./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/weaver/chl-sre-symm.wvr.c --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations BEFORE --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/weaver/chl-sre-symm.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 c361ebc03d879240d418527d643e8a7b3c7ac084ceb3e66857b21a687a1c7f90 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations BEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-31 21:35:52,681 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-31 21:35:52,682 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-31 21:35:52,703 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-31 21:35:52,706 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-31 21:35:52,708 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-31 21:35:52,711 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-31 21:35:52,713 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-31 21:35:52,714 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-31 21:35:52,717 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-31 21:35:52,718 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-31 21:35:52,720 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-31 21:35:52,720 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-31 21:35:52,722 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-31 21:35:52,723 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-31 21:35:52,726 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-31 21:35:52,727 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-31 21:35:52,728 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-31 21:35:52,729 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-31 21:35:52,733 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-31 21:35:52,733 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-31 21:35:52,734 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-31 21:35:52,735 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-31 21:35:52,735 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-31 21:35:52,740 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-31 21:35:52,740 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-31 21:35:52,740 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-31 21:35:52,742 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-31 21:35:52,742 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-31 21:35:52,743 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-31 21:35:52,743 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-31 21:35:52,744 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-31 21:35:52,746 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-31 21:35:52,746 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-31 21:35:52,747 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-31 21:35:52,747 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-31 21:35:52,747 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-31 21:35:52,748 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-31 21:35:52,748 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-31 21:35:52,748 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-31 21:35:52,749 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-31 21:35:52,750 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-31 21:35:52,778 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-31 21:35:52,779 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-31 21:35:52,780 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-31 21:35:52,780 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-31 21:35:52,780 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-31 21:35:52,780 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-31 21:35:52,781 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-31 21:35:52,781 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-31 21:35:52,781 INFO L138 SettingsManager]: * Use SBE=true [2023-08-31 21:35:52,781 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-31 21:35:52,782 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-31 21:35:52,782 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-31 21:35:52,782 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-31 21:35:52,782 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-31 21:35:52,783 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-31 21:35:52,783 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-31 21:35:52,783 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-31 21:35:52,783 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-31 21:35:52,783 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-31 21:35:52,783 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-31 21:35:52,783 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-31 21:35:52,783 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-31 21:35:52,784 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-31 21:35:52,784 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-31 21:35:52,784 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-31 21:35:52,784 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-31 21:35:52,784 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-31 21:35:52,784 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-31 21:35:52,784 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-31 21:35:52,784 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-31 21:35:52,785 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-31 21:35:52,785 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-31 21:35:52,785 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-31 21:35:52,785 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-31 21:35:52,785 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-31 21:35:52,785 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-31 21:35:52,785 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-31 21:35:52,786 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c361ebc03d879240d418527d643e8a7b3c7ac084ceb3e66857b21a687a1c7f90 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> BEFORE [2023-08-31 21:35:53,028 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-31 21:35:53,059 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-31 21:35:53,060 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-31 21:35:53,061 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-31 21:35:53,063 INFO L275 PluginConnector]: CDTParser initialized [2023-08-31 21:35:53,063 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-sre-symm.wvr.c [2023-08-31 21:35:53,942 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-31 21:35:54,121 INFO L351 CDTParser]: Found 1 translation units. [2023-08-31 21:35:54,122 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-sre-symm.wvr.c [2023-08-31 21:35:54,127 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/940bb2146/da617af35c86497b9e2d546e8317f3b8/FLAG35b8f8027 [2023-08-31 21:35:54,142 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/940bb2146/da617af35c86497b9e2d546e8317f3b8 [2023-08-31 21:35:54,143 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-31 21:35:54,144 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-31 21:35:54,145 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-31 21:35:54,145 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-31 21:35:54,150 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-31 21:35:54,150 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 09:35:54" (1/1) ... [2023-08-31 21:35:54,151 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f19452 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:35:54, skipping insertion in model container [2023-08-31 21:35:54,152 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 09:35:54" (1/1) ... [2023-08-31 21:35:54,155 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-31 21:35:54,168 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-31 21:35:54,290 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-sre-symm.wvr.c[2133,2146] [2023-08-31 21:35:54,291 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-31 21:35:54,297 INFO L203 MainTranslator]: Completed pre-run [2023-08-31 21:35:54,310 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-sre-symm.wvr.c[2133,2146] [2023-08-31 21:35:54,313 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-31 21:35:54,321 INFO L208 MainTranslator]: Completed translation [2023-08-31 21:35:54,322 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:35:54 WrapperNode [2023-08-31 21:35:54,322 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-31 21:35:54,323 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-31 21:35:54,323 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-31 21:35:54,323 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-31 21:35:54,327 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:35:54" (1/1) ... [2023-08-31 21:35:54,332 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:35:54" (1/1) ... [2023-08-31 21:35:54,349 INFO L138 Inliner]: procedures = 21, calls = 21, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 104 [2023-08-31 21:35:54,350 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-31 21:35:54,350 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-31 21:35:54,350 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-31 21:35:54,350 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-31 21:35:54,356 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:35:54" (1/1) ... [2023-08-31 21:35:54,356 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:35:54" (1/1) ... [2023-08-31 21:35:54,358 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:35:54" (1/1) ... [2023-08-31 21:35:54,358 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:35:54" (1/1) ... [2023-08-31 21:35:54,363 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:35:54" (1/1) ... [2023-08-31 21:35:54,364 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:35:54" (1/1) ... [2023-08-31 21:35:54,365 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:35:54" (1/1) ... [2023-08-31 21:35:54,366 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:35:54" (1/1) ... [2023-08-31 21:35:54,367 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-31 21:35:54,368 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-31 21:35:54,368 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-31 21:35:54,368 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-31 21:35:54,368 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:35:54" (1/1) ... [2023-08-31 21:35:54,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-31 21:35:54,382 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-31 21:35:54,390 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-31 21:35:54,397 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-31 21:35:54,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-31 21:35:54,416 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-31 21:35:54,417 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-31 21:35:54,417 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-31 21:35:54,417 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-31 21:35:54,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-31 21:35:54,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-31 21:35:54,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-31 21:35:54,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-31 21:35:54,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-31 21:35:54,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-31 21:35:54,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-31 21:35:54,419 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-31 21:35:54,477 INFO L236 CfgBuilder]: Building ICFG [2023-08-31 21:35:54,479 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-31 21:35:54,713 INFO L277 CfgBuilder]: Performing block encoding [2023-08-31 21:35:54,727 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-31 21:35:54,727 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-31 21:35:54,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 09:35:54 BoogieIcfgContainer [2023-08-31 21:35:54,729 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-31 21:35:54,731 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-31 21:35:54,731 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-31 21:35:54,734 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-31 21:35:54,734 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.08 09:35:54" (1/3) ... [2023-08-31 21:35:54,734 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@278eb5dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.08 09:35:54, skipping insertion in model container [2023-08-31 21:35:54,735 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:35:54" (2/3) ... [2023-08-31 21:35:54,735 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@278eb5dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.08 09:35:54, skipping insertion in model container [2023-08-31 21:35:54,735 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 09:35:54" (3/3) ... [2023-08-31 21:35:54,737 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-sre-symm.wvr.c [2023-08-31 21:35:54,742 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-31 21:35:54,748 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-31 21:35:54,748 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2023-08-31 21:35:54,749 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-31 21:35:54,819 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-31 21:35:54,842 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 165 places, 166 transitions, 348 flow [2023-08-31 21:35:54,887 INFO L130 PetriNetUnfolder]: 8/164 cut-off events. [2023-08-31 21:35:54,887 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-31 21:35:54,891 INFO L83 FinitePrefix]: Finished finitePrefix Result has 173 conditions, 164 events. 8/164 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 178 event pairs, 0 based on Foata normal form. 0/138 useless extension candidates. Maximal degree in co-relation 92. Up to 2 conditions per place. [2023-08-31 21:35:54,891 INFO L82 GeneralOperation]: Start removeDead. Operand has 165 places, 166 transitions, 348 flow [2023-08-31 21:35:54,894 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 147 places, 146 transitions, 304 flow [2023-08-31 21:35:54,896 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-31 21:35:54,901 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 147 places, 146 transitions, 304 flow [2023-08-31 21:35:54,902 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 147 places, 146 transitions, 304 flow [2023-08-31 21:35:54,903 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 147 places, 146 transitions, 304 flow [2023-08-31 21:35:54,920 INFO L130 PetriNetUnfolder]: 6/146 cut-off events. [2023-08-31 21:35:54,920 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-31 21:35:54,921 INFO L83 FinitePrefix]: Finished finitePrefix Result has 155 conditions, 146 events. 6/146 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 167 event pairs, 0 based on Foata normal form. 0/123 useless extension candidates. Maximal degree in co-relation 74. Up to 2 conditions per place. [2023-08-31 21:35:54,922 INFO L119 LiptonReduction]: Number of co-enabled transitions 2420 [2023-08-31 21:35:57,910 INFO L134 LiptonReduction]: Checked pairs total: 8801 [2023-08-31 21:35:57,911 INFO L136 LiptonReduction]: Total number of compositions: 150 [2023-08-31 21:35:57,920 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-31 21:35:57,923 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;@1d134be4, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-31 21:35:57,924 INFO L358 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2023-08-31 21:35:57,925 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-31 21:35:57,925 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-31 21:35:57,925 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:35:57,925 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-31 21:35:57,926 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-08-31 21:35:57,928 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:35:57,929 INFO L85 PathProgramCache]: Analyzing trace with hash 583, now seen corresponding path program 1 times [2023-08-31 21:35:57,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:35:57,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415433506] [2023-08-31 21:35:57,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:35:57,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:35:57,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:35:57,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:35:57,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:35:57,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415433506] [2023-08-31 21:35:57,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415433506] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:35:57,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:35:57,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-31 21:35:57,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927402215] [2023-08-31 21:35:57,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:35:57,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-31 21:35:57,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:35:58,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-31 21:35:58,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-31 21:35:58,018 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 158 out of 316 [2023-08-31 21:35:58,022 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 42 transitions, 96 flow. Second operand has 2 states, 2 states have (on average 158.5) internal successors, (317), 2 states have internal predecessors, (317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:35:58,022 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:35:58,022 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 158 of 316 [2023-08-31 21:35:58,023 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:35:58,079 INFO L130 PetriNetUnfolder]: 65/144 cut-off events. [2023-08-31 21:35:58,079 INFO L131 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2023-08-31 21:35:58,081 INFO L83 FinitePrefix]: Finished finitePrefix Result has 278 conditions, 144 events. 65/144 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 615 event pairs, 45 based on Foata normal form. 1/121 useless extension candidates. Maximal degree in co-relation 229. Up to 116 conditions per place. [2023-08-31 21:35:58,082 INFO L137 encePairwiseOnDemand]: 305/316 looper letters, 15 selfloop transitions, 0 changer transitions 1/31 dead transitions. [2023-08-31 21:35:58,083 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 31 transitions, 106 flow [2023-08-31 21:35:58,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-31 21:35:58,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-31 21:35:58,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 343 transitions. [2023-08-31 21:35:58,097 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5427215189873418 [2023-08-31 21:35:58,097 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 343 transitions. [2023-08-31 21:35:58,098 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 343 transitions. [2023-08-31 21:35:58,100 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:35:58,101 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 343 transitions. [2023-08-31 21:35:58,106 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 171.5) internal successors, (343), 2 states have internal predecessors, (343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:35:58,108 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 316.0) internal successors, (948), 3 states have internal predecessors, (948), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:35:58,109 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 316.0) internal successors, (948), 3 states have internal predecessors, (948), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:35:58,110 INFO L175 Difference]: Start difference. First operand has 47 places, 42 transitions, 96 flow. Second operand 2 states and 343 transitions. [2023-08-31 21:35:58,111 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 31 transitions, 106 flow [2023-08-31 21:35:58,113 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 31 transitions, 98 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-31 21:35:58,114 INFO L231 Difference]: Finished difference. Result has 33 places, 30 transitions, 63 flow [2023-08-31 21:35:58,115 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=316, PETRI_DIFFERENCE_MINUEND_FLOW=66, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=63, PETRI_PLACES=33, PETRI_TRANSITIONS=30} [2023-08-31 21:35:58,117 INFO L281 CegarLoopForPetriNet]: 47 programPoint places, -14 predicate places. [2023-08-31 21:35:58,117 INFO L495 AbstractCegarLoop]: Abstraction has has 33 places, 30 transitions, 63 flow [2023-08-31 21:35:58,118 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 158.5) internal successors, (317), 2 states have internal predecessors, (317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:35:58,118 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:35:58,118 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2023-08-31 21:35:58,118 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-31 21:35:58,119 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-08-31 21:35:58,125 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:35:58,127 INFO L85 PathProgramCache]: Analyzing trace with hash 17949611, now seen corresponding path program 1 times [2023-08-31 21:35:58,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:35:58,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608503273] [2023-08-31 21:35:58,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:35:58,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:35:58,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:35:58,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:35:58,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:35:58,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608503273] [2023-08-31 21:35:58,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1608503273] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:35:58,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:35:58,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:35:58,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984519152] [2023-08-31 21:35:58,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:35:58,203 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:35:58,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:35:58,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:35:58,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:35:58,213 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 148 out of 316 [2023-08-31 21:35:58,214 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 30 transitions, 63 flow. Second operand has 3 states, 3 states have (on average 149.33333333333334) internal successors, (448), 3 states have internal predecessors, (448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:35:58,214 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:35:58,214 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 148 of 316 [2023-08-31 21:35:58,214 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:35:58,246 INFO L130 PetriNetUnfolder]: 133/258 cut-off events. [2023-08-31 21:35:58,248 INFO L131 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2023-08-31 21:35:58,249 INFO L83 FinitePrefix]: Finished finitePrefix Result has 498 conditions, 258 events. 133/258 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 1001 event pairs, 50 based on Foata normal form. 0/233 useless extension candidates. Maximal degree in co-relation 495. Up to 225 conditions per place. [2023-08-31 21:35:58,250 INFO L137 encePairwiseOnDemand]: 311/316 looper letters, 22 selfloop transitions, 2 changer transitions 0/32 dead transitions. [2023-08-31 21:35:58,251 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 32 transitions, 116 flow [2023-08-31 21:35:58,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:35:58,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:35:58,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 471 transitions. [2023-08-31 21:35:58,253 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49683544303797467 [2023-08-31 21:35:58,253 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 471 transitions. [2023-08-31 21:35:58,253 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 471 transitions. [2023-08-31 21:35:58,253 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:35:58,253 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 471 transitions. [2023-08-31 21:35:58,254 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 157.0) internal successors, (471), 3 states have internal predecessors, (471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:35:58,256 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 316.0) internal successors, (1264), 4 states have internal predecessors, (1264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:35:58,257 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 316.0) internal successors, (1264), 4 states have internal predecessors, (1264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:35:58,257 INFO L175 Difference]: Start difference. First operand has 33 places, 30 transitions, 63 flow. Second operand 3 states and 471 transitions. [2023-08-31 21:35:58,257 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 32 transitions, 116 flow [2023-08-31 21:35:58,257 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 32 transitions, 116 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 21:35:58,258 INFO L231 Difference]: Finished difference. Result has 32 places, 29 transitions, 71 flow [2023-08-31 21:35:58,258 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=316, PETRI_DIFFERENCE_MINUEND_FLOW=57, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=71, PETRI_PLACES=32, PETRI_TRANSITIONS=29} [2023-08-31 21:35:58,258 INFO L281 CegarLoopForPetriNet]: 47 programPoint places, -15 predicate places. [2023-08-31 21:35:58,259 INFO L495 AbstractCegarLoop]: Abstraction has has 32 places, 29 transitions, 71 flow [2023-08-31 21:35:58,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 149.33333333333334) internal successors, (448), 3 states have internal predecessors, (448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:35:58,259 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:35:58,259 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-31 21:35:58,259 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-31 21:35:58,260 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-08-31 21:35:58,260 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:35:58,260 INFO L85 PathProgramCache]: Analyzing trace with hash 69719629, now seen corresponding path program 1 times [2023-08-31 21:35:58,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:35:58,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063044092] [2023-08-31 21:35:58,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:35:58,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:35:58,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:35:58,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:35:58,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:35:58,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063044092] [2023-08-31 21:35:58,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1063044092] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:35:58,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:35:58,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:35:58,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991231913] [2023-08-31 21:35:58,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:35:58,283 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:35:58,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:35:58,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:35:58,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:35:58,292 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 148 out of 316 [2023-08-31 21:35:58,293 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 29 transitions, 71 flow. Second operand has 3 states, 3 states have (on average 149.33333333333334) internal successors, (448), 3 states have internal predecessors, (448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:35:58,293 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:35:58,293 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 148 of 316 [2023-08-31 21:35:58,293 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:35:58,331 INFO L130 PetriNetUnfolder]: 140/277 cut-off events. [2023-08-31 21:35:58,332 INFO L131 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2023-08-31 21:35:58,332 INFO L83 FinitePrefix]: Finished finitePrefix Result has 549 conditions, 277 events. 140/277 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1087 event pairs, 50 based on Foata normal form. 0/261 useless extension candidates. Maximal degree in co-relation 545. Up to 236 conditions per place. [2023-08-31 21:35:58,333 INFO L137 encePairwiseOnDemand]: 311/316 looper letters, 19 selfloop transitions, 2 changer transitions 3/31 dead transitions. [2023-08-31 21:35:58,333 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 31 transitions, 124 flow [2023-08-31 21:35:58,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:35:58,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:35:58,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 471 transitions. [2023-08-31 21:35:58,335 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49683544303797467 [2023-08-31 21:35:58,335 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 471 transitions. [2023-08-31 21:35:58,335 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 471 transitions. [2023-08-31 21:35:58,335 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:35:58,335 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 471 transitions. [2023-08-31 21:35:58,336 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 157.0) internal successors, (471), 3 states have internal predecessors, (471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:35:58,338 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 316.0) internal successors, (1264), 4 states have internal predecessors, (1264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:35:58,339 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 316.0) internal successors, (1264), 4 states have internal predecessors, (1264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:35:58,339 INFO L175 Difference]: Start difference. First operand has 32 places, 29 transitions, 71 flow. Second operand 3 states and 471 transitions. [2023-08-31 21:35:58,339 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 31 transitions, 124 flow [2023-08-31 21:35:58,340 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 31 transitions, 124 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 21:35:58,340 INFO L231 Difference]: Finished difference. Result has 32 places, 25 transitions, 72 flow [2023-08-31 21:35:58,340 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=316, PETRI_DIFFERENCE_MINUEND_FLOW=65, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=72, PETRI_PLACES=32, PETRI_TRANSITIONS=25} [2023-08-31 21:35:58,341 INFO L281 CegarLoopForPetriNet]: 47 programPoint places, -15 predicate places. [2023-08-31 21:35:58,343 INFO L495 AbstractCegarLoop]: Abstraction has has 32 places, 25 transitions, 72 flow [2023-08-31 21:35:58,344 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 149.33333333333334) internal successors, (448), 3 states have internal predecessors, (448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:35:58,344 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:35:58,348 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:35:58,348 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-31 21:35:58,349 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2023-08-31 21:35:58,349 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:35:58,349 INFO L85 PathProgramCache]: Analyzing trace with hash -2133653707, now seen corresponding path program 1 times [2023-08-31 21:35:58,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:35:58,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718333521] [2023-08-31 21:35:58,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:35:58,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:35:58,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:35:58,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:35:58,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:35:58,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718333521] [2023-08-31 21:35:58,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1718333521] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:35:58,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:35:58,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:35:58,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902350050] [2023-08-31 21:35:58,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:35:58,392 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:35:58,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:35:58,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:35:58,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:35:58,410 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 150 out of 316 [2023-08-31 21:35:58,411 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 25 transitions, 72 flow. Second operand has 3 states, 3 states have (on average 151.33333333333334) internal successors, (454), 3 states have internal predecessors, (454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:35:58,411 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:35:58,411 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 150 of 316 [2023-08-31 21:35:58,411 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:35:58,434 INFO L130 PetriNetUnfolder]: 55/116 cut-off events. [2023-08-31 21:35:58,434 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-31 21:35:58,435 INFO L83 FinitePrefix]: Finished finitePrefix Result has 236 conditions, 116 events. 55/116 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 414 event pairs, 21 based on Foata normal form. 10/111 useless extension candidates. Maximal degree in co-relation 231. Up to 63 conditions per place. [2023-08-31 21:35:58,435 INFO L137 encePairwiseOnDemand]: 313/316 looper letters, 0 selfloop transitions, 0 changer transitions 31/31 dead transitions. [2023-08-31 21:35:58,435 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 30 places, 31 transitions, 123 flow [2023-08-31 21:35:58,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:35:58,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:35:58,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 470 transitions. [2023-08-31 21:35:58,436 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4957805907172996 [2023-08-31 21:35:58,436 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 470 transitions. [2023-08-31 21:35:58,437 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 470 transitions. [2023-08-31 21:35:58,437 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:35:58,437 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 470 transitions. [2023-08-31 21:35:58,438 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 156.66666666666666) internal successors, (470), 3 states have internal predecessors, (470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:35:58,439 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 316.0) internal successors, (1264), 4 states have internal predecessors, (1264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:35:58,439 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 316.0) internal successors, (1264), 4 states have internal predecessors, (1264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:35:58,440 INFO L175 Difference]: Start difference. First operand has 32 places, 25 transitions, 72 flow. Second operand 3 states and 470 transitions. [2023-08-31 21:35:58,440 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 30 places, 31 transitions, 123 flow [2023-08-31 21:35:58,440 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 31 transitions, 123 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 21:35:58,440 INFO L231 Difference]: Finished difference. Result has 30 places, 0 transitions, 0 flow [2023-08-31 21:35:58,441 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=316, PETRI_DIFFERENCE_MINUEND_FLOW=70, PETRI_DIFFERENCE_MINUEND_PLACES=28, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=30, PETRI_TRANSITIONS=0} [2023-08-31 21:35:58,441 INFO L281 CegarLoopForPetriNet]: 47 programPoint places, -17 predicate places. [2023-08-31 21:35:58,441 INFO L495 AbstractCegarLoop]: Abstraction has has 30 places, 0 transitions, 0 flow [2023-08-31 21:35:58,442 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 151.33333333333334) internal successors, (454), 3 states have internal predecessors, (454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:35:58,443 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (27 of 28 remaining) [2023-08-31 21:35:58,444 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (26 of 28 remaining) [2023-08-31 21:35:58,444 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (25 of 28 remaining) [2023-08-31 21:35:58,444 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (24 of 28 remaining) [2023-08-31 21:35:58,444 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (23 of 28 remaining) [2023-08-31 21:35:58,444 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (22 of 28 remaining) [2023-08-31 21:35:58,444 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (21 of 28 remaining) [2023-08-31 21:35:58,444 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (20 of 28 remaining) [2023-08-31 21:35:58,445 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (19 of 28 remaining) [2023-08-31 21:35:58,445 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (18 of 28 remaining) [2023-08-31 21:35:58,445 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (17 of 28 remaining) [2023-08-31 21:35:58,445 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (16 of 28 remaining) [2023-08-31 21:35:58,445 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (15 of 28 remaining) [2023-08-31 21:35:58,445 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (14 of 28 remaining) [2023-08-31 21:35:58,446 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (13 of 28 remaining) [2023-08-31 21:35:58,446 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (12 of 28 remaining) [2023-08-31 21:35:58,446 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (11 of 28 remaining) [2023-08-31 21:35:58,446 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (10 of 28 remaining) [2023-08-31 21:35:58,446 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 28 remaining) [2023-08-31 21:35:58,446 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 28 remaining) [2023-08-31 21:35:58,447 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (7 of 28 remaining) [2023-08-31 21:35:58,447 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (6 of 28 remaining) [2023-08-31 21:35:58,447 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (5 of 28 remaining) [2023-08-31 21:35:58,447 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (4 of 28 remaining) [2023-08-31 21:35:58,447 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (3 of 28 remaining) [2023-08-31 21:35:58,447 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (2 of 28 remaining) [2023-08-31 21:35:58,447 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (1 of 28 remaining) [2023-08-31 21:35:58,448 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (0 of 28 remaining) [2023-08-31 21:35:58,448 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-31 21:35:58,448 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-08-31 21:35:58,451 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-31 21:35:58,451 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-31 21:35:58,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.08 09:35:58 BasicIcfg [2023-08-31 21:35:58,454 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-31 21:35:58,454 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-31 21:35:58,454 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-31 21:35:58,454 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-31 21:35:58,455 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 09:35:54" (3/4) ... [2023-08-31 21:35:58,456 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-31 21:35:58,459 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-08-31 21:35:58,460 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-08-31 21:35:58,462 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2023-08-31 21:35:58,463 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-08-31 21:35:58,463 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-31 21:35:58,463 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-31 21:35:58,487 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-31 21:35:58,487 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-31 21:35:58,488 INFO L158 Benchmark]: Toolchain (without parser) took 4343.63ms. Allocated memory was 107.0MB in the beginning and 134.2MB in the end (delta: 27.3MB). Free memory was 84.9MB in the beginning and 88.7MB in the end (delta: -3.8MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. [2023-08-31 21:35:58,488 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 77.6MB. Free memory is still 56.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-31 21:35:58,488 INFO L158 Benchmark]: CACSL2BoogieTranslator took 177.10ms. Allocated memory is still 107.0MB. Free memory was 84.7MB in the beginning and 73.7MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-08-31 21:35:58,488 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.17ms. Allocated memory is still 107.0MB. Free memory was 73.7MB in the beginning and 71.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-31 21:35:58,489 INFO L158 Benchmark]: Boogie Preprocessor took 16.94ms. Allocated memory is still 107.0MB. Free memory was 71.9MB in the beginning and 70.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-31 21:35:58,489 INFO L158 Benchmark]: RCFGBuilder took 361.79ms. Allocated memory is still 107.0MB. Free memory was 70.3MB in the beginning and 82.4MB in the end (delta: -12.1MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. [2023-08-31 21:35:58,489 INFO L158 Benchmark]: TraceAbstraction took 3722.42ms. Allocated memory was 107.0MB in the beginning and 134.2MB in the end (delta: 27.3MB). Free memory was 81.6MB in the beginning and 91.9MB in the end (delta: -10.3MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. [2023-08-31 21:35:58,489 INFO L158 Benchmark]: Witness Printer took 33.42ms. Allocated memory is still 134.2MB. Free memory was 91.9MB in the beginning and 88.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-31 21:35:58,490 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 77.6MB. Free memory is still 56.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 177.10ms. Allocated memory is still 107.0MB. Free memory was 84.7MB in the beginning and 73.7MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.17ms. Allocated memory is still 107.0MB. Free memory was 73.7MB in the beginning and 71.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 16.94ms. Allocated memory is still 107.0MB. Free memory was 71.9MB in the beginning and 70.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 361.79ms. Allocated memory is still 107.0MB. Free memory was 70.3MB in the beginning and 82.4MB in the end (delta: -12.1MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. * TraceAbstraction took 3722.42ms. Allocated memory was 107.0MB in the beginning and 134.2MB in the end (delta: 27.3MB). Free memory was 81.6MB in the beginning and 91.9MB in the end (delta: -10.3MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. * Witness Printer took 33.42ms. Allocated memory is still 134.2MB. Free memory was 91.9MB in the beginning and 88.7MB in the end (delta: 3.1MB). 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: 3.0s, 147 PlacesBefore, 47 PlacesAfterwards, 146 TransitionsBefore, 42 TransitionsAfterwards, 2420 CoEnabledTransitionPairs, 8 FixpointIterations, 88 TrivialSequentialCompositions, 43 ConcurrentSequentialCompositions, 9 TrivialYvCompositions, 6 ConcurrentYvCompositions, 4 ChoiceCompositions, 150 TotalNumberOfCompositions, 8801 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4187, independent: 3865, independent conditional: 0, independent unconditional: 3865, dependent: 322, dependent conditional: 0, dependent unconditional: 322, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1304, independent: 1274, independent conditional: 0, independent unconditional: 1274, dependent: 30, dependent conditional: 0, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4187, independent: 2591, independent conditional: 0, independent unconditional: 2591, dependent: 292, dependent conditional: 0, dependent unconditional: 292, unknown: 1304, unknown conditional: 0, unknown unconditional: 1304] , Statistics on independence cache: Total cache size (in pairs): 164, Positive cache size: 144, Positive conditional cache size: 0, Positive unconditional cache size: 144, Negative cache size: 20, Negative conditional cache size: 0, Negative unconditional cache size: 20, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 205 locations, 28 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: 3.6s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 100 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 46 mSDsluCounter, 28 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 20 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 132 IncrementalHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 20 mSolverCounterUnsat, 28 mSDtfsCounter, 132 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=96occurred in iteration=0, InterpolantAutomatonStates: 11, 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, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 20 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 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 18 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-31 21:35:58,506 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