./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_69-refine-protected-loop-interval_true.i --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/goblint-regression/13-privatized_69-refine-protected-loop-interval_true.i -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 4a65477eb93c2031bed3e6d454d38e75e9833f23496d456d5084dd6ae5f38687 --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 20:40:47,489 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-31 20:40:47,491 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-31 20:40:47,530 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-31 20:40:47,533 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-31 20:40:47,535 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-31 20:40:47,537 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-31 20:40:47,539 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-31 20:40:47,543 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-31 20:40:47,544 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-31 20:40:47,544 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-31 20:40:47,545 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-31 20:40:47,546 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-31 20:40:47,546 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-31 20:40:47,547 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-31 20:40:47,548 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-31 20:40:47,549 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-31 20:40:47,549 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-31 20:40:47,550 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-31 20:40:47,552 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-31 20:40:47,558 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-31 20:40:47,562 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-31 20:40:47,563 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-31 20:40:47,564 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-31 20:40:47,567 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-31 20:40:47,573 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-31 20:40:47,573 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-31 20:40:47,574 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-31 20:40:47,575 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-31 20:40:47,576 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-31 20:40:47,577 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-31 20:40:47,579 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-31 20:40:47,581 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-31 20:40:47,582 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-31 20:40:47,583 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-31 20:40:47,583 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-31 20:40:47,584 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-31 20:40:47,585 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-31 20:40:47,585 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-31 20:40:47,586 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-31 20:40:47,586 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-31 20:40:47,587 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-31 20:40:47,622 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-31 20:40:47,622 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-31 20:40:47,623 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-31 20:40:47,623 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-31 20:40:47,624 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-31 20:40:47,624 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-31 20:40:47,625 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-31 20:40:47,625 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-31 20:40:47,625 INFO L138 SettingsManager]: * Use SBE=true [2023-08-31 20:40:47,626 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-31 20:40:47,626 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-31 20:40:47,627 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-31 20:40:47,627 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-31 20:40:47,627 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-31 20:40:47,627 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-31 20:40:47,627 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-31 20:40:47,628 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-31 20:40:47,628 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-31 20:40:47,628 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-31 20:40:47,628 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-31 20:40:47,628 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-31 20:40:47,629 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-31 20:40:47,629 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-31 20:40:47,629 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-31 20:40:47,629 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-31 20:40:47,629 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-31 20:40:47,630 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-31 20:40:47,630 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-31 20:40:47,630 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-31 20:40:47,630 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-31 20:40:47,630 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-31 20:40:47,631 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-31 20:40:47,631 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-31 20:40:47,631 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-31 20:40:47,631 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-31 20:40:47,631 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-31 20:40:47,632 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-31 20:40:47,632 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a65477eb93c2031bed3e6d454d38e75e9833f23496d456d5084dd6ae5f38687 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> BEFORE [2023-08-31 20:40:47,941 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-31 20:40:47,957 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-31 20:40:47,960 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-31 20:40:47,961 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-31 20:40:47,961 INFO L275 PluginConnector]: CDTParser initialized [2023-08-31 20:40:47,962 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_69-refine-protected-loop-interval_true.i [2023-08-31 20:40:49,078 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-31 20:40:49,345 INFO L351 CDTParser]: Found 1 translation units. [2023-08-31 20:40:49,345 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_69-refine-protected-loop-interval_true.i [2023-08-31 20:40:49,361 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/844addcdc/597f009677c4450c88d0ccc5e6f71368/FLAGa30045f7f [2023-08-31 20:40:49,389 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/844addcdc/597f009677c4450c88d0ccc5e6f71368 [2023-08-31 20:40:49,393 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-31 20:40:49,395 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-31 20:40:49,396 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-31 20:40:49,396 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-31 20:40:49,399 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-31 20:40:49,400 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 08:40:49" (1/1) ... [2023-08-31 20:40:49,402 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65630f87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 08:40:49, skipping insertion in model container [2023-08-31 20:40:49,402 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 08:40:49" (1/1) ... [2023-08-31 20:40:49,408 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-31 20:40:49,439 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-31 20:40:49,604 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_69-refine-protected-loop-interval_true.i[1107,1120] [2023-08-31 20:40:49,771 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-31 20:40:49,782 INFO L203 MainTranslator]: Completed pre-run [2023-08-31 20:40:49,793 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_69-refine-protected-loop-interval_true.i[1107,1120] [2023-08-31 20:40:49,835 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-31 20:40:49,873 INFO L208 MainTranslator]: Completed translation [2023-08-31 20:40:49,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 08:40:49 WrapperNode [2023-08-31 20:40:49,873 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-31 20:40:49,874 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-31 20:40:49,874 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-31 20:40:49,874 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-31 20:40:49,879 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 08:40:49" (1/1) ... [2023-08-31 20:40:49,890 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 08:40:49" (1/1) ... [2023-08-31 20:40:49,909 INFO L138 Inliner]: procedures = 165, calls = 24, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 123 [2023-08-31 20:40:49,910 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-31 20:40:49,911 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-31 20:40:49,911 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-31 20:40:49,911 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-31 20:40:49,918 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 08:40:49" (1/1) ... [2023-08-31 20:40:49,918 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 08:40:49" (1/1) ... [2023-08-31 20:40:49,921 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 08:40:49" (1/1) ... [2023-08-31 20:40:49,921 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 08:40:49" (1/1) ... [2023-08-31 20:40:49,932 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 08:40:49" (1/1) ... [2023-08-31 20:40:49,936 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 08:40:49" (1/1) ... [2023-08-31 20:40:49,937 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 08:40:49" (1/1) ... [2023-08-31 20:40:49,938 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 08:40:49" (1/1) ... [2023-08-31 20:40:49,941 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-31 20:40:49,942 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-31 20:40:49,942 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-31 20:40:49,942 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-31 20:40:49,943 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 08:40:49" (1/1) ... [2023-08-31 20:40:49,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-31 20:40:49,960 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-31 20:40:49,974 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 20:40:49,994 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 20:40:50,009 INFO L130 BoogieDeclarations]: Found specification of procedure worker [2023-08-31 20:40:50,009 INFO L138 BoogieDeclarations]: Found implementation of procedure worker [2023-08-31 20:40:50,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-31 20:40:50,009 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-31 20:40:50,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-31 20:40:50,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-31 20:40:50,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-31 20:40:50,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-31 20:40:50,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-31 20:40:50,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-31 20:40:50,011 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 20:40:50,132 INFO L236 CfgBuilder]: Building ICFG [2023-08-31 20:40:50,134 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-31 20:40:50,358 INFO L277 CfgBuilder]: Performing block encoding [2023-08-31 20:40:50,364 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-31 20:40:50,364 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-08-31 20:40:50,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 08:40:50 BoogieIcfgContainer [2023-08-31 20:40:50,366 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-31 20:40:50,368 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-31 20:40:50,368 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-31 20:40:50,376 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-31 20:40:50,377 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.08 08:40:49" (1/3) ... [2023-08-31 20:40:50,377 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@327b1ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.08 08:40:50, skipping insertion in model container [2023-08-31 20:40:50,377 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 08:40:49" (2/3) ... [2023-08-31 20:40:50,378 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@327b1ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.08 08:40:50, skipping insertion in model container [2023-08-31 20:40:50,378 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 08:40:50" (3/3) ... [2023-08-31 20:40:50,379 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_69-refine-protected-loop-interval_true.i [2023-08-31 20:40:50,385 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-31 20:40:50,392 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-31 20:40:50,392 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2023-08-31 20:40:50,392 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-31 20:40:50,482 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-31 20:40:50,519 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 133 places, 139 transitions, 283 flow [2023-08-31 20:40:50,619 INFO L130 PetriNetUnfolder]: 10/138 cut-off events. [2023-08-31 20:40:50,619 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-31 20:40:50,624 INFO L83 FinitePrefix]: Finished finitePrefix Result has 142 conditions, 138 events. 10/138 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 263 event pairs, 0 based on Foata normal form. 0/118 useless extension candidates. Maximal degree in co-relation 100. Up to 2 conditions per place. [2023-08-31 20:40:50,624 INFO L82 GeneralOperation]: Start removeDead. Operand has 133 places, 139 transitions, 283 flow [2023-08-31 20:40:50,631 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 132 places, 138 transitions, 279 flow [2023-08-31 20:40:50,635 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-31 20:40:50,646 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 132 places, 138 transitions, 279 flow [2023-08-31 20:40:50,652 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 132 places, 138 transitions, 279 flow [2023-08-31 20:40:50,653 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 132 places, 138 transitions, 279 flow [2023-08-31 20:40:50,696 INFO L130 PetriNetUnfolder]: 10/138 cut-off events. [2023-08-31 20:40:50,699 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-31 20:40:50,702 INFO L83 FinitePrefix]: Finished finitePrefix Result has 142 conditions, 138 events. 10/138 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 264 event pairs, 0 based on Foata normal form. 0/118 useless extension candidates. Maximal degree in co-relation 100. Up to 2 conditions per place. [2023-08-31 20:40:50,705 INFO L119 LiptonReduction]: Number of co-enabled transitions 4758 [2023-08-31 20:40:53,438 INFO L134 LiptonReduction]: Checked pairs total: 19806 [2023-08-31 20:40:53,438 INFO L136 LiptonReduction]: Total number of compositions: 104 [2023-08-31 20:40:53,449 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-31 20:40:53,454 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;@579d7c15, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-31 20:40:53,454 INFO L358 AbstractCegarLoop]: Starting to check reachability of 17 error locations. [2023-08-31 20:40:53,455 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-31 20:40:53,456 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-31 20:40:53,456 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 20:40:53,456 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-31 20:40:53,457 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2023-08-31 20:40:53,460 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 20:40:53,461 INFO L85 PathProgramCache]: Analyzing trace with hash 522, now seen corresponding path program 1 times [2023-08-31 20:40:53,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 20:40:53,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606235515] [2023-08-31 20:40:53,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 20:40:53,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 20:40:53,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 20:40:53,551 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 20:40:53,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 20:40:53,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606235515] [2023-08-31 20:40:53,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1606235515] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 20:40:53,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 20:40:53,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-31 20:40:53,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145619217] [2023-08-31 20:40:53,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 20:40:53,561 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-31 20:40:53,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 20:40:53,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-31 20:40:53,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-31 20:40:53,631 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 243 [2023-08-31 20:40:53,635 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 55 transitions, 113 flow. Second operand has 2 states, 2 states have (on average 130.5) internal successors, (261), 2 states have internal predecessors, (261), 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 20:40:53,636 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 20:40:53,636 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 243 [2023-08-31 20:40:53,641 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 20:40:53,730 INFO L130 PetriNetUnfolder]: 78/256 cut-off events. [2023-08-31 20:40:53,731 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-31 20:40:53,733 INFO L83 FinitePrefix]: Finished finitePrefix Result has 395 conditions, 256 events. 78/256 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1143 event pairs, 41 based on Foata normal form. 14/205 useless extension candidates. Maximal degree in co-relation 386. Up to 135 conditions per place. [2023-08-31 20:40:53,735 INFO L137 encePairwiseOnDemand]: 239/243 looper letters, 19 selfloop transitions, 0 changer transitions 0/51 dead transitions. [2023-08-31 20:40:53,735 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 51 transitions, 143 flow [2023-08-31 20:40:53,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-31 20:40:53,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-31 20:40:53,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 283 transitions. [2023-08-31 20:40:53,754 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5823045267489712 [2023-08-31 20:40:53,755 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 283 transitions. [2023-08-31 20:40:53,756 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 283 transitions. [2023-08-31 20:40:53,758 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 20:40:53,761 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 283 transitions. [2023-08-31 20:40:53,766 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 141.5) internal successors, (283), 2 states have internal predecessors, (283), 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 20:40:53,770 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 243.0) internal successors, (729), 3 states have internal predecessors, (729), 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 20:40:53,771 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 243.0) internal successors, (729), 3 states have internal predecessors, (729), 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 20:40:53,773 INFO L175 Difference]: Start difference. First operand has 52 places, 55 transitions, 113 flow. Second operand 2 states and 283 transitions. [2023-08-31 20:40:53,774 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 51 transitions, 143 flow [2023-08-31 20:40:53,775 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 51 transitions, 142 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-31 20:40:53,777 INFO L231 Difference]: Finished difference. Result has 50 places, 51 transitions, 104 flow [2023-08-31 20:40:53,779 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=243, PETRI_DIFFERENCE_MINUEND_FLOW=104, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=104, PETRI_PLACES=50, PETRI_TRANSITIONS=51} [2023-08-31 20:40:53,783 INFO L281 CegarLoopForPetriNet]: 52 programPoint places, -2 predicate places. [2023-08-31 20:40:53,784 INFO L495 AbstractCegarLoop]: Abstraction has has 50 places, 51 transitions, 104 flow [2023-08-31 20:40:53,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 130.5) internal successors, (261), 2 states have internal predecessors, (261), 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 20:40:53,784 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 20:40:53,784 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-31 20:40:53,785 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-31 20:40:53,785 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2023-08-31 20:40:53,793 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 20:40:53,794 INFO L85 PathProgramCache]: Analyzing trace with hash -1834754078, now seen corresponding path program 1 times [2023-08-31 20:40:53,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 20:40:53,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303706305] [2023-08-31 20:40:53,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 20:40:53,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 20:40:53,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 20:40:53,884 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 20:40:53,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 20:40:53,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303706305] [2023-08-31 20:40:53,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1303706305] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 20:40:53,885 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 20:40:53,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 20:40:53,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254593755] [2023-08-31 20:40:53,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 20:40:53,886 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 20:40:53,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 20:40:53,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 20:40:53,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 20:40:53,919 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 243 [2023-08-31 20:40:53,920 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 51 transitions, 104 flow. Second operand has 3 states, 3 states have (on average 108.0) internal successors, (324), 3 states have internal predecessors, (324), 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 20:40:53,920 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 20:40:53,920 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 243 [2023-08-31 20:40:53,920 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 20:40:54,036 INFO L130 PetriNetUnfolder]: 400/926 cut-off events. [2023-08-31 20:40:54,036 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-31 20:40:54,037 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1738 conditions, 926 events. 400/926 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 4589 event pairs, 99 based on Foata normal form. 0/793 useless extension candidates. Maximal degree in co-relation 1735. Up to 554 conditions per place. [2023-08-31 20:40:54,041 INFO L137 encePairwiseOnDemand]: 220/243 looper letters, 55 selfloop transitions, 16 changer transitions 0/82 dead transitions. [2023-08-31 20:40:54,041 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 82 transitions, 308 flow [2023-08-31 20:40:54,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 20:40:54,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 20:40:54,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 396 transitions. [2023-08-31 20:40:54,043 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5432098765432098 [2023-08-31 20:40:54,043 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 396 transitions. [2023-08-31 20:40:54,044 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 396 transitions. [2023-08-31 20:40:54,044 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 20:40:54,044 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 396 transitions. [2023-08-31 20:40:54,045 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 132.0) internal successors, (396), 3 states have internal predecessors, (396), 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 20:40:54,047 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 243.0) internal successors, (972), 4 states have internal predecessors, (972), 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 20:40:54,048 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 243.0) internal successors, (972), 4 states have internal predecessors, (972), 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 20:40:54,048 INFO L175 Difference]: Start difference. First operand has 50 places, 51 transitions, 104 flow. Second operand 3 states and 396 transitions. [2023-08-31 20:40:54,048 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 82 transitions, 308 flow [2023-08-31 20:40:54,049 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 82 transitions, 308 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 20:40:54,050 INFO L231 Difference]: Finished difference. Result has 54 places, 67 transitions, 246 flow [2023-08-31 20:40:54,051 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=243, PETRI_DIFFERENCE_MINUEND_FLOW=104, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=246, PETRI_PLACES=54, PETRI_TRANSITIONS=67} [2023-08-31 20:40:54,051 INFO L281 CegarLoopForPetriNet]: 52 programPoint places, 2 predicate places. [2023-08-31 20:40:54,052 INFO L495 AbstractCegarLoop]: Abstraction has has 54 places, 67 transitions, 246 flow [2023-08-31 20:40:54,052 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 108.0) internal successors, (324), 3 states have internal predecessors, (324), 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 20:40:54,052 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 20:40:54,052 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 20:40:54,053 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-31 20:40:54,053 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2023-08-31 20:40:54,053 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 20:40:54,053 INFO L85 PathProgramCache]: Analyzing trace with hash 664487689, now seen corresponding path program 1 times [2023-08-31 20:40:54,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 20:40:54,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504398047] [2023-08-31 20:40:54,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 20:40:54,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 20:40:54,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 20:40:54,110 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 20:40:54,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 20:40:54,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504398047] [2023-08-31 20:40:54,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1504398047] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 20:40:54,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 20:40:54,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 20:40:54,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106912582] [2023-08-31 20:40:54,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 20:40:54,112 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 20:40:54,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 20:40:54,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 20:40:54,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 20:40:54,148 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 243 [2023-08-31 20:40:54,148 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 67 transitions, 246 flow. Second operand has 3 states, 3 states have (on average 118.0) internal successors, (354), 3 states have internal predecessors, (354), 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 20:40:54,149 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 20:40:54,149 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 243 [2023-08-31 20:40:54,149 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 20:40:54,257 INFO L130 PetriNetUnfolder]: 379/904 cut-off events. [2023-08-31 20:40:54,258 INFO L131 PetriNetUnfolder]: For 268/278 co-relation queries the response was YES. [2023-08-31 20:40:54,259 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2072 conditions, 904 events. 379/904 cut-off events. For 268/278 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 4562 event pairs, 119 based on Foata normal form. 10/780 useless extension candidates. Maximal degree in co-relation 2067. Up to 588 conditions per place. [2023-08-31 20:40:54,263 INFO L137 encePairwiseOnDemand]: 233/243 looper letters, 42 selfloop transitions, 16 changer transitions 0/89 dead transitions. [2023-08-31 20:40:54,263 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 89 transitions, 442 flow [2023-08-31 20:40:54,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 20:40:54,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 20:40:54,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 389 transitions. [2023-08-31 20:40:54,265 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.53360768175583 [2023-08-31 20:40:54,265 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 389 transitions. [2023-08-31 20:40:54,265 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 389 transitions. [2023-08-31 20:40:54,266 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 20:40:54,266 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 389 transitions. [2023-08-31 20:40:54,267 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 129.66666666666666) internal successors, (389), 3 states have internal predecessors, (389), 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 20:40:54,269 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 243.0) internal successors, (972), 4 states have internal predecessors, (972), 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 20:40:54,269 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 243.0) internal successors, (972), 4 states have internal predecessors, (972), 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 20:40:54,269 INFO L175 Difference]: Start difference. First operand has 54 places, 67 transitions, 246 flow. Second operand 3 states and 389 transitions. [2023-08-31 20:40:54,270 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 89 transitions, 442 flow [2023-08-31 20:40:54,273 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 89 transitions, 398 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-31 20:40:54,275 INFO L231 Difference]: Finished difference. Result has 56 places, 81 transitions, 360 flow [2023-08-31 20:40:54,275 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=243, PETRI_DIFFERENCE_MINUEND_FLOW=214, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=360, PETRI_PLACES=56, PETRI_TRANSITIONS=81} [2023-08-31 20:40:54,276 INFO L281 CegarLoopForPetriNet]: 52 programPoint places, 4 predicate places. [2023-08-31 20:40:54,276 INFO L495 AbstractCegarLoop]: Abstraction has has 56 places, 81 transitions, 360 flow [2023-08-31 20:40:54,277 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 118.0) internal successors, (354), 3 states have internal predecessors, (354), 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 20:40:54,277 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 20:40:54,277 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 20:40:54,277 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-31 20:40:54,277 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting workerErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2023-08-31 20:40:54,278 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 20:40:54,278 INFO L85 PathProgramCache]: Analyzing trace with hash 544755065, now seen corresponding path program 1 times [2023-08-31 20:40:54,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 20:40:54,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428384651] [2023-08-31 20:40:54,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 20:40:54,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 20:40:54,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 20:40:54,444 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 20:40:54,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 20:40:54,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428384651] [2023-08-31 20:40:54,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1428384651] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 20:40:54,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 20:40:54,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-31 20:40:54,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730301505] [2023-08-31 20:40:54,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 20:40:54,448 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 20:40:54,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 20:40:54,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 20:40:54,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 20:40:54,466 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 123 out of 243 [2023-08-31 20:40:54,467 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 81 transitions, 360 flow. Second operand has 3 states, 3 states have (on average 125.33333333333333) internal successors, (376), 3 states have internal predecessors, (376), 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 20:40:54,467 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 20:40:54,467 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 123 of 243 [2023-08-31 20:40:54,468 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 20:40:54,523 INFO L130 PetriNetUnfolder]: 33/138 cut-off events. [2023-08-31 20:40:54,524 INFO L131 PetriNetUnfolder]: For 27/27 co-relation queries the response was YES. [2023-08-31 20:40:54,524 INFO L83 FinitePrefix]: Finished finitePrefix Result has 297 conditions, 138 events. 33/138 cut-off events. For 27/27 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 432 event pairs, 3 based on Foata normal form. 10/132 useless extension candidates. Maximal degree in co-relation 291. Up to 54 conditions per place. [2023-08-31 20:40:54,527 INFO L137 encePairwiseOnDemand]: 237/243 looper letters, 15 selfloop transitions, 6 changer transitions 1/47 dead transitions. [2023-08-31 20:40:54,527 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 47 transitions, 200 flow [2023-08-31 20:40:54,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 20:40:54,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 20:40:54,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 392 transitions. [2023-08-31 20:40:54,530 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5377229080932785 [2023-08-31 20:40:54,530 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 392 transitions. [2023-08-31 20:40:54,530 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 392 transitions. [2023-08-31 20:40:54,531 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 20:40:54,531 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 392 transitions. [2023-08-31 20:40:54,536 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 130.66666666666666) internal successors, (392), 3 states have internal predecessors, (392), 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 20:40:54,538 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 243.0) internal successors, (972), 4 states have internal predecessors, (972), 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 20:40:54,539 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 243.0) internal successors, (972), 4 states have internal predecessors, (972), 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 20:40:54,539 INFO L175 Difference]: Start difference. First operand has 56 places, 81 transitions, 360 flow. Second operand 3 states and 392 transitions. [2023-08-31 20:40:54,539 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 47 transitions, 200 flow [2023-08-31 20:40:54,541 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 47 transitions, 152 flow, removed 20 selfloop flow, removed 4 redundant places. [2023-08-31 20:40:54,542 INFO L231 Difference]: Finished difference. Result has 46 places, 44 transitions, 114 flow [2023-08-31 20:40:54,542 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=243, PETRI_DIFFERENCE_MINUEND_FLOW=104, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=114, PETRI_PLACES=46, PETRI_TRANSITIONS=44} [2023-08-31 20:40:54,544 INFO L281 CegarLoopForPetriNet]: 52 programPoint places, -6 predicate places. [2023-08-31 20:40:54,544 INFO L495 AbstractCegarLoop]: Abstraction has has 46 places, 44 transitions, 114 flow [2023-08-31 20:40:54,545 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 125.33333333333333) internal successors, (376), 3 states have internal predecessors, (376), 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 20:40:54,545 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 20:40:54,545 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 20:40:54,545 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-31 20:40:54,546 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting workerErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2023-08-31 20:40:54,547 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 20:40:54,547 INFO L85 PathProgramCache]: Analyzing trace with hash 1072660654, now seen corresponding path program 1 times [2023-08-31 20:40:54,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 20:40:54,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136434080] [2023-08-31 20:40:54,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 20:40:54,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 20:40:54,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 20:40:54,644 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 20:40:54,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 20:40:54,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136434080] [2023-08-31 20:40:54,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136434080] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 20:40:54,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 20:40:54,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 20:40:54,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676617420] [2023-08-31 20:40:54,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 20:40:54,646 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 20:40:54,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 20:40:54,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 20:40:54,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 20:40:54,661 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 123 out of 243 [2023-08-31 20:40:54,662 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 44 transitions, 114 flow. Second operand has 3 states, 3 states have (on average 125.66666666666667) internal successors, (377), 3 states have internal predecessors, (377), 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 20:40:54,662 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 20:40:54,662 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 123 of 243 [2023-08-31 20:40:54,663 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 20:40:54,708 INFO L130 PetriNetUnfolder]: 27/119 cut-off events. [2023-08-31 20:40:54,709 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2023-08-31 20:40:54,709 INFO L83 FinitePrefix]: Finished finitePrefix Result has 236 conditions, 119 events. 27/119 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 246 event pairs, 14 based on Foata normal form. 2/115 useless extension candidates. Maximal degree in co-relation 231. Up to 56 conditions per place. [2023-08-31 20:40:54,709 INFO L137 encePairwiseOnDemand]: 238/243 looper letters, 22 selfloop transitions, 2 changer transitions 7/50 dead transitions. [2023-08-31 20:40:54,709 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 50 transitions, 188 flow [2023-08-31 20:40:54,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 20:40:54,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 20:40:54,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 398 transitions. [2023-08-31 20:40:54,711 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5459533607681756 [2023-08-31 20:40:54,711 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 398 transitions. [2023-08-31 20:40:54,711 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 398 transitions. [2023-08-31 20:40:54,711 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 20:40:54,711 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 398 transitions. [2023-08-31 20:40:54,712 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 132.66666666666666) internal successors, (398), 3 states have internal predecessors, (398), 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 20:40:54,714 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 243.0) internal successors, (972), 4 states have internal predecessors, (972), 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 20:40:54,714 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 243.0) internal successors, (972), 4 states have internal predecessors, (972), 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 20:40:54,714 INFO L175 Difference]: Start difference. First operand has 46 places, 44 transitions, 114 flow. Second operand 3 states and 398 transitions. [2023-08-31 20:40:54,715 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 50 transitions, 188 flow [2023-08-31 20:40:54,715 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 50 transitions, 180 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-31 20:40:54,716 INFO L231 Difference]: Finished difference. Result has 47 places, 41 transitions, 114 flow [2023-08-31 20:40:54,716 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=243, PETRI_DIFFERENCE_MINUEND_FLOW=108, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=114, PETRI_PLACES=47, PETRI_TRANSITIONS=41} [2023-08-31 20:40:54,717 INFO L281 CegarLoopForPetriNet]: 52 programPoint places, -5 predicate places. [2023-08-31 20:40:54,717 INFO L495 AbstractCegarLoop]: Abstraction has has 47 places, 41 transitions, 114 flow [2023-08-31 20:40:54,717 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 125.66666666666667) internal successors, (377), 3 states have internal predecessors, (377), 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 20:40:54,717 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 20:40:54,718 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 20:40:54,718 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-31 20:40:54,718 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting workerErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2023-08-31 20:40:54,718 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 20:40:54,718 INFO L85 PathProgramCache]: Analyzing trace with hash 203153224, now seen corresponding path program 1 times [2023-08-31 20:40:54,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 20:40:54,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800253314] [2023-08-31 20:40:54,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 20:40:54,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 20:40:54,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 20:40:54,749 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 20:40:54,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 20:40:54,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800253314] [2023-08-31 20:40:54,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [800253314] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 20:40:54,754 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 20:40:54,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 20:40:54,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356276099] [2023-08-31 20:40:54,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 20:40:54,754 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 20:40:54,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 20:40:54,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 20:40:54,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 20:40:54,793 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 243 [2023-08-31 20:40:54,793 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 41 transitions, 114 flow. Second operand has 3 states, 3 states have (on average 121.33333333333333) internal successors, (364), 3 states have internal predecessors, (364), 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 20:40:54,794 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 20:40:54,794 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 243 [2023-08-31 20:40:54,794 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 20:40:54,829 INFO L130 PetriNetUnfolder]: 27/116 cut-off events. [2023-08-31 20:40:54,829 INFO L131 PetriNetUnfolder]: For 10/10 co-relation queries the response was YES. [2023-08-31 20:40:54,829 INFO L83 FinitePrefix]: Finished finitePrefix Result has 240 conditions, 116 events. 27/116 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 222 event pairs, 15 based on Foata normal form. 0/113 useless extension candidates. Maximal degree in co-relation 233. Up to 80 conditions per place. [2023-08-31 20:40:54,830 INFO L137 encePairwiseOnDemand]: 240/243 looper letters, 0 selfloop transitions, 0 changer transitions 41/41 dead transitions. [2023-08-31 20:40:54,830 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 41 transitions, 168 flow [2023-08-31 20:40:54,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 20:40:54,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 20:40:54,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 370 transitions. [2023-08-31 20:40:54,832 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5075445816186557 [2023-08-31 20:40:54,832 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 370 transitions. [2023-08-31 20:40:54,832 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 370 transitions. [2023-08-31 20:40:54,832 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 20:40:54,832 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 370 transitions. [2023-08-31 20:40:54,833 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 123.33333333333333) internal successors, (370), 3 states have internal predecessors, (370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 20:40:54,839 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 243.0) internal successors, (972), 4 states have internal predecessors, (972), 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 20:40:54,839 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 243.0) internal successors, (972), 4 states have internal predecessors, (972), 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 20:40:54,840 INFO L175 Difference]: Start difference. First operand has 47 places, 41 transitions, 114 flow. Second operand 3 states and 370 transitions. [2023-08-31 20:40:54,840 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 41 transitions, 168 flow [2023-08-31 20:40:54,840 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 41 transitions, 166 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-31 20:40:54,841 INFO L231 Difference]: Finished difference. Result has 44 places, 0 transitions, 0 flow [2023-08-31 20:40:54,841 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=243, PETRI_DIFFERENCE_MINUEND_FLOW=110, PETRI_DIFFERENCE_MINUEND_PLACES=42, 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=3, PETRI_FLOW=0, PETRI_PLACES=44, PETRI_TRANSITIONS=0} [2023-08-31 20:40:54,843 INFO L281 CegarLoopForPetriNet]: 52 programPoint places, -8 predicate places. [2023-08-31 20:40:54,844 INFO L495 AbstractCegarLoop]: Abstraction has has 44 places, 0 transitions, 0 flow [2023-08-31 20:40:54,844 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 121.33333333333333) internal successors, (364), 3 states have internal predecessors, (364), 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 20:40:54,849 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (16 of 17 remaining) [2023-08-31 20:40:54,849 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (15 of 17 remaining) [2023-08-31 20:40:54,852 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (14 of 17 remaining) [2023-08-31 20:40:54,852 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (13 of 17 remaining) [2023-08-31 20:40:54,853 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 17 remaining) [2023-08-31 20:40:54,853 INFO L805 garLoopResultBuilder]: Registering result SAFE for location workerErr0ASSERT_VIOLATIONDATA_RACE (11 of 17 remaining) [2023-08-31 20:40:54,853 INFO L805 garLoopResultBuilder]: Registering result SAFE for location workerErr2ASSERT_VIOLATIONDATA_RACE (10 of 17 remaining) [2023-08-31 20:40:54,853 INFO L805 garLoopResultBuilder]: Registering result SAFE for location workerErr1ASSERT_VIOLATIONDATA_RACE (9 of 17 remaining) [2023-08-31 20:40:54,853 INFO L805 garLoopResultBuilder]: Registering result SAFE for location workerErr3ASSERT_VIOLATIONDATA_RACE (8 of 17 remaining) [2023-08-31 20:40:54,854 INFO L805 garLoopResultBuilder]: Registering result SAFE for location workerErr4ASSERT_VIOLATIONDATA_RACE (7 of 17 remaining) [2023-08-31 20:40:54,854 INFO L805 garLoopResultBuilder]: Registering result SAFE for location workerErr5ASSERT_VIOLATIONDATA_RACE (6 of 17 remaining) [2023-08-31 20:40:54,855 INFO L805 garLoopResultBuilder]: Registering result SAFE for location workerErr0ASSERT_VIOLATIONDATA_RACE (5 of 17 remaining) [2023-08-31 20:40:54,856 INFO L805 garLoopResultBuilder]: Registering result SAFE for location workerErr2ASSERT_VIOLATIONDATA_RACE (4 of 17 remaining) [2023-08-31 20:40:54,856 INFO L805 garLoopResultBuilder]: Registering result SAFE for location workerErr1ASSERT_VIOLATIONDATA_RACE (3 of 17 remaining) [2023-08-31 20:40:54,856 INFO L805 garLoopResultBuilder]: Registering result SAFE for location workerErr3ASSERT_VIOLATIONDATA_RACE (2 of 17 remaining) [2023-08-31 20:40:54,856 INFO L805 garLoopResultBuilder]: Registering result SAFE for location workerErr4ASSERT_VIOLATIONDATA_RACE (1 of 17 remaining) [2023-08-31 20:40:54,856 INFO L805 garLoopResultBuilder]: Registering result SAFE for location workerErr5ASSERT_VIOLATIONDATA_RACE (0 of 17 remaining) [2023-08-31 20:40:54,857 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-31 20:40:54,857 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-08-31 20:40:54,862 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-31 20:40:54,862 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-31 20:40:54,869 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.08 08:40:54 BasicIcfg [2023-08-31 20:40:54,870 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-31 20:40:54,870 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-31 20:40:54,870 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-31 20:40:54,870 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-31 20:40:54,871 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 08:40:50" (3/4) ... [2023-08-31 20:40:54,874 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-31 20:40:54,879 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure worker [2023-08-31 20:40:54,884 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2023-08-31 20:40:54,884 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-08-31 20:40:54,884 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-31 20:40:54,884 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-31 20:40:54,926 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-31 20:40:54,926 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-31 20:40:54,927 INFO L158 Benchmark]: Toolchain (without parser) took 5532.22ms. Allocated memory was 81.8MB in the beginning and 119.5MB in the end (delta: 37.7MB). Free memory was 59.4MB in the beginning and 88.3MB in the end (delta: -28.9MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. [2023-08-31 20:40:54,927 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 60.8MB. Free memory is still 38.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-31 20:40:54,927 INFO L158 Benchmark]: CACSL2BoogieTranslator took 477.64ms. Allocated memory is still 81.8MB. Free memory was 59.1MB in the beginning and 39.7MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-08-31 20:40:54,928 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.97ms. Allocated memory is still 81.8MB. Free memory was 39.7MB in the beginning and 37.5MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-31 20:40:54,928 INFO L158 Benchmark]: Boogie Preprocessor took 30.32ms. Allocated memory is still 81.8MB. Free memory was 37.5MB in the beginning and 61.2MB in the end (delta: -23.7MB). Peak memory consumption was 3.9MB. Max. memory is 16.1GB. [2023-08-31 20:40:54,928 INFO L158 Benchmark]: RCFGBuilder took 424.79ms. Allocated memory is still 81.8MB. Free memory was 61.2MB in the beginning and 46.1MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-08-31 20:40:54,928 INFO L158 Benchmark]: TraceAbstraction took 4501.81ms. Allocated memory was 81.8MB in the beginning and 119.5MB in the end (delta: 37.7MB). Free memory was 45.3MB in the beginning and 91.5MB in the end (delta: -46.2MB). Peak memory consumption was 36.0MB. Max. memory is 16.1GB. [2023-08-31 20:40:54,929 INFO L158 Benchmark]: Witness Printer took 56.30ms. Allocated memory is still 119.5MB. Free memory was 91.5MB in the beginning and 88.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-31 20:40:54,930 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 60.8MB. Free memory is still 38.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 477.64ms. Allocated memory is still 81.8MB. Free memory was 59.1MB in the beginning and 39.7MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.97ms. Allocated memory is still 81.8MB. Free memory was 39.7MB in the beginning and 37.5MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.32ms. Allocated memory is still 81.8MB. Free memory was 37.5MB in the beginning and 61.2MB in the end (delta: -23.7MB). Peak memory consumption was 3.9MB. Max. memory is 16.1GB. * RCFGBuilder took 424.79ms. Allocated memory is still 81.8MB. Free memory was 61.2MB in the beginning and 46.1MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 4501.81ms. Allocated memory was 81.8MB in the beginning and 119.5MB in the end (delta: 37.7MB). Free memory was 45.3MB in the beginning and 91.5MB in the end (delta: -46.2MB). Peak memory consumption was 36.0MB. Max. memory is 16.1GB. * Witness Printer took 56.30ms. Allocated memory is still 119.5MB. Free memory was 91.5MB in the beginning and 88.3MB in the end (delta: 3.1MB). 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: 2.8s, 132 PlacesBefore, 52 PlacesAfterwards, 138 TransitionsBefore, 55 TransitionsAfterwards, 4758 CoEnabledTransitionPairs, 7 FixpointIterations, 40 TrivialSequentialCompositions, 40 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 21 ConcurrentYvCompositions, 3 ChoiceCompositions, 104 TotalNumberOfCompositions, 19806 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 5106, independent: 4489, independent conditional: 0, independent unconditional: 4489, dependent: 617, dependent conditional: 0, dependent unconditional: 617, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2351, independent: 2262, independent conditional: 0, independent unconditional: 2262, dependent: 89, dependent conditional: 0, dependent unconditional: 89, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5106, independent: 2227, independent conditional: 0, independent unconditional: 2227, dependent: 528, dependent conditional: 0, dependent unconditional: 528, unknown: 2351, unknown conditional: 0, unknown unconditional: 2351] , Statistics on independence cache: Total cache size (in pairs): 291, Positive cache size: 243, Positive conditional cache size: 0, Positive unconditional cache size: 243, Negative cache size: 48, Negative conditional cache size: 0, Negative unconditional cache size: 48, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 703]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 710]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 711]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 711]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 719]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 722]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 720]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 723]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 724]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 724]: 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 3 procedures, 186 locations, 17 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: 4.4s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.9s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 280 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 104 mSDsluCounter, 41 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 36 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 379 IncrementalHoareTripleChecker+Invalid, 415 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 36 mSolverCounterUnsat, 41 mSDtfsCounter, 379 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=360occurred in iteration=3, InterpolantAutomatonStates: 17, 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, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 80 ConstructedInterpolants, 0 QuantifiedInterpolants, 110 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 10 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-31 20:40:54,961 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