./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/weaver/unroll-4.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-4.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 7071c3ff0bb3d9f81f254bc51d27ce3551a85cc081b1b878560a7d4c8f67639e --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 03:47:45,562 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 03:47:45,563 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 03:47:45,597 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 03:47:45,598 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 03:47:45,599 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 03:47:45,601 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 03:47:45,605 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 03:47:45,609 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 03:47:45,610 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 03:47:45,611 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 03:47:45,612 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 03:47:45,613 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 03:47:45,616 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 03:47:45,617 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 03:47:45,618 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 03:47:45,619 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 03:47:45,623 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 03:47:45,625 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 03:47:45,627 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 03:47:45,638 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 03:47:45,639 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 03:47:45,640 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 03:47:45,641 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 03:47:45,644 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 03:47:45,647 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 03:47:45,648 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 03:47:45,649 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 03:47:45,650 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 03:47:45,651 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 03:47:45,652 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 03:47:45,652 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 03:47:45,653 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 03:47:45,654 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 03:47:45,655 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 03:47:45,656 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 03:47:45,656 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 03:47:45,657 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 03:47:45,657 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 03:47:45,658 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 03:47:45,658 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 03:47:45,660 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 03:47:45,692 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 03:47:45,692 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 03:47:45,693 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 03:47:45,693 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 03:47:45,694 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 03:47:45,694 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 03:47:45,695 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 03:47:45,695 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 03:47:45,695 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 03:47:45,696 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 03:47:45,697 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 03:47:45,697 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 03:47:45,697 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 03:47:45,697 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 03:47:45,697 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 03:47:45,698 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 03:47:45,698 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 03:47:45,698 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 03:47:45,698 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 03:47:45,698 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 03:47:45,698 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 03:47:45,699 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 03:47:45,699 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 03:47:45,699 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 03:47:45,699 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 03:47:45,699 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 03:47:45,700 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 03:47:45,700 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 03:47:45,700 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 03:47:45,700 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 03:47:45,700 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 03:47:45,701 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 03:47:45,701 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 03:47:45,701 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 03:47:45,701 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 03:47:45,702 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 03:47:45,702 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 03:47:45,702 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7071c3ff0bb3d9f81f254bc51d27ce3551a85cc081b1b878560a7d4c8f67639e Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> AFTER [2023-08-29 03:47:46,034 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 03:47:46,054 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 03:47:46,058 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 03:47:46,059 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 03:47:46,059 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 03:47:46,060 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/unroll-4.wvr.c [2023-08-29 03:47:47,312 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 03:47:47,549 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 03:47:47,549 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/unroll-4.wvr.c [2023-08-29 03:47:47,559 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cfd8307d2/ad2c33b89bc044eab15b8e9cf899ce17/FLAG6aec3ac40 [2023-08-29 03:47:47,578 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cfd8307d2/ad2c33b89bc044eab15b8e9cf899ce17 [2023-08-29 03:47:47,580 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 03:47:47,582 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 03:47:47,586 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 03:47:47,586 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 03:47:47,589 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 03:47:47,589 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 03:47:47" (1/1) ... [2023-08-29 03:47:47,593 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bdb71d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:47:47, skipping insertion in model container [2023-08-29 03:47:47,593 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 03:47:47" (1/1) ... [2023-08-29 03:47:47,599 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 03:47:47,622 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 03:47:47,838 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-4.wvr.c[2572,2585] [2023-08-29 03:47:47,848 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 03:47:47,859 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 03:47:47,900 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-4.wvr.c[2572,2585] [2023-08-29 03:47:47,904 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 03:47:47,916 INFO L208 MainTranslator]: Completed translation [2023-08-29 03:47:47,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:47:47 WrapperNode [2023-08-29 03:47:47,917 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 03:47:47,919 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 03:47:47,919 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 03:47:47,919 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 03:47:47,925 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:47:47" (1/1) ... [2023-08-29 03:47:47,945 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:47:47" (1/1) ... [2023-08-29 03:47:47,980 INFO L138 Inliner]: procedures = 24, calls = 36, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 315 [2023-08-29 03:47:47,980 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 03:47:47,981 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 03:47:47,981 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 03:47:47,981 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 03:47:47,988 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:47:47" (1/1) ... [2023-08-29 03:47:47,988 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:47:47" (1/1) ... [2023-08-29 03:47:47,991 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:47:47" (1/1) ... [2023-08-29 03:47:47,992 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:47:47" (1/1) ... [2023-08-29 03:47:48,003 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:47:47" (1/1) ... [2023-08-29 03:47:48,007 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:47:47" (1/1) ... [2023-08-29 03:47:48,009 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:47:47" (1/1) ... [2023-08-29 03:47:48,011 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:47:47" (1/1) ... [2023-08-29 03:47:48,014 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 03:47:48,015 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 03:47:48,015 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 03:47:48,015 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 03:47:48,016 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:47:47" (1/1) ... [2023-08-29 03:47:48,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 03:47:48,050 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 03:47:48,070 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 03:47:48,098 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 03:47:48,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 03:47:48,112 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-29 03:47:48,112 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-29 03:47:48,112 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-29 03:47:48,112 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-29 03:47:48,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 03:47:48,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 03:47:48,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 03:47:48,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-29 03:47:48,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 03:47:48,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 03:47:48,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 03:47:48,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 03:47:48,115 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 03:47:48,274 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 03:47:48,276 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 03:47:48,734 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 03:47:48,746 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 03:47:48,746 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-08-29 03:47:48,749 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:47:48 BoogieIcfgContainer [2023-08-29 03:47:48,749 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 03:47:48,765 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 03:47:48,765 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 03:47:48,768 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 03:47:48,768 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 03:47:47" (1/3) ... [2023-08-29 03:47:48,769 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79803039 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 03:47:48, skipping insertion in model container [2023-08-29 03:47:48,769 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:47:47" (2/3) ... [2023-08-29 03:47:48,769 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79803039 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 03:47:48, skipping insertion in model container [2023-08-29 03:47:48,769 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:47:48" (3/3) ... [2023-08-29 03:47:48,771 INFO L112 eAbstractionObserver]: Analyzing ICFG unroll-4.wvr.c [2023-08-29 03:47:48,778 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 03:47:48,787 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 03:47:48,788 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 48 error locations. [2023-08-29 03:47:48,788 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 03:47:48,921 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-29 03:47:48,964 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 373 places, 387 transitions, 790 flow [2023-08-29 03:47:49,137 INFO L130 PetriNetUnfolder]: 21/385 cut-off events. [2023-08-29 03:47:49,137 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-29 03:47:49,149 INFO L83 FinitePrefix]: Finished finitePrefix Result has 394 conditions, 385 events. 21/385 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 546 event pairs, 0 based on Foata normal form. 0/316 useless extension candidates. Maximal degree in co-relation 252. Up to 2 conditions per place. [2023-08-29 03:47:49,150 INFO L82 GeneralOperation]: Start removeDead. Operand has 373 places, 387 transitions, 790 flow [2023-08-29 03:47:49,159 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 357 places, 370 transitions, 752 flow [2023-08-29 03:47:49,163 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 03:47:49,174 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 357 places, 370 transitions, 752 flow [2023-08-29 03:47:49,178 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 357 places, 370 transitions, 752 flow [2023-08-29 03:47:49,179 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 357 places, 370 transitions, 752 flow [2023-08-29 03:47:49,251 INFO L130 PetriNetUnfolder]: 20/370 cut-off events. [2023-08-29 03:47:49,252 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-29 03:47:49,255 INFO L83 FinitePrefix]: Finished finitePrefix Result has 379 conditions, 370 events. 20/370 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 498 event pairs, 0 based on Foata normal form. 0/303 useless extension candidates. Maximal degree in co-relation 252. Up to 2 conditions per place. [2023-08-29 03:47:49,269 INFO L119 LiptonReduction]: Number of co-enabled transitions 26900 [2023-08-29 03:47:56,265 INFO L134 LiptonReduction]: Checked pairs total: 114514 [2023-08-29 03:47:56,266 INFO L136 LiptonReduction]: Total number of compositions: 382 [2023-08-29 03:47:56,278 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 03:47:56,282 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;@22f1c669, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 03:47:56,283 INFO L358 AbstractCegarLoop]: Starting to check reachability of 87 error locations. [2023-08-29 03:47:56,284 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-29 03:47:56,284 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 03:47:56,284 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:47:56,285 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-29 03:47:56,285 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2023-08-29 03:47:56,288 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:47:56,288 INFO L85 PathProgramCache]: Analyzing trace with hash 1502, now seen corresponding path program 1 times [2023-08-29 03:47:56,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:47:56,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668589010] [2023-08-29 03:47:56,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:47:56,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:47:56,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:47:56,378 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 03:47:56,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:47:56,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668589010] [2023-08-29 03:47:56,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668589010] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:47:56,380 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:47:56,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-29 03:47:56,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645181788] [2023-08-29 03:47:56,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:47:56,388 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-29 03:47:56,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:47:56,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-29 03:47:56,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-29 03:47:56,420 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 369 out of 769 [2023-08-29 03:47:56,426 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 127 transitions, 266 flow. Second operand has 2 states, 2 states have (on average 369.5) internal successors, (739), 2 states have internal predecessors, (739), 0 states have call successors, (0), 0 states 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 03:47:56,426 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:47:56,427 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 369 of 769 [2023-08-29 03:47:56,428 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:47:56,809 INFO L130 PetriNetUnfolder]: 1031/2321 cut-off events. [2023-08-29 03:47:56,809 INFO L131 PetriNetUnfolder]: For 89/89 co-relation queries the response was YES. [2023-08-29 03:47:56,812 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3960 conditions, 2321 events. 1031/2321 cut-off events. For 89/89 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 14533 event pairs, 716 based on Foata normal form. 270/2231 useless extension candidates. Maximal degree in co-relation 3593. Up to 1588 conditions per place. [2023-08-29 03:47:56,823 INFO L137 encePairwiseOnDemand]: 736/769 looper letters, 46 selfloop transitions, 0 changer transitions 1/94 dead transitions. [2023-08-29 03:47:56,823 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 94 transitions, 294 flow [2023-08-29 03:47:56,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-29 03:47:56,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-29 03:47:56,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 818 transitions. [2023-08-29 03:47:56,841 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5318595578673602 [2023-08-29 03:47:56,842 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 818 transitions. [2023-08-29 03:47:56,843 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 818 transitions. [2023-08-29 03:47:56,846 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:47:56,848 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 818 transitions. [2023-08-29 03:47:56,853 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 409.0) internal successors, (818), 2 states have internal predecessors, (818), 0 states have call successors, (0), 0 states 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 03:47:56,860 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 769.0) internal successors, (2307), 3 states have internal predecessors, (2307), 0 states have call successors, (0), 0 states 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 03:47:56,862 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 769.0) internal successors, (2307), 3 states have internal predecessors, (2307), 0 states have call successors, (0), 0 states 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 03:47:56,863 INFO L175 Difference]: Start difference. First operand has 124 places, 127 transitions, 266 flow. Second operand 2 states and 818 transitions. [2023-08-29 03:47:56,864 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 94 transitions, 294 flow [2023-08-29 03:47:56,867 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 94 transitions, 286 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-29 03:47:56,870 INFO L231 Difference]: Finished difference. Result has 92 places, 93 transitions, 189 flow [2023-08-29 03:47:56,872 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=769, PETRI_DIFFERENCE_MINUEND_FLOW=192, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=94, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=189, PETRI_PLACES=92, PETRI_TRANSITIONS=93} [2023-08-29 03:47:56,877 INFO L281 CegarLoopForPetriNet]: 124 programPoint places, -32 predicate places. [2023-08-29 03:47:56,878 INFO L495 AbstractCegarLoop]: Abstraction has has 92 places, 93 transitions, 189 flow [2023-08-29 03:47:56,878 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 369.5) internal successors, (739), 2 states have internal predecessors, (739), 0 states have call successors, (0), 0 states 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 03:47:56,879 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:47:56,879 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-29 03:47:56,880 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 03:47:56,881 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2023-08-29 03:47:56,885 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:47:56,885 INFO L85 PathProgramCache]: Analyzing trace with hash 1680601498, now seen corresponding path program 1 times [2023-08-29 03:47:56,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:47:56,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448376766] [2023-08-29 03:47:56,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:47:56,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:47:56,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:47:57,019 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 03:47:57,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:47:57,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448376766] [2023-08-29 03:47:57,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448376766] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:47:57,021 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:47:57,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 03:47:57,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062640523] [2023-08-29 03:47:57,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:47:57,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 03:47:57,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:47:57,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 03:47:57,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 03:47:57,036 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 359 out of 769 [2023-08-29 03:47:57,038 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 93 transitions, 189 flow. Second operand has 3 states, 3 states have (on average 360.6666666666667) internal successors, (1082), 3 states have internal predecessors, (1082), 0 states have call successors, (0), 0 states 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 03:47:57,038 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:47:57,038 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 359 of 769 [2023-08-29 03:47:57,038 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:47:57,303 INFO L130 PetriNetUnfolder]: 1013/2345 cut-off events. [2023-08-29 03:47:57,304 INFO L131 PetriNetUnfolder]: For 28/28 co-relation queries the response was YES. [2023-08-29 03:47:57,307 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4007 conditions, 2345 events. 1013/2345 cut-off events. For 28/28 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 14376 event pairs, 830 based on Foata normal form. 0/2124 useless extension candidates. Maximal degree in co-relation 4004. Up to 1646 conditions per place. [2023-08-29 03:47:57,314 INFO L137 encePairwiseOnDemand]: 766/769 looper letters, 47 selfloop transitions, 1 changer transitions 0/91 dead transitions. [2023-08-29 03:47:57,315 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 91 transitions, 281 flow [2023-08-29 03:47:57,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 03:47:57,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 03:47:57,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1127 transitions. [2023-08-29 03:47:57,318 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4885132206328565 [2023-08-29 03:47:57,319 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1127 transitions. [2023-08-29 03:47:57,319 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1127 transitions. [2023-08-29 03:47:57,319 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:47:57,320 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1127 transitions. [2023-08-29 03:47:57,322 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 375.6666666666667) internal successors, (1127), 3 states have internal predecessors, (1127), 0 states have call successors, (0), 0 states 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 03:47:57,326 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 769.0) internal successors, (3076), 4 states have internal predecessors, (3076), 0 states have call successors, (0), 0 states 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 03:47:57,327 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 769.0) internal successors, (3076), 4 states have internal predecessors, (3076), 0 states have call successors, (0), 0 states 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 03:47:57,328 INFO L175 Difference]: Start difference. First operand has 92 places, 93 transitions, 189 flow. Second operand 3 states and 1127 transitions. [2023-08-29 03:47:57,328 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 91 transitions, 281 flow [2023-08-29 03:47:57,329 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 91 transitions, 281 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 03:47:57,331 INFO L231 Difference]: Finished difference. Result has 91 places, 91 transitions, 187 flow [2023-08-29 03:47:57,331 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=769, PETRI_DIFFERENCE_MINUEND_FLOW=185, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=187, PETRI_PLACES=91, PETRI_TRANSITIONS=91} [2023-08-29 03:47:57,332 INFO L281 CegarLoopForPetriNet]: 124 programPoint places, -33 predicate places. [2023-08-29 03:47:57,332 INFO L495 AbstractCegarLoop]: Abstraction has has 91 places, 91 transitions, 187 flow [2023-08-29 03:47:57,333 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 360.6666666666667) internal successors, (1082), 3 states have internal predecessors, (1082), 0 states have call successors, (0), 0 states 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 03:47:57,333 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:47:57,333 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:47:57,334 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-29 03:47:57,334 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2023-08-29 03:47:57,336 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:47:57,336 INFO L85 PathProgramCache]: Analyzing trace with hash 150916841, now seen corresponding path program 1 times [2023-08-29 03:47:57,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:47:57,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033699328] [2023-08-29 03:47:57,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:47:57,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:47:57,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:47:57,490 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 03:47:57,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:47:57,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033699328] [2023-08-29 03:47:57,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2033699328] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:47:57,491 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:47:57,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 03:47:57,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482376019] [2023-08-29 03:47:57,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:47:57,492 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 03:47:57,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:47:57,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 03:47:57,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 03:47:57,512 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 367 out of 769 [2023-08-29 03:47:57,514 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 91 transitions, 187 flow. Second operand has 3 states, 3 states have (on average 368.6666666666667) internal successors, (1106), 3 states have internal predecessors, (1106), 0 states have call successors, (0), 0 states 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 03:47:57,514 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:47:57,514 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 367 of 769 [2023-08-29 03:47:57,514 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:47:57,914 INFO L130 PetriNetUnfolder]: 1626/3858 cut-off events. [2023-08-29 03:47:57,915 INFO L131 PetriNetUnfolder]: For 27/27 co-relation queries the response was YES. [2023-08-29 03:47:57,921 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6509 conditions, 3858 events. 1626/3858 cut-off events. For 27/27 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 27177 event pairs, 639 based on Foata normal form. 0/3456 useless extension candidates. Maximal degree in co-relation 6505. Up to 1405 conditions per place. [2023-08-29 03:47:57,938 INFO L137 encePairwiseOnDemand]: 766/769 looper letters, 85 selfloop transitions, 2 changer transitions 0/132 dead transitions. [2023-08-29 03:47:57,939 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 132 transitions, 445 flow [2023-08-29 03:47:57,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 03:47:57,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 03:47:57,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1189 transitions. [2023-08-29 03:47:57,942 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5153879497182489 [2023-08-29 03:47:57,943 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1189 transitions. [2023-08-29 03:47:57,943 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1189 transitions. [2023-08-29 03:47:57,943 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:47:57,943 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1189 transitions. [2023-08-29 03:47:57,946 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 396.3333333333333) internal successors, (1189), 3 states have internal predecessors, (1189), 0 states have call successors, (0), 0 states 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 03:47:57,950 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 769.0) internal successors, (3076), 4 states have internal predecessors, (3076), 0 states have call successors, (0), 0 states 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 03:47:57,952 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 769.0) internal successors, (3076), 4 states have internal predecessors, (3076), 0 states have call successors, (0), 0 states 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 03:47:57,952 INFO L175 Difference]: Start difference. First operand has 91 places, 91 transitions, 187 flow. Second operand 3 states and 1189 transitions. [2023-08-29 03:47:57,952 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 132 transitions, 445 flow [2023-08-29 03:47:57,953 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 132 transitions, 444 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 03:47:57,955 INFO L231 Difference]: Finished difference. Result has 93 places, 92 transitions, 198 flow [2023-08-29 03:47:57,955 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=769, PETRI_DIFFERENCE_MINUEND_FLOW=186, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=198, PETRI_PLACES=93, PETRI_TRANSITIONS=92} [2023-08-29 03:47:57,956 INFO L281 CegarLoopForPetriNet]: 124 programPoint places, -31 predicate places. [2023-08-29 03:47:57,956 INFO L495 AbstractCegarLoop]: Abstraction has has 93 places, 92 transitions, 198 flow [2023-08-29 03:47:57,957 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 368.6666666666667) internal successors, (1106), 3 states have internal predecessors, (1106), 0 states have call successors, (0), 0 states 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 03:47:57,957 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:47:57,958 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:47:57,958 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-29 03:47:57,958 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2023-08-29 03:47:57,958 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:47:57,958 INFO L85 PathProgramCache]: Analyzing trace with hash 150872534, now seen corresponding path program 1 times [2023-08-29 03:47:57,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:47:57,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552584797] [2023-08-29 03:47:57,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:47:57,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:47:57,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:47:57,992 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 03:47:57,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:47:57,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552584797] [2023-08-29 03:47:57,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1552584797] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:47:57,993 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:47:57,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 03:47:57,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802773884] [2023-08-29 03:47:57,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:47:57,994 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 03:47:57,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:47:57,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 03:47:57,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 03:47:58,024 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 347 out of 769 [2023-08-29 03:47:58,026 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 92 transitions, 198 flow. Second operand has 3 states, 3 states have (on average 349.0) internal successors, (1047), 3 states have internal predecessors, (1047), 0 states have call successors, (0), 0 states 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 03:47:58,026 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:47:58,026 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 347 of 769 [2023-08-29 03:47:58,026 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:47:58,393 INFO L130 PetriNetUnfolder]: 1626/3707 cut-off events. [2023-08-29 03:47:58,394 INFO L131 PetriNetUnfolder]: For 215/215 co-relation queries the response was YES. [2023-08-29 03:47:58,399 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6584 conditions, 3707 events. 1626/3707 cut-off events. For 215/215 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 25049 event pairs, 1339 based on Foata normal form. 0/3376 useless extension candidates. Maximal degree in co-relation 6579. Up to 2629 conditions per place. [2023-08-29 03:47:58,414 INFO L137 encePairwiseOnDemand]: 763/769 looper letters, 46 selfloop transitions, 1 changer transitions 0/87 dead transitions. [2023-08-29 03:47:58,414 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 87 transitions, 282 flow [2023-08-29 03:47:58,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 03:47:58,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 03:47:58,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1092 transitions. [2023-08-29 03:47:58,417 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47334200260078024 [2023-08-29 03:47:58,418 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1092 transitions. [2023-08-29 03:47:58,418 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1092 transitions. [2023-08-29 03:47:58,418 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:47:58,418 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1092 transitions. [2023-08-29 03:47:58,421 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 364.0) internal successors, (1092), 3 states have internal predecessors, (1092), 0 states have call successors, (0), 0 states 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 03:47:58,425 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 769.0) internal successors, (3076), 4 states have internal predecessors, (3076), 0 states have call successors, (0), 0 states 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 03:47:58,426 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 769.0) internal successors, (3076), 4 states have internal predecessors, (3076), 0 states have call successors, (0), 0 states 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 03:47:58,426 INFO L175 Difference]: Start difference. First operand has 93 places, 92 transitions, 198 flow. Second operand 3 states and 1092 transitions. [2023-08-29 03:47:58,427 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 87 transitions, 282 flow [2023-08-29 03:47:58,428 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 87 transitions, 280 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 03:47:58,429 INFO L231 Difference]: Finished difference. Result has 89 places, 87 transitions, 188 flow [2023-08-29 03:47:58,429 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=769, PETRI_DIFFERENCE_MINUEND_FLOW=186, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=188, PETRI_PLACES=89, PETRI_TRANSITIONS=87} [2023-08-29 03:47:58,430 INFO L281 CegarLoopForPetriNet]: 124 programPoint places, -35 predicate places. [2023-08-29 03:47:58,430 INFO L495 AbstractCegarLoop]: Abstraction has has 89 places, 87 transitions, 188 flow [2023-08-29 03:47:58,431 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 349.0) internal successors, (1047), 3 states have internal predecessors, (1047), 0 states have call successors, (0), 0 states 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 03:47:58,431 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:47:58,431 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:47:58,431 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-29 03:47:58,432 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2023-08-29 03:47:58,432 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:47:58,432 INFO L85 PathProgramCache]: Analyzing trace with hash -1039942637, now seen corresponding path program 1 times [2023-08-29 03:47:58,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:47:58,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81585823] [2023-08-29 03:47:58,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:47:58,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:47:58,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:47:58,464 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 03:47:58,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:47:58,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81585823] [2023-08-29 03:47:58,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81585823] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:47:58,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:47:58,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 03:47:58,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365950522] [2023-08-29 03:47:58,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:47:58,466 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 03:47:58,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:47:58,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 03:47:58,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 03:47:58,484 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 353 out of 769 [2023-08-29 03:47:58,485 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 87 transitions, 188 flow. Second operand has 3 states, 3 states have (on average 355.6666666666667) internal successors, (1067), 3 states have internal predecessors, (1067), 0 states have call successors, (0), 0 states 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 03:47:58,486 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:47:58,486 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 353 of 769 [2023-08-29 03:47:58,486 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:47:58,895 INFO L130 PetriNetUnfolder]: 1694/3653 cut-off events. [2023-08-29 03:47:58,895 INFO L131 PetriNetUnfolder]: For 221/221 co-relation queries the response was YES. [2023-08-29 03:47:58,901 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6594 conditions, 3653 events. 1694/3653 cut-off events. For 221/221 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 23770 event pairs, 556 based on Foata normal form. 0/3296 useless extension candidates. Maximal degree in co-relation 6589. Up to 2591 conditions per place. [2023-08-29 03:47:58,921 INFO L137 encePairwiseOnDemand]: 762/769 looper letters, 61 selfloop transitions, 2 changer transitions 0/98 dead transitions. [2023-08-29 03:47:58,921 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 98 transitions, 338 flow [2023-08-29 03:47:58,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 03:47:58,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 03:47:58,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1126 transitions. [2023-08-29 03:47:58,925 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4880797572605115 [2023-08-29 03:47:58,925 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1126 transitions. [2023-08-29 03:47:58,925 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1126 transitions. [2023-08-29 03:47:58,926 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:47:58,926 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1126 transitions. [2023-08-29 03:47:58,928 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 375.3333333333333) internal successors, (1126), 3 states have internal predecessors, (1126), 0 states have call successors, (0), 0 states 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 03:47:58,932 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 769.0) internal successors, (3076), 4 states have internal predecessors, (3076), 0 states have call successors, (0), 0 states 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 03:47:58,933 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 769.0) internal successors, (3076), 4 states have internal predecessors, (3076), 0 states have call successors, (0), 0 states 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 03:47:58,934 INFO L175 Difference]: Start difference. First operand has 89 places, 87 transitions, 188 flow. Second operand 3 states and 1126 transitions. [2023-08-29 03:47:58,934 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 98 transitions, 338 flow [2023-08-29 03:47:58,936 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 98 transitions, 337 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 03:47:58,938 INFO L231 Difference]: Finished difference. Result has 86 places, 84 transitions, 191 flow [2023-08-29 03:47:58,938 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=769, PETRI_DIFFERENCE_MINUEND_FLOW=177, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=191, PETRI_PLACES=86, PETRI_TRANSITIONS=84} [2023-08-29 03:47:58,941 INFO L281 CegarLoopForPetriNet]: 124 programPoint places, -38 predicate places. [2023-08-29 03:47:58,941 INFO L495 AbstractCegarLoop]: Abstraction has has 86 places, 84 transitions, 191 flow [2023-08-29 03:47:58,942 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 355.6666666666667) internal successors, (1067), 3 states have internal predecessors, (1067), 0 states have call successors, (0), 0 states 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 03:47:58,942 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:47:58,942 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:47:58,942 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-29 03:47:58,942 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2023-08-29 03:47:58,942 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:47:58,943 INFO L85 PathProgramCache]: Analyzing trace with hash 2073642038, now seen corresponding path program 1 times [2023-08-29 03:47:58,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:47:58,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262360530] [2023-08-29 03:47:58,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:47:58,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:47:58,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:47:59,017 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 03:47:59,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:47:59,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262360530] [2023-08-29 03:47:59,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1262360530] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:47:59,018 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:47:59,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 03:47:59,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159693377] [2023-08-29 03:47:59,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:47:59,019 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 03:47:59,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:47:59,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 03:47:59,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 03:47:59,051 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 365 out of 769 [2023-08-29 03:47:59,053 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 84 transitions, 191 flow. Second operand has 3 states, 3 states have (on average 367.0) internal successors, (1101), 3 states have internal predecessors, (1101), 0 states have call successors, (0), 0 states 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 03:47:59,053 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:47:59,053 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 365 of 769 [2023-08-29 03:47:59,053 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:47:59,415 INFO L130 PetriNetUnfolder]: 1694/3643 cut-off events. [2023-08-29 03:47:59,416 INFO L131 PetriNetUnfolder]: For 344/344 co-relation queries the response was YES. [2023-08-29 03:47:59,421 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6777 conditions, 3643 events. 1694/3643 cut-off events. For 344/344 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 23590 event pairs, 1361 based on Foata normal form. 0/3287 useless extension candidates. Maximal degree in co-relation 6772. Up to 2749 conditions per place. [2023-08-29 03:47:59,432 INFO L137 encePairwiseOnDemand]: 766/769 looper letters, 48 selfloop transitions, 2 changer transitions 0/85 dead transitions. [2023-08-29 03:47:59,432 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 85 transitions, 293 flow [2023-08-29 03:47:59,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 03:47:59,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 03:47:59,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1143 transitions. [2023-08-29 03:47:59,436 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49544863459037713 [2023-08-29 03:47:59,436 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1143 transitions. [2023-08-29 03:47:59,436 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1143 transitions. [2023-08-29 03:47:59,436 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:47:59,437 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1143 transitions. [2023-08-29 03:47:59,439 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 381.0) internal successors, (1143), 3 states have internal predecessors, (1143), 0 states have call successors, (0), 0 states 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 03:47:59,443 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 769.0) internal successors, (3076), 4 states have internal predecessors, (3076), 0 states have call successors, (0), 0 states 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 03:47:59,444 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 769.0) internal successors, (3076), 4 states have internal predecessors, (3076), 0 states have call successors, (0), 0 states 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 03:47:59,445 INFO L175 Difference]: Start difference. First operand has 86 places, 84 transitions, 191 flow. Second operand 3 states and 1143 transitions. [2023-08-29 03:47:59,445 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 85 transitions, 293 flow [2023-08-29 03:47:59,446 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 85 transitions, 293 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 03:47:59,447 INFO L231 Difference]: Finished difference. Result has 89 places, 85 transitions, 203 flow [2023-08-29 03:47:59,447 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=769, PETRI_DIFFERENCE_MINUEND_FLOW=191, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=84, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=203, PETRI_PLACES=89, PETRI_TRANSITIONS=85} [2023-08-29 03:47:59,448 INFO L281 CegarLoopForPetriNet]: 124 programPoint places, -35 predicate places. [2023-08-29 03:47:59,448 INFO L495 AbstractCegarLoop]: Abstraction has has 89 places, 85 transitions, 203 flow [2023-08-29 03:47:59,449 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 367.0) internal successors, (1101), 3 states have internal predecessors, (1101), 0 states have call successors, (0), 0 states 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 03:47:59,449 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:47:59,449 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:47:59,449 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-29 03:47:59,449 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2023-08-29 03:47:59,450 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:47:59,450 INFO L85 PathProgramCache]: Analyzing trace with hash 963102279, now seen corresponding path program 1 times [2023-08-29 03:47:59,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:47:59,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718099045] [2023-08-29 03:47:59,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:47:59,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:47:59,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:47:59,719 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 03:47:59,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:47:59,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718099045] [2023-08-29 03:47:59,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1718099045] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:47:59,720 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:47:59,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 03:47:59,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286665872] [2023-08-29 03:47:59,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:47:59,721 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 03:47:59,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:47:59,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 03:47:59,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 03:47:59,995 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 356 out of 769 [2023-08-29 03:47:59,997 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 85 transitions, 203 flow. Second operand has 6 states, 6 states have (on average 357.8333333333333) internal successors, (2147), 6 states have internal predecessors, (2147), 0 states have call successors, (0), 0 states 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 03:47:59,997 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:47:59,997 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 356 of 769 [2023-08-29 03:47:59,997 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:48:01,114 INFO L130 PetriNetUnfolder]: 5654/9652 cut-off events. [2023-08-29 03:48:01,114 INFO L131 PetriNetUnfolder]: For 928/928 co-relation queries the response was YES. [2023-08-29 03:48:01,134 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19241 conditions, 9652 events. 5654/9652 cut-off events. For 928/928 co-relation queries the response was YES. Maximal size of possible extension queue 202. Compared 64201 event pairs, 414 based on Foata normal form. 0/8669 useless extension candidates. Maximal degree in co-relation 19234. Up to 3130 conditions per place. [2023-08-29 03:48:01,167 INFO L137 encePairwiseOnDemand]: 764/769 looper letters, 210 selfloop transitions, 4 changer transitions 0/244 dead transitions. [2023-08-29 03:48:01,167 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 244 transitions, 1013 flow [2023-08-29 03:48:01,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 03:48:01,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 03:48:01,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2335 transitions. [2023-08-29 03:48:01,173 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5060684872128305 [2023-08-29 03:48:01,173 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2335 transitions. [2023-08-29 03:48:01,173 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2335 transitions. [2023-08-29 03:48:01,175 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:48:01,175 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2335 transitions. [2023-08-29 03:48:01,179 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 389.1666666666667) internal successors, (2335), 6 states have internal predecessors, (2335), 0 states have call successors, (0), 0 states 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 03:48:01,185 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 769.0) internal successors, (5383), 7 states have internal predecessors, (5383), 0 states have call successors, (0), 0 states 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 03:48:01,187 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 769.0) internal successors, (5383), 7 states have internal predecessors, (5383), 0 states have call successors, (0), 0 states 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 03:48:01,187 INFO L175 Difference]: Start difference. First operand has 89 places, 85 transitions, 203 flow. Second operand 6 states and 2335 transitions. [2023-08-29 03:48:01,187 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 244 transitions, 1013 flow [2023-08-29 03:48:01,190 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 244 transitions, 1009 flow, removed 1 selfloop flow, removed 1 redundant places. [2023-08-29 03:48:01,192 INFO L231 Difference]: Finished difference. Result has 92 places, 84 transitions, 205 flow [2023-08-29 03:48:01,193 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=769, PETRI_DIFFERENCE_MINUEND_FLOW=197, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=84, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=205, PETRI_PLACES=92, PETRI_TRANSITIONS=84} [2023-08-29 03:48:01,193 INFO L281 CegarLoopForPetriNet]: 124 programPoint places, -32 predicate places. [2023-08-29 03:48:01,193 INFO L495 AbstractCegarLoop]: Abstraction has has 92 places, 84 transitions, 205 flow [2023-08-29 03:48:01,194 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 357.8333333333333) internal successors, (2147), 6 states have internal predecessors, (2147), 0 states have call successors, (0), 0 states 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 03:48:01,194 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:48:01,195 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:48:01,195 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-29 03:48:01,195 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2023-08-29 03:48:01,195 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:48:01,196 INFO L85 PathProgramCache]: Analyzing trace with hash -1434143920, now seen corresponding path program 1 times [2023-08-29 03:48:01,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:48:01,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184290905] [2023-08-29 03:48:01,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:48:01,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:48:01,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:48:01,239 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 03:48:01,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:48:01,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184290905] [2023-08-29 03:48:01,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1184290905] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:48:01,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:48:01,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 03:48:01,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715043933] [2023-08-29 03:48:01,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:48:01,240 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 03:48:01,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:48:01,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 03:48:01,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 03:48:01,298 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 364 out of 769 [2023-08-29 03:48:01,300 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 84 transitions, 205 flow. Second operand has 3 states, 3 states have (on average 367.3333333333333) internal successors, (1102), 3 states have internal predecessors, (1102), 0 states have call successors, (0), 0 states 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 03:48:01,300 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:48:01,300 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 364 of 769 [2023-08-29 03:48:01,300 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:48:01,692 INFO L130 PetriNetUnfolder]: 1944/4202 cut-off events. [2023-08-29 03:48:01,692 INFO L131 PetriNetUnfolder]: For 945/945 co-relation queries the response was YES. [2023-08-29 03:48:01,699 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8452 conditions, 4202 events. 1944/4202 cut-off events. For 945/945 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 26964 event pairs, 389 based on Foata normal form. 0/3882 useless extension candidates. Maximal degree in co-relation 8445. Up to 2449 conditions per place. [2023-08-29 03:48:01,712 INFO L137 encePairwiseOnDemand]: 766/769 looper letters, 69 selfloop transitions, 2 changer transitions 0/105 dead transitions. [2023-08-29 03:48:01,712 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 105 transitions, 402 flow [2023-08-29 03:48:01,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 03:48:01,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 03:48:01,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1159 transitions. [2023-08-29 03:48:01,716 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5023840485478978 [2023-08-29 03:48:01,716 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1159 transitions. [2023-08-29 03:48:01,716 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1159 transitions. [2023-08-29 03:48:01,717 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:48:01,717 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1159 transitions. [2023-08-29 03:48:01,719 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 386.3333333333333) internal successors, (1159), 3 states have internal predecessors, (1159), 0 states have call successors, (0), 0 states 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 03:48:01,723 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 769.0) internal successors, (3076), 4 states have internal predecessors, (3076), 0 states have call successors, (0), 0 states 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 03:48:01,723 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 769.0) internal successors, (3076), 4 states have internal predecessors, (3076), 0 states have call successors, (0), 0 states 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 03:48:01,723 INFO L175 Difference]: Start difference. First operand has 92 places, 84 transitions, 205 flow. Second operand 3 states and 1159 transitions. [2023-08-29 03:48:01,724 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 105 transitions, 402 flow [2023-08-29 03:48:01,727 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 105 transitions, 393 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-29 03:48:01,728 INFO L231 Difference]: Finished difference. Result has 91 places, 85 transitions, 210 flow [2023-08-29 03:48:01,729 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=769, PETRI_DIFFERENCE_MINUEND_FLOW=198, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=84, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=210, PETRI_PLACES=91, PETRI_TRANSITIONS=85} [2023-08-29 03:48:01,730 INFO L281 CegarLoopForPetriNet]: 124 programPoint places, -33 predicate places. [2023-08-29 03:48:01,730 INFO L495 AbstractCegarLoop]: Abstraction has has 91 places, 85 transitions, 210 flow [2023-08-29 03:48:01,743 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 367.3333333333333) internal successors, (1102), 3 states have internal predecessors, (1102), 0 states have call successors, (0), 0 states 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 03:48:01,743 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:48:01,743 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 03:48:01,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-29 03:48:01,744 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2023-08-29 03:48:01,744 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:48:01,744 INFO L85 PathProgramCache]: Analyzing trace with hash -1590819254, now seen corresponding path program 1 times [2023-08-29 03:48:01,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:48:01,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598679736] [2023-08-29 03:48:01,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:48:01,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:48:01,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:48:02,050 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 03:48:02,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:48:02,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1598679736] [2023-08-29 03:48:02,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1598679736] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:48:02,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:48:02,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 03:48:02,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759631386] [2023-08-29 03:48:02,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:48:02,052 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 03:48:02,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:48:02,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 03:48:02,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 03:48:02,363 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 355 out of 769 [2023-08-29 03:48:02,365 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 85 transitions, 210 flow. Second operand has 6 states, 6 states have (on average 357.5) internal successors, (2145), 6 states have internal predecessors, (2145), 0 states have call successors, (0), 0 states 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 03:48:02,365 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:48:02,365 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 355 of 769 [2023-08-29 03:48:02,365 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:48:03,018 INFO L130 PetriNetUnfolder]: 2808/5481 cut-off events. [2023-08-29 03:48:03,018 INFO L131 PetriNetUnfolder]: For 452/452 co-relation queries the response was YES. [2023-08-29 03:48:03,028 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10843 conditions, 5481 events. 2808/5481 cut-off events. For 452/452 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 34440 event pairs, 1637 based on Foata normal form. 140/5294 useless extension candidates. Maximal degree in co-relation 10835. Up to 3204 conditions per place. [2023-08-29 03:48:03,044 INFO L137 encePairwiseOnDemand]: 763/769 looper letters, 177 selfloop transitions, 6 changer transitions 0/212 dead transitions. [2023-08-29 03:48:03,044 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 212 transitions, 870 flow [2023-08-29 03:48:03,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 03:48:03,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 03:48:03,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2305 transitions. [2023-08-29 03:48:03,050 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.499566536627655 [2023-08-29 03:48:03,050 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2305 transitions. [2023-08-29 03:48:03,050 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2305 transitions. [2023-08-29 03:48:03,051 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:48:03,051 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2305 transitions. [2023-08-29 03:48:03,055 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 384.1666666666667) internal successors, (2305), 6 states have internal predecessors, (2305), 0 states have call successors, (0), 0 states 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 03:48:03,060 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 769.0) internal successors, (5383), 7 states have internal predecessors, (5383), 0 states have call successors, (0), 0 states 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 03:48:03,061 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 769.0) internal successors, (5383), 7 states have internal predecessors, (5383), 0 states have call successors, (0), 0 states 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 03:48:03,062 INFO L175 Difference]: Start difference. First operand has 91 places, 85 transitions, 210 flow. Second operand 6 states and 2305 transitions. [2023-08-29 03:48:03,062 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 212 transitions, 870 flow [2023-08-29 03:48:03,064 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 212 transitions, 864 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 03:48:03,066 INFO L231 Difference]: Finished difference. Result has 94 places, 84 transitions, 218 flow [2023-08-29 03:48:03,066 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=769, PETRI_DIFFERENCE_MINUEND_FLOW=206, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=84, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=218, PETRI_PLACES=94, PETRI_TRANSITIONS=84} [2023-08-29 03:48:03,066 INFO L281 CegarLoopForPetriNet]: 124 programPoint places, -30 predicate places. [2023-08-29 03:48:03,067 INFO L495 AbstractCegarLoop]: Abstraction has has 94 places, 84 transitions, 218 flow [2023-08-29 03:48:03,067 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 357.5) internal successors, (2145), 6 states have internal predecessors, (2145), 0 states have call successors, (0), 0 states 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 03:48:03,067 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:48:03,067 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 03:48:03,068 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-29 03:48:03,068 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2023-08-29 03:48:03,068 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:48:03,068 INFO L85 PathProgramCache]: Analyzing trace with hash 578035032, now seen corresponding path program 1 times [2023-08-29 03:48:03,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:48:03,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824268535] [2023-08-29 03:48:03,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:48:03,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:48:03,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:48:03,367 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 03:48:03,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:48:03,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824268535] [2023-08-29 03:48:03,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824268535] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:48:03,368 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:48:03,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 03:48:03,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119457564] [2023-08-29 03:48:03,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:48:03,369 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 03:48:03,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:48:03,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 03:48:03,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 03:48:03,634 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 334 out of 769 [2023-08-29 03:48:03,636 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 84 transitions, 218 flow. Second operand has 6 states, 6 states have (on average 336.6666666666667) internal successors, (2020), 6 states have internal predecessors, (2020), 0 states have call successors, (0), 0 states 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 03:48:03,636 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:48:03,636 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 334 of 769 [2023-08-29 03:48:03,636 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:48:04,160 INFO L130 PetriNetUnfolder]: 2754/4830 cut-off events. [2023-08-29 03:48:04,160 INFO L131 PetriNetUnfolder]: For 924/924 co-relation queries the response was YES. [2023-08-29 03:48:04,168 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10448 conditions, 4830 events. 2754/4830 cut-off events. For 924/924 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 27161 event pairs, 1397 based on Foata normal form. 72/4561 useless extension candidates. Maximal degree in co-relation 10440. Up to 2754 conditions per place. [2023-08-29 03:48:04,186 INFO L137 encePairwiseOnDemand]: 744/769 looper letters, 93 selfloop transitions, 22 changer transitions 0/132 dead transitions. [2023-08-29 03:48:04,186 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 132 transitions, 596 flow [2023-08-29 03:48:04,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 03:48:04,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 03:48:04,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2114 transitions. [2023-08-29 03:48:04,193 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45817078456870397 [2023-08-29 03:48:04,193 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2114 transitions. [2023-08-29 03:48:04,193 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2114 transitions. [2023-08-29 03:48:04,194 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:48:04,194 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2114 transitions. [2023-08-29 03:48:04,198 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 352.3333333333333) internal successors, (2114), 6 states have internal predecessors, (2114), 0 states have call successors, (0), 0 states 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 03:48:04,204 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 769.0) internal successors, (5383), 7 states have internal predecessors, (5383), 0 states have call successors, (0), 0 states 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 03:48:04,205 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 769.0) internal successors, (5383), 7 states have internal predecessors, (5383), 0 states have call successors, (0), 0 states 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 03:48:04,205 INFO L175 Difference]: Start difference. First operand has 94 places, 84 transitions, 218 flow. Second operand 6 states and 2114 transitions. [2023-08-29 03:48:04,205 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 132 transitions, 596 flow [2023-08-29 03:48:04,208 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 132 transitions, 568 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-29 03:48:04,209 INFO L231 Difference]: Finished difference. Result has 90 places, 80 transitions, 242 flow [2023-08-29 03:48:04,210 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=769, PETRI_DIFFERENCE_MINUEND_FLOW=198, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=242, PETRI_PLACES=90, PETRI_TRANSITIONS=80} [2023-08-29 03:48:04,210 INFO L281 CegarLoopForPetriNet]: 124 programPoint places, -34 predicate places. [2023-08-29 03:48:04,210 INFO L495 AbstractCegarLoop]: Abstraction has has 90 places, 80 transitions, 242 flow [2023-08-29 03:48:04,211 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 336.6666666666667) internal successors, (2020), 6 states have internal predecessors, (2020), 0 states have call successors, (0), 0 states 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 03:48:04,211 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:48:04,211 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 03:48:04,212 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-08-29 03:48:04,212 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2023-08-29 03:48:04,212 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:48:04,212 INFO L85 PathProgramCache]: Analyzing trace with hash -25007663, now seen corresponding path program 1 times [2023-08-29 03:48:04,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:48:04,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810846077] [2023-08-29 03:48:04,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:48:04,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:48:04,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:48:04,515 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 03:48:04,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:48:04,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810846077] [2023-08-29 03:48:04,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1810846077] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:48:04,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:48:04,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 03:48:04,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999668993] [2023-08-29 03:48:04,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:48:04,517 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 03:48:04,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:48:04,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 03:48:04,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 03:48:04,830 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 356 out of 769 [2023-08-29 03:48:04,832 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 80 transitions, 242 flow. Second operand has 6 states, 6 states have (on average 358.3333333333333) internal successors, (2150), 6 states have internal predecessors, (2150), 0 states have call successors, (0), 0 states 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 03:48:04,832 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:48:04,832 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 356 of 769 [2023-08-29 03:48:04,832 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:48:05,603 INFO L130 PetriNetUnfolder]: 2232/4473 cut-off events. [2023-08-29 03:48:05,603 INFO L131 PetriNetUnfolder]: For 646/646 co-relation queries the response was YES. [2023-08-29 03:48:05,617 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9851 conditions, 4473 events. 2232/4473 cut-off events. For 646/646 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 28085 event pairs, 1571 based on Foata normal form. 0/4173 useless extension candidates. Maximal degree in co-relation 9843. Up to 3064 conditions per place. [2023-08-29 03:48:05,622 INFO L137 encePairwiseOnDemand]: 764/769 looper letters, 0 selfloop transitions, 0 changer transitions 199/199 dead transitions. [2023-08-29 03:48:05,622 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 199 transitions, 954 flow [2023-08-29 03:48:05,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 03:48:05,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 03:48:05,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2299 transitions. [2023-08-29 03:48:05,629 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49826614651061985 [2023-08-29 03:48:05,629 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2299 transitions. [2023-08-29 03:48:05,629 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2299 transitions. [2023-08-29 03:48:05,631 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:48:05,631 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2299 transitions. [2023-08-29 03:48:05,635 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 383.1666666666667) internal successors, (2299), 6 states have internal predecessors, (2299), 0 states have call successors, (0), 0 states 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 03:48:05,641 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 769.0) internal successors, (5383), 7 states have internal predecessors, (5383), 0 states have call successors, (0), 0 states 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 03:48:05,643 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 769.0) internal successors, (5383), 7 states have internal predecessors, (5383), 0 states have call successors, (0), 0 states 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 03:48:05,643 INFO L175 Difference]: Start difference. First operand has 90 places, 80 transitions, 242 flow. Second operand 6 states and 2299 transitions. [2023-08-29 03:48:05,643 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 199 transitions, 954 flow [2023-08-29 03:48:05,649 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 199 transitions, 830 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-29 03:48:05,650 INFO L231 Difference]: Finished difference. Result has 89 places, 0 transitions, 0 flow [2023-08-29 03:48:05,651 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=769, PETRI_DIFFERENCE_MINUEND_FLOW=196, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=79, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=79, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=89, PETRI_TRANSITIONS=0} [2023-08-29 03:48:05,651 INFO L281 CegarLoopForPetriNet]: 124 programPoint places, -35 predicate places. [2023-08-29 03:48:05,651 INFO L495 AbstractCegarLoop]: Abstraction has has 89 places, 0 transitions, 0 flow [2023-08-29 03:48:05,652 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 358.3333333333333) internal successors, (2150), 6 states have internal predecessors, (2150), 0 states have call successors, (0), 0 states 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 03:48:05,654 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (86 of 87 remaining) [2023-08-29 03:48:05,655 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (85 of 87 remaining) [2023-08-29 03:48:05,655 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (84 of 87 remaining) [2023-08-29 03:48:05,655 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (83 of 87 remaining) [2023-08-29 03:48:05,656 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (82 of 87 remaining) [2023-08-29 03:48:05,656 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (81 of 87 remaining) [2023-08-29 03:48:05,656 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (80 of 87 remaining) [2023-08-29 03:48:05,659 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (79 of 87 remaining) [2023-08-29 03:48:05,659 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (78 of 87 remaining) [2023-08-29 03:48:05,660 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (77 of 87 remaining) [2023-08-29 03:48:05,660 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (76 of 87 remaining) [2023-08-29 03:48:05,660 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (75 of 87 remaining) [2023-08-29 03:48:05,660 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (74 of 87 remaining) [2023-08-29 03:48:05,660 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (73 of 87 remaining) [2023-08-29 03:48:05,661 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (72 of 87 remaining) [2023-08-29 03:48:05,661 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (71 of 87 remaining) [2023-08-29 03:48:05,661 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (70 of 87 remaining) [2023-08-29 03:48:05,661 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (69 of 87 remaining) [2023-08-29 03:48:05,661 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (68 of 87 remaining) [2023-08-29 03:48:05,662 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (67 of 87 remaining) [2023-08-29 03:48:05,662 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (66 of 87 remaining) [2023-08-29 03:48:05,662 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (65 of 87 remaining) [2023-08-29 03:48:05,662 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (64 of 87 remaining) [2023-08-29 03:48:05,662 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (63 of 87 remaining) [2023-08-29 03:48:05,662 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (62 of 87 remaining) [2023-08-29 03:48:05,663 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (61 of 87 remaining) [2023-08-29 03:48:05,663 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (60 of 87 remaining) [2023-08-29 03:48:05,663 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (59 of 87 remaining) [2023-08-29 03:48:05,663 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (58 of 87 remaining) [2023-08-29 03:48:05,663 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (57 of 87 remaining) [2023-08-29 03:48:05,664 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (56 of 87 remaining) [2023-08-29 03:48:05,664 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (55 of 87 remaining) [2023-08-29 03:48:05,664 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (54 of 87 remaining) [2023-08-29 03:48:05,664 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err25ASSERT_VIOLATIONDATA_RACE (53 of 87 remaining) [2023-08-29 03:48:05,664 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err26ASSERT_VIOLATIONDATA_RACE (52 of 87 remaining) [2023-08-29 03:48:05,664 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err27ASSERT_VIOLATIONDATA_RACE (51 of 87 remaining) [2023-08-29 03:48:05,665 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err28ASSERT_VIOLATIONDATA_RACE (50 of 87 remaining) [2023-08-29 03:48:05,665 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (49 of 87 remaining) [2023-08-29 03:48:05,665 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (48 of 87 remaining) [2023-08-29 03:48:05,666 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (47 of 87 remaining) [2023-08-29 03:48:05,666 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (46 of 87 remaining) [2023-08-29 03:48:05,666 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (45 of 87 remaining) [2023-08-29 03:48:05,666 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (44 of 87 remaining) [2023-08-29 03:48:05,666 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (43 of 87 remaining) [2023-08-29 03:48:05,666 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (42 of 87 remaining) [2023-08-29 03:48:05,667 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (41 of 87 remaining) [2023-08-29 03:48:05,667 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (40 of 87 remaining) [2023-08-29 03:48:05,667 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (39 of 87 remaining) [2023-08-29 03:48:05,667 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (38 of 87 remaining) [2023-08-29 03:48:05,667 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (37 of 87 remaining) [2023-08-29 03:48:05,667 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (36 of 87 remaining) [2023-08-29 03:48:05,668 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (35 of 87 remaining) [2023-08-29 03:48:05,668 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (34 of 87 remaining) [2023-08-29 03:48:05,668 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (33 of 87 remaining) [2023-08-29 03:48:05,668 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (32 of 87 remaining) [2023-08-29 03:48:05,668 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (31 of 87 remaining) [2023-08-29 03:48:05,668 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (30 of 87 remaining) [2023-08-29 03:48:05,669 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (29 of 87 remaining) [2023-08-29 03:48:05,669 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (28 of 87 remaining) [2023-08-29 03:48:05,669 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (27 of 87 remaining) [2023-08-29 03:48:05,669 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (26 of 87 remaining) [2023-08-29 03:48:05,669 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (25 of 87 remaining) [2023-08-29 03:48:05,669 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (24 of 87 remaining) [2023-08-29 03:48:05,670 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (23 of 87 remaining) [2023-08-29 03:48:05,670 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (22 of 87 remaining) [2023-08-29 03:48:05,670 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (21 of 87 remaining) [2023-08-29 03:48:05,670 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (20 of 87 remaining) [2023-08-29 03:48:05,670 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (19 of 87 remaining) [2023-08-29 03:48:05,670 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (18 of 87 remaining) [2023-08-29 03:48:05,671 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (17 of 87 remaining) [2023-08-29 03:48:05,671 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (16 of 87 remaining) [2023-08-29 03:48:05,671 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (15 of 87 remaining) [2023-08-29 03:48:05,671 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (14 of 87 remaining) [2023-08-29 03:48:05,671 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (13 of 87 remaining) [2023-08-29 03:48:05,671 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (12 of 87 remaining) [2023-08-29 03:48:05,672 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (11 of 87 remaining) [2023-08-29 03:48:05,672 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (10 of 87 remaining) [2023-08-29 03:48:05,672 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (9 of 87 remaining) [2023-08-29 03:48:05,672 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (8 of 87 remaining) [2023-08-29 03:48:05,672 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (7 of 87 remaining) [2023-08-29 03:48:05,672 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (6 of 87 remaining) [2023-08-29 03:48:05,673 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (5 of 87 remaining) [2023-08-29 03:48:05,673 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (4 of 87 remaining) [2023-08-29 03:48:05,673 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err25ASSERT_VIOLATIONDATA_RACE (3 of 87 remaining) [2023-08-29 03:48:05,673 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err26ASSERT_VIOLATIONDATA_RACE (2 of 87 remaining) [2023-08-29 03:48:05,673 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err27ASSERT_VIOLATIONDATA_RACE (1 of 87 remaining) [2023-08-29 03:48:05,673 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err28ASSERT_VIOLATIONDATA_RACE (0 of 87 remaining) [2023-08-29 03:48:05,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-08-29 03:48:05,674 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:48:05,680 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-29 03:48:05,680 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-29 03:48:05,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 03:48:05 BasicIcfg [2023-08-29 03:48:05,684 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-29 03:48:05,685 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-29 03:48:05,685 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-29 03:48:05,685 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-29 03:48:05,685 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:47:48" (3/4) ... [2023-08-29 03:48:05,687 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-29 03:48:05,692 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-08-29 03:48:05,692 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-08-29 03:48:05,698 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2023-08-29 03:48:05,698 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-08-29 03:48:05,698 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-29 03:48:05,699 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-29 03:48:05,748 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-29 03:48:05,748 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-29 03:48:05,749 INFO L158 Benchmark]: Toolchain (without parser) took 18166.94ms. Allocated memory was 81.8MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 59.3MB in the beginning and 537.5MB in the end (delta: -478.1MB). Peak memory consumption was 606.3MB. Max. memory is 16.1GB. [2023-08-29 03:48:05,749 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 62.9MB. Free memory is still 40.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 03:48:05,749 INFO L158 Benchmark]: CACSL2BoogieTranslator took 331.76ms. Allocated memory is still 81.8MB. Free memory was 59.3MB in the beginning and 46.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-29 03:48:05,750 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.74ms. Allocated memory is still 81.8MB. Free memory was 46.7MB in the beginning and 43.7MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 03:48:05,750 INFO L158 Benchmark]: Boogie Preprocessor took 33.16ms. Allocated memory is still 81.8MB. Free memory was 43.7MB in the beginning and 41.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 03:48:05,750 INFO L158 Benchmark]: RCFGBuilder took 734.26ms. Allocated memory is still 81.8MB. Free memory was 41.1MB in the beginning and 32.6MB in the end (delta: 8.5MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. [2023-08-29 03:48:05,751 INFO L158 Benchmark]: TraceAbstraction took 16919.47ms. Allocated memory was 81.8MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 58.6MB in the beginning and 541.6MB in the end (delta: -483.0MB). Peak memory consumption was 600.0MB. Max. memory is 16.1GB. [2023-08-29 03:48:05,751 INFO L158 Benchmark]: Witness Printer took 63.92ms. Allocated memory is still 1.2GB. Free memory was 541.6MB in the beginning and 537.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-29 03:48:05,752 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 62.9MB. Free memory is still 40.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 331.76ms. Allocated memory is still 81.8MB. Free memory was 59.3MB in the beginning and 46.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.74ms. Allocated memory is still 81.8MB. Free memory was 46.7MB in the beginning and 43.7MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.16ms. Allocated memory is still 81.8MB. Free memory was 43.7MB in the beginning and 41.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 734.26ms. Allocated memory is still 81.8MB. Free memory was 41.1MB in the beginning and 32.6MB in the end (delta: 8.5MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. * TraceAbstraction took 16919.47ms. Allocated memory was 81.8MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 58.6MB in the beginning and 541.6MB in the end (delta: -483.0MB). Peak memory consumption was 600.0MB. Max. memory is 16.1GB. * Witness Printer took 63.92ms. Allocated memory is still 1.2GB. Free memory was 541.6MB in the beginning and 537.5MB 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: 7.1s, 357 PlacesBefore, 124 PlacesAfterwards, 370 TransitionsBefore, 127 TransitionsAfterwards, 26900 CoEnabledTransitionPairs, 9 FixpointIterations, 120 TrivialSequentialCompositions, 201 ConcurrentSequentialCompositions, 16 TrivialYvCompositions, 35 ConcurrentYvCompositions, 10 ChoiceCompositions, 382 TotalNumberOfCompositions, 114514 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 37093, independent: 35575, independent conditional: 0, independent unconditional: 35575, dependent: 1518, dependent conditional: 0, dependent unconditional: 1518, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 15183, independent: 14996, independent conditional: 0, independent unconditional: 14996, dependent: 187, dependent conditional: 0, dependent unconditional: 187, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 37093, independent: 20579, independent conditional: 0, independent unconditional: 20579, dependent: 1331, dependent conditional: 0, dependent unconditional: 1331, unknown: 15183, unknown conditional: 0, unknown unconditional: 15183] , Statistics on independence cache: Total cache size (in pairs): 1540, Positive cache size: 1445, Positive conditional cache size: 0, Positive unconditional cache size: 1445, Negative cache size: 95, Negative conditional cache size: 0, Negative unconditional cache size: 95, 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: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 590 locations, 87 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: 16.7s, OverallIterations: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 7.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 7.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1514 SdHoareTripleChecker+Valid, 2.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 985 mSDsluCounter, 35 SdHoareTripleChecker+Invalid, 2.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 541 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3375 IncrementalHoareTripleChecker+Invalid, 3916 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 541 mSolverCounterUnsat, 35 mSDtfsCounter, 3375 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=266occurred 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, 1.4s InterpolantComputationTime, 125 NumberOfCodeBlocks, 125 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 114 ConstructedInterpolants, 0 QuantifiedInterpolants, 544 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 48 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-29 03:48:05,792 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