./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/weaver/popl20-counter-determinism.wvr.c --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations BEFORE --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/weaver/popl20-counter-determinism.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 65bf47faf943da19c0d2d15e35f35ceed9dd68ed50ac4355a0589bd57bf3d155 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations BEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-31 21:48:37,607 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-31 21:48:37,609 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-31 21:48:37,649 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-31 21:48:37,651 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-31 21:48:37,653 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-31 21:48:37,655 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-31 21:48:37,658 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-31 21:48:37,660 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-31 21:48:37,664 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-31 21:48:37,665 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-31 21:48:37,666 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-31 21:48:37,667 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-31 21:48:37,668 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-31 21:48:37,669 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-31 21:48:37,671 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-31 21:48:37,673 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-31 21:48:37,674 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-31 21:48:37,676 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-31 21:48:37,679 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-31 21:48:37,688 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-31 21:48:37,690 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-31 21:48:37,691 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-31 21:48:37,691 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-31 21:48:37,696 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-31 21:48:37,698 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-31 21:48:37,698 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-31 21:48:37,699 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-31 21:48:37,699 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-31 21:48:37,700 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-31 21:48:37,700 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-31 21:48:37,701 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-31 21:48:37,701 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-31 21:48:37,702 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-31 21:48:37,703 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-31 21:48:37,703 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-31 21:48:37,703 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-31 21:48:37,704 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-31 21:48:37,704 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-31 21:48:37,705 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-31 21:48:37,705 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-31 21:48:37,706 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-31 21:48:37,740 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-31 21:48:37,741 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-31 21:48:37,742 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-31 21:48:37,742 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-31 21:48:37,743 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-31 21:48:37,743 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-31 21:48:37,744 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-31 21:48:37,744 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-31 21:48:37,744 INFO L138 SettingsManager]: * Use SBE=true [2023-08-31 21:48:37,744 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-31 21:48:37,745 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-31 21:48:37,745 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-31 21:48:37,746 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-31 21:48:37,746 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-31 21:48:37,746 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-31 21:48:37,746 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-31 21:48:37,746 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-31 21:48:37,746 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-31 21:48:37,747 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-31 21:48:37,747 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-31 21:48:37,747 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-31 21:48:37,747 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-31 21:48:37,747 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-31 21:48:37,748 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-31 21:48:37,748 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-31 21:48:37,748 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-31 21:48:37,748 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-31 21:48:37,748 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-31 21:48:37,749 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-31 21:48:37,749 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-31 21:48:37,749 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-31 21:48:37,749 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-31 21:48:37,749 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-31 21:48:37,750 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-31 21:48:37,750 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-31 21:48:37,750 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-31 21:48:37,750 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-31 21:48:37,750 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 65bf47faf943da19c0d2d15e35f35ceed9dd68ed50ac4355a0589bd57bf3d155 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> BEFORE [2023-08-31 21:48:38,041 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-31 21:48:38,062 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-31 21:48:38,064 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-31 21:48:38,065 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-31 21:48:38,065 INFO L275 PluginConnector]: CDTParser initialized [2023-08-31 21:48:38,067 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-counter-determinism.wvr.c [2023-08-31 21:48:39,270 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-31 21:48:39,446 INFO L351 CDTParser]: Found 1 translation units. [2023-08-31 21:48:39,447 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-counter-determinism.wvr.c [2023-08-31 21:48:39,452 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c91ed7b65/e074df45085a428fa30a9613f9fa257a/FLAG24cc9b6d8 [2023-08-31 21:48:39,464 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c91ed7b65/e074df45085a428fa30a9613f9fa257a [2023-08-31 21:48:39,466 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-31 21:48:39,467 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-31 21:48:39,468 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-31 21:48:39,468 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-31 21:48:39,473 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-31 21:48:39,475 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 09:48:39" (1/1) ... [2023-08-31 21:48:39,477 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@772b91a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:48:39, skipping insertion in model container [2023-08-31 21:48:39,477 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 09:48:39" (1/1) ... [2023-08-31 21:48:39,483 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-31 21:48:39,502 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-31 21:48:39,645 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-counter-determinism.wvr.c[2476,2489] [2023-08-31 21:48:39,646 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-31 21:48:39,655 INFO L203 MainTranslator]: Completed pre-run [2023-08-31 21:48:39,683 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-counter-determinism.wvr.c[2476,2489] [2023-08-31 21:48:39,684 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-31 21:48:39,696 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-31 21:48:39,696 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-31 21:48:39,711 INFO L208 MainTranslator]: Completed translation [2023-08-31 21:48:39,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:48:39 WrapperNode [2023-08-31 21:48:39,711 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-31 21:48:39,713 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-31 21:48:39,713 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-31 21:48:39,713 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-31 21:48:39,719 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:48:39" (1/1) ... [2023-08-31 21:48:39,742 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:48:39" (1/1) ... [2023-08-31 21:48:39,774 INFO L138 Inliner]: procedures = 23, calls = 41, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 165 [2023-08-31 21:48:39,776 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-31 21:48:39,778 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-31 21:48:39,778 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-31 21:48:39,778 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-31 21:48:39,785 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:48:39" (1/1) ... [2023-08-31 21:48:39,786 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:48:39" (1/1) ... [2023-08-31 21:48:39,800 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:48:39" (1/1) ... [2023-08-31 21:48:39,802 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:48:39" (1/1) ... [2023-08-31 21:48:39,810 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:48:39" (1/1) ... [2023-08-31 21:48:39,823 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:48:39" (1/1) ... [2023-08-31 21:48:39,826 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:48:39" (1/1) ... [2023-08-31 21:48:39,831 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:48:39" (1/1) ... [2023-08-31 21:48:39,833 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-31 21:48:39,837 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-31 21:48:39,837 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-31 21:48:39,838 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-31 21:48:39,839 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:48:39" (1/1) ... [2023-08-31 21:48:39,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-31 21:48:39,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-31 21:48:39,864 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-31 21:48:39,885 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-31 21:48:39,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-31 21:48:39,900 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-31 21:48:39,900 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-31 21:48:39,900 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-31 21:48:39,901 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-31 21:48:39,901 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-08-31 21:48:39,901 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-08-31 21:48:39,901 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-08-31 21:48:39,901 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-08-31 21:48:39,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-31 21:48:39,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-31 21:48:39,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-31 21:48:39,902 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-31 21:48:39,902 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-31 21:48:39,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-31 21:48:39,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-31 21:48:39,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-31 21:48:39,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-31 21:48:39,904 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-31 21:48:40,028 INFO L236 CfgBuilder]: Building ICFG [2023-08-31 21:48:40,038 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-31 21:48:40,319 INFO L277 CfgBuilder]: Performing block encoding [2023-08-31 21:48:40,419 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-31 21:48:40,420 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-08-31 21:48:40,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 09:48:40 BoogieIcfgContainer [2023-08-31 21:48:40,422 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-31 21:48:40,423 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-31 21:48:40,423 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-31 21:48:40,426 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-31 21:48:40,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.08 09:48:39" (1/3) ... [2023-08-31 21:48:40,427 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c4a2210 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.08 09:48:40, skipping insertion in model container [2023-08-31 21:48:40,427 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:48:39" (2/3) ... [2023-08-31 21:48:40,427 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c4a2210 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.08 09:48:40, skipping insertion in model container [2023-08-31 21:48:40,427 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 09:48:40" (3/3) ... [2023-08-31 21:48:40,428 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-counter-determinism.wvr.c [2023-08-31 21:48:40,435 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-31 21:48:40,442 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-31 21:48:40,443 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 21 error locations. [2023-08-31 21:48:40,443 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-31 21:48:40,509 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-08-31 21:48:40,545 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 179 places, 175 transitions, 382 flow [2023-08-31 21:48:40,597 INFO L130 PetriNetUnfolder]: 9/171 cut-off events. [2023-08-31 21:48:40,598 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2023-08-31 21:48:40,606 INFO L83 FinitePrefix]: Finished finitePrefix Result has 188 conditions, 171 events. 9/171 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 195 event pairs, 0 based on Foata normal form. 0/141 useless extension candidates. Maximal degree in co-relation 102. Up to 2 conditions per place. [2023-08-31 21:48:40,606 INFO L82 GeneralOperation]: Start removeDead. Operand has 179 places, 175 transitions, 382 flow [2023-08-31 21:48:40,611 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 157 places, 152 transitions, 328 flow [2023-08-31 21:48:40,615 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-31 21:48:40,623 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 157 places, 152 transitions, 328 flow [2023-08-31 21:48:40,625 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 157 places, 152 transitions, 328 flow [2023-08-31 21:48:40,633 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 157 places, 152 transitions, 328 flow [2023-08-31 21:48:40,663 INFO L130 PetriNetUnfolder]: 8/152 cut-off events. [2023-08-31 21:48:40,663 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2023-08-31 21:48:40,665 INFO L83 FinitePrefix]: Finished finitePrefix Result has 169 conditions, 152 events. 8/152 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 191 event pairs, 0 based on Foata normal form. 0/124 useless extension candidates. Maximal degree in co-relation 101. Up to 2 conditions per place. [2023-08-31 21:48:40,669 INFO L119 LiptonReduction]: Number of co-enabled transitions 6794 [2023-08-31 21:48:44,463 INFO L134 LiptonReduction]: Checked pairs total: 18576 [2023-08-31 21:48:44,464 INFO L136 LiptonReduction]: Total number of compositions: 136 [2023-08-31 21:48:44,485 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-31 21:48:44,489 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;@29f0e4b3, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-31 21:48:44,490 INFO L358 AbstractCegarLoop]: Starting to check reachability of 39 error locations. [2023-08-31 21:48:44,491 INFO L130 PetriNetUnfolder]: 0/1 cut-off events. [2023-08-31 21:48:44,491 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-31 21:48:44,492 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:48:44,492 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-31 21:48:44,492 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2023-08-31 21:48:44,496 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:48:44,496 INFO L85 PathProgramCache]: Analyzing trace with hash 744, now seen corresponding path program 1 times [2023-08-31 21:48:44,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:48:44,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210857044] [2023-08-31 21:48:44,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:48:44,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:48:44,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:48:44,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:48:44,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:48:44,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210857044] [2023-08-31 21:48:44,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210857044] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:48:44,581 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:48:44,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-31 21:48:44,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944446002] [2023-08-31 21:48:44,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:48:44,589 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-31 21:48:44,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:48:44,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-31 21:48:44,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-31 21:48:44,611 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 147 out of 311 [2023-08-31 21:48:44,613 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 61 transitions, 146 flow. Second operand has 2 states, 2 states have (on average 147.5) internal successors, (295), 2 states have internal predecessors, (295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:48:44,614 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:48:44,614 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 147 of 311 [2023-08-31 21:48:44,615 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:48:44,842 INFO L130 PetriNetUnfolder]: 1437/2023 cut-off events. [2023-08-31 21:48:44,843 INFO L131 PetriNetUnfolder]: For 84/84 co-relation queries the response was YES. [2023-08-31 21:48:44,848 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3959 conditions, 2023 events. 1437/2023 cut-off events. For 84/84 co-relation queries the response was YES. Maximal size of possible extension queue 132. Compared 9550 event pairs, 705 based on Foata normal form. 706/2482 useless extension candidates. Maximal degree in co-relation 2976. Up to 1798 conditions per place. [2023-08-31 21:48:44,860 INFO L137 encePairwiseOnDemand]: 290/311 looper letters, 24 selfloop transitions, 0 changer transitions 1/40 dead transitions. [2023-08-31 21:48:44,860 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 40 transitions, 154 flow [2023-08-31 21:48:44,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-31 21:48:44,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-31 21:48:44,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 340 transitions. [2023-08-31 21:48:44,894 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5466237942122186 [2023-08-31 21:48:44,895 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 340 transitions. [2023-08-31 21:48:44,895 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 340 transitions. [2023-08-31 21:48:44,897 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:48:44,898 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 340 transitions. [2023-08-31 21:48:44,901 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 170.0) internal successors, (340), 2 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:48:44,905 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 311.0) internal successors, (933), 3 states have internal predecessors, (933), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:48:44,906 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 311.0) internal successors, (933), 3 states have internal predecessors, (933), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:48:44,907 INFO L175 Difference]: Start difference. First operand has 66 places, 61 transitions, 146 flow. Second operand 2 states and 340 transitions. [2023-08-31 21:48:44,908 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 40 transitions, 154 flow [2023-08-31 21:48:44,912 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 40 transitions, 138 flow, removed 0 selfloop flow, removed 8 redundant places. [2023-08-31 21:48:44,913 INFO L231 Difference]: Finished difference. Result has 42 places, 39 transitions, 85 flow [2023-08-31 21:48:44,915 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=311, 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} [2023-08-31 21:48:44,917 INFO L281 CegarLoopForPetriNet]: 66 programPoint places, -24 predicate places. [2023-08-31 21:48:44,918 INFO L495 AbstractCegarLoop]: Abstraction has has 42 places, 39 transitions, 85 flow [2023-08-31 21:48:44,918 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 147.5) internal successors, (295), 2 states have internal predecessors, (295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:48:44,918 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:48:44,918 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-08-31 21:48:44,919 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-31 21:48:44,919 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2023-08-31 21:48:44,919 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:48:44,920 INFO L85 PathProgramCache]: Analyzing trace with hash 703627720, now seen corresponding path program 1 times [2023-08-31 21:48:44,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:48:44,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094598689] [2023-08-31 21:48:44,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:48:44,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:48:44,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:48:45,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:48:45,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:48:45,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094598689] [2023-08-31 21:48:45,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2094598689] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:48:45,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:48:45,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:48:45,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330478257] [2023-08-31 21:48:45,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:48:45,048 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:48:45,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:48:45,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:48:45,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:48:45,064 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 134 out of 311 [2023-08-31 21:48:45,065 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 39 transitions, 85 flow. Second operand has 3 states, 3 states have (on average 135.33333333333334) internal successors, (406), 3 states have internal predecessors, (406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:48:45,065 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:48:45,065 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 134 of 311 [2023-08-31 21:48:45,065 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:48:45,771 INFO L130 PetriNetUnfolder]: 6096/7971 cut-off events. [2023-08-31 21:48:45,772 INFO L131 PetriNetUnfolder]: For 124/124 co-relation queries the response was YES. [2023-08-31 21:48:45,777 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 348. Compared 34421 event pairs, 3456 based on Foata normal form. 0/6627 useless extension candidates. Maximal degree in co-relation 16094. Up to 7958 conditions per place. [2023-08-31 21:48:45,784 INFO L137 encePairwiseOnDemand]: 303/311 looper letters, 0 selfloop transitions, 0 changer transitions 46/46 dead transitions. [2023-08-31 21:48:45,784 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 46 transitions, 186 flow [2023-08-31 21:48:45,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:48:45,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:48:45,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 448 transitions. [2023-08-31 21:48:45,787 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48017148981779206 [2023-08-31 21:48:45,787 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 448 transitions. [2023-08-31 21:48:45,787 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 448 transitions. [2023-08-31 21:48:45,788 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:48:45,788 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 448 transitions. [2023-08-31 21:48:45,789 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 149.33333333333334) internal successors, (448), 3 states have internal predecessors, (448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:48:45,792 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 311.0) internal successors, (1244), 4 states have internal predecessors, (1244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:48:45,792 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 311.0) internal successors, (1244), 4 states have internal predecessors, (1244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:48:45,793 INFO L175 Difference]: Start difference. First operand has 42 places, 39 transitions, 85 flow. Second operand 3 states and 448 transitions. [2023-08-31 21:48:45,793 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 46 transitions, 186 flow [2023-08-31 21:48:45,793 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 46 transitions, 186 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 21:48:45,794 INFO L231 Difference]: Finished difference. Result has 39 places, 0 transitions, 0 flow [2023-08-31 21:48:45,794 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=311, 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} [2023-08-31 21:48:45,795 INFO L281 CegarLoopForPetriNet]: 66 programPoint places, -27 predicate places. [2023-08-31 21:48:45,795 INFO L495 AbstractCegarLoop]: Abstraction has has 39 places, 0 transitions, 0 flow [2023-08-31 21:48:45,795 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 135.33333333333334) internal successors, (406), 3 states have internal predecessors, (406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:48:45,798 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (38 of 39 remaining) [2023-08-31 21:48:45,798 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (37 of 39 remaining) [2023-08-31 21:48:45,798 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (36 of 39 remaining) [2023-08-31 21:48:45,799 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (35 of 39 remaining) [2023-08-31 21:48:45,799 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (34 of 39 remaining) [2023-08-31 21:48:45,799 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (33 of 39 remaining) [2023-08-31 21:48:45,799 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (32 of 39 remaining) [2023-08-31 21:48:45,799 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (31 of 39 remaining) [2023-08-31 21:48:45,800 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (30 of 39 remaining) [2023-08-31 21:48:45,800 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (29 of 39 remaining) [2023-08-31 21:48:45,800 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (28 of 39 remaining) [2023-08-31 21:48:45,800 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (27 of 39 remaining) [2023-08-31 21:48:45,801 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (26 of 39 remaining) [2023-08-31 21:48:45,801 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (25 of 39 remaining) [2023-08-31 21:48:45,801 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (24 of 39 remaining) [2023-08-31 21:48:45,801 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (23 of 39 remaining) [2023-08-31 21:48:45,802 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (22 of 39 remaining) [2023-08-31 21:48:45,802 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (21 of 39 remaining) [2023-08-31 21:48:45,802 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (20 of 39 remaining) [2023-08-31 21:48:45,802 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (19 of 39 remaining) [2023-08-31 21:48:45,802 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 39 remaining) [2023-08-31 21:48:45,803 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (17 of 39 remaining) [2023-08-31 21:48:45,803 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (16 of 39 remaining) [2023-08-31 21:48:45,803 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (15 of 39 remaining) [2023-08-31 21:48:45,803 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (14 of 39 remaining) [2023-08-31 21:48:45,804 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (13 of 39 remaining) [2023-08-31 21:48:45,804 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (12 of 39 remaining) [2023-08-31 21:48:45,804 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (11 of 39 remaining) [2023-08-31 21:48:45,804 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (10 of 39 remaining) [2023-08-31 21:48:45,804 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (9 of 39 remaining) [2023-08-31 21:48:45,805 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (8 of 39 remaining) [2023-08-31 21:48:45,805 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (7 of 39 remaining) [2023-08-31 21:48:45,805 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (6 of 39 remaining) [2023-08-31 21:48:45,805 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (5 of 39 remaining) [2023-08-31 21:48:45,805 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (4 of 39 remaining) [2023-08-31 21:48:45,806 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (3 of 39 remaining) [2023-08-31 21:48:45,806 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (2 of 39 remaining) [2023-08-31 21:48:45,806 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (1 of 39 remaining) [2023-08-31 21:48:45,806 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (0 of 39 remaining) [2023-08-31 21:48:45,807 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-31 21:48:45,807 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-08-31 21:48:45,812 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-31 21:48:45,812 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-31 21:48:45,816 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.08 09:48:45 BasicIcfg [2023-08-31 21:48:45,816 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-31 21:48:45,817 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-31 21:48:45,817 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-31 21:48:45,817 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-31 21:48:45,817 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 09:48:40" (3/4) ... [2023-08-31 21:48:45,819 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-31 21:48:45,823 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-08-31 21:48:45,823 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-08-31 21:48:45,823 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-08-31 21:48:45,824 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2023-08-31 21:48:45,827 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2023-08-31 21:48:45,828 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-08-31 21:48:45,828 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-31 21:48:45,828 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-31 21:48:45,863 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-31 21:48:45,863 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-31 21:48:45,863 INFO L158 Benchmark]: Toolchain (without parser) took 6396.10ms. Allocated memory was 67.1MB in the beginning and 165.7MB in the end (delta: 98.6MB). Free memory was 39.9MB in the beginning and 67.6MB in the end (delta: -27.7MB). Peak memory consumption was 69.9MB. Max. memory is 16.1GB. [2023-08-31 21:48:45,864 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 67.1MB. Free memory was 45.3MB in the beginning and 45.2MB in the end (delta: 97.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-31 21:48:45,864 INFO L158 Benchmark]: CACSL2BoogieTranslator took 243.41ms. Allocated memory was 67.1MB in the beginning and 83.9MB in the end (delta: 16.8MB). Free memory was 39.7MB in the beginning and 63.8MB in the end (delta: -24.1MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. [2023-08-31 21:48:45,865 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.53ms. Allocated memory is still 83.9MB. Free memory was 63.8MB in the beginning and 61.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-31 21:48:45,865 INFO L158 Benchmark]: Boogie Preprocessor took 57.81ms. Allocated memory is still 83.9MB. Free memory was 61.7MB in the beginning and 59.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-31 21:48:45,865 INFO L158 Benchmark]: RCFGBuilder took 585.40ms. Allocated memory is still 83.9MB. Free memory was 59.6MB in the beginning and 57.7MB in the end (delta: 2.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-08-31 21:48:45,866 INFO L158 Benchmark]: TraceAbstraction took 5392.80ms. Allocated memory was 83.9MB in the beginning and 165.7MB in the end (delta: 81.8MB). Free memory was 57.2MB in the beginning and 70.8MB in the end (delta: -13.5MB). Peak memory consumption was 91.2MB. Max. memory is 16.1GB. [2023-08-31 21:48:45,866 INFO L158 Benchmark]: Witness Printer took 46.40ms. Allocated memory is still 165.7MB. Free memory was 70.8MB in the beginning and 67.6MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-31 21:48:45,868 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 67.1MB. Free memory was 45.3MB in the beginning and 45.2MB in the end (delta: 97.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 243.41ms. Allocated memory was 67.1MB in the beginning and 83.9MB in the end (delta: 16.8MB). Free memory was 39.7MB in the beginning and 63.8MB in the end (delta: -24.1MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.53ms. Allocated memory is still 83.9MB. Free memory was 63.8MB in the beginning and 61.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.81ms. Allocated memory is still 83.9MB. Free memory was 61.7MB in the beginning and 59.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 585.40ms. Allocated memory is still 83.9MB. Free memory was 59.6MB in the beginning and 57.7MB in the end (delta: 2.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 5392.80ms. Allocated memory was 83.9MB in the beginning and 165.7MB in the end (delta: 81.8MB). Free memory was 57.2MB in the beginning and 70.8MB in the end (delta: -13.5MB). Peak memory consumption was 91.2MB. Max. memory is 16.1GB. * Witness Printer took 46.40ms. Allocated memory is still 165.7MB. Free memory was 70.8MB in the beginning and 67.6MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.8s, 157 PlacesBefore, 66 PlacesAfterwards, 152 TransitionsBefore, 61 TransitionsAfterwards, 6794 CoEnabledTransitionPairs, 6 FixpointIterations, 34 TrivialSequentialCompositions, 88 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 14 ConcurrentYvCompositions, 0 ChoiceCompositions, 136 TotalNumberOfCompositions, 18576 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 8343, independent: 8076, independent conditional: 0, independent unconditional: 8076, dependent: 267, dependent conditional: 0, dependent unconditional: 267, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 3952, independent: 3916, independent conditional: 0, independent unconditional: 3916, dependent: 36, dependent conditional: 0, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 8343, independent: 4160, independent conditional: 0, independent unconditional: 4160, dependent: 231, dependent conditional: 0, dependent unconditional: 231, unknown: 3952, unknown conditional: 0, unknown unconditional: 3952] , Statistics on independence cache: Total cache size (in pairs): 476, Positive cache size: 455, Positive conditional cache size: 0, Positive unconditional cache size: 455, Negative cache size: 21, Negative conditional cache size: 0, Negative unconditional cache size: 21, 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: 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: 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: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: 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: 97]: 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: 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 - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 229 locations, 39 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: 5.3s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.9s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 47 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 27 mSDsluCounter, 19 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 78 IncrementalHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 19 mSDtfsCounter, 78 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=146occurred 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 21 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-31 21:48:45,889 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