./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/weaver/popl20-mult-4.wvr.c --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/weaver/popl20-mult-4.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2e6a14a531a7a58347cefef713565bcea13a3839848e23eb785379c30b602107 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-29 03:44:00,928 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 03:44:00,930 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 03:44:00,962 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 03:44:00,963 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 03:44:00,965 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 03:44:00,967 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 03:44:00,970 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 03:44:00,972 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 03:44:00,977 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 03:44:00,978 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 03:44:00,982 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 03:44:00,982 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 03:44:00,984 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 03:44:00,986 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 03:44:00,993 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 03:44:00,994 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 03:44:00,996 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 03:44:00,998 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 03:44:01,003 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 03:44:01,005 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 03:44:01,007 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 03:44:01,008 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 03:44:01,009 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 03:44:01,017 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 03:44:01,017 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 03:44:01,017 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 03:44:01,019 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 03:44:01,020 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 03:44:01,021 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 03:44:01,022 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 03:44:01,023 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 03:44:01,025 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 03:44:01,026 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 03:44:01,027 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 03:44:01,027 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 03:44:01,027 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 03:44:01,028 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 03:44:01,028 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 03:44:01,029 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 03:44:01,029 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 03:44:01,031 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 03:44:01,078 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 03:44:01,080 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 03:44:01,081 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 03:44:01,081 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 03:44:01,082 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 03:44:01,082 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 03:44:01,083 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 03:44:01,083 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 03:44:01,083 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 03:44:01,084 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 03:44:01,084 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 03:44:01,085 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 03:44:01,085 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 03:44:01,085 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 03:44:01,086 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 03:44:01,086 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 03:44:01,086 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 03:44:01,086 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 03:44:01,086 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 03:44:01,086 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 03:44:01,087 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 03:44:01,087 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 03:44:01,087 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 03:44:01,087 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 03:44:01,087 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 03:44:01,088 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 03:44:01,088 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 03:44:01,088 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 03:44:01,089 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 03:44:01,089 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 03:44:01,089 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 03:44:01,089 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 03:44:01,089 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 03:44:01,090 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 03:44:01,090 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 03:44:01,090 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 03:44:01,090 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 03:44:01,090 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e6a14a531a7a58347cefef713565bcea13a3839848e23eb785379c30b602107 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> AFTER [2023-08-29 03:44:01,392 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 03:44:01,414 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 03:44:01,418 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 03:44:01,419 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 03:44:01,420 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 03:44:01,422 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-mult-4.wvr.c [2023-08-29 03:44:02,761 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 03:44:02,995 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 03:44:02,996 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-mult-4.wvr.c [2023-08-29 03:44:03,007 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a78106672/57f6b53d0d72493f8ad27e0367efadbe/FLAG06d32e1fd [2023-08-29 03:44:03,022 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a78106672/57f6b53d0d72493f8ad27e0367efadbe [2023-08-29 03:44:03,024 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 03:44:03,025 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 03:44:03,026 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 03:44:03,027 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 03:44:03,030 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 03:44:03,031 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 03:44:03" (1/1) ... [2023-08-29 03:44:03,032 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@325ff6eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:44:03, skipping insertion in model container [2023-08-29 03:44:03,032 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 03:44:03" (1/1) ... [2023-08-29 03:44:03,038 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 03:44:03,054 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 03:44:03,206 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-mult-4.wvr.c[2612,2625] [2023-08-29 03:44:03,208 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 03:44:03,216 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 03:44:03,261 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-mult-4.wvr.c[2612,2625] [2023-08-29 03:44:03,266 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 03:44:03,277 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 03:44:03,278 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 03:44:03,284 INFO L208 MainTranslator]: Completed translation [2023-08-29 03:44:03,285 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:44:03 WrapperNode [2023-08-29 03:44:03,285 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 03:44:03,287 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 03:44:03,287 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 03:44:03,287 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 03:44:03,293 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:44:03" (1/1) ... [2023-08-29 03:44:03,313 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:44:03" (1/1) ... [2023-08-29 03:44:03,351 INFO L138 Inliner]: procedures = 23, calls = 42, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 175 [2023-08-29 03:44:03,352 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 03:44:03,353 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 03:44:03,353 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 03:44:03,354 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 03:44:03,362 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:44:03" (1/1) ... [2023-08-29 03:44:03,363 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:44:03" (1/1) ... [2023-08-29 03:44:03,384 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:44:03" (1/1) ... [2023-08-29 03:44:03,384 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:44:03" (1/1) ... [2023-08-29 03:44:03,391 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:44:03" (1/1) ... [2023-08-29 03:44:03,407 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:44:03" (1/1) ... [2023-08-29 03:44:03,409 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:44:03" (1/1) ... [2023-08-29 03:44:03,410 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:44:03" (1/1) ... [2023-08-29 03:44:03,412 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 03:44:03,413 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 03:44:03,413 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 03:44:03,413 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 03:44:03,413 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:44:03" (1/1) ... [2023-08-29 03:44:03,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 03:44:03,436 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 03:44:03,450 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-29 03:44:03,472 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-29 03:44:03,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 03:44:03,487 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-29 03:44:03,487 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-29 03:44:03,487 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-29 03:44:03,488 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-29 03:44:03,488 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-08-29 03:44:03,488 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-08-29 03:44:03,488 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-08-29 03:44:03,488 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-08-29 03:44:03,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 03:44:03,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 03:44:03,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 03:44:03,489 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-29 03:44:03,489 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-29 03:44:03,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 03:44:03,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 03:44:03,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 03:44:03,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 03:44:03,491 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-29 03:44:03,632 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 03:44:03,634 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 03:44:03,962 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 03:44:04,111 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 03:44:04,111 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-08-29 03:44:04,114 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:44:04 BoogieIcfgContainer [2023-08-29 03:44:04,114 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 03:44:04,117 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 03:44:04,117 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 03:44:04,120 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 03:44:04,121 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 03:44:03" (1/3) ... [2023-08-29 03:44:04,122 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b2102fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 03:44:04, skipping insertion in model container [2023-08-29 03:44:04,122 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:44:03" (2/3) ... [2023-08-29 03:44:04,123 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b2102fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 03:44:04, skipping insertion in model container [2023-08-29 03:44:04,123 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:44:04" (3/3) ... [2023-08-29 03:44:04,125 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-mult-4.wvr.c [2023-08-29 03:44:04,134 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 03:44:04,143 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 03:44:04,143 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 26 error locations. [2023-08-29 03:44:04,143 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 03:44:04,240 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-08-29 03:44:04,293 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 195 places, 192 transitions, 416 flow [2023-08-29 03:44:04,377 INFO L130 PetriNetUnfolder]: 10/188 cut-off events. [2023-08-29 03:44:04,377 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2023-08-29 03:44:04,390 INFO L83 FinitePrefix]: Finished finitePrefix Result has 205 conditions, 188 events. 10/188 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 206 event pairs, 0 based on Foata normal form. 0/152 useless extension candidates. Maximal degree in co-relation 117. Up to 2 conditions per place. [2023-08-29 03:44:04,391 INFO L82 GeneralOperation]: Start removeDead. Operand has 195 places, 192 transitions, 416 flow [2023-08-29 03:44:04,396 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 173 places, 169 transitions, 362 flow [2023-08-29 03:44:04,399 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 03:44:04,420 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 173 places, 169 transitions, 362 flow [2023-08-29 03:44:04,427 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 173 places, 169 transitions, 362 flow [2023-08-29 03:44:04,427 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 173 places, 169 transitions, 362 flow [2023-08-29 03:44:04,477 INFO L130 PetriNetUnfolder]: 9/169 cut-off events. [2023-08-29 03:44:04,477 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2023-08-29 03:44:04,480 INFO L83 FinitePrefix]: Finished finitePrefix Result has 186 conditions, 169 events. 9/169 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 201 event pairs, 0 based on Foata normal form. 0/135 useless extension candidates. Maximal degree in co-relation 117. Up to 2 conditions per place. [2023-08-29 03:44:04,484 INFO L119 LiptonReduction]: Number of co-enabled transitions 7430 [2023-08-29 03:44:09,105 INFO L134 LiptonReduction]: Checked pairs total: 25781 [2023-08-29 03:44:09,106 INFO L136 LiptonReduction]: Total number of compositions: 161 [2023-08-29 03:44:09,118 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 03:44:09,124 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;@fa2f0f, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 03:44:09,124 INFO L358 AbstractCegarLoop]: Starting to check reachability of 48 error locations. [2023-08-29 03:44:09,126 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-29 03:44:09,126 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 03:44:09,126 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:44:09,126 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-29 03:44:09,127 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2023-08-29 03:44:09,131 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:44:09,131 INFO L85 PathProgramCache]: Analyzing trace with hash 810, now seen corresponding path program 1 times [2023-08-29 03:44:09,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:44:09,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090087920] [2023-08-29 03:44:09,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:44:09,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:44:09,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:44:09,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 03:44:09,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:44:09,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090087920] [2023-08-29 03:44:09,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090087920] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:44:09,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:44:09,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-29 03:44:09,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259583903] [2023-08-29 03:44:09,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:44:09,230 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-29 03:44:09,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:44:09,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-29 03:44:09,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-29 03:44:09,252 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 159 out of 353 [2023-08-29 03:44:09,255 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 66 transitions, 156 flow. Second operand has 2 states, 2 states have (on average 159.5) internal successors, (319), 2 states have internal predecessors, (319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:44:09,255 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:44:09,255 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 159 of 353 [2023-08-29 03:44:09,256 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:44:09,571 INFO L130 PetriNetUnfolder]: 1774/2523 cut-off events. [2023-08-29 03:44:09,571 INFO L131 PetriNetUnfolder]: For 90/90 co-relation queries the response was YES. [2023-08-29 03:44:09,576 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4908 conditions, 2523 events. 1774/2523 cut-off events. For 90/90 co-relation queries the response was YES. Maximal size of possible extension queue 171. Compared 12482 event pairs, 906 based on Foata normal form. 853/2850 useless extension candidates. Maximal degree in co-relation 3925. Up to 2221 conditions per place. [2023-08-29 03:44:09,592 INFO L137 encePairwiseOnDemand]: 327/353 looper letters, 25 selfloop transitions, 0 changer transitions 1/40 dead transitions. [2023-08-29 03:44:09,592 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 40 transitions, 156 flow [2023-08-29 03:44:09,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-29 03:44:09,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-29 03:44:09,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 370 transitions. [2023-08-29 03:44:09,609 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5240793201133145 [2023-08-29 03:44:09,610 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 370 transitions. [2023-08-29 03:44:09,611 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 370 transitions. [2023-08-29 03:44:09,613 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:44:09,616 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 370 transitions. [2023-08-29 03:44:09,621 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 185.0) internal successors, (370), 2 states have internal predecessors, (370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:44:09,627 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 353.0) internal successors, (1059), 3 states have internal predecessors, (1059), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:44:09,628 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 353.0) internal successors, (1059), 3 states have internal predecessors, (1059), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:44:09,629 INFO L175 Difference]: Start difference. First operand has 71 places, 66 transitions, 156 flow. Second operand 2 states and 370 transitions. [2023-08-29 03:44:09,630 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 40 transitions, 156 flow [2023-08-29 03:44:09,638 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 40 transitions, 140 flow, removed 0 selfloop flow, removed 8 redundant places. [2023-08-29 03:44:09,640 INFO L231 Difference]: Finished difference. Result has 42 places, 39 transitions, 85 flow [2023-08-29 03:44:09,643 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=88, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=85, PETRI_PLACES=42, PETRI_TRANSITIONS=39} [2023-08-29 03:44:09,650 INFO L281 CegarLoopForPetriNet]: 71 programPoint places, -29 predicate places. [2023-08-29 03:44:09,651 INFO L495 AbstractCegarLoop]: Abstraction has has 42 places, 39 transitions, 85 flow [2023-08-29 03:44:09,652 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 159.5) internal successors, (319), 2 states have internal predecessors, (319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:44:09,652 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:44:09,652 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-08-29 03:44:09,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 03:44:09,652 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2023-08-29 03:44:09,660 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:44:09,660 INFO L85 PathProgramCache]: Analyzing trace with hash 769743878, now seen corresponding path program 1 times [2023-08-29 03:44:09,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:44:09,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839261021] [2023-08-29 03:44:09,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:44:09,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:44:09,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:44:09,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 03:44:09,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:44:09,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839261021] [2023-08-29 03:44:09,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839261021] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:44:09,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:44:09,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 03:44:09,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588613329] [2023-08-29 03:44:09,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:44:09,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 03:44:09,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:44:09,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 03:44:09,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 03:44:09,786 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 353 [2023-08-29 03:44:09,787 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 39 transitions, 85 flow. Second operand has 3 states, 3 states have (on average 147.33333333333334) internal successors, (442), 3 states have internal predecessors, (442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:44:09,788 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:44:09,788 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 353 [2023-08-29 03:44:09,788 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:44:10,368 INFO L130 PetriNetUnfolder]: 6096/7971 cut-off events. [2023-08-29 03:44:10,368 INFO L131 PetriNetUnfolder]: For 124/124 co-relation queries the response was YES. [2023-08-29 03:44:10,376 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16097 conditions, 7971 events. 6096/7971 cut-off events. For 124/124 co-relation queries the response was YES. Maximal size of possible extension queue 344. Compared 34300 event pairs, 3456 based on Foata normal form. 0/6625 useless extension candidates. Maximal degree in co-relation 16094. Up to 7958 conditions per place. [2023-08-29 03:44:10,383 INFO L137 encePairwiseOnDemand]: 345/353 looper letters, 0 selfloop transitions, 0 changer transitions 46/46 dead transitions. [2023-08-29 03:44:10,383 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 46 transitions, 186 flow [2023-08-29 03:44:10,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 03:44:10,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 03:44:10,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 484 transitions. [2023-08-29 03:44:10,385 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45703493862134087 [2023-08-29 03:44:10,385 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 484 transitions. [2023-08-29 03:44:10,386 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 484 transitions. [2023-08-29 03:44:10,386 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:44:10,386 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 484 transitions. [2023-08-29 03:44:10,387 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 161.33333333333334) internal successors, (484), 3 states have internal predecessors, (484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:44:10,390 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 353.0) internal successors, (1412), 4 states have internal predecessors, (1412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:44:10,391 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 353.0) internal successors, (1412), 4 states have internal predecessors, (1412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:44:10,391 INFO L175 Difference]: Start difference. First operand has 42 places, 39 transitions, 85 flow. Second operand 3 states and 484 transitions. [2023-08-29 03:44:10,391 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 46 transitions, 186 flow [2023-08-29 03:44:10,391 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 46 transitions, 186 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 03:44:10,392 INFO L231 Difference]: Finished difference. Result has 39 places, 0 transitions, 0 flow [2023-08-29 03:44:10,392 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=77, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=39, PETRI_TRANSITIONS=0} [2023-08-29 03:44:10,393 INFO L281 CegarLoopForPetriNet]: 71 programPoint places, -32 predicate places. [2023-08-29 03:44:10,393 INFO L495 AbstractCegarLoop]: Abstraction has has 39 places, 0 transitions, 0 flow [2023-08-29 03:44:10,393 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 147.33333333333334) internal successors, (442), 3 states have internal predecessors, (442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:44:10,396 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (47 of 48 remaining) [2023-08-29 03:44:10,396 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (46 of 48 remaining) [2023-08-29 03:44:10,396 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (45 of 48 remaining) [2023-08-29 03:44:10,396 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (44 of 48 remaining) [2023-08-29 03:44:10,397 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (43 of 48 remaining) [2023-08-29 03:44:10,397 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (42 of 48 remaining) [2023-08-29 03:44:10,397 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (41 of 48 remaining) [2023-08-29 03:44:10,397 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (40 of 48 remaining) [2023-08-29 03:44:10,397 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (39 of 48 remaining) [2023-08-29 03:44:10,397 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (38 of 48 remaining) [2023-08-29 03:44:10,398 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (37 of 48 remaining) [2023-08-29 03:44:10,398 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (36 of 48 remaining) [2023-08-29 03:44:10,398 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (35 of 48 remaining) [2023-08-29 03:44:10,398 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (34 of 48 remaining) [2023-08-29 03:44:10,398 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (33 of 48 remaining) [2023-08-29 03:44:10,398 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (32 of 48 remaining) [2023-08-29 03:44:10,399 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (31 of 48 remaining) [2023-08-29 03:44:10,399 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (30 of 48 remaining) [2023-08-29 03:44:10,399 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (29 of 48 remaining) [2023-08-29 03:44:10,399 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (28 of 48 remaining) [2023-08-29 03:44:10,399 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (27 of 48 remaining) [2023-08-29 03:44:10,399 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (26 of 48 remaining) [2023-08-29 03:44:10,400 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (25 of 48 remaining) [2023-08-29 03:44:10,400 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 48 remaining) [2023-08-29 03:44:10,400 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 48 remaining) [2023-08-29 03:44:10,400 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (22 of 48 remaining) [2023-08-29 03:44:10,400 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (21 of 48 remaining) [2023-08-29 03:44:10,400 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (20 of 48 remaining) [2023-08-29 03:44:10,401 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (19 of 48 remaining) [2023-08-29 03:44:10,401 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (18 of 48 remaining) [2023-08-29 03:44:10,401 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (17 of 48 remaining) [2023-08-29 03:44:10,401 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (16 of 48 remaining) [2023-08-29 03:44:10,401 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (15 of 48 remaining) [2023-08-29 03:44:10,401 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (14 of 48 remaining) [2023-08-29 03:44:10,402 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (13 of 48 remaining) [2023-08-29 03:44:10,402 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (12 of 48 remaining) [2023-08-29 03:44:10,402 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (11 of 48 remaining) [2023-08-29 03:44:10,402 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (10 of 48 remaining) [2023-08-29 03:44:10,402 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (9 of 48 remaining) [2023-08-29 03:44:10,402 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (8 of 48 remaining) [2023-08-29 03:44:10,403 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (7 of 48 remaining) [2023-08-29 03:44:10,403 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (6 of 48 remaining) [2023-08-29 03:44:10,403 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (5 of 48 remaining) [2023-08-29 03:44:10,403 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (4 of 48 remaining) [2023-08-29 03:44:10,403 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (3 of 48 remaining) [2023-08-29 03:44:10,403 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (2 of 48 remaining) [2023-08-29 03:44:10,404 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (1 of 48 remaining) [2023-08-29 03:44:10,404 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (0 of 48 remaining) [2023-08-29 03:44:10,404 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-29 03:44:10,404 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-08-29 03:44:10,409 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-29 03:44:10,409 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-29 03:44:10,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 03:44:10 BasicIcfg [2023-08-29 03:44:10,413 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-29 03:44:10,413 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-29 03:44:10,413 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-29 03:44:10,413 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-29 03:44:10,414 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:44:04" (3/4) ... [2023-08-29 03:44:10,416 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-29 03:44:10,420 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-08-29 03:44:10,420 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-08-29 03:44:10,420 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-08-29 03:44:10,421 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2023-08-29 03:44:10,424 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2023-08-29 03:44:10,425 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-08-29 03:44:10,425 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-29 03:44:10,425 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-29 03:44:10,459 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-29 03:44:10,459 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-29 03:44:10,460 INFO L158 Benchmark]: Toolchain (without parser) took 7434.29ms. Allocated memory was 69.2MB in the beginning and 151.0MB in the end (delta: 81.8MB). Free memory was 46.5MB in the beginning and 54.9MB in the end (delta: -8.3MB). Peak memory consumption was 76.8MB. Max. memory is 16.1GB. [2023-08-29 03:44:10,460 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 54.5MB. Free memory is still 32.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 03:44:10,460 INFO L158 Benchmark]: CACSL2BoogieTranslator took 259.32ms. Allocated memory is still 69.2MB. Free memory was 46.3MB in the beginning and 34.5MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-08-29 03:44:10,460 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.48ms. Allocated memory is still 69.2MB. Free memory was 34.5MB in the beginning and 32.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 03:44:10,461 INFO L158 Benchmark]: Boogie Preprocessor took 58.83ms. Allocated memory is still 69.2MB. Free memory was 32.4MB in the beginning and 48.1MB in the end (delta: -15.7MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. [2023-08-29 03:44:10,461 INFO L158 Benchmark]: RCFGBuilder took 701.55ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 48.1MB in the beginning and 50.3MB in the end (delta: -2.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-08-29 03:44:10,461 INFO L158 Benchmark]: TraceAbstraction took 6295.73ms. Allocated memory was 83.9MB in the beginning and 151.0MB in the end (delta: 67.1MB). Free memory was 49.6MB in the beginning and 58.2MB in the end (delta: -8.6MB). Peak memory consumption was 84.0MB. Max. memory is 16.1GB. [2023-08-29 03:44:10,462 INFO L158 Benchmark]: Witness Printer took 45.87ms. Allocated memory is still 151.0MB. Free memory was 58.2MB in the beginning and 54.9MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-29 03:44:10,463 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 54.5MB. Free memory is still 32.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 259.32ms. Allocated memory is still 69.2MB. Free memory was 46.3MB in the beginning and 34.5MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.48ms. Allocated memory is still 69.2MB. Free memory was 34.5MB in the beginning and 32.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.83ms. Allocated memory is still 69.2MB. Free memory was 32.4MB in the beginning and 48.1MB in the end (delta: -15.7MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. * RCFGBuilder took 701.55ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 48.1MB in the beginning and 50.3MB in the end (delta: -2.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 6295.73ms. Allocated memory was 83.9MB in the beginning and 151.0MB in the end (delta: 67.1MB). Free memory was 49.6MB in the beginning and 58.2MB in the end (delta: -8.6MB). Peak memory consumption was 84.0MB. Max. memory is 16.1GB. * Witness Printer took 45.87ms. Allocated memory is still 151.0MB. Free memory was 58.2MB in the beginning and 54.9MB in the end (delta: 3.3MB). 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: 4.7s, 173 PlacesBefore, 71 PlacesAfterwards, 169 TransitionsBefore, 66 TransitionsAfterwards, 7430 CoEnabledTransitionPairs, 8 FixpointIterations, 55 TrivialSequentialCompositions, 87 ConcurrentSequentialCompositions, 3 TrivialYvCompositions, 15 ConcurrentYvCompositions, 1 ChoiceCompositions, 161 TotalNumberOfCompositions, 25781 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 10091, independent: 9689, independent conditional: 0, independent unconditional: 9689, dependent: 402, dependent conditional: 0, dependent unconditional: 402, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 4275, independent: 4227, independent conditional: 0, independent unconditional: 4227, dependent: 48, dependent conditional: 0, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 10091, independent: 5462, independent conditional: 0, independent unconditional: 5462, dependent: 354, dependent conditional: 0, dependent unconditional: 354, unknown: 4275, unknown conditional: 0, unknown unconditional: 4275] , Statistics on independence cache: Total cache size (in pairs): 542, Positive cache size: 516, Positive conditional cache size: 0, Positive unconditional cache size: 516, Negative cache size: 26, Negative conditional cache size: 0, Negative unconditional cache size: 26, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 41]: 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: 43]: 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: 51]: 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: 54]: 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: 64]: 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: 88]: 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: 97]: 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 - PositiveResult [Line: 100]: 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: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: 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 9 procedures, 249 locations, 48 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: 6.1s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.8s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 44 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 28 mSDsluCounter, 8 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 79 IncrementalHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 8 mSDtfsCounter, 79 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=156occurred in iteration=0, InterpolantAutomatonStates: 5, 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, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 6 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 26 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-29 03:44:10,482 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