./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/weaver/bench-exp2x3.wvr.c --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/weaver/bench-exp2x3.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 ebb6bba6491ab996b2a2d1f88baf86906cd5ba5ce7e0ad4dc20017ded9089a97 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-29 18:47:56,239 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 18:47:56,241 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 18:47:56,269 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 18:47:56,283 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 18:47:56,286 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 18:47:56,289 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 18:47:56,291 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 18:47:56,293 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 18:47:56,298 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 18:47:56,299 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 18:47:56,301 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 18:47:56,301 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 18:47:56,303 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 18:47:56,305 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 18:47:56,309 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 18:47:56,310 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 18:47:56,311 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 18:47:56,313 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 18:47:56,318 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 18:47:56,319 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 18:47:56,320 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 18:47:56,320 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 18:47:56,321 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 18:47:56,327 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 18:47:56,328 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 18:47:56,328 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 18:47:56,330 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 18:47:56,330 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 18:47:56,331 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 18:47:56,331 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 18:47:56,337 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 18:47:56,339 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 18:47:56,339 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 18:47:56,340 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 18:47:56,340 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 18:47:56,341 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 18:47:56,341 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 18:47:56,341 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 18:47:56,342 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 18:47:56,342 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 18:47:56,344 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 18:47:56,381 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 18:47:56,381 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 18:47:56,382 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 18:47:56,382 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 18:47:56,383 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 18:47:56,383 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 18:47:56,384 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 18:47:56,384 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 18:47:56,384 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 18:47:56,384 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 18:47:56,385 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 18:47:56,385 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 18:47:56,386 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 18:47:56,386 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 18:47:56,386 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 18:47:56,386 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 18:47:56,386 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 18:47:56,387 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 18:47:56,387 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 18:47:56,387 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 18:47:56,387 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 18:47:56,387 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 18:47:56,387 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 18:47:56,388 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 18:47:56,388 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 18:47:56,388 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 18:47:56,388 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 18:47:56,389 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 18:47:56,389 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 18:47:56,389 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 18:47:56,389 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 18:47:56,389 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 18:47:56,390 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 18:47:56,390 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 18:47:56,390 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 18:47:56,390 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 18:47:56,390 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 18:47:56,391 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ebb6bba6491ab996b2a2d1f88baf86906cd5ba5ce7e0ad4dc20017ded9089a97 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> TOGETHER [2023-08-29 18:47:56,696 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 18:47:56,719 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 18:47:56,722 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 18:47:56,723 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 18:47:56,724 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 18:47:56,725 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/bench-exp2x3.wvr.c [2023-08-29 18:47:57,956 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 18:47:58,130 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 18:47:58,131 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/bench-exp2x3.wvr.c [2023-08-29 18:47:58,136 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dcaf55de0/29ea3c77a145450cbd92e3489bda9868/FLAG7fb13b1b1 [2023-08-29 18:47:58,147 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dcaf55de0/29ea3c77a145450cbd92e3489bda9868 [2023-08-29 18:47:58,149 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 18:47:58,150 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 18:47:58,151 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 18:47:58,151 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 18:47:58,156 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 18:47:58,156 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 06:47:58" (1/1) ... [2023-08-29 18:47:58,158 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15524fbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:47:58, skipping insertion in model container [2023-08-29 18:47:58,158 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 06:47:58" (1/1) ... [2023-08-29 18:47:58,163 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 18:47:58,181 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 18:47:58,347 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/bench-exp2x3.wvr.c[2237,2250] [2023-08-29 18:47:58,348 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 18:47:58,356 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 18:47:58,394 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/bench-exp2x3.wvr.c[2237,2250] [2023-08-29 18:47:58,394 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 18:47:58,406 INFO L208 MainTranslator]: Completed translation [2023-08-29 18:47:58,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:47:58 WrapperNode [2023-08-29 18:47:58,406 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 18:47:58,407 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 18:47:58,407 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 18:47:58,407 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 18:47:58,411 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:47:58" (1/1) ... [2023-08-29 18:47:58,427 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:47:58" (1/1) ... [2023-08-29 18:47:58,451 INFO L138 Inliner]: procedures = 20, calls = 32, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 172 [2023-08-29 18:47:58,452 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 18:47:58,452 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 18:47:58,452 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 18:47:58,452 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 18:47:58,460 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:47:58" (1/1) ... [2023-08-29 18:47:58,460 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:47:58" (1/1) ... [2023-08-29 18:47:58,463 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:47:58" (1/1) ... [2023-08-29 18:47:58,464 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:47:58" (1/1) ... [2023-08-29 18:47:58,471 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:47:58" (1/1) ... [2023-08-29 18:47:58,474 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:47:58" (1/1) ... [2023-08-29 18:47:58,476 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:47:58" (1/1) ... [2023-08-29 18:47:58,477 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:47:58" (1/1) ... [2023-08-29 18:47:58,480 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 18:47:58,481 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 18:47:58,481 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 18:47:58,481 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 18:47:58,482 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:47:58" (1/1) ... [2023-08-29 18:47:58,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 18:47:58,500 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 18:47:58,512 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 18:47:58,531 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 18:47:58,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 18:47:58,548 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-29 18:47:58,548 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-29 18:47:58,548 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-29 18:47:58,548 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-29 18:47:58,549 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-08-29 18:47:58,549 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-08-29 18:47:58,549 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-08-29 18:47:58,550 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-08-29 18:47:58,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 18:47:58,550 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 18:47:58,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 18:47:58,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 18:47:58,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 18:47:58,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 18:47:58,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 18:47:58,552 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 18:47:58,634 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 18:47:58,636 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 18:47:59,020 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 18:47:59,029 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 18:47:59,030 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-08-29 18:47:59,032 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 06:47:59 BoogieIcfgContainer [2023-08-29 18:47:59,032 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 18:47:59,034 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 18:47:59,034 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 18:47:59,036 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 18:47:59,037 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 06:47:58" (1/3) ... [2023-08-29 18:47:59,037 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c08963d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 06:47:59, skipping insertion in model container [2023-08-29 18:47:59,037 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:47:58" (2/3) ... [2023-08-29 18:47:59,038 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c08963d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 06:47:59, skipping insertion in model container [2023-08-29 18:47:59,038 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 06:47:59" (3/3) ... [2023-08-29 18:47:59,039 INFO L112 eAbstractionObserver]: Analyzing ICFG bench-exp2x3.wvr.c [2023-08-29 18:47:59,046 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 18:47:59,054 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 18:47:59,054 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 39 error locations. [2023-08-29 18:47:59,055 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 18:47:59,155 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-08-29 18:47:59,192 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 287 places, 288 transitions, 608 flow [2023-08-29 18:47:59,295 INFO L130 PetriNetUnfolder]: 14/284 cut-off events. [2023-08-29 18:47:59,296 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2023-08-29 18:47:59,302 INFO L83 FinitePrefix]: Finished finitePrefix Result has 301 conditions, 284 events. 14/284 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 417 event pairs, 0 based on Foata normal form. 0/231 useless extension candidates. Maximal degree in co-relation 193. Up to 2 conditions per place. [2023-08-29 18:47:59,302 INFO L82 GeneralOperation]: Start removeDead. Operand has 287 places, 288 transitions, 608 flow [2023-08-29 18:47:59,308 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 263 places, 262 transitions, 548 flow [2023-08-29 18:47:59,312 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 18:47:59,319 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 263 places, 262 transitions, 548 flow [2023-08-29 18:47:59,322 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 263 places, 262 transitions, 548 flow [2023-08-29 18:47:59,322 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 263 places, 262 transitions, 548 flow [2023-08-29 18:47:59,391 INFO L130 PetriNetUnfolder]: 12/262 cut-off events. [2023-08-29 18:47:59,391 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2023-08-29 18:47:59,396 INFO L83 FinitePrefix]: Finished finitePrefix Result has 279 conditions, 262 events. 12/262 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 397 event pairs, 0 based on Foata normal form. 0/212 useless extension candidates. Maximal degree in co-relation 193. Up to 2 conditions per place. [2023-08-29 18:47:59,404 INFO L119 LiptonReduction]: Number of co-enabled transitions 12144 [2023-08-29 18:48:07,801 INFO L134 LiptonReduction]: Checked pairs total: 23763 [2023-08-29 18:48:07,802 INFO L136 LiptonReduction]: Total number of compositions: 319 [2023-08-29 18:48:07,816 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 18:48:07,822 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;@69904393, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 18:48:07,822 INFO L358 AbstractCegarLoop]: Starting to check reachability of 63 error locations. [2023-08-29 18:48:07,824 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-29 18:48:07,824 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 18:48:07,824 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:48:07,825 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-29 18:48:07,825 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2023-08-29 18:48:07,829 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:48:07,830 INFO L85 PathProgramCache]: Analyzing trace with hash 1060, now seen corresponding path program 1 times [2023-08-29 18:48:07,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:48:07,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987306278] [2023-08-29 18:48:07,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:48:07,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:48:07,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:48:07,916 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 18:48:07,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:48:07,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987306278] [2023-08-29 18:48:07,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [987306278] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:48:07,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:48:07,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-29 18:48:07,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785767123] [2023-08-29 18:48:07,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:48:07,927 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-29 18:48:07,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:48:07,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-29 18:48:07,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-29 18:48:07,962 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 273 out of 607 [2023-08-29 18:48:07,964 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 71 transitions, 166 flow. Second operand has 2 states, 2 states have (on average 273.5) internal successors, (547), 2 states have internal predecessors, (547), 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 18:48:07,964 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:48:07,965 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 273 of 607 [2023-08-29 18:48:07,965 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:48:08,113 INFO L130 PetriNetUnfolder]: 976/1366 cut-off events. [2023-08-29 18:48:08,113 INFO L131 PetriNetUnfolder]: For 92/92 co-relation queries the response was YES. [2023-08-29 18:48:08,116 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2788 conditions, 1366 events. 976/1366 cut-off events. For 92/92 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 4428 event pairs, 624 based on Foata normal form. 1/1015 useless extension candidates. Maximal degree in co-relation 2170. Up to 1297 conditions per place. [2023-08-29 18:48:08,122 INFO L137 encePairwiseOnDemand]: 568/607 looper letters, 27 selfloop transitions, 0 changer transitions 1/32 dead transitions. [2023-08-29 18:48:08,123 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 32 transitions, 144 flow [2023-08-29 18:48:08,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-29 18:48:08,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-29 18:48:08,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 613 transitions. [2023-08-29 18:48:08,136 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5049423393739704 [2023-08-29 18:48:08,137 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 613 transitions. [2023-08-29 18:48:08,137 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 613 transitions. [2023-08-29 18:48:08,139 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:48:08,141 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 613 transitions. [2023-08-29 18:48:08,144 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 306.5) internal successors, (613), 2 states have internal predecessors, (613), 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 18:48:08,149 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 607.0) internal successors, (1821), 3 states have internal predecessors, (1821), 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 18:48:08,150 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 607.0) internal successors, (1821), 3 states have internal predecessors, (1821), 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 18:48:08,152 INFO L175 Difference]: Start difference. First operand has 76 places, 71 transitions, 166 flow. Second operand 2 states and 613 transitions. [2023-08-29 18:48:08,153 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 32 transitions, 144 flow [2023-08-29 18:48:08,157 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 32 transitions, 128 flow, removed 0 selfloop flow, removed 8 redundant places. [2023-08-29 18:48:08,158 INFO L231 Difference]: Finished difference. Result has 34 places, 31 transitions, 69 flow [2023-08-29 18:48:08,160 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=607, PETRI_DIFFERENCE_MINUEND_FLOW=72, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=69, PETRI_PLACES=34, PETRI_TRANSITIONS=31} [2023-08-29 18:48:08,163 INFO L281 CegarLoopForPetriNet]: 76 programPoint places, -42 predicate places. [2023-08-29 18:48:08,163 INFO L495 AbstractCegarLoop]: Abstraction has has 34 places, 31 transitions, 69 flow [2023-08-29 18:48:08,163 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 273.5) internal successors, (547), 2 states have internal predecessors, (547), 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 18:48:08,164 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 18:48:08,164 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2023-08-29 18:48:08,164 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 18:48:08,164 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2023-08-29 18:48:08,165 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 18:48:08,165 INFO L85 PathProgramCache]: Analyzing trace with hash 32864353, now seen corresponding path program 1 times [2023-08-29 18:48:08,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 18:48:08,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269495395] [2023-08-29 18:48:08,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 18:48:08,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 18:48:08,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 18:48:08,250 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 18:48:08,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 18:48:08,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269495395] [2023-08-29 18:48:08,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269495395] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 18:48:08,251 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 18:48:08,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 18:48:08,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767966650] [2023-08-29 18:48:08,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 18:48:08,252 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 18:48:08,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 18:48:08,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 18:48:08,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 18:48:08,278 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 260 out of 607 [2023-08-29 18:48:08,279 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 31 transitions, 69 flow. Second operand has 3 states, 3 states have (on average 261.3333333333333) internal successors, (784), 3 states have internal predecessors, (784), 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 18:48:08,279 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 18:48:08,280 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 260 of 607 [2023-08-29 18:48:08,280 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 18:48:08,431 INFO L130 PetriNetUnfolder]: 995/1322 cut-off events. [2023-08-29 18:48:08,432 INFO L131 PetriNetUnfolder]: For 26/26 co-relation queries the response was YES. [2023-08-29 18:48:08,433 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2690 conditions, 1322 events. 995/1322 cut-off events. For 26/26 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 3846 event pairs, 376 based on Foata normal form. 0/970 useless extension candidates. Maximal degree in co-relation 2687. Up to 1313 conditions per place. [2023-08-29 18:48:08,434 INFO L137 encePairwiseOnDemand]: 599/607 looper letters, 0 selfloop transitions, 0 changer transitions 38/38 dead transitions. [2023-08-29 18:48:08,434 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 38 transitions, 162 flow [2023-08-29 18:48:08,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 18:48:08,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 18:48:08,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 822 transitions. [2023-08-29 18:48:08,437 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4514003294892916 [2023-08-29 18:48:08,438 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 822 transitions. [2023-08-29 18:48:08,438 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 822 transitions. [2023-08-29 18:48:08,438 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 18:48:08,438 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 822 transitions. [2023-08-29 18:48:08,440 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 274.0) internal successors, (822), 3 states have internal predecessors, (822), 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 18:48:08,445 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 607.0) internal successors, (2428), 4 states have internal predecessors, (2428), 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 18:48:08,446 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 607.0) internal successors, (2428), 4 states have internal predecessors, (2428), 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 18:48:08,446 INFO L175 Difference]: Start difference. First operand has 34 places, 31 transitions, 69 flow. Second operand 3 states and 822 transitions. [2023-08-29 18:48:08,446 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 38 transitions, 162 flow [2023-08-29 18:48:08,447 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 38 transitions, 162 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 18:48:08,448 INFO L231 Difference]: Finished difference. Result has 31 places, 0 transitions, 0 flow [2023-08-29 18:48:08,448 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=607, PETRI_DIFFERENCE_MINUEND_FLOW=61, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=31, PETRI_TRANSITIONS=0} [2023-08-29 18:48:08,449 INFO L281 CegarLoopForPetriNet]: 76 programPoint places, -45 predicate places. [2023-08-29 18:48:08,449 INFO L495 AbstractCegarLoop]: Abstraction has has 31 places, 0 transitions, 0 flow [2023-08-29 18:48:08,450 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 261.3333333333333) internal successors, (784), 3 states have internal predecessors, (784), 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 18:48:08,454 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (62 of 63 remaining) [2023-08-29 18:48:08,455 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (61 of 63 remaining) [2023-08-29 18:48:08,456 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (60 of 63 remaining) [2023-08-29 18:48:08,456 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (59 of 63 remaining) [2023-08-29 18:48:08,456 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (58 of 63 remaining) [2023-08-29 18:48:08,456 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (57 of 63 remaining) [2023-08-29 18:48:08,456 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (56 of 63 remaining) [2023-08-29 18:48:08,457 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (55 of 63 remaining) [2023-08-29 18:48:08,457 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (54 of 63 remaining) [2023-08-29 18:48:08,458 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (53 of 63 remaining) [2023-08-29 18:48:08,461 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (52 of 63 remaining) [2023-08-29 18:48:08,461 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (51 of 63 remaining) [2023-08-29 18:48:08,461 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (50 of 63 remaining) [2023-08-29 18:48:08,462 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (49 of 63 remaining) [2023-08-29 18:48:08,462 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (48 of 63 remaining) [2023-08-29 18:48:08,462 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (47 of 63 remaining) [2023-08-29 18:48:08,463 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (46 of 63 remaining) [2023-08-29 18:48:08,464 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (45 of 63 remaining) [2023-08-29 18:48:08,464 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (44 of 63 remaining) [2023-08-29 18:48:08,464 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (43 of 63 remaining) [2023-08-29 18:48:08,465 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (42 of 63 remaining) [2023-08-29 18:48:08,465 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (41 of 63 remaining) [2023-08-29 18:48:08,465 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (40 of 63 remaining) [2023-08-29 18:48:08,466 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (39 of 63 remaining) [2023-08-29 18:48:08,466 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (38 of 63 remaining) [2023-08-29 18:48:08,466 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (37 of 63 remaining) [2023-08-29 18:48:08,467 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (36 of 63 remaining) [2023-08-29 18:48:08,467 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (35 of 63 remaining) [2023-08-29 18:48:08,467 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (34 of 63 remaining) [2023-08-29 18:48:08,467 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (33 of 63 remaining) [2023-08-29 18:48:08,467 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (32 of 63 remaining) [2023-08-29 18:48:08,467 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (31 of 63 remaining) [2023-08-29 18:48:08,468 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (30 of 63 remaining) [2023-08-29 18:48:08,468 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (29 of 63 remaining) [2023-08-29 18:48:08,468 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (28 of 63 remaining) [2023-08-29 18:48:08,468 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (27 of 63 remaining) [2023-08-29 18:48:08,468 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (26 of 63 remaining) [2023-08-29 18:48:08,468 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (25 of 63 remaining) [2023-08-29 18:48:08,469 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (24 of 63 remaining) [2023-08-29 18:48:08,469 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (23 of 63 remaining) [2023-08-29 18:48:08,469 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (22 of 63 remaining) [2023-08-29 18:48:08,469 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (21 of 63 remaining) [2023-08-29 18:48:08,473 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (20 of 63 remaining) [2023-08-29 18:48:08,473 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (19 of 63 remaining) [2023-08-29 18:48:08,473 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (18 of 63 remaining) [2023-08-29 18:48:08,473 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (17 of 63 remaining) [2023-08-29 18:48:08,474 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (16 of 63 remaining) [2023-08-29 18:48:08,474 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (15 of 63 remaining) [2023-08-29 18:48:08,474 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (14 of 63 remaining) [2023-08-29 18:48:08,474 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (13 of 63 remaining) [2023-08-29 18:48:08,474 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (12 of 63 remaining) [2023-08-29 18:48:08,474 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (11 of 63 remaining) [2023-08-29 18:48:08,474 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (10 of 63 remaining) [2023-08-29 18:48:08,475 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (9 of 63 remaining) [2023-08-29 18:48:08,475 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (8 of 63 remaining) [2023-08-29 18:48:08,475 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (7 of 63 remaining) [2023-08-29 18:48:08,475 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (6 of 63 remaining) [2023-08-29 18:48:08,475 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (5 of 63 remaining) [2023-08-29 18:48:08,475 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (4 of 63 remaining) [2023-08-29 18:48:08,476 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (3 of 63 remaining) [2023-08-29 18:48:08,476 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (2 of 63 remaining) [2023-08-29 18:48:08,476 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (1 of 63 remaining) [2023-08-29 18:48:08,476 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (0 of 63 remaining) [2023-08-29 18:48:08,477 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-29 18:48:08,477 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-08-29 18:48:08,485 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-29 18:48:08,485 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-29 18:48:08,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 06:48:08 BasicIcfg [2023-08-29 18:48:08,491 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-29 18:48:08,491 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-29 18:48:08,491 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-29 18:48:08,492 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-29 18:48:08,492 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 06:47:59" (3/4) ... [2023-08-29 18:48:08,494 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-29 18:48:08,498 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-08-29 18:48:08,498 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-08-29 18:48:08,498 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-08-29 18:48:08,501 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2023-08-29 18:48:08,506 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2023-08-29 18:48:08,506 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-08-29 18:48:08,507 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-29 18:48:08,507 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-29 18:48:08,555 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-29 18:48:08,555 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-29 18:48:08,556 INFO L158 Benchmark]: Toolchain (without parser) took 10405.92ms. Allocated memory was 86.0MB in the beginning and 138.4MB in the end (delta: 52.4MB). Free memory was 66.1MB in the beginning and 65.3MB in the end (delta: 778.0kB). Peak memory consumption was 53.5MB. Max. memory is 16.1GB. [2023-08-29 18:48:08,556 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 86.0MB. Free memory was 63.3MB in the beginning and 63.2MB in the end (delta: 73.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 18:48:08,556 INFO L158 Benchmark]: CACSL2BoogieTranslator took 255.65ms. Allocated memory is still 86.0MB. Free memory was 65.9MB in the beginning and 54.3MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-29 18:48:08,560 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.79ms. Allocated memory is still 86.0MB. Free memory was 54.3MB in the beginning and 52.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 18:48:08,560 INFO L158 Benchmark]: Boogie Preprocessor took 27.78ms. Allocated memory is still 86.0MB. Free memory was 52.1MB in the beginning and 50.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 18:48:08,561 INFO L158 Benchmark]: RCFGBuilder took 551.55ms. Allocated memory is still 86.0MB. Free memory was 50.0MB in the beginning and 53.5MB in the end (delta: -3.6MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. [2023-08-29 18:48:08,561 INFO L158 Benchmark]: TraceAbstraction took 9457.31ms. Allocated memory was 86.0MB in the beginning and 138.4MB in the end (delta: 52.4MB). Free memory was 53.1MB in the beginning and 69.5MB in the end (delta: -16.4MB). Peak memory consumption was 72.7MB. Max. memory is 16.1GB. [2023-08-29 18:48:08,561 INFO L158 Benchmark]: Witness Printer took 63.86ms. Allocated memory is still 138.4MB. Free memory was 69.5MB in the beginning and 65.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-29 18:48:08,563 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 86.0MB. Free memory was 63.3MB in the beginning and 63.2MB in the end (delta: 73.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 255.65ms. Allocated memory is still 86.0MB. Free memory was 65.9MB in the beginning and 54.3MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.79ms. Allocated memory is still 86.0MB. Free memory was 54.3MB in the beginning and 52.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.78ms. Allocated memory is still 86.0MB. Free memory was 52.1MB in the beginning and 50.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 551.55ms. Allocated memory is still 86.0MB. Free memory was 50.0MB in the beginning and 53.5MB in the end (delta: -3.6MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. * TraceAbstraction took 9457.31ms. Allocated memory was 86.0MB in the beginning and 138.4MB in the end (delta: 52.4MB). Free memory was 53.1MB in the beginning and 69.5MB in the end (delta: -16.4MB). Peak memory consumption was 72.7MB. Max. memory is 16.1GB. * Witness Printer took 63.86ms. Allocated memory is still 138.4MB. Free memory was 69.5MB in the beginning and 65.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8.5s, 263 PlacesBefore, 76 PlacesAfterwards, 262 TransitionsBefore, 71 TransitionsAfterwards, 12144 CoEnabledTransitionPairs, 9 FixpointIterations, 146 TrivialSequentialCompositions, 146 ConcurrentSequentialCompositions, 10 TrivialYvCompositions, 13 ConcurrentYvCompositions, 4 ChoiceCompositions, 319 TotalNumberOfCompositions, 23763 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 14441, independent: 14200, independent conditional: 0, independent unconditional: 14200, dependent: 241, dependent conditional: 0, dependent unconditional: 241, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 7479, independent: 7415, independent conditional: 0, independent unconditional: 7415, dependent: 64, dependent conditional: 0, dependent unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 14441, independent: 6785, independent conditional: 0, independent unconditional: 6785, dependent: 177, dependent conditional: 0, dependent unconditional: 177, unknown: 7479, unknown conditional: 0, unknown unconditional: 7479] , Statistics on independence cache: Total cache size (in pairs): 316, Positive cache size: 290, Positive conditional cache size: 0, Positive unconditional cache size: 290, 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: 38]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 38]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 39]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 39]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 39]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: 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: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: 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: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 367 locations, 63 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 9.3s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 8.6s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 55 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 26 mSDsluCounter, 15 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 85 IncrementalHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 15 mSDtfsCounter, 85 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=166occurred 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, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 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 39 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-29 18:48:08,595 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