./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/weaver/parallel-misc-2.wvr.c --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --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/parallel-misc-2.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 c245694d80bb36f575f27eb50fa261b26ec38a4ced597397981ad6c6c7486707 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-29 19:06:45,695 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 19:06:45,697 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 19:06:45,729 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 19:06:45,731 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 19:06:45,733 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 19:06:45,735 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 19:06:45,737 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 19:06:45,738 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 19:06:45,741 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 19:06:45,742 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 19:06:45,745 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 19:06:45,745 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 19:06:45,747 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 19:06:45,747 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 19:06:45,751 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 19:06:45,752 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 19:06:45,753 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 19:06:45,754 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 19:06:45,757 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 19:06:45,758 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 19:06:45,759 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 19:06:45,759 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 19:06:45,760 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 19:06:45,765 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 19:06:45,765 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 19:06:45,765 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 19:06:45,767 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 19:06:45,767 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 19:06:45,767 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 19:06:45,768 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 19:06:45,772 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 19:06:45,773 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 19:06:45,774 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 19:06:45,774 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 19:06:45,774 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 19:06:45,775 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 19:06:45,775 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 19:06:45,775 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 19:06:45,776 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 19:06:45,776 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 19:06:45,777 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 19:06:45,815 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 19:06:45,815 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 19:06:45,816 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 19:06:45,816 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 19:06:45,816 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 19:06:45,816 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 19:06:45,817 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 19:06:45,817 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 19:06:45,817 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 19:06:45,817 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 19:06:45,818 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 19:06:45,818 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 19:06:45,818 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 19:06:45,818 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 19:06:45,818 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 19:06:45,818 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 19:06:45,819 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 19:06:45,819 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 19:06:45,819 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 19:06:45,819 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 19:06:45,819 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 19:06:45,819 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 19:06:45,819 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 19:06:45,819 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 19:06:45,820 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 19:06:45,820 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 19:06:45,820 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 19:06:45,820 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 19:06:45,820 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 19:06:45,820 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 19:06:45,820 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 19:06:45,821 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 19:06:45,821 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 19:06:45,821 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 19:06:45,821 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 19:06:45,821 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 19:06:45,821 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 19:06:45,821 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c245694d80bb36f575f27eb50fa261b26ec38a4ced597397981ad6c6c7486707 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> TOGETHER [2023-08-29 19:06:46,055 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 19:06:46,067 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 19:06:46,070 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 19:06:46,071 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 19:06:46,071 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 19:06:46,072 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-misc-2.wvr.c [2023-08-29 19:06:46,954 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 19:06:47,057 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 19:06:47,058 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-2.wvr.c [2023-08-29 19:06:47,062 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8126788f2/1f692f3ca9a54912805ebd4d824903b8/FLAG408130079 [2023-08-29 19:06:47,072 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8126788f2/1f692f3ca9a54912805ebd4d824903b8 [2023-08-29 19:06:47,073 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 19:06:47,074 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 19:06:47,079 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 19:06:47,079 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 19:06:47,082 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 19:06:47,082 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 07:06:47" (1/1) ... [2023-08-29 19:06:47,083 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16e4b947 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:06:47, skipping insertion in model container [2023-08-29 19:06:47,084 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 07:06:47" (1/1) ... [2023-08-29 19:06:47,087 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 19:06:47,101 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 19:06:47,250 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/parallel-misc-2.wvr.c[2554,2567] [2023-08-29 19:06:47,254 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 19:06:47,264 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 19:06:47,311 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/parallel-misc-2.wvr.c[2554,2567] [2023-08-29 19:06:47,314 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 19:06:47,321 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 19:06:47,322 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 19:06:47,326 INFO L208 MainTranslator]: Completed translation [2023-08-29 19:06:47,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:06:47 WrapperNode [2023-08-29 19:06:47,327 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 19:06:47,329 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 19:06:47,329 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 19:06:47,329 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 19:06:47,333 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:06:47" (1/1) ... [2023-08-29 19:06:47,350 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:06:47" (1/1) ... [2023-08-29 19:06:47,372 INFO L138 Inliner]: procedures = 21, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 126 [2023-08-29 19:06:47,373 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 19:06:47,374 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 19:06:47,374 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 19:06:47,374 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 19:06:47,380 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:06:47" (1/1) ... [2023-08-29 19:06:47,380 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:06:47" (1/1) ... [2023-08-29 19:06:47,392 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:06:47" (1/1) ... [2023-08-29 19:06:47,392 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:06:47" (1/1) ... [2023-08-29 19:06:47,399 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:06:47" (1/1) ... [2023-08-29 19:06:47,408 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:06:47" (1/1) ... [2023-08-29 19:06:47,409 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:06:47" (1/1) ... [2023-08-29 19:06:47,412 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:06:47" (1/1) ... [2023-08-29 19:06:47,414 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 19:06:47,415 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 19:06:47,416 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 19:06:47,416 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 19:06:47,416 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:06:47" (1/1) ... [2023-08-29 19:06:47,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 19:06:47,428 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 19:06:47,440 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 19:06:47,448 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 19:06:47,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 19:06:47,468 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-29 19:06:47,468 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-29 19:06:47,468 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-29 19:06:47,468 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-29 19:06:47,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 19:06:47,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 19:06:47,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 19:06:47,469 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-29 19:06:47,469 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-29 19:06:47,469 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 19:06:47,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 19:06:47,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 19:06:47,469 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 19:06:47,470 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 19:06:47,533 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 19:06:47,534 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 19:06:47,799 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 19:06:47,864 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 19:06:47,864 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-08-29 19:06:47,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 07:06:47 BoogieIcfgContainer [2023-08-29 19:06:47,867 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 19:06:47,868 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 19:06:47,868 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 19:06:47,870 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 19:06:47,870 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 07:06:47" (1/3) ... [2023-08-29 19:06:47,870 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20b20bff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 07:06:47, skipping insertion in model container [2023-08-29 19:06:47,871 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:06:47" (2/3) ... [2023-08-29 19:06:47,871 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20b20bff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 07:06:47, skipping insertion in model container [2023-08-29 19:06:47,871 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 07:06:47" (3/3) ... [2023-08-29 19:06:47,872 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-misc-2.wvr.c [2023-08-29 19:06:47,876 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 19:06:47,882 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 19:06:47,882 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 36 error locations. [2023-08-29 19:06:47,882 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 19:06:47,927 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-29 19:06:47,970 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 226 places, 229 transitions, 474 flow [2023-08-29 19:06:48,032 INFO L130 PetriNetUnfolder]: 10/227 cut-off events. [2023-08-29 19:06:48,033 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-29 19:06:48,040 INFO L83 FinitePrefix]: Finished finitePrefix Result has 236 conditions, 227 events. 10/227 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 355 event pairs, 0 based on Foata normal form. 0/181 useless extension candidates. Maximal degree in co-relation 149. Up to 2 conditions per place. [2023-08-29 19:06:48,040 INFO L82 GeneralOperation]: Start removeDead. Operand has 226 places, 229 transitions, 474 flow [2023-08-29 19:06:48,060 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 210 places, 212 transitions, 436 flow [2023-08-29 19:06:48,079 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 19:06:48,095 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 210 places, 212 transitions, 436 flow [2023-08-29 19:06:48,101 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 210 places, 212 transitions, 436 flow [2023-08-29 19:06:48,101 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 210 places, 212 transitions, 436 flow [2023-08-29 19:06:48,139 INFO L130 PetriNetUnfolder]: 9/212 cut-off events. [2023-08-29 19:06:48,139 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-29 19:06:48,140 INFO L83 FinitePrefix]: Finished finitePrefix Result has 221 conditions, 212 events. 9/212 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 352 event pairs, 0 based on Foata normal form. 0/168 useless extension candidates. Maximal degree in co-relation 149. Up to 2 conditions per place. [2023-08-29 19:06:48,142 INFO L119 LiptonReduction]: Number of co-enabled transitions 6300 [2023-08-29 19:06:52,457 INFO L134 LiptonReduction]: Checked pairs total: 14350 [2023-08-29 19:06:52,457 INFO L136 LiptonReduction]: Total number of compositions: 264 [2023-08-29 19:06:52,466 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 19:06:52,481 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;@7ba44e73, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 19:06:52,481 INFO L358 AbstractCegarLoop]: Starting to check reachability of 60 error locations. [2023-08-29 19:06:52,482 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-29 19:06:52,482 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 19:06:52,483 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:06:52,483 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-29 19:06:52,483 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-08-29 19:06:52,486 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:06:52,487 INFO L85 PathProgramCache]: Analyzing trace with hash 917, now seen corresponding path program 1 times [2023-08-29 19:06:52,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:06:52,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712302914] [2023-08-29 19:06:52,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:06:52,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:06:52,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:06:52,550 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 19:06:52,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:06:52,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712302914] [2023-08-29 19:06:52,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [712302914] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 19:06:52,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 19:06:52,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-29 19:06:52,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521091859] [2023-08-29 19:06:52,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:06:52,558 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-29 19:06:52,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:06:52,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-29 19:06:52,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-29 19:06:52,574 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 208 out of 493 [2023-08-29 19:06:52,576 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 57 transitions, 126 flow. Second operand has 2 states, 2 states have (on average 208.5) internal successors, (417), 2 states have internal predecessors, (417), 0 states have call successors, (0), 0 states 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 19:06:52,576 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:06:52,576 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 208 of 493 [2023-08-29 19:06:52,577 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:06:52,639 INFO L130 PetriNetUnfolder]: 103/186 cut-off events. [2023-08-29 19:06:52,639 INFO L131 PetriNetUnfolder]: For 14/14 co-relation queries the response was YES. [2023-08-29 19:06:52,641 INFO L83 FinitePrefix]: Finished finitePrefix Result has 382 conditions, 186 events. 103/186 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 600 event pairs, 69 based on Foata normal form. 1/153 useless extension candidates. Maximal degree in co-relation 333. Up to 174 conditions per place. [2023-08-29 19:06:52,644 INFO L137 encePairwiseOnDemand]: 458/493 looper letters, 18 selfloop transitions, 0 changer transitions 1/22 dead transitions. [2023-08-29 19:06:52,644 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 27 places, 22 transitions, 94 flow [2023-08-29 19:06:52,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-29 19:06:52,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-29 19:06:52,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 470 transitions. [2023-08-29 19:06:52,658 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4766734279918864 [2023-08-29 19:06:52,658 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 470 transitions. [2023-08-29 19:06:52,659 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 470 transitions. [2023-08-29 19:06:52,661 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:06:52,663 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 470 transitions. [2023-08-29 19:06:52,666 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 235.0) internal successors, (470), 2 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) [2023-08-29 19:06:52,669 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 493.0) internal successors, (1479), 3 states have internal predecessors, (1479), 0 states have call successors, (0), 0 states 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 19:06:52,670 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 493.0) internal successors, (1479), 3 states have internal predecessors, (1479), 0 states have call successors, (0), 0 states 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 19:06:52,671 INFO L175 Difference]: Start difference. First operand has 59 places, 57 transitions, 126 flow. Second operand 2 states and 470 transitions. [2023-08-29 19:06:52,672 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 27 places, 22 transitions, 94 flow [2023-08-29 19:06:52,674 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 23 places, 22 transitions, 86 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-29 19:06:52,675 INFO L231 Difference]: Finished difference. Result has 23 places, 21 transitions, 45 flow [2023-08-29 19:06:52,676 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=493, PETRI_DIFFERENCE_MINUEND_FLOW=48, PETRI_DIFFERENCE_MINUEND_PLACES=22, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=45, PETRI_PLACES=23, PETRI_TRANSITIONS=21} [2023-08-29 19:06:52,680 INFO L281 CegarLoopForPetriNet]: 59 programPoint places, -36 predicate places. [2023-08-29 19:06:52,680 INFO L495 AbstractCegarLoop]: Abstraction has has 23 places, 21 transitions, 45 flow [2023-08-29 19:06:52,681 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 208.5) internal successors, (417), 2 states have internal predecessors, (417), 0 states have call successors, (0), 0 states 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 19:06:52,681 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:06:52,683 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2023-08-29 19:06:52,684 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 19:06:52,684 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-08-29 19:06:52,685 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:06:52,685 INFO L85 PathProgramCache]: Analyzing trace with hash 28798763, now seen corresponding path program 1 times [2023-08-29 19:06:52,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:06:52,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404322685] [2023-08-29 19:06:52,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:06:52,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:06:52,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:06:52,738 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 19:06:52,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:06:52,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404322685] [2023-08-29 19:06:52,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404322685] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 19:06:52,739 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 19:06:52,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 19:06:52,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722723166] [2023-08-29 19:06:52,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:06:52,740 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 19:06:52,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:06:52,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 19:06:52,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 19:06:52,754 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 201 out of 493 [2023-08-29 19:06:52,755 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 23 places, 21 transitions, 45 flow. Second operand has 3 states, 3 states have (on average 202.33333333333334) internal successors, (607), 3 states have internal predecessors, (607), 0 states have call successors, (0), 0 states 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 19:06:52,755 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:06:52,755 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 201 of 493 [2023-08-29 19:06:52,755 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:06:52,790 INFO L130 PetriNetUnfolder]: 108/185 cut-off events. [2023-08-29 19:06:52,790 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-08-29 19:06:52,791 INFO L83 FinitePrefix]: Finished finitePrefix Result has 377 conditions, 185 events. 108/185 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 574 event pairs, 30 based on Foata normal form. 0/151 useless extension candidates. Maximal degree in co-relation 374. Up to 176 conditions per place. [2023-08-29 19:06:52,791 INFO L137 encePairwiseOnDemand]: 489/493 looper letters, 18 selfloop transitions, 2 changer transitions 3/24 dead transitions. [2023-08-29 19:06:52,791 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 22 places, 24 transitions, 98 flow [2023-08-29 19:06:52,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 19:06:52,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 19:06:52,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 628 transitions. [2023-08-29 19:06:52,793 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42461122379986477 [2023-08-29 19:06:52,793 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 628 transitions. [2023-08-29 19:06:52,793 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 628 transitions. [2023-08-29 19:06:52,794 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:06:52,794 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 628 transitions. [2023-08-29 19:06:52,795 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 209.33333333333334) internal successors, (628), 3 states have internal predecessors, (628), 0 states have call successors, (0), 0 states 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 19:06:52,797 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 493.0) internal successors, (1972), 4 states have internal predecessors, (1972), 0 states have call successors, (0), 0 states 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 19:06:52,798 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 493.0) internal successors, (1972), 4 states have internal predecessors, (1972), 0 states have call successors, (0), 0 states 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 19:06:52,798 INFO L175 Difference]: Start difference. First operand has 23 places, 21 transitions, 45 flow. Second operand 3 states and 628 transitions. [2023-08-29 19:06:52,798 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 22 places, 24 transitions, 98 flow [2023-08-29 19:06:52,798 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 22 places, 24 transitions, 98 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 19:06:52,799 INFO L231 Difference]: Finished difference. Result has 23 places, 18 transitions, 48 flow [2023-08-29 19:06:52,799 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=493, PETRI_DIFFERENCE_MINUEND_FLOW=41, PETRI_DIFFERENCE_MINUEND_PLACES=20, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=19, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=48, PETRI_PLACES=23, PETRI_TRANSITIONS=18} [2023-08-29 19:06:52,800 INFO L281 CegarLoopForPetriNet]: 59 programPoint places, -36 predicate places. [2023-08-29 19:06:52,800 INFO L495 AbstractCegarLoop]: Abstraction has has 23 places, 18 transitions, 48 flow [2023-08-29 19:06:52,800 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 202.33333333333334) internal successors, (607), 3 states have internal predecessors, (607), 0 states have call successors, (0), 0 states 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 19:06:52,800 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 19:06:52,800 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-29 19:06:52,801 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-29 19:06:52,801 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-08-29 19:06:52,801 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 19:06:52,801 INFO L85 PathProgramCache]: Analyzing trace with hash 1906066437, now seen corresponding path program 1 times [2023-08-29 19:06:52,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 19:06:52,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223420037] [2023-08-29 19:06:52,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 19:06:52,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 19:06:52,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 19:06:52,837 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 19:06:52,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 19:06:52,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223420037] [2023-08-29 19:06:52,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223420037] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 19:06:52,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 19:06:52,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 19:06:52,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595499641] [2023-08-29 19:06:52,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 19:06:52,839 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 19:06:52,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 19:06:52,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 19:06:52,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 19:06:52,857 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 200 out of 493 [2023-08-29 19:06:52,858 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 23 places, 18 transitions, 48 flow. Second operand has 3 states, 3 states have (on average 202.0) internal successors, (606), 3 states have internal predecessors, (606), 0 states have call successors, (0), 0 states 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 19:06:52,858 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 19:06:52,858 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 200 of 493 [2023-08-29 19:06:52,858 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 19:06:52,895 INFO L130 PetriNetUnfolder]: 86/141 cut-off events. [2023-08-29 19:06:52,896 INFO L131 PetriNetUnfolder]: For 17/17 co-relation queries the response was YES. [2023-08-29 19:06:52,896 INFO L83 FinitePrefix]: Finished finitePrefix Result has 325 conditions, 141 events. 86/141 cut-off events. For 17/17 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 411 event pairs, 11 based on Foata normal form. 0/121 useless extension candidates. Maximal degree in co-relation 321. Up to 82 conditions per place. [2023-08-29 19:06:52,896 INFO L137 encePairwiseOnDemand]: 489/493 looper letters, 0 selfloop transitions, 0 changer transitions 24/24 dead transitions. [2023-08-29 19:06:52,896 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 21 places, 24 transitions, 111 flow [2023-08-29 19:06:52,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 19:06:52,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 19:06:52,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 623 transitions. [2023-08-29 19:06:52,898 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42123056118999325 [2023-08-29 19:06:52,898 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 623 transitions. [2023-08-29 19:06:52,898 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 623 transitions. [2023-08-29 19:06:52,899 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 19:06:52,899 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 623 transitions. [2023-08-29 19:06:52,900 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 207.66666666666666) internal successors, (623), 3 states have internal predecessors, (623), 0 states have call successors, (0), 0 states 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 19:06:52,902 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 493.0) internal successors, (1972), 4 states have internal predecessors, (1972), 0 states have call successors, (0), 0 states 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 19:06:52,902 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 493.0) internal successors, (1972), 4 states have internal predecessors, (1972), 0 states have call successors, (0), 0 states 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 19:06:52,902 INFO L175 Difference]: Start difference. First operand has 23 places, 18 transitions, 48 flow. Second operand 3 states and 623 transitions. [2023-08-29 19:06:52,903 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 21 places, 24 transitions, 111 flow [2023-08-29 19:06:52,903 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 21 places, 24 transitions, 111 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 19:06:52,903 INFO L231 Difference]: Finished difference. Result has 21 places, 0 transitions, 0 flow [2023-08-29 19:06:52,903 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=493, PETRI_DIFFERENCE_MINUEND_FLOW=46, PETRI_DIFFERENCE_MINUEND_PLACES=19, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=17, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=21, PETRI_TRANSITIONS=0} [2023-08-29 19:06:52,904 INFO L281 CegarLoopForPetriNet]: 59 programPoint places, -38 predicate places. [2023-08-29 19:06:52,906 INFO L495 AbstractCegarLoop]: Abstraction has has 21 places, 0 transitions, 0 flow [2023-08-29 19:06:52,907 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 202.0) internal successors, (606), 3 states have internal predecessors, (606), 0 states have call successors, (0), 0 states 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 19:06:52,909 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (59 of 60 remaining) [2023-08-29 19:06:52,909 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (58 of 60 remaining) [2023-08-29 19:06:52,909 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (57 of 60 remaining) [2023-08-29 19:06:52,909 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (56 of 60 remaining) [2023-08-29 19:06:52,910 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (55 of 60 remaining) [2023-08-29 19:06:52,910 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (54 of 60 remaining) [2023-08-29 19:06:52,911 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (53 of 60 remaining) [2023-08-29 19:06:52,912 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (52 of 60 remaining) [2023-08-29 19:06:52,912 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (51 of 60 remaining) [2023-08-29 19:06:52,912 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (50 of 60 remaining) [2023-08-29 19:06:52,912 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (49 of 60 remaining) [2023-08-29 19:06:52,912 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (48 of 60 remaining) [2023-08-29 19:06:52,912 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (47 of 60 remaining) [2023-08-29 19:06:52,913 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (46 of 60 remaining) [2023-08-29 19:06:52,913 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (45 of 60 remaining) [2023-08-29 19:06:52,913 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (44 of 60 remaining) [2023-08-29 19:06:52,913 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (43 of 60 remaining) [2023-08-29 19:06:52,913 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (42 of 60 remaining) [2023-08-29 19:06:52,913 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (41 of 60 remaining) [2023-08-29 19:06:52,914 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (40 of 60 remaining) [2023-08-29 19:06:52,914 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (39 of 60 remaining) [2023-08-29 19:06:52,914 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (38 of 60 remaining) [2023-08-29 19:06:52,914 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (37 of 60 remaining) [2023-08-29 19:06:52,914 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (36 of 60 remaining) [2023-08-29 19:06:52,914 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (35 of 60 remaining) [2023-08-29 19:06:52,915 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (34 of 60 remaining) [2023-08-29 19:06:52,915 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (33 of 60 remaining) [2023-08-29 19:06:52,915 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (32 of 60 remaining) [2023-08-29 19:06:52,915 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (31 of 60 remaining) [2023-08-29 19:06:52,915 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (30 of 60 remaining) [2023-08-29 19:06:52,915 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (29 of 60 remaining) [2023-08-29 19:06:52,916 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (28 of 60 remaining) [2023-08-29 19:06:52,916 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (27 of 60 remaining) [2023-08-29 19:06:52,916 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (26 of 60 remaining) [2023-08-29 19:06:52,916 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (25 of 60 remaining) [2023-08-29 19:06:52,916 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (24 of 60 remaining) [2023-08-29 19:06:52,916 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 60 remaining) [2023-08-29 19:06:52,916 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (22 of 60 remaining) [2023-08-29 19:06:52,917 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (21 of 60 remaining) [2023-08-29 19:06:52,917 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (20 of 60 remaining) [2023-08-29 19:06:52,917 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (19 of 60 remaining) [2023-08-29 19:06:52,917 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (18 of 60 remaining) [2023-08-29 19:06:52,917 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (17 of 60 remaining) [2023-08-29 19:06:52,917 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (16 of 60 remaining) [2023-08-29 19:06:52,918 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (15 of 60 remaining) [2023-08-29 19:06:52,918 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (14 of 60 remaining) [2023-08-29 19:06:52,918 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (13 of 60 remaining) [2023-08-29 19:06:52,918 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (12 of 60 remaining) [2023-08-29 19:06:52,918 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (11 of 60 remaining) [2023-08-29 19:06:52,918 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (10 of 60 remaining) [2023-08-29 19:06:52,919 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (9 of 60 remaining) [2023-08-29 19:06:52,919 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (8 of 60 remaining) [2023-08-29 19:06:52,919 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (7 of 60 remaining) [2023-08-29 19:06:52,919 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (6 of 60 remaining) [2023-08-29 19:06:52,919 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (5 of 60 remaining) [2023-08-29 19:06:52,919 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (4 of 60 remaining) [2023-08-29 19:06:52,919 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (3 of 60 remaining) [2023-08-29 19:06:52,920 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (2 of 60 remaining) [2023-08-29 19:06:52,920 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (1 of 60 remaining) [2023-08-29 19:06:52,920 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (0 of 60 remaining) [2023-08-29 19:06:52,920 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-29 19:06:52,920 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-08-29 19:06:52,924 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-29 19:06:52,924 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-29 19:06:52,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 07:06:52 BasicIcfg [2023-08-29 19:06:52,926 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-29 19:06:52,927 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-29 19:06:52,927 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-29 19:06:52,927 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-29 19:06:52,927 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 07:06:47" (3/4) ... [2023-08-29 19:06:52,929 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-29 19:06:52,932 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-08-29 19:06:52,932 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-08-29 19:06:52,935 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2023-08-29 19:06:52,935 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-08-29 19:06:52,935 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-29 19:06:52,935 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-29 19:06:52,965 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-29 19:06:52,965 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-29 19:06:52,966 INFO L158 Benchmark]: Toolchain (without parser) took 5891.58ms. Allocated memory was 71.3MB in the beginning and 104.9MB in the end (delta: 33.6MB). Free memory was 43.8MB in the beginning and 57.2MB in the end (delta: -13.4MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. [2023-08-29 19:06:52,966 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 52.4MB. Free memory was 30.6MB in the beginning and 30.6MB in the end (delta: 52.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 19:06:52,966 INFO L158 Benchmark]: CACSL2BoogieTranslator took 247.48ms. Allocated memory is still 71.3MB. Free memory was 43.5MB in the beginning and 49.9MB in the end (delta: -6.4MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. [2023-08-29 19:06:52,966 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.95ms. Allocated memory is still 71.3MB. Free memory was 49.9MB in the beginning and 48.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 19:06:52,967 INFO L158 Benchmark]: Boogie Preprocessor took 41.22ms. Allocated memory is still 71.3MB. Free memory was 48.0MB in the beginning and 46.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 19:06:52,967 INFO L158 Benchmark]: RCFGBuilder took 451.55ms. Allocated memory is still 71.3MB. Free memory was 46.3MB in the beginning and 40.6MB in the end (delta: 5.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-08-29 19:06:52,967 INFO L158 Benchmark]: TraceAbstraction took 5058.48ms. Allocated memory was 71.3MB in the beginning and 104.9MB in the end (delta: 33.6MB). Free memory was 39.9MB in the beginning and 61.4MB in the end (delta: -21.4MB). Peak memory consumption was 44.2MB. Max. memory is 16.1GB. [2023-08-29 19:06:52,967 INFO L158 Benchmark]: Witness Printer took 38.92ms. Allocated memory is still 104.9MB. Free memory was 61.4MB in the beginning and 57.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-29 19:06:52,968 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 52.4MB. Free memory was 30.6MB in the beginning and 30.6MB in the end (delta: 52.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 247.48ms. Allocated memory is still 71.3MB. Free memory was 43.5MB in the beginning and 49.9MB in the end (delta: -6.4MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.95ms. Allocated memory is still 71.3MB. Free memory was 49.9MB in the beginning and 48.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.22ms. Allocated memory is still 71.3MB. Free memory was 48.0MB in the beginning and 46.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 451.55ms. Allocated memory is still 71.3MB. Free memory was 46.3MB in the beginning and 40.6MB in the end (delta: 5.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 5058.48ms. Allocated memory was 71.3MB in the beginning and 104.9MB in the end (delta: 33.6MB). Free memory was 39.9MB in the beginning and 61.4MB in the end (delta: -21.4MB). Peak memory consumption was 44.2MB. Max. memory is 16.1GB. * Witness Printer took 38.92ms. Allocated memory is still 104.9MB. Free memory was 61.4MB in the beginning and 57.2MB 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: 4.4s, 210 PlacesBefore, 59 PlacesAfterwards, 212 TransitionsBefore, 57 TransitionsAfterwards, 6300 CoEnabledTransitionPairs, 10 FixpointIterations, 129 TrivialSequentialCompositions, 113 ConcurrentSequentialCompositions, 9 TrivialYvCompositions, 9 ConcurrentYvCompositions, 4 ChoiceCompositions, 264 TotalNumberOfCompositions, 14350 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 8118, independent: 7797, independent conditional: 0, independent unconditional: 7797, dependent: 321, dependent conditional: 0, dependent unconditional: 321, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 3715, independent: 3675, independent conditional: 0, independent unconditional: 3675, dependent: 40, dependent conditional: 0, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 8118, independent: 4122, independent conditional: 0, independent unconditional: 4122, dependent: 281, dependent conditional: 0, dependent unconditional: 281, unknown: 3715, unknown conditional: 0, unknown unconditional: 3715] , Statistics on independence cache: Total cache size (in pairs): 244, Positive cache size: 224, Positive conditional cache size: 0, Positive unconditional cache size: 224, 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: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: 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: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: 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: 91]: 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: 91]: 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: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: 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, 302 locations, 60 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: 5.0s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.5s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 66 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 33 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 99 IncrementalHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 4 mSDtfsCounter, 99 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=126occurred in iteration=0, InterpolantAutomatonStates: 8, 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, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 12 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 36 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-29 19:06:52,985 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