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (66 of 73 remaining) [2023-08-29 03:47:46,332 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (65 of 73 remaining) [2023-08-29 03:47:46,332 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (64 of 73 remaining) [2023-08-29 03:47:46,332 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (63 of 73 remaining) [2023-08-29 03:47:46,332 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (62 of 73 remaining) [2023-08-29 03:47:46,333 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (61 of 73 remaining) [2023-08-29 03:47:46,333 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (60 of 73 remaining) [2023-08-29 03:47:46,333 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (59 of 73 remaining) [2023-08-29 03:47:46,333 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (58 of 73 remaining) [2023-08-29 03:47:46,333 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (57 of 73 remaining) [2023-08-29 03:47:46,333 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (56 of 73 remaining) [2023-08-29 03:47:46,333 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (55 of 73 remaining) [2023-08-29 03:47:46,334 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (54 of 73 remaining) [2023-08-29 03:47:46,334 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (53 of 73 remaining) [2023-08-29 03:47:46,334 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (52 of 73 remaining) [2023-08-29 03:47:46,334 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (51 of 73 remaining) [2023-08-29 03:47:46,334 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (50 of 73 remaining) [2023-08-29 03:47:46,334 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (49 of 73 remaining) [2023-08-29 03:47:46,335 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (48 of 73 remaining) [2023-08-29 03:47:46,335 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (47 of 73 remaining) [2023-08-29 03:47:46,335 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (46 of 73 remaining) [2023-08-29 03:47:46,335 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (45 of 73 remaining) [2023-08-29 03:47:46,335 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (44 of 73 remaining) [2023-08-29 03:47:46,335 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (43 of 73 remaining) [2023-08-29 03:47:46,336 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (42 of 73 remaining) [2023-08-29 03:47:46,336 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (41 of 73 remaining) [2023-08-29 03:47:46,336 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (40 of 73 remaining) [2023-08-29 03:47:46,336 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (39 of 73 remaining) [2023-08-29 03:47:46,336 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (38 of 73 remaining) [2023-08-29 03:47:46,336 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (37 of 73 remaining) [2023-08-29 03:47:46,336 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (36 of 73 remaining) [2023-08-29 03:47:46,337 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (35 of 73 remaining) [2023-08-29 03:47:46,337 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (34 of 73 remaining) [2023-08-29 03:47:46,337 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (33 of 73 remaining) [2023-08-29 03:47:46,337 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (32 of 73 remaining) [2023-08-29 03:47:46,337 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (31 of 73 remaining) [2023-08-29 03:47:46,337 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (30 of 73 remaining) [2023-08-29 03:47:46,337 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (29 of 73 remaining) [2023-08-29 03:47:46,338 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (28 of 73 remaining) [2023-08-29 03:47:46,338 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (27 of 73 remaining) [2023-08-29 03:47:46,338 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (26 of 73 remaining) [2023-08-29 03:47:46,338 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (25 of 73 remaining) [2023-08-29 03:47:46,338 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (24 of 73 remaining) [2023-08-29 03:47:46,338 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (23 of 73 remaining) [2023-08-29 03:47:46,338 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (22 of 73 remaining) [2023-08-29 03:47:46,339 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (21 of 73 remaining) [2023-08-29 03:47:46,339 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (20 of 73 remaining) [2023-08-29 03:47:46,339 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (19 of 73 remaining) [2023-08-29 03:47:46,339 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (18 of 73 remaining) [2023-08-29 03:47:46,339 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (17 of 73 remaining) [2023-08-29 03:47:46,339 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (16 of 73 remaining) [2023-08-29 03:47:46,340 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (15 of 73 remaining) [2023-08-29 03:47:46,340 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (14 of 73 remaining) [2023-08-29 03:47:46,340 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (13 of 73 remaining) [2023-08-29 03:47:46,340 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (12 of 73 remaining) [2023-08-29 03:47:46,340 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (11 of 73 remaining) [2023-08-29 03:47:46,340 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (10 of 73 remaining) [2023-08-29 03:47:46,341 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (9 of 73 remaining) [2023-08-29 03:47:46,341 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (8 of 73 remaining) [2023-08-29 03:47:46,341 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (7 of 73 remaining) [2023-08-29 03:47:46,341 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (6 of 73 remaining) [2023-08-29 03:47:46,341 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (5 of 73 remaining) [2023-08-29 03:47:46,341 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (4 of 73 remaining) [2023-08-29 03:47:46,341 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (3 of 73 remaining) [2023-08-29 03:47:46,342 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (2 of 73 remaining) [2023-08-29 03:47:46,342 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (1 of 73 remaining) [2023-08-29 03:47:46,342 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (0 of 73 remaining) [2023-08-29 03:47:46,342 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-08-29 03:47:46,342 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:47:46,347 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-29 03:47:46,347 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-29 03:47:46,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 03:47:46 BasicIcfg [2023-08-29 03:47:46,350 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-29 03:47:46,350 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-29 03:47:46,350 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-29 03:47:46,350 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-29 03:47:46,351 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:47:31" (3/4) ... [2023-08-29 03:47:46,352 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-29 03:47:46,357 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-08-29 03:47:46,357 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-08-29 03:47:46,361 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2023-08-29 03:47:46,361 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-08-29 03:47:46,362 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-29 03:47:46,362 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-29 03:47:46,400 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-29 03:47:46,400 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-29 03:47:46,400 INFO L158 Benchmark]: Toolchain (without parser) took 15941.38ms. Allocated memory was 71.3MB in the beginning and 658.5MB in the end (delta: 587.2MB). Free memory was 49.3MB in the beginning and 187.4MB in the end (delta: -138.1MB). Peak memory consumption was 449.3MB. Max. memory is 16.1GB. [2023-08-29 03:47:46,401 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 58.7MB. Free memory is still 36.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 03:47:46,401 INFO L158 Benchmark]: CACSL2BoogieTranslator took 237.66ms. Allocated memory is still 71.3MB. Free memory was 49.1MB in the beginning and 37.0MB in the end (delta: 12.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-08-29 03:47:46,403 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.34ms. Allocated memory is still 71.3MB. Free memory was 36.9MB in the beginning and 34.0MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-29 03:47:46,404 INFO L158 Benchmark]: Boogie Preprocessor took 73.01ms. Allocated memory is still 71.3MB. Free memory was 34.0MB in the beginning and 50.4MB in the end (delta: -16.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-29 03:47:46,404 INFO L158 Benchmark]: RCFGBuilder took 707.17ms. Allocated memory is still 71.3MB. Free memory was 50.4MB in the beginning and 43.9MB in the end (delta: 6.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-08-29 03:47:46,404 INFO L158 Benchmark]: TraceAbstraction took 14822.46ms. Allocated memory was 71.3MB in the beginning and 658.5MB in the end (delta: 587.2MB). Free memory was 43.2MB in the beginning and 191.6MB in the end (delta: -148.4MB). Peak memory consumption was 438.8MB. Max. memory is 16.1GB. [2023-08-29 03:47:46,404 INFO L158 Benchmark]: Witness Printer took 49.91ms. Allocated memory is still 658.5MB. Free memory was 191.6MB in the beginning and 187.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-29 03:47:46,406 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 58.7MB. Free memory is still 36.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 237.66ms. Allocated memory is still 71.3MB. Free memory was 49.1MB in the beginning and 37.0MB in the end (delta: 12.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.34ms. Allocated memory is still 71.3MB. Free memory was 36.9MB in the beginning and 34.0MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 73.01ms. Allocated memory is still 71.3MB. Free memory was 34.0MB in the beginning and 50.4MB in the end (delta: -16.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 707.17ms. Allocated memory is still 71.3MB. Free memory was 50.4MB in the beginning and 43.9MB in the end (delta: 6.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 14822.46ms. Allocated memory was 71.3MB in the beginning and 658.5MB in the end (delta: 587.2MB). Free memory was 43.2MB in the beginning and 191.6MB in the end (delta: -148.4MB). Peak memory consumption was 438.8MB. Max. memory is 16.1GB. * Witness Printer took 49.91ms. Allocated memory is still 658.5MB. Free memory was 191.6MB in the beginning and 187.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6.3s, 316 PlacesBefore, 108 PlacesAfterwards, 327 TransitionsBefore, 110 TransitionsAfterwards, 20880 CoEnabledTransitionPairs, 10 FixpointIterations, 121 TrivialSequentialCompositions, 167 ConcurrentSequentialCompositions, 16 TrivialYvCompositions, 29 ConcurrentYvCompositions, 9 ChoiceCompositions, 342 TotalNumberOfCompositions, 96732 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 30593, independent: 29168, independent conditional: 0, independent unconditional: 29168, dependent: 1425, dependent conditional: 0, dependent unconditional: 1425, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 11828, independent: 11648, independent conditional: 0, independent unconditional: 11648, dependent: 180, dependent conditional: 0, dependent unconditional: 180, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 30593, independent: 17520, independent conditional: 0, independent unconditional: 17520, dependent: 1245, dependent conditional: 0, dependent unconditional: 1245, unknown: 11828, unknown conditional: 0, unknown unconditional: 11828] , Statistics on independence cache: Total cache size (in pairs): 1167, Positive cache size: 1066, Positive conditional cache size: 0, Positive unconditional cache size: 1066, Negative cache size: 101, Negative conditional cache size: 0, Negative unconditional cache size: 101, 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: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: 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: 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: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 102]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 508 locations, 73 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: 14.7s, OverallIterations: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 6.5s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1313 SdHoareTripleChecker+Valid, 2.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 819 mSDsluCounter, 66 SdHoareTripleChecker+Invalid, 1.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 454 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2876 IncrementalHoareTripleChecker+Invalid, 3330 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 454 mSolverCounterUnsat, 66 mSDtfsCounter, 2876 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=232occurred in iteration=0, InterpolantAutomatonStates: 44, 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: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 120 NumberOfCodeBlocks, 120 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 109 ConstructedInterpolants, 0 QuantifiedInterpolants, 537 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 5/5 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 41 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-29 03:47:46,444 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE