./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/weaver/popl20-more-array-sum.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/popl20-more-array-sum.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 c328ca6a6071aea6db12d1e311bd2e5e22fce6c700c884e61df52925e139f834 --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 03:42:38,673 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 03:42:38,675 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 03:42:38,711 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 03:42:38,712 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 03:42:38,715 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 03:42:38,717 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 03:42:38,720 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 03:42:38,722 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 03:42:38,727 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 03:42:38,728 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 03:42:38,733 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 03:42:38,733 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 03:42:38,735 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 03:42:38,737 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 03:42:38,740 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 03:42:38,741 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 03:42:38,742 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 03:42:38,744 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 03:42:38,750 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 03:42:38,751 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 03:42:38,752 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 03:42:38,753 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 03:42:38,755 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 03:42:38,759 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 03:42:38,760 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 03:42:38,760 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 03:42:38,762 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 03:42:38,762 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 03:42:38,763 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 03:42:38,764 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 03:42:38,765 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 03:42:38,767 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 03:42:38,768 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 03:42:38,768 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 03:42:38,769 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 03:42:38,769 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 03:42:38,770 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 03:42:38,770 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 03:42:38,770 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 03:42:38,771 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 03:42:38,773 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 03:42:38,815 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 03:42:38,815 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 03:42:38,815 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 03:42:38,815 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 03:42:38,816 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 03:42:38,816 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 03:42:38,816 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 03:42:38,817 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 03:42:38,817 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 03:42:38,817 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 03:42:38,818 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 03:42:38,818 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 03:42:38,818 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 03:42:38,819 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 03:42:38,819 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 03:42:38,819 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 03:42:38,819 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 03:42:38,819 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 03:42:38,820 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 03:42:38,820 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 03:42:38,820 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 03:42:38,820 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 03:42:38,820 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 03:42:38,821 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 03:42:38,821 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 03:42:38,821 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 03:42:38,821 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 03:42:38,821 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 03:42:38,822 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 03:42:38,822 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 03:42:38,822 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 03:42:38,822 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 03:42:38,823 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 03:42:38,823 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 03:42:38,823 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 03:42:38,823 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 03:42:38,823 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 03:42:38,823 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c328ca6a6071aea6db12d1e311bd2e5e22fce6c700c884e61df52925e139f834 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> AFTER [2023-08-29 03:42:39,126 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 03:42:39,146 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 03:42:39,149 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 03:42:39,150 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 03:42:39,151 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 03:42:39,152 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-array-sum.wvr.c [2023-08-29 03:42:40,478 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 03:42:40,692 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 03:42:40,692 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-array-sum.wvr.c [2023-08-29 03:42:40,705 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8293d69ab/4c70b70716c54baa93c48366b69147b1/FLAG9e27f677b [2023-08-29 03:42:40,724 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8293d69ab/4c70b70716c54baa93c48366b69147b1 [2023-08-29 03:42:40,726 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 03:42:40,728 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 03:42:40,730 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 03:42:40,730 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 03:42:40,733 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 03:42:40,734 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 03:42:40" (1/1) ... [2023-08-29 03:42:40,735 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29d478b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:42:40, skipping insertion in model container [2023-08-29 03:42:40,736 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 03:42:40" (1/1) ... [2023-08-29 03:42:40,741 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 03:42:40,765 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 03:42:40,981 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/popl20-more-array-sum.wvr.c[2835,2848] [2023-08-29 03:42:40,994 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 03:42:41,003 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 03:42:41,052 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/popl20-more-array-sum.wvr.c[2835,2848] [2023-08-29 03:42:41,065 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 03:42:41,074 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 03:42:41,077 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 03:42:41,084 INFO L208 MainTranslator]: Completed translation [2023-08-29 03:42:41,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:42:41 WrapperNode [2023-08-29 03:42:41,085 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 03:42:41,086 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 03:42:41,086 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 03:42:41,086 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 03:42:41,093 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:42:41" (1/1) ... [2023-08-29 03:42:41,105 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:42:41" (1/1) ... [2023-08-29 03:42:41,148 INFO L138 Inliner]: procedures = 25, calls = 58, calls flagged for inlining = 16, calls inlined = 28, statements flattened = 415 [2023-08-29 03:42:41,149 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 03:42:41,150 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 03:42:41,150 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 03:42:41,150 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 03:42:41,157 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:42:41" (1/1) ... [2023-08-29 03:42:41,158 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:42:41" (1/1) ... [2023-08-29 03:42:41,164 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:42:41" (1/1) ... [2023-08-29 03:42:41,164 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:42:41" (1/1) ... [2023-08-29 03:42:41,189 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:42:41" (1/1) ... [2023-08-29 03:42:41,205 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:42:41" (1/1) ... [2023-08-29 03:42:41,207 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:42:41" (1/1) ... [2023-08-29 03:42:41,210 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:42:41" (1/1) ... [2023-08-29 03:42:41,217 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 03:42:41,221 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 03:42:41,221 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 03:42:41,221 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 03:42:41,222 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:42:41" (1/1) ... [2023-08-29 03:42:41,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 03:42:41,239 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 03:42:41,258 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 03:42:41,279 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 03:42:41,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 03:42:41,301 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 03:42:41,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 03:42:41,301 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 03:42:41,301 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-29 03:42:41,301 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-29 03:42:41,302 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-29 03:42:41,302 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-29 03:42:41,302 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-08-29 03:42:41,302 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-08-29 03:42:41,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 03:42:41,302 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-29 03:42:41,302 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-29 03:42:41,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-29 03:42:41,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 03:42:41,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 03:42:41,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 03:42:41,305 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 03:42:41,411 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 03:42:41,416 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 03:42:42,021 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 03:42:42,354 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 03:42:42,354 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-08-29 03:42:42,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:42:42 BoogieIcfgContainer [2023-08-29 03:42:42,357 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 03:42:42,359 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 03:42:42,359 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 03:42:42,361 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 03:42:42,362 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 03:42:40" (1/3) ... [2023-08-29 03:42:42,362 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d52a082 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 03:42:42, skipping insertion in model container [2023-08-29 03:42:42,362 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:42:41" (2/3) ... [2023-08-29 03:42:42,363 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d52a082 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 03:42:42, skipping insertion in model container [2023-08-29 03:42:42,363 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:42:42" (3/3) ... [2023-08-29 03:42:42,364 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-array-sum.wvr.c [2023-08-29 03:42:42,374 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 03:42:42,383 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 03:42:42,383 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 38 error locations. [2023-08-29 03:42:42,384 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 03:42:42,506 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-08-29 03:42:42,551 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 284 places, 291 transitions, 606 flow [2023-08-29 03:42:42,672 INFO L130 PetriNetUnfolder]: 17/288 cut-off events. [2023-08-29 03:42:42,672 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-08-29 03:42:42,679 INFO L83 FinitePrefix]: Finished finitePrefix Result has 301 conditions, 288 events. 17/288 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 330 event pairs, 0 based on Foata normal form. 0/233 useless extension candidates. Maximal degree in co-relation 217. Up to 2 conditions per place. [2023-08-29 03:42:42,680 INFO L82 GeneralOperation]: Start removeDead. Operand has 284 places, 291 transitions, 606 flow [2023-08-29 03:42:42,689 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 265 places, 271 transitions, 560 flow [2023-08-29 03:42:42,693 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 03:42:42,702 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 265 places, 271 transitions, 560 flow [2023-08-29 03:42:42,706 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 265 places, 271 transitions, 560 flow [2023-08-29 03:42:42,707 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 265 places, 271 transitions, 560 flow [2023-08-29 03:42:42,771 INFO L130 PetriNetUnfolder]: 16/271 cut-off events. [2023-08-29 03:42:42,773 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-08-29 03:42:42,775 INFO L83 FinitePrefix]: Finished finitePrefix Result has 284 conditions, 271 events. 16/271 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 328 event pairs, 0 based on Foata normal form. 0/218 useless extension candidates. Maximal degree in co-relation 217. Up to 2 conditions per place. [2023-08-29 03:42:42,778 INFO L119 LiptonReduction]: Number of co-enabled transitions 5682 [2023-08-29 03:42:53,831 INFO L134 LiptonReduction]: Checked pairs total: 39645 [2023-08-29 03:42:53,832 INFO L136 LiptonReduction]: Total number of compositions: 266 [2023-08-29 03:42:53,855 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 03:42:53,863 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;@391b86, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 03:42:53,863 INFO L358 AbstractCegarLoop]: Starting to check reachability of 63 error locations. [2023-08-29 03:42:53,865 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-29 03:42:53,865 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 03:42:53,865 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:42:53,866 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-29 03:42:53,867 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2023-08-29 03:42:53,873 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:42:53,874 INFO L85 PathProgramCache]: Analyzing trace with hash 1489, now seen corresponding path program 1 times [2023-08-29 03:42:53,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:42:53,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885323320] [2023-08-29 03:42:53,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:42:53,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:42:53,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:42:53,973 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 03:42:53,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:42:53,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885323320] [2023-08-29 03:42:53,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1885323320] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:42:53,975 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:42:53,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-29 03:42:53,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475032260] [2023-08-29 03:42:53,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:42:53,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-29 03:42:53,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:42:54,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-29 03:42:54,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-29 03:42:54,017 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 249 out of 557 [2023-08-29 03:42:54,023 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 87 transitions, 192 flow. Second operand has 2 states, 2 states have (on average 249.5) internal successors, (499), 2 states have internal predecessors, (499), 0 states have call successors, (0), 0 states 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 03:42:54,023 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:42:54,023 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 249 of 557 [2023-08-29 03:42:54,024 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:42:54,357 INFO L130 PetriNetUnfolder]: 662/1477 cut-off events. [2023-08-29 03:42:54,357 INFO L131 PetriNetUnfolder]: For 86/86 co-relation queries the response was YES. [2023-08-29 03:42:54,363 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2462 conditions, 1477 events. 662/1477 cut-off events. For 86/86 co-relation queries the response was YES. Maximal size of possible extension queue 110. Compared 9881 event pairs, 406 based on Foata normal form. 251/1415 useless extension candidates. Maximal degree in co-relation 1978. Up to 913 conditions per place. [2023-08-29 03:42:54,371 INFO L137 encePairwiseOnDemand]: 523/557 looper letters, 26 selfloop transitions, 0 changer transitions 1/53 dead transitions. [2023-08-29 03:42:54,372 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 53 transitions, 178 flow [2023-08-29 03:42:54,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-29 03:42:54,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-29 03:42:54,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 559 transitions. [2023-08-29 03:42:54,439 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5017953321364452 [2023-08-29 03:42:54,440 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 559 transitions. [2023-08-29 03:42:54,440 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 559 transitions. [2023-08-29 03:42:54,443 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:42:54,446 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 559 transitions. [2023-08-29 03:42:54,465 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 279.5) internal successors, (559), 2 states have internal predecessors, (559), 0 states have call successors, (0), 0 states 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 03:42:54,471 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 557.0) internal successors, (1671), 3 states have internal predecessors, (1671), 0 states have call successors, (0), 0 states 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 03:42:54,472 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 557.0) internal successors, (1671), 3 states have internal predecessors, (1671), 0 states have call successors, (0), 0 states 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 03:42:54,473 INFO L175 Difference]: Start difference. First operand has 89 places, 87 transitions, 192 flow. Second operand 2 states and 559 transitions. [2023-08-29 03:42:54,474 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 53 transitions, 178 flow [2023-08-29 03:42:54,503 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 53 transitions, 166 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-08-29 03:42:54,504 INFO L231 Difference]: Finished difference. Result has 53 places, 52 transitions, 109 flow [2023-08-29 03:42:54,506 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=557, PETRI_DIFFERENCE_MINUEND_FLOW=112, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=109, PETRI_PLACES=53, PETRI_TRANSITIONS=52} [2023-08-29 03:42:54,510 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, -36 predicate places. [2023-08-29 03:42:54,512 INFO L495 AbstractCegarLoop]: Abstraction has has 53 places, 52 transitions, 109 flow [2023-08-29 03:42:54,513 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 249.5) internal successors, (499), 2 states have internal predecessors, (499), 0 states have call successors, (0), 0 states 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 03:42:54,513 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:42:54,514 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:42:54,514 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 03:42:54,514 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2023-08-29 03:42:54,518 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:42:54,522 INFO L85 PathProgramCache]: Analyzing trace with hash 1115475678, now seen corresponding path program 1 times [2023-08-29 03:42:54,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:42:54,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111689236] [2023-08-29 03:42:54,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:42:54,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:42:54,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:42:54,727 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 03:42:54,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:42:54,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111689236] [2023-08-29 03:42:54,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111689236] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:42:54,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:42:54,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 03:42:54,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2434747] [2023-08-29 03:42:54,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:42:54,730 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 03:42:54,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:42:54,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 03:42:54,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 03:42:54,757 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 233 out of 557 [2023-08-29 03:42:54,758 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 52 transitions, 109 flow. Second operand has 3 states, 3 states have (on average 235.0) internal successors, (705), 3 states have internal predecessors, (705), 0 states have call successors, (0), 0 states 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 03:42:54,758 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:42:54,758 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 233 of 557 [2023-08-29 03:42:54,758 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:42:55,079 INFO L130 PetriNetUnfolder]: 875/1687 cut-off events. [2023-08-29 03:42:55,080 INFO L131 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2023-08-29 03:42:55,082 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2941 conditions, 1687 events. 875/1687 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 132. Compared 10176 event pairs, 603 based on Foata normal form. 0/1410 useless extension candidates. Maximal degree in co-relation 2938. Up to 1225 conditions per place. [2023-08-29 03:42:55,090 INFO L137 encePairwiseOnDemand]: 554/557 looper letters, 27 selfloop transitions, 1 changer transitions 0/50 dead transitions. [2023-08-29 03:42:55,091 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 50 transitions, 161 flow [2023-08-29 03:42:55,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 03:42:55,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 03:42:55,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 729 transitions. [2023-08-29 03:42:55,094 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4362657091561939 [2023-08-29 03:42:55,094 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 729 transitions. [2023-08-29 03:42:55,094 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 729 transitions. [2023-08-29 03:42:55,094 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:42:55,094 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 729 transitions. [2023-08-29 03:42:55,096 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 243.0) internal successors, (729), 3 states have internal predecessors, (729), 0 states have call successors, (0), 0 states 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 03:42:55,108 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 557.0) internal successors, (2228), 4 states have internal predecessors, (2228), 0 states have call successors, (0), 0 states 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 03:42:55,109 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 557.0) internal successors, (2228), 4 states have internal predecessors, (2228), 0 states have call successors, (0), 0 states 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 03:42:55,110 INFO L175 Difference]: Start difference. First operand has 53 places, 52 transitions, 109 flow. Second operand 3 states and 729 transitions. [2023-08-29 03:42:55,110 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 50 transitions, 161 flow [2023-08-29 03:42:55,111 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 50 transitions, 161 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 03:42:55,112 INFO L231 Difference]: Finished difference. Result has 52 places, 50 transitions, 107 flow [2023-08-29 03:42:55,112 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=557, PETRI_DIFFERENCE_MINUEND_FLOW=105, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=107, PETRI_PLACES=52, PETRI_TRANSITIONS=50} [2023-08-29 03:42:55,113 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, -37 predicate places. [2023-08-29 03:42:55,113 INFO L495 AbstractCegarLoop]: Abstraction has has 52 places, 50 transitions, 107 flow [2023-08-29 03:42:55,114 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 235.0) internal successors, (705), 3 states have internal predecessors, (705), 0 states have call successors, (0), 0 states 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 03:42:55,114 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:42:55,114 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:42:55,114 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-29 03:42:55,114 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2023-08-29 03:42:55,115 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:42:55,115 INFO L85 PathProgramCache]: Analyzing trace with hash -1511863581, now seen corresponding path program 1 times [2023-08-29 03:42:55,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:42:55,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124000570] [2023-08-29 03:42:55,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:42:55,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:42:55,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:42:55,181 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 03:42:55,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:42:55,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124000570] [2023-08-29 03:42:55,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [124000570] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:42:55,183 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:42:55,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 03:42:55,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892139026] [2023-08-29 03:42:55,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:42:55,185 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 03:42:55,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:42:55,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 03:42:55,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 03:42:55,204 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 236 out of 557 [2023-08-29 03:42:55,205 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 50 transitions, 107 flow. Second operand has 3 states, 3 states have (on average 238.66666666666666) internal successors, (716), 3 states have internal predecessors, (716), 0 states have call successors, (0), 0 states 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 03:42:55,205 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:42:55,205 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 236 of 557 [2023-08-29 03:42:55,205 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:42:55,452 INFO L130 PetriNetUnfolder]: 1061/1824 cut-off events. [2023-08-29 03:42:55,452 INFO L131 PetriNetUnfolder]: For 42/42 co-relation queries the response was YES. [2023-08-29 03:42:55,454 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3346 conditions, 1824 events. 1061/1824 cut-off events. For 42/42 co-relation queries the response was YES. Maximal size of possible extension queue 105. Compared 9738 event pairs, 758 based on Foata normal form. 0/1427 useless extension candidates. Maximal degree in co-relation 3342. Up to 1484 conditions per place. [2023-08-29 03:42:55,460 INFO L137 encePairwiseOnDemand]: 554/557 looper letters, 28 selfloop transitions, 1 changer transitions 0/48 dead transitions. [2023-08-29 03:42:55,460 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 48 transitions, 161 flow [2023-08-29 03:42:55,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 03:42:55,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 03:42:55,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 739 transitions. [2023-08-29 03:42:55,463 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4422501496110114 [2023-08-29 03:42:55,463 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 739 transitions. [2023-08-29 03:42:55,463 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 739 transitions. [2023-08-29 03:42:55,463 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:42:55,463 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 739 transitions. [2023-08-29 03:42:55,465 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 246.33333333333334) internal successors, (739), 3 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 03:42:55,468 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 557.0) internal successors, (2228), 4 states have internal predecessors, (2228), 0 states have call successors, (0), 0 states 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 03:42:55,468 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 557.0) internal successors, (2228), 4 states have internal predecessors, (2228), 0 states have call successors, (0), 0 states 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 03:42:55,469 INFO L175 Difference]: Start difference. First operand has 52 places, 50 transitions, 107 flow. Second operand 3 states and 739 transitions. [2023-08-29 03:42:55,469 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 48 transitions, 161 flow [2023-08-29 03:42:55,469 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 48 transitions, 160 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 03:42:55,470 INFO L231 Difference]: Finished difference. Result has 51 places, 48 transitions, 104 flow [2023-08-29 03:42:55,470 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=557, PETRI_DIFFERENCE_MINUEND_FLOW=102, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=104, PETRI_PLACES=51, PETRI_TRANSITIONS=48} [2023-08-29 03:42:55,471 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, -38 predicate places. [2023-08-29 03:42:55,471 INFO L495 AbstractCegarLoop]: Abstraction has has 51 places, 48 transitions, 104 flow [2023-08-29 03:42:55,472 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 238.66666666666666) internal successors, (716), 3 states have internal predecessors, (716), 0 states have call successors, (0), 0 states 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 03:42:55,472 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:42:55,472 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:42:55,472 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-29 03:42:55,472 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2023-08-29 03:42:55,473 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:42:55,473 INFO L85 PathProgramCache]: Analyzing trace with hash 547293870, now seen corresponding path program 1 times [2023-08-29 03:42:55,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:42:55,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207301587] [2023-08-29 03:42:55,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:42:55,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:42:55,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:42:55,646 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 03:42:55,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:42:55,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207301587] [2023-08-29 03:42:55,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1207301587] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:42:55,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:42:55,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-29 03:42:55,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755463434] [2023-08-29 03:42:55,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:42:55,647 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-29 03:42:55,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:42:55,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-29 03:42:55,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-29 03:42:55,769 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 239 out of 557 [2023-08-29 03:42:55,770 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 48 transitions, 104 flow. Second operand has 4 states, 4 states have (on average 241.25) internal successors, (965), 4 states have internal predecessors, (965), 0 states have call successors, (0), 0 states 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 03:42:55,770 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:42:55,770 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 239 of 557 [2023-08-29 03:42:55,771 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:42:56,037 INFO L130 PetriNetUnfolder]: 662/1403 cut-off events. [2023-08-29 03:42:56,038 INFO L131 PetriNetUnfolder]: For 25/25 co-relation queries the response was YES. [2023-08-29 03:42:56,040 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2344 conditions, 1403 events. 662/1403 cut-off events. For 25/25 co-relation queries the response was YES. Maximal size of possible extension queue 103. Compared 8923 event pairs, 406 based on Foata normal form. 3/1137 useless extension candidates. Maximal degree in co-relation 2340. Up to 912 conditions per place. [2023-08-29 03:42:56,044 INFO L137 encePairwiseOnDemand]: 552/557 looper letters, 24 selfloop transitions, 4 changer transitions 1/51 dead transitions. [2023-08-29 03:42:56,045 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 51 transitions, 168 flow [2023-08-29 03:42:56,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-29 03:42:56,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-29 03:42:56,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 988 transitions. [2023-08-29 03:42:56,047 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44344703770197486 [2023-08-29 03:42:56,048 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 988 transitions. [2023-08-29 03:42:56,048 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 988 transitions. [2023-08-29 03:42:56,048 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:42:56,048 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 988 transitions. [2023-08-29 03:42:56,050 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 247.0) internal successors, (988), 4 states have internal predecessors, (988), 0 states have call successors, (0), 0 states 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 03:42:56,054 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 557.0) internal successors, (2785), 5 states have internal predecessors, (2785), 0 states have call successors, (0), 0 states 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 03:42:56,055 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 557.0) internal successors, (2785), 5 states have internal predecessors, (2785), 0 states have call successors, (0), 0 states 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 03:42:56,055 INFO L175 Difference]: Start difference. First operand has 51 places, 48 transitions, 104 flow. Second operand 4 states and 988 transitions. [2023-08-29 03:42:56,055 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 51 transitions, 168 flow [2023-08-29 03:42:56,056 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 51 transitions, 167 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 03:42:56,057 INFO L231 Difference]: Finished difference. Result has 55 places, 50 transitions, 129 flow [2023-08-29 03:42:56,057 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=557, PETRI_DIFFERENCE_MINUEND_FLOW=103, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=129, PETRI_PLACES=55, PETRI_TRANSITIONS=50} [2023-08-29 03:42:56,058 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, -34 predicate places. [2023-08-29 03:42:56,058 INFO L495 AbstractCegarLoop]: Abstraction has has 55 places, 50 transitions, 129 flow [2023-08-29 03:42:56,058 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 241.25) internal successors, (965), 4 states have internal predecessors, (965), 0 states have call successors, (0), 0 states 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 03:42:56,058 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:42:56,059 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:42:56,059 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-29 03:42:56,059 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2023-08-29 03:42:56,059 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:42:56,059 INFO L85 PathProgramCache]: Analyzing trace with hash 1430496218, now seen corresponding path program 1 times [2023-08-29 03:42:56,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:42:56,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532109631] [2023-08-29 03:42:56,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:42:56,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:42:56,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:42:56,387 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-29 03:42:56,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:42:56,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532109631] [2023-08-29 03:42:56,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1532109631] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:42:56,388 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:42:56,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 03:42:56,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671687910] [2023-08-29 03:42:56,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:42:56,388 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 03:42:56,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:42:56,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 03:42:56,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 03:42:56,527 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 232 out of 557 [2023-08-29 03:42:56,529 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 50 transitions, 129 flow. Second operand has 6 states, 6 states have (on average 234.5) internal successors, (1407), 6 states have internal predecessors, (1407), 0 states have call successors, (0), 0 states 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 03:42:56,529 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:42:56,529 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 232 of 557 [2023-08-29 03:42:56,529 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:42:57,228 INFO L130 PetriNetUnfolder]: 1782/2594 cut-off events. [2023-08-29 03:42:57,228 INFO L131 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2023-08-29 03:42:57,231 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4987 conditions, 2594 events. 1782/2594 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 176. Compared 13375 event pairs, 176 based on Foata normal form. 0/2178 useless extension candidates. Maximal degree in co-relation 4981. Up to 870 conditions per place. [2023-08-29 03:42:57,242 INFO L137 encePairwiseOnDemand]: 552/557 looper letters, 72 selfloop transitions, 4 changer transitions 0/93 dead transitions. [2023-08-29 03:42:57,242 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 93 transitions, 367 flow [2023-08-29 03:42:57,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 03:42:57,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 03:42:57,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1467 transitions. [2023-08-29 03:42:57,247 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43895870736086173 [2023-08-29 03:42:57,247 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1467 transitions. [2023-08-29 03:42:57,247 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1467 transitions. [2023-08-29 03:42:57,248 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:42:57,248 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1467 transitions. [2023-08-29 03:42:57,251 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 244.5) internal successors, (1467), 6 states have internal predecessors, (1467), 0 states have call successors, (0), 0 states 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 03:42:57,257 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 557.0) internal successors, (3899), 7 states have internal predecessors, (3899), 0 states have call successors, (0), 0 states 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 03:42:57,259 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 557.0) internal successors, (3899), 7 states have internal predecessors, (3899), 0 states have call successors, (0), 0 states 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 03:42:57,259 INFO L175 Difference]: Start difference. First operand has 55 places, 50 transitions, 129 flow. Second operand 6 states and 1467 transitions. [2023-08-29 03:42:57,259 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 93 transitions, 367 flow [2023-08-29 03:42:57,262 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 93 transitions, 359 flow, removed 2 selfloop flow, removed 2 redundant places. [2023-08-29 03:42:57,263 INFO L231 Difference]: Finished difference. Result has 56 places, 49 transitions, 127 flow [2023-08-29 03:42:57,263 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=557, PETRI_DIFFERENCE_MINUEND_FLOW=119, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=127, PETRI_PLACES=56, PETRI_TRANSITIONS=49} [2023-08-29 03:42:57,264 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, -33 predicate places. [2023-08-29 03:42:57,264 INFO L495 AbstractCegarLoop]: Abstraction has has 56 places, 49 transitions, 127 flow [2023-08-29 03:42:57,265 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 234.5) internal successors, (1407), 6 states have internal predecessors, (1407), 0 states have call successors, (0), 0 states 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 03:42:57,265 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:42:57,265 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:42:57,265 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-29 03:42:57,265 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2023-08-29 03:42:57,266 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:42:57,266 INFO L85 PathProgramCache]: Analyzing trace with hash -989174534, now seen corresponding path program 1 times [2023-08-29 03:42:57,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:42:57,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859636215] [2023-08-29 03:42:57,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:42:57,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:42:57,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:42:57,394 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-29 03:42:57,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:42:57,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859636215] [2023-08-29 03:42:57,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1859636215] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-29 03:42:57,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [88516446] [2023-08-29 03:42:57,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:42:57,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-29 03:42:57,396 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 03:42:57,398 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-29 03:42:57,428 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-08-29 03:42:57,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:42:57,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 6 conjunts are in the unsatisfiable core [2023-08-29 03:42:57,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-29 03:42:57,611 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-29 03:42:57,611 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-08-29 03:42:57,669 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-29 03:42:57,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [88516446] provided 1 perfect and 1 imperfect interpolant sequences [2023-08-29 03:42:57,670 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-08-29 03:42:57,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5, 4] total 9 [2023-08-29 03:42:57,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132883726] [2023-08-29 03:42:57,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:42:57,671 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-29 03:42:57,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:42:57,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-29 03:42:57,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-08-29 03:42:57,814 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 557 [2023-08-29 03:42:57,815 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 49 transitions, 127 flow. Second operand has 5 states, 5 states have (on average 234.0) internal successors, (1170), 5 states have internal predecessors, (1170), 0 states have call successors, (0), 0 states 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 03:42:57,815 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:42:57,815 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 557 [2023-08-29 03:42:57,816 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:42:58,083 INFO L130 PetriNetUnfolder]: 744/1390 cut-off events. [2023-08-29 03:42:58,084 INFO L131 PetriNetUnfolder]: For 116/116 co-relation queries the response was YES. [2023-08-29 03:42:58,087 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2648 conditions, 1390 events. 744/1390 cut-off events. For 116/116 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 7545 event pairs, 279 based on Foata normal form. 0/1220 useless extension candidates. Maximal degree in co-relation 2643. Up to 637 conditions per place. [2023-08-29 03:42:58,093 INFO L137 encePairwiseOnDemand]: 551/557 looper letters, 38 selfloop transitions, 5 changer transitions 0/63 dead transitions. [2023-08-29 03:42:58,095 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 63 transitions, 245 flow [2023-08-29 03:42:58,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-29 03:42:58,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-29 03:42:58,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1198 transitions. [2023-08-29 03:42:58,100 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4301615798922801 [2023-08-29 03:42:58,100 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1198 transitions. [2023-08-29 03:42:58,100 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1198 transitions. [2023-08-29 03:42:58,101 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:42:58,101 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1198 transitions. [2023-08-29 03:42:58,104 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 239.6) internal successors, (1198), 5 states have internal predecessors, (1198), 0 states have call successors, (0), 0 states 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 03:42:58,108 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 557.0) internal successors, (3342), 6 states have internal predecessors, (3342), 0 states have call successors, (0), 0 states 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 03:42:58,109 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 557.0) internal successors, (3342), 6 states have internal predecessors, (3342), 0 states have call successors, (0), 0 states 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 03:42:58,109 INFO L175 Difference]: Start difference. First operand has 56 places, 49 transitions, 127 flow. Second operand 5 states and 1198 transitions. [2023-08-29 03:42:58,110 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 63 transitions, 245 flow [2023-08-29 03:42:58,112 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 63 transitions, 236 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-29 03:42:58,112 INFO L231 Difference]: Finished difference. Result has 58 places, 50 transitions, 143 flow [2023-08-29 03:42:58,113 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=557, PETRI_DIFFERENCE_MINUEND_FLOW=120, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=143, PETRI_PLACES=58, PETRI_TRANSITIONS=50} [2023-08-29 03:42:58,113 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, -31 predicate places. [2023-08-29 03:42:58,113 INFO L495 AbstractCegarLoop]: Abstraction has has 58 places, 50 transitions, 143 flow [2023-08-29 03:42:58,114 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 234.0) internal successors, (1170), 5 states have internal predecessors, (1170), 0 states have call successors, (0), 0 states 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 03:42:58,114 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:42:58,114 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:42:58,124 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-08-29 03:42:58,314 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-08-29 03:42:58,315 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2023-08-29 03:42:58,315 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:42:58,315 INFO L85 PathProgramCache]: Analyzing trace with hash -2068386683, now seen corresponding path program 1 times [2023-08-29 03:42:58,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:42:58,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984753625] [2023-08-29 03:42:58,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:42:58,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:42:58,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:42:58,695 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-08-29 03:42:58,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:42:58,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984753625] [2023-08-29 03:42:58,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984753625] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:42:58,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:42:58,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 03:42:58,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551029795] [2023-08-29 03:42:58,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:42:58,697 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 03:42:58,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:42:58,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 03:42:58,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 03:42:58,836 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 232 out of 557 [2023-08-29 03:42:58,837 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 50 transitions, 143 flow. Second operand has 6 states, 6 states have (on average 235.33333333333334) internal successors, (1412), 6 states have internal predecessors, (1412), 0 states have call successors, (0), 0 states 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 03:42:58,837 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:42:58,838 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 232 of 557 [2023-08-29 03:42:58,838 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:42:59,313 INFO L130 PetriNetUnfolder]: 797/1471 cut-off events. [2023-08-29 03:42:59,314 INFO L131 PetriNetUnfolder]: For 414/508 co-relation queries the response was YES. [2023-08-29 03:42:59,316 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2987 conditions, 1471 events. 797/1471 cut-off events. For 414/508 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 8526 event pairs, 370 based on Foata normal form. 94/1454 useless extension candidates. Maximal degree in co-relation 2980. Up to 786 conditions per place. [2023-08-29 03:42:59,322 INFO L137 encePairwiseOnDemand]: 552/557 looper letters, 61 selfloop transitions, 4 changer transitions 0/81 dead transitions. [2023-08-29 03:42:59,322 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 81 transitions, 335 flow [2023-08-29 03:42:59,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 03:42:59,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 03:42:59,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1455 transitions. [2023-08-29 03:42:59,327 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4353680430879713 [2023-08-29 03:42:59,327 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1455 transitions. [2023-08-29 03:42:59,327 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1455 transitions. [2023-08-29 03:42:59,328 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:42:59,328 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1455 transitions. [2023-08-29 03:42:59,331 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 242.5) internal successors, (1455), 6 states have internal predecessors, (1455), 0 states have call successors, (0), 0 states 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 03:42:59,335 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 557.0) internal successors, (3899), 7 states have internal predecessors, (3899), 0 states have call successors, (0), 0 states 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 03:42:59,336 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 557.0) internal successors, (3899), 7 states have internal predecessors, (3899), 0 states have call successors, (0), 0 states 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 03:42:59,336 INFO L175 Difference]: Start difference. First operand has 58 places, 50 transitions, 143 flow. Second operand 6 states and 1455 transitions. [2023-08-29 03:42:59,337 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 81 transitions, 335 flow [2023-08-29 03:42:59,338 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 81 transitions, 329 flow, removed 1 selfloop flow, removed 2 redundant places. [2023-08-29 03:42:59,339 INFO L231 Difference]: Finished difference. Result has 60 places, 49 transitions, 143 flow [2023-08-29 03:42:59,339 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=557, PETRI_DIFFERENCE_MINUEND_FLOW=135, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=143, PETRI_PLACES=60, PETRI_TRANSITIONS=49} [2023-08-29 03:42:59,340 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, -29 predicate places. [2023-08-29 03:42:59,340 INFO L495 AbstractCegarLoop]: Abstraction has has 60 places, 49 transitions, 143 flow [2023-08-29 03:42:59,340 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 235.33333333333334) internal successors, (1412), 6 states have internal predecessors, (1412), 0 states have call successors, (0), 0 states 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 03:42:59,341 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:42:59,341 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:42:59,341 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-29 03:42:59,341 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2023-08-29 03:42:59,341 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:42:59,342 INFO L85 PathProgramCache]: Analyzing trace with hash -1526186663, now seen corresponding path program 1 times [2023-08-29 03:42:59,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:42:59,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201728421] [2023-08-29 03:42:59,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:42:59,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:42:59,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:42:59,746 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-08-29 03:42:59,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:42:59,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201728421] [2023-08-29 03:42:59,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1201728421] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:42:59,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:42:59,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 03:42:59,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727933013] [2023-08-29 03:42:59,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:42:59,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 03:42:59,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:42:59,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 03:42:59,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 03:42:59,920 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 232 out of 557 [2023-08-29 03:42:59,921 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 49 transitions, 143 flow. Second operand has 6 states, 6 states have (on average 235.83333333333334) internal successors, (1415), 6 states have internal predecessors, (1415), 0 states have call successors, (0), 0 states 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 03:42:59,921 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:42:59,921 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 232 of 557 [2023-08-29 03:42:59,921 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:43:00,255 INFO L130 PetriNetUnfolder]: 637/1306 cut-off events. [2023-08-29 03:43:00,256 INFO L131 PetriNetUnfolder]: For 331/425 co-relation queries the response was YES. [2023-08-29 03:43:00,259 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2630 conditions, 1306 events. 637/1306 cut-off events. For 331/425 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 7841 event pairs, 405 based on Foata normal form. 94/1302 useless extension candidates. Maximal degree in co-relation 2623. Up to 861 conditions per place. [2023-08-29 03:43:00,260 INFO L137 encePairwiseOnDemand]: 552/557 looper letters, 0 selfloop transitions, 0 changer transitions 68/68 dead transitions. [2023-08-29 03:43:00,260 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 68 transitions, 287 flow [2023-08-29 03:43:00,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 03:43:00,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 03:43:00,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1443 transitions. [2023-08-29 03:43:00,265 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43177737881508077 [2023-08-29 03:43:00,265 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1443 transitions. [2023-08-29 03:43:00,265 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1443 transitions. [2023-08-29 03:43:00,266 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:43:00,267 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1443 transitions. [2023-08-29 03:43:00,269 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 240.5) internal successors, (1443), 6 states have internal predecessors, (1443), 0 states have call successors, (0), 0 states 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 03:43:00,275 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 557.0) internal successors, (3899), 7 states have internal predecessors, (3899), 0 states have call successors, (0), 0 states 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 03:43:00,276 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 557.0) internal successors, (3899), 7 states have internal predecessors, (3899), 0 states have call successors, (0), 0 states 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 03:43:00,276 INFO L175 Difference]: Start difference. First operand has 60 places, 49 transitions, 143 flow. Second operand 6 states and 1443 transitions. [2023-08-29 03:43:00,276 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 68 transitions, 287 flow [2023-08-29 03:43:00,279 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 68 transitions, 280 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-29 03:43:00,280 INFO L231 Difference]: Finished difference. Result has 60 places, 0 transitions, 0 flow [2023-08-29 03:43:00,280 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=557, PETRI_DIFFERENCE_MINUEND_FLOW=134, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=60, PETRI_TRANSITIONS=0} [2023-08-29 03:43:00,283 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, -29 predicate places. [2023-08-29 03:43:00,283 INFO L495 AbstractCegarLoop]: Abstraction has has 60 places, 0 transitions, 0 flow [2023-08-29 03:43:00,284 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 235.83333333333334) internal successors, (1415), 6 states have internal predecessors, (1415), 0 states have call successors, (0), 0 states 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 03:43:00,286 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (62 of 63 remaining) [2023-08-29 03:43:00,286 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (61 of 63 remaining) [2023-08-29 03:43:00,287 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (60 of 63 remaining) [2023-08-29 03:43:00,289 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (59 of 63 remaining) [2023-08-29 03:43:00,289 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (58 of 63 remaining) [2023-08-29 03:43:00,289 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (57 of 63 remaining) [2023-08-29 03:43:00,290 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (56 of 63 remaining) [2023-08-29 03:43:00,291 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (55 of 63 remaining) [2023-08-29 03:43:00,291 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (54 of 63 remaining) [2023-08-29 03:43:00,291 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (53 of 63 remaining) [2023-08-29 03:43:00,291 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (52 of 63 remaining) [2023-08-29 03:43:00,292 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (51 of 63 remaining) [2023-08-29 03:43:00,292 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (50 of 63 remaining) [2023-08-29 03:43:00,293 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (49 of 63 remaining) [2023-08-29 03:43:00,293 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (48 of 63 remaining) [2023-08-29 03:43:00,293 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (47 of 63 remaining) [2023-08-29 03:43:00,293 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (46 of 63 remaining) [2023-08-29 03:43:00,295 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (45 of 63 remaining) [2023-08-29 03:43:00,295 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (44 of 63 remaining) [2023-08-29 03:43:00,295 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (43 of 63 remaining) [2023-08-29 03:43:00,295 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (42 of 63 remaining) [2023-08-29 03:43:00,295 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (41 of 63 remaining) [2023-08-29 03:43:00,296 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (40 of 63 remaining) [2023-08-29 03:43:00,296 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (39 of 63 remaining) [2023-08-29 03:43:00,296 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (38 of 63 remaining) [2023-08-29 03:43:00,296 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (37 of 63 remaining) [2023-08-29 03:43:00,297 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (36 of 63 remaining) [2023-08-29 03:43:00,297 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (35 of 63 remaining) [2023-08-29 03:43:00,297 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (34 of 63 remaining) [2023-08-29 03:43:00,297 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (33 of 63 remaining) [2023-08-29 03:43:00,297 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (32 of 63 remaining) [2023-08-29 03:43:00,297 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (31 of 63 remaining) [2023-08-29 03:43:00,298 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (30 of 63 remaining) [2023-08-29 03:43:00,298 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (29 of 63 remaining) [2023-08-29 03:43:00,299 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (28 of 63 remaining) [2023-08-29 03:43:00,299 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (27 of 63 remaining) [2023-08-29 03:43:00,299 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (26 of 63 remaining) [2023-08-29 03:43:00,300 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (25 of 63 remaining) [2023-08-29 03:43:00,300 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 63 remaining) [2023-08-29 03:43:00,300 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 63 remaining) [2023-08-29 03:43:00,300 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (22 of 63 remaining) [2023-08-29 03:43:00,300 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (21 of 63 remaining) [2023-08-29 03:43:00,301 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (20 of 63 remaining) [2023-08-29 03:43:00,301 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (19 of 63 remaining) [2023-08-29 03:43:00,301 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (18 of 63 remaining) [2023-08-29 03:43:00,301 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (17 of 63 remaining) [2023-08-29 03:43:00,302 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (16 of 63 remaining) [2023-08-29 03:43:00,302 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (15 of 63 remaining) [2023-08-29 03:43:00,302 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (14 of 63 remaining) [2023-08-29 03:43:00,302 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (13 of 63 remaining) [2023-08-29 03:43:00,302 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (12 of 63 remaining) [2023-08-29 03:43:00,302 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (11 of 63 remaining) [2023-08-29 03:43:00,303 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (10 of 63 remaining) [2023-08-29 03:43:00,303 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (9 of 63 remaining) [2023-08-29 03:43:00,303 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (8 of 63 remaining) [2023-08-29 03:43:00,303 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (7 of 63 remaining) [2023-08-29 03:43:00,303 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (6 of 63 remaining) [2023-08-29 03:43:00,303 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (5 of 63 remaining) [2023-08-29 03:43:00,304 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (4 of 63 remaining) [2023-08-29 03:43:00,304 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (3 of 63 remaining) [2023-08-29 03:43:00,304 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (2 of 63 remaining) [2023-08-29 03:43:00,304 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (1 of 63 remaining) [2023-08-29 03:43:00,304 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (0 of 63 remaining) [2023-08-29 03:43:00,304 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-29 03:43:00,305 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 03:43:00,310 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-29 03:43:00,310 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-29 03:43:00,313 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 03:43:00 BasicIcfg [2023-08-29 03:43:00,314 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-29 03:43:00,314 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-29 03:43:00,314 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-29 03:43:00,315 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-29 03:43:00,315 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:42:42" (3/4) ... [2023-08-29 03:43:00,317 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-29 03:43:00,321 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-08-29 03:43:00,321 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-08-29 03:43:00,321 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-08-29 03:43:00,328 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2023-08-29 03:43:00,328 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-08-29 03:43:00,329 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-29 03:43:00,329 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-29 03:43:00,384 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-29 03:43:00,384 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-29 03:43:00,385 INFO L158 Benchmark]: Toolchain (without parser) took 19657.11ms. Allocated memory was 86.0MB in the beginning and 302.0MB in the end (delta: 216.0MB). Free memory was 64.9MB in the beginning and 105.5MB in the end (delta: -40.6MB). Peak memory consumption was 173.9MB. Max. memory is 16.1GB. [2023-08-29 03:43:00,385 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 62.9MB. Free memory is still 40.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 03:43:00,385 INFO L158 Benchmark]: CACSL2BoogieTranslator took 354.98ms. Allocated memory is still 86.0MB. Free memory was 64.6MB in the beginning and 52.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-29 03:43:00,385 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.18ms. Allocated memory is still 86.0MB. Free memory was 51.8MB in the beginning and 48.2MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-29 03:43:00,386 INFO L158 Benchmark]: Boogie Preprocessor took 70.42ms. Allocated memory is still 86.0MB. Free memory was 48.2MB in the beginning and 45.0MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 03:43:00,386 INFO L158 Benchmark]: RCFGBuilder took 1136.10ms. Allocated memory is still 86.0MB. Free memory was 45.0MB in the beginning and 33.3MB in the end (delta: 11.8MB). Peak memory consumption was 23.3MB. Max. memory is 16.1GB. [2023-08-29 03:43:00,386 INFO L158 Benchmark]: TraceAbstraction took 17954.98ms. Allocated memory was 86.0MB in the beginning and 302.0MB in the end (delta: 216.0MB). Free memory was 32.1MB in the beginning and 109.7MB in the end (delta: -77.6MB). Peak memory consumption was 138.0MB. Max. memory is 16.1GB. [2023-08-29 03:43:00,387 INFO L158 Benchmark]: Witness Printer took 69.88ms. Allocated memory is still 302.0MB. Free memory was 109.7MB in the beginning and 105.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-29 03:43:00,388 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 40.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 354.98ms. Allocated memory is still 86.0MB. Free memory was 64.6MB in the beginning and 52.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.18ms. Allocated memory is still 86.0MB. Free memory was 51.8MB in the beginning and 48.2MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.42ms. Allocated memory is still 86.0MB. Free memory was 48.2MB in the beginning and 45.0MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1136.10ms. Allocated memory is still 86.0MB. Free memory was 45.0MB in the beginning and 33.3MB in the end (delta: 11.8MB). Peak memory consumption was 23.3MB. Max. memory is 16.1GB. * TraceAbstraction took 17954.98ms. Allocated memory was 86.0MB in the beginning and 302.0MB in the end (delta: 216.0MB). Free memory was 32.1MB in the beginning and 109.7MB in the end (delta: -77.6MB). Peak memory consumption was 138.0MB. Max. memory is 16.1GB. * Witness Printer took 69.88ms. Allocated memory is still 302.0MB. Free memory was 109.7MB in the beginning and 105.5MB 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: 11.1s, 265 PlacesBefore, 89 PlacesAfterwards, 271 TransitionsBefore, 87 TransitionsAfterwards, 5682 CoEnabledTransitionPairs, 8 FixpointIterations, 179 TrivialSequentialCompositions, 43 ConcurrentSequentialCompositions, 27 TrivialYvCompositions, 9 ConcurrentYvCompositions, 8 ChoiceCompositions, 266 TotalNumberOfCompositions, 39645 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 14268, independent: 13401, independent conditional: 0, independent unconditional: 13401, dependent: 867, dependent conditional: 0, dependent unconditional: 867, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2944, independent: 2852, independent conditional: 0, independent unconditional: 2852, dependent: 92, dependent conditional: 0, dependent unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 14268, independent: 10549, independent conditional: 0, independent unconditional: 10549, dependent: 775, dependent conditional: 0, dependent unconditional: 775, unknown: 2944, unknown conditional: 0, unknown unconditional: 2944] , Statistics on independence cache: Total cache size (in pairs): 725, Positive cache size: 667, Positive conditional cache size: 0, Positive unconditional cache size: 667, Negative cache size: 58, Negative conditional cache size: 0, Negative unconditional cache size: 58, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 48]: 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: 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: 53]: 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: 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: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 117]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 117]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 102]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: 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 - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 338 locations, 63 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: 17.8s, OverallIterations: 8, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 11.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 836 SdHoareTripleChecker+Valid, 2.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 514 mSDsluCounter, 178 SdHoareTripleChecker+Invalid, 1.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 64 mSDsCounter, 198 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1499 IncrementalHoareTripleChecker+Invalid, 1697 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 198 mSolverCounterUnsat, 114 mSDtfsCounter, 1499 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 75 GetRequests, 48 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=192occurred in iteration=0, InterpolantAutomatonStates: 35, 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, 0.2s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 156 NumberOfCodeBlocks, 156 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 170 ConstructedInterpolants, 0 QuantifiedInterpolants, 505 SizeOfPredicates, 4 NumberOfNonLiveVariables, 293 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 10 InterpolantComputations, 8 PerfectInterpolantSequences, 14/16 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 38 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-29 03:43:00,422 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