./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/weaver/popl20-more-array-sum-alt2.wvr.c --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations BEFORE --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-array-sum-alt2.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4018a1168c08743b2a9b9283b6137e1dcc53bdf8ab8362348f4bbe02762305c3 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations BEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-31 21:49:27,577 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-31 21:49:27,579 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-31 21:49:27,600 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-31 21:49:27,611 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-31 21:49:27,613 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-31 21:49:27,615 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-31 21:49:27,617 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-31 21:49:27,618 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-31 21:49:27,622 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-31 21:49:27,623 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-31 21:49:27,624 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-31 21:49:27,625 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-31 21:49:27,627 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-31 21:49:27,629 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-31 21:49:27,631 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-31 21:49:27,632 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-31 21:49:27,633 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-31 21:49:27,634 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-31 21:49:27,637 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-31 21:49:27,638 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-31 21:49:27,639 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-31 21:49:27,639 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-31 21:49:27,640 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-31 21:49:27,645 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-31 21:49:27,645 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-31 21:49:27,645 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-31 21:49:27,647 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-31 21:49:27,647 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-31 21:49:27,648 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-31 21:49:27,648 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-31 21:49:27,649 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-31 21:49:27,650 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-31 21:49:27,650 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-31 21:49:27,651 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-31 21:49:27,651 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-31 21:49:27,652 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-31 21:49:27,652 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-31 21:49:27,652 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-31 21:49:27,652 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-31 21:49:27,653 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-31 21:49:27,654 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-31 21:49:27,682 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-31 21:49:27,683 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-31 21:49:27,683 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-31 21:49:27,684 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-31 21:49:27,684 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-31 21:49:27,684 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-31 21:49:27,685 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-31 21:49:27,685 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-31 21:49:27,685 INFO L138 SettingsManager]: * Use SBE=true [2023-08-31 21:49:27,685 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-31 21:49:27,686 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-31 21:49:27,686 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-31 21:49:27,686 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-31 21:49:27,686 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-31 21:49:27,687 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-31 21:49:27,687 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-31 21:49:27,687 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-31 21:49:27,687 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-31 21:49:27,687 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-31 21:49:27,687 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-31 21:49:27,687 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-31 21:49:27,688 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-31 21:49:27,688 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-31 21:49:27,688 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-31 21:49:27,688 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-31 21:49:27,688 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-31 21:49:27,688 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-31 21:49:27,689 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-31 21:49:27,689 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-31 21:49:27,689 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-31 21:49:27,689 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-31 21:49:27,689 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-31 21:49:27,689 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-31 21:49:27,690 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-31 21:49:27,690 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-31 21:49:27,690 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-31 21:49:27,690 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-31 21:49:27,690 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4018a1168c08743b2a9b9283b6137e1dcc53bdf8ab8362348f4bbe02762305c3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> BEFORE [2023-08-31 21:49:27,933 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-31 21:49:27,952 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-31 21:49:27,954 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-31 21:49:27,955 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-31 21:49:27,955 INFO L275 PluginConnector]: CDTParser initialized [2023-08-31 21:49:27,957 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-array-sum-alt2.wvr.c [2023-08-31 21:49:28,879 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-31 21:49:29,009 INFO L351 CDTParser]: Found 1 translation units. [2023-08-31 21:49:29,010 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-array-sum-alt2.wvr.c [2023-08-31 21:49:29,014 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5daf91d4a/a90cc64627814d05b1fecb2d944dd49d/FLAGc941153dd [2023-08-31 21:49:29,022 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5daf91d4a/a90cc64627814d05b1fecb2d944dd49d [2023-08-31 21:49:29,024 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-31 21:49:29,025 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-31 21:49:29,026 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-31 21:49:29,026 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-31 21:49:29,030 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-31 21:49:29,030 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 09:49:29" (1/1) ... [2023-08-31 21:49:29,031 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@88664b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:49:29, skipping insertion in model container [2023-08-31 21:49:29,031 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 09:49:29" (1/1) ... [2023-08-31 21:49:29,035 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-31 21:49:29,052 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-31 21:49:29,203 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-array-sum-alt2.wvr.c[2525,2538] [2023-08-31 21:49:29,212 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-31 21:49:29,220 INFO L203 MainTranslator]: Completed pre-run [2023-08-31 21:49:29,252 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-array-sum-alt2.wvr.c[2525,2538] [2023-08-31 21:49:29,258 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-31 21:49:29,266 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-31 21:49:29,266 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-31 21:49:29,270 INFO L208 MainTranslator]: Completed translation [2023-08-31 21:49:29,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:49:29 WrapperNode [2023-08-31 21:49:29,271 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-31 21:49:29,272 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-31 21:49:29,272 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-31 21:49:29,272 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-31 21:49:29,277 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:49:29" (1/1) ... [2023-08-31 21:49:29,294 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:49:29" (1/1) ... [2023-08-31 21:49:29,328 INFO L138 Inliner]: procedures = 25, calls = 45, calls flagged for inlining = 12, calls inlined = 16, statements flattened = 291 [2023-08-31 21:49:29,331 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-31 21:49:29,332 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-31 21:49:29,332 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-31 21:49:29,332 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-31 21:49:29,338 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:49:29" (1/1) ... [2023-08-31 21:49:29,339 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:49:29" (1/1) ... [2023-08-31 21:49:29,348 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:49:29" (1/1) ... [2023-08-31 21:49:29,351 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:49:29" (1/1) ... [2023-08-31 21:49:29,358 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:49:29" (1/1) ... [2023-08-31 21:49:29,371 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:49:29" (1/1) ... [2023-08-31 21:49:29,374 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:49:29" (1/1) ... [2023-08-31 21:49:29,378 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:49:29" (1/1) ... [2023-08-31 21:49:29,381 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-31 21:49:29,382 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-31 21:49:29,382 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-31 21:49:29,394 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-31 21:49:29,396 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:49:29" (1/1) ... [2023-08-31 21:49:29,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-31 21:49:29,408 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-31 21:49:29,417 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-31 21:49:29,423 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-31 21:49:29,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-31 21:49:29,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-31 21:49:29,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-31 21:49:29,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-31 21:49:29,444 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-31 21:49:29,444 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-31 21:49:29,445 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-31 21:49:29,445 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-31 21:49:29,445 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-08-31 21:49:29,445 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-08-31 21:49:29,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-31 21:49:29,445 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-31 21:49:29,445 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-31 21:49:29,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-31 21:49:29,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-31 21:49:29,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-31 21:49:29,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-31 21:49:29,447 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-31 21:49:29,516 INFO L236 CfgBuilder]: Building ICFG [2023-08-31 21:49:29,518 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-31 21:49:29,845 INFO L277 CfgBuilder]: Performing block encoding [2023-08-31 21:49:29,975 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-31 21:49:29,975 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-08-31 21:49:29,977 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 09:49:29 BoogieIcfgContainer [2023-08-31 21:49:29,977 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-31 21:49:29,978 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-31 21:49:29,978 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-31 21:49:29,980 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-31 21:49:29,980 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.08 09:49:29" (1/3) ... [2023-08-31 21:49:29,981 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ff0cb82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.08 09:49:29, skipping insertion in model container [2023-08-31 21:49:29,981 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:49:29" (2/3) ... [2023-08-31 21:49:29,981 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ff0cb82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.08 09:49:29, skipping insertion in model container [2023-08-31 21:49:29,981 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 09:49:29" (3/3) ... [2023-08-31 21:49:29,982 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-array-sum-alt2.wvr.c [2023-08-31 21:49:29,987 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-31 21:49:29,993 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-31 21:49:29,993 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 29 error locations. [2023-08-31 21:49:29,993 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-31 21:49:30,056 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-08-31 21:49:30,090 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 227 places, 230 transitions, 484 flow [2023-08-31 21:49:30,167 INFO L130 PetriNetUnfolder]: 13/227 cut-off events. [2023-08-31 21:49:30,167 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-08-31 21:49:30,172 INFO L83 FinitePrefix]: Finished finitePrefix Result has 240 conditions, 227 events. 13/227 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 239 event pairs, 0 based on Foata normal form. 0/185 useless extension candidates. Maximal degree in co-relation 159. Up to 2 conditions per place. [2023-08-31 21:49:30,172 INFO L82 GeneralOperation]: Start removeDead. Operand has 227 places, 230 transitions, 484 flow [2023-08-31 21:49:30,180 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 208 places, 210 transitions, 438 flow [2023-08-31 21:49:30,183 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-31 21:49:30,192 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 208 places, 210 transitions, 438 flow [2023-08-31 21:49:30,195 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 208 places, 210 transitions, 438 flow [2023-08-31 21:49:30,195 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 208 places, 210 transitions, 438 flow [2023-08-31 21:49:30,227 INFO L130 PetriNetUnfolder]: 12/210 cut-off events. [2023-08-31 21:49:30,228 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-08-31 21:49:30,230 INFO L83 FinitePrefix]: Finished finitePrefix Result has 223 conditions, 210 events. 12/210 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 238 event pairs, 0 based on Foata normal form. 0/170 useless extension candidates. Maximal degree in co-relation 159. Up to 2 conditions per place. [2023-08-31 21:49:30,232 INFO L119 LiptonReduction]: Number of co-enabled transitions 4548 [2023-08-31 21:49:35,551 INFO L134 LiptonReduction]: Checked pairs total: 28485 [2023-08-31 21:49:35,552 INFO L136 LiptonReduction]: Total number of compositions: 194 [2023-08-31 21:49:35,566 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-31 21:49:35,574 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;@32159041, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-31 21:49:35,574 INFO L358 AbstractCegarLoop]: Starting to check reachability of 48 error locations. [2023-08-31 21:49:35,575 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-31 21:49:35,575 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-31 21:49:35,575 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:49:35,576 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-31 21:49:35,576 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2023-08-31 21:49:35,579 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:49:35,580 INFO L85 PathProgramCache]: Analyzing trace with hash 1056, now seen corresponding path program 1 times [2023-08-31 21:49:35,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:49:35,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531486510] [2023-08-31 21:49:35,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:49:35,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:49:35,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:49:35,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:49:35,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:49:35,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531486510] [2023-08-31 21:49:35,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [531486510] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:49:35,654 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:49:35,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-31 21:49:35,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191187942] [2023-08-31 21:49:35,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:49:35,660 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-31 21:49:35,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:49:35,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-31 21:49:35,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-31 21:49:35,682 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 200 out of 424 [2023-08-31 21:49:35,686 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 74 transitions, 166 flow. Second operand has 2 states, 2 states have (on average 200.5) internal successors, (401), 2 states have internal predecessors, (401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:49:35,687 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:49:35,687 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 200 of 424 [2023-08-31 21:49:35,687 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:49:35,836 INFO L130 PetriNetUnfolder]: 436/995 cut-off events. [2023-08-31 21:49:35,836 INFO L131 PetriNetUnfolder]: For 67/67 co-relation queries the response was YES. [2023-08-31 21:49:35,838 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1654 conditions, 995 events. 436/995 cut-off events. For 67/67 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 6106 event pairs, 247 based on Foata normal form. 188/990 useless extension candidates. Maximal degree in co-relation 1268. Up to 602 conditions per place. [2023-08-31 21:49:35,842 INFO L137 encePairwiseOnDemand]: 399/424 looper letters, 22 selfloop transitions, 0 changer transitions 1/49 dead transitions. [2023-08-31 21:49:35,842 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 49 transitions, 162 flow [2023-08-31 21:49:35,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-31 21:49:35,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-31 21:49:35,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 448 transitions. [2023-08-31 21:49:35,851 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5283018867924528 [2023-08-31 21:49:35,852 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 448 transitions. [2023-08-31 21:49:35,852 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 448 transitions. [2023-08-31 21:49:35,853 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:49:35,854 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 448 transitions. [2023-08-31 21:49:35,857 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 224.0) internal successors, (448), 2 states have internal predecessors, (448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:49:35,860 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 424.0) internal successors, (1272), 3 states have internal predecessors, (1272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:49:35,860 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 424.0) internal successors, (1272), 3 states have internal predecessors, (1272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:49:35,861 INFO L175 Difference]: Start difference. First operand has 77 places, 74 transitions, 166 flow. Second operand 2 states and 448 transitions. [2023-08-31 21:49:35,862 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 49 transitions, 162 flow [2023-08-31 21:49:35,864 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 49 transitions, 150 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-08-31 21:49:35,865 INFO L231 Difference]: Finished difference. Result has 50 places, 48 transitions, 101 flow [2023-08-31 21:49:35,866 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=424, PETRI_DIFFERENCE_MINUEND_FLOW=104, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=101, PETRI_PLACES=50, PETRI_TRANSITIONS=48} [2023-08-31 21:49:35,868 INFO L281 CegarLoopForPetriNet]: 77 programPoint places, -27 predicate places. [2023-08-31 21:49:35,868 INFO L495 AbstractCegarLoop]: Abstraction has has 50 places, 48 transitions, 101 flow [2023-08-31 21:49:35,869 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 200.5) internal successors, (401), 2 states have internal predecessors, (401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:49:35,869 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:49:35,869 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-31 21:49:35,869 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-31 21:49:35,870 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2023-08-31 21:49:35,870 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:49:35,870 INFO L85 PathProgramCache]: Analyzing trace with hash 1310568965, now seen corresponding path program 1 times [2023-08-31 21:49:35,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:49:35,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391867390] [2023-08-31 21:49:35,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:49:35,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:49:35,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:49:35,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:49:35,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:49:35,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391867390] [2023-08-31 21:49:35,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391867390] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:49:35,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:49:35,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:49:35,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541910055] [2023-08-31 21:49:35,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:49:35,973 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:49:35,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:49:35,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:49:35,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:49:35,988 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 187 out of 424 [2023-08-31 21:49:35,989 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 48 transitions, 101 flow. Second operand has 3 states, 3 states have (on average 188.66666666666666) internal successors, (566), 3 states have internal predecessors, (566), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:49:35,989 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:49:35,989 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 187 of 424 [2023-08-31 21:49:35,989 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:49:36,112 INFO L130 PetriNetUnfolder]: 744/1409 cut-off events. [2023-08-31 21:49:36,113 INFO L131 PetriNetUnfolder]: For 25/25 co-relation queries the response was YES. [2023-08-31 21:49:36,114 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2481 conditions, 1409 events. 744/1409 cut-off events. For 25/25 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 7874 event pairs, 505 based on Foata normal form. 0/1094 useless extension candidates. Maximal degree in co-relation 2478. Up to 1043 conditions per place. [2023-08-31 21:49:36,118 INFO L137 encePairwiseOnDemand]: 421/424 looper letters, 24 selfloop transitions, 1 changer transitions 0/46 dead transitions. [2023-08-31 21:49:36,118 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 46 transitions, 147 flow [2023-08-31 21:49:36,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:49:36,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:49:36,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 588 transitions. [2023-08-31 21:49:36,120 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46226415094339623 [2023-08-31 21:49:36,121 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 588 transitions. [2023-08-31 21:49:36,121 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 588 transitions. [2023-08-31 21:49:36,121 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:49:36,121 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 588 transitions. [2023-08-31 21:49:36,122 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 196.0) internal successors, (588), 3 states have internal predecessors, (588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:49:36,125 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 424.0) internal successors, (1696), 4 states have internal predecessors, (1696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:49:36,125 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 424.0) internal successors, (1696), 4 states have internal predecessors, (1696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:49:36,125 INFO L175 Difference]: Start difference. First operand has 50 places, 48 transitions, 101 flow. Second operand 3 states and 588 transitions. [2023-08-31 21:49:36,125 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 46 transitions, 147 flow [2023-08-31 21:49:36,126 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 46 transitions, 147 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 21:49:36,127 INFO L231 Difference]: Finished difference. Result has 49 places, 46 transitions, 99 flow [2023-08-31 21:49:36,127 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=424, PETRI_DIFFERENCE_MINUEND_FLOW=97, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=99, PETRI_PLACES=49, PETRI_TRANSITIONS=46} [2023-08-31 21:49:36,127 INFO L281 CegarLoopForPetriNet]: 77 programPoint places, -28 predicate places. [2023-08-31 21:49:36,127 INFO L495 AbstractCegarLoop]: Abstraction has has 49 places, 46 transitions, 99 flow [2023-08-31 21:49:36,128 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 188.66666666666666) internal successors, (566), 3 states have internal predecessors, (566), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:49:36,128 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:49:36,128 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:49:36,128 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-31 21:49:36,128 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2023-08-31 21:49:36,129 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:49:36,129 INFO L85 PathProgramCache]: Analyzing trace with hash 1225126413, now seen corresponding path program 1 times [2023-08-31 21:49:36,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:49:36,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035360244] [2023-08-31 21:49:36,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:49:36,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:49:36,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:49:36,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:49:36,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:49:36,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035360244] [2023-08-31 21:49:36,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035360244] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:49:36,210 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:49:36,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 21:49:36,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644354352] [2023-08-31 21:49:36,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:49:36,211 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 21:49:36,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:49:36,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 21:49:36,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 21:49:36,228 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 187 out of 424 [2023-08-31 21:49:36,228 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 46 transitions, 99 flow. Second operand has 3 states, 3 states have (on average 189.33333333333334) internal successors, (568), 3 states have internal predecessors, (568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:49:36,229 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:49:36,229 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 187 of 424 [2023-08-31 21:49:36,229 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:49:36,318 INFO L130 PetriNetUnfolder]: 606/1163 cut-off events. [2023-08-31 21:49:36,318 INFO L131 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2023-08-31 21:49:36,320 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2037 conditions, 1163 events. 606/1163 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 6372 event pairs, 396 based on Foata normal form. 0/995 useless extension candidates. Maximal degree in co-relation 2033. Up to 848 conditions per place. [2023-08-31 21:49:36,323 INFO L137 encePairwiseOnDemand]: 421/424 looper letters, 23 selfloop transitions, 1 changer transitions 0/44 dead transitions. [2023-08-31 21:49:36,323 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 44 transitions, 143 flow [2023-08-31 21:49:36,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 21:49:36,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 21:49:36,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 587 transitions. [2023-08-31 21:49:36,325 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46147798742138363 [2023-08-31 21:49:36,325 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 587 transitions. [2023-08-31 21:49:36,325 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 587 transitions. [2023-08-31 21:49:36,326 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:49:36,326 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 587 transitions. [2023-08-31 21:49:36,327 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 195.66666666666666) internal successors, (587), 3 states have internal predecessors, (587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:49:36,329 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 424.0) internal successors, (1696), 4 states have internal predecessors, (1696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:49:36,330 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 424.0) internal successors, (1696), 4 states have internal predecessors, (1696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:49:36,330 INFO L175 Difference]: Start difference. First operand has 49 places, 46 transitions, 99 flow. Second operand 3 states and 587 transitions. [2023-08-31 21:49:36,330 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 44 transitions, 143 flow [2023-08-31 21:49:36,331 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 44 transitions, 142 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-31 21:49:36,332 INFO L231 Difference]: Finished difference. Result has 48 places, 44 transitions, 96 flow [2023-08-31 21:49:36,332 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=424, PETRI_DIFFERENCE_MINUEND_FLOW=94, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=96, PETRI_PLACES=48, PETRI_TRANSITIONS=44} [2023-08-31 21:49:36,333 INFO L281 CegarLoopForPetriNet]: 77 programPoint places, -29 predicate places. [2023-08-31 21:49:36,335 INFO L495 AbstractCegarLoop]: Abstraction has has 48 places, 44 transitions, 96 flow [2023-08-31 21:49:36,336 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 189.33333333333334) internal successors, (568), 3 states have internal predecessors, (568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:49:36,336 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:49:36,336 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 21:49:36,336 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-31 21:49:36,336 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2023-08-31 21:49:36,337 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:49:36,338 INFO L85 PathProgramCache]: Analyzing trace with hash 1753909725, now seen corresponding path program 1 times [2023-08-31 21:49:36,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:49:36,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172802867] [2023-08-31 21:49:36,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:49:36,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:49:36,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:49:36,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:49:36,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:49:36,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172802867] [2023-08-31 21:49:36,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172802867] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:49:36,656 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:49:36,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-31 21:49:36,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384491724] [2023-08-31 21:49:36,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:49:36,657 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 21:49:36,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:49:36,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 21:49:36,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-31 21:49:36,774 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 187 out of 424 [2023-08-31 21:49:36,775 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 44 transitions, 96 flow. Second operand has 6 states, 6 states have (on average 189.0) internal successors, (1134), 6 states have internal predecessors, (1134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:49:36,775 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:49:36,775 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 187 of 424 [2023-08-31 21:49:36,775 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:49:37,005 INFO L130 PetriNetUnfolder]: 1124/1624 cut-off events. [2023-08-31 21:49:37,006 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2023-08-31 21:49:37,007 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3126 conditions, 1624 events. 1124/1624 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 114. Compared 7785 event pairs, 89 based on Foata normal form. 0/1339 useless extension candidates. Maximal degree in co-relation 3122. Up to 560 conditions per place. [2023-08-31 21:49:37,011 INFO L137 encePairwiseOnDemand]: 419/424 looper letters, 58 selfloop transitions, 4 changer transitions 0/79 dead transitions. [2023-08-31 21:49:37,014 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 79 transitions, 290 flow [2023-08-31 21:49:37,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 21:49:37,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 21:49:37,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1185 transitions. [2023-08-31 21:49:37,017 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4658018867924528 [2023-08-31 21:49:37,017 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1185 transitions. [2023-08-31 21:49:37,017 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1185 transitions. [2023-08-31 21:49:37,018 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:49:37,018 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1185 transitions. [2023-08-31 21:49:37,020 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 197.5) internal successors, (1185), 6 states have internal predecessors, (1185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:49:37,023 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 424.0) internal successors, (2968), 7 states have internal predecessors, (2968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:49:37,024 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 424.0) internal successors, (2968), 7 states have internal predecessors, (2968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:49:37,024 INFO L175 Difference]: Start difference. First operand has 48 places, 44 transitions, 96 flow. Second operand 6 states and 1185 transitions. [2023-08-31 21:49:37,024 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 79 transitions, 290 flow [2023-08-31 21:49:37,025 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 79 transitions, 289 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-31 21:49:37,026 INFO L231 Difference]: Finished difference. Result has 51 places, 43 transitions, 101 flow [2023-08-31 21:49:37,026 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=424, PETRI_DIFFERENCE_MINUEND_FLOW=93, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=101, PETRI_PLACES=51, PETRI_TRANSITIONS=43} [2023-08-31 21:49:37,027 INFO L281 CegarLoopForPetriNet]: 77 programPoint places, -26 predicate places. [2023-08-31 21:49:37,027 INFO L495 AbstractCegarLoop]: Abstraction has has 51 places, 43 transitions, 101 flow [2023-08-31 21:49:37,028 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 189.0) internal successors, (1134), 6 states have internal predecessors, (1134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:49:37,028 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:49:37,028 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] [2023-08-31 21:49:37,028 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-31 21:49:37,028 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2023-08-31 21:49:37,029 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:49:37,029 INFO L85 PathProgramCache]: Analyzing trace with hash -676129121, now seen corresponding path program 1 times [2023-08-31 21:49:37,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:49:37,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067996655] [2023-08-31 21:49:37,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:49:37,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:49:37,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:49:37,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:49:37,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:49:37,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067996655] [2023-08-31 21:49:37,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067996655] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:49:37,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:49:37,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-31 21:49:37,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943238814] [2023-08-31 21:49:37,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:49:37,253 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 21:49:37,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:49:37,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 21:49:37,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-31 21:49:37,365 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 187 out of 424 [2023-08-31 21:49:37,369 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 43 transitions, 101 flow. Second operand has 6 states, 6 states have (on average 189.5) internal successors, (1137), 6 states have internal predecessors, (1137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:49:37,370 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:49:37,370 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 187 of 424 [2023-08-31 21:49:37,370 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:49:37,568 INFO L130 PetriNetUnfolder]: 580/1032 cut-off events. [2023-08-31 21:49:37,569 INFO L131 PetriNetUnfolder]: For 55/55 co-relation queries the response was YES. [2023-08-31 21:49:37,570 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2018 conditions, 1032 events. 580/1032 cut-off events. For 55/55 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 5432 event pairs, 217 based on Foata normal form. 0/845 useless extension candidates. Maximal degree in co-relation 2014. Up to 533 conditions per place. [2023-08-31 21:49:37,573 INFO L137 encePairwiseOnDemand]: 419/424 looper letters, 50 selfloop transitions, 4 changer transitions 0/70 dead transitions. [2023-08-31 21:49:37,573 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 70 transitions, 263 flow [2023-08-31 21:49:37,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 21:49:37,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 21:49:37,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1177 transitions. [2023-08-31 21:49:37,576 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4626572327044025 [2023-08-31 21:49:37,576 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1177 transitions. [2023-08-31 21:49:37,576 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1177 transitions. [2023-08-31 21:49:37,577 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:49:37,577 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1177 transitions. [2023-08-31 21:49:37,579 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 196.16666666666666) internal successors, (1177), 6 states have internal predecessors, (1177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:49:37,582 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 424.0) internal successors, (2968), 7 states have internal predecessors, (2968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:49:37,583 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 424.0) internal successors, (2968), 7 states have internal predecessors, (2968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:49:37,583 INFO L175 Difference]: Start difference. First operand has 51 places, 43 transitions, 101 flow. Second operand 6 states and 1177 transitions. [2023-08-31 21:49:37,583 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 70 transitions, 263 flow [2023-08-31 21:49:37,584 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 70 transitions, 256 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-31 21:49:37,585 INFO L231 Difference]: Finished difference. Result has 51 places, 42 transitions, 100 flow [2023-08-31 21:49:37,585 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=424, PETRI_DIFFERENCE_MINUEND_FLOW=92, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=100, PETRI_PLACES=51, PETRI_TRANSITIONS=42} [2023-08-31 21:49:37,585 INFO L281 CegarLoopForPetriNet]: 77 programPoint places, -26 predicate places. [2023-08-31 21:49:37,585 INFO L495 AbstractCegarLoop]: Abstraction has has 51 places, 42 transitions, 100 flow [2023-08-31 21:49:37,586 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 189.5) internal successors, (1137), 6 states have internal predecessors, (1137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:49:37,586 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 21:49:37,586 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] [2023-08-31 21:49:37,586 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-31 21:49:37,586 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2023-08-31 21:49:37,586 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 21:49:37,586 INFO L85 PathProgramCache]: Analyzing trace with hash -1011158549, now seen corresponding path program 1 times [2023-08-31 21:49:37,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 21:49:37,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600101120] [2023-08-31 21:49:37,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 21:49:37,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 21:49:37,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 21:49:37,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 21:49:37,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 21:49:37,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600101120] [2023-08-31 21:49:37,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1600101120] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 21:49:37,831 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 21:49:37,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-31 21:49:37,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098159152] [2023-08-31 21:49:37,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 21:49:37,831 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-31 21:49:37,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 21:49:37,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-31 21:49:37,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-31 21:49:37,941 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 187 out of 424 [2023-08-31 21:49:37,942 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 42 transitions, 100 flow. Second operand has 6 states, 6 states have (on average 190.0) internal successors, (1140), 6 states have internal predecessors, (1140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:49:37,942 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 21:49:37,942 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 187 of 424 [2023-08-31 21:49:37,942 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 21:49:38,078 INFO L130 PetriNetUnfolder]: 452/900 cut-off events. [2023-08-31 21:49:38,079 INFO L131 PetriNetUnfolder]: For 24/24 co-relation queries the response was YES. [2023-08-31 21:49:38,079 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1654 conditions, 900 events. 452/900 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 4954 event pairs, 244 based on Foata normal form. 0/761 useless extension candidates. Maximal degree in co-relation 1650. Up to 593 conditions per place. [2023-08-31 21:49:38,080 INFO L137 encePairwiseOnDemand]: 419/424 looper letters, 0 selfloop transitions, 0 changer transitions 57/57 dead transitions. [2023-08-31 21:49:38,080 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 57 transitions, 214 flow [2023-08-31 21:49:38,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-31 21:49:38,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-31 21:49:38,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1165 transitions. [2023-08-31 21:49:38,083 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45794025157232704 [2023-08-31 21:49:38,083 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1165 transitions. [2023-08-31 21:49:38,083 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1165 transitions. [2023-08-31 21:49:38,083 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 21:49:38,084 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1165 transitions. [2023-08-31 21:49:38,085 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 194.16666666666666) internal successors, (1165), 6 states have internal predecessors, (1165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:49:38,088 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 424.0) internal successors, (2968), 7 states have internal predecessors, (2968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:49:38,088 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 424.0) internal successors, (2968), 7 states have internal predecessors, (2968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:49:38,088 INFO L175 Difference]: Start difference. First operand has 51 places, 42 transitions, 100 flow. Second operand 6 states and 1165 transitions. [2023-08-31 21:49:38,088 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 57 transitions, 214 flow [2023-08-31 21:49:38,089 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 57 transitions, 207 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-31 21:49:38,090 INFO L231 Difference]: Finished difference. Result has 51 places, 0 transitions, 0 flow [2023-08-31 21:49:38,090 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=424, PETRI_DIFFERENCE_MINUEND_FLOW=91, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=51, PETRI_TRANSITIONS=0} [2023-08-31 21:49:38,090 INFO L281 CegarLoopForPetriNet]: 77 programPoint places, -26 predicate places. [2023-08-31 21:49:38,090 INFO L495 AbstractCegarLoop]: Abstraction has has 51 places, 0 transitions, 0 flow [2023-08-31 21:49:38,091 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 190.0) internal successors, (1140), 6 states have internal predecessors, (1140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 21:49:38,092 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (47 of 48 remaining) [2023-08-31 21:49:38,093 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (46 of 48 remaining) [2023-08-31 21:49:38,093 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (45 of 48 remaining) [2023-08-31 21:49:38,093 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (44 of 48 remaining) [2023-08-31 21:49:38,093 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (43 of 48 remaining) [2023-08-31 21:49:38,093 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (42 of 48 remaining) [2023-08-31 21:49:38,093 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (41 of 48 remaining) [2023-08-31 21:49:38,094 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (40 of 48 remaining) [2023-08-31 21:49:38,094 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (39 of 48 remaining) [2023-08-31 21:49:38,094 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (38 of 48 remaining) [2023-08-31 21:49:38,094 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (37 of 48 remaining) [2023-08-31 21:49:38,094 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (36 of 48 remaining) [2023-08-31 21:49:38,094 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (35 of 48 remaining) [2023-08-31 21:49:38,094 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (34 of 48 remaining) [2023-08-31 21:49:38,095 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (33 of 48 remaining) [2023-08-31 21:49:38,095 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (32 of 48 remaining) [2023-08-31 21:49:38,095 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (31 of 48 remaining) [2023-08-31 21:49:38,095 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (30 of 48 remaining) [2023-08-31 21:49:38,095 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (29 of 48 remaining) [2023-08-31 21:49:38,096 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (28 of 48 remaining) [2023-08-31 21:49:38,096 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (27 of 48 remaining) [2023-08-31 21:49:38,096 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (26 of 48 remaining) [2023-08-31 21:49:38,096 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (25 of 48 remaining) [2023-08-31 21:49:38,096 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (24 of 48 remaining) [2023-08-31 21:49:38,096 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (23 of 48 remaining) [2023-08-31 21:49:38,096 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (22 of 48 remaining) [2023-08-31 21:49:38,097 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (21 of 48 remaining) [2023-08-31 21:49:38,097 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (20 of 48 remaining) [2023-08-31 21:49:38,097 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (19 of 48 remaining) [2023-08-31 21:49:38,097 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 48 remaining) [2023-08-31 21:49:38,097 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (17 of 48 remaining) [2023-08-31 21:49:38,097 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 48 remaining) [2023-08-31 21:49:38,098 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (15 of 48 remaining) [2023-08-31 21:49:38,098 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (14 of 48 remaining) [2023-08-31 21:49:38,098 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (13 of 48 remaining) [2023-08-31 21:49:38,098 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (12 of 48 remaining) [2023-08-31 21:49:38,098 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (11 of 48 remaining) [2023-08-31 21:49:38,098 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (10 of 48 remaining) [2023-08-31 21:49:38,099 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (9 of 48 remaining) [2023-08-31 21:49:38,099 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (8 of 48 remaining) [2023-08-31 21:49:38,099 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (7 of 48 remaining) [2023-08-31 21:49:38,099 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (6 of 48 remaining) [2023-08-31 21:49:38,099 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (5 of 48 remaining) [2023-08-31 21:49:38,099 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (4 of 48 remaining) [2023-08-31 21:49:38,099 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (3 of 48 remaining) [2023-08-31 21:49:38,100 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (2 of 48 remaining) [2023-08-31 21:49:38,100 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (1 of 48 remaining) [2023-08-31 21:49:38,100 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (0 of 48 remaining) [2023-08-31 21:49:38,100 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-31 21:49:38,100 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-08-31 21:49:38,103 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-31 21:49:38,103 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-31 21:49:38,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.08 09:49:38 BasicIcfg [2023-08-31 21:49:38,106 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-31 21:49:38,106 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-31 21:49:38,106 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-31 21:49:38,106 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-31 21:49:38,107 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 09:49:29" (3/4) ... [2023-08-31 21:49:38,108 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-31 21:49:38,111 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-08-31 21:49:38,111 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-08-31 21:49:38,111 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-08-31 21:49:38,114 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2023-08-31 21:49:38,115 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-08-31 21:49:38,115 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-31 21:49:38,115 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-31 21:49:38,139 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-31 21:49:38,139 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-31 21:49:38,140 INFO L158 Benchmark]: Toolchain (without parser) took 9114.20ms. Allocated memory was 77.6MB in the beginning and 182.5MB in the end (delta: 104.9MB). Free memory was 52.0MB in the beginning and 128.5MB in the end (delta: -76.5MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. [2023-08-31 21:49:38,140 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 77.6MB. Free memory is still 54.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-31 21:49:38,140 INFO L158 Benchmark]: CACSL2BoogieTranslator took 244.83ms. Allocated memory is still 77.6MB. Free memory was 51.8MB in the beginning and 39.5MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-31 21:49:38,140 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.26ms. Allocated memory is still 77.6MB. Free memory was 39.5MB in the beginning and 36.5MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-31 21:49:38,140 INFO L158 Benchmark]: Boogie Preprocessor took 49.74ms. Allocated memory is still 77.6MB. Free memory was 36.5MB in the beginning and 34.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-31 21:49:38,141 INFO L158 Benchmark]: RCFGBuilder took 594.66ms. Allocated memory was 77.6MB in the beginning and 104.9MB in the end (delta: 27.3MB). Free memory was 34.1MB in the beginning and 80.5MB in the end (delta: -46.5MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. [2023-08-31 21:49:38,141 INFO L158 Benchmark]: TraceAbstraction took 8127.67ms. Allocated memory was 104.9MB in the beginning and 182.5MB in the end (delta: 77.6MB). Free memory was 79.7MB in the beginning and 132.7MB in the end (delta: -53.0MB). Peak memory consumption was 113.3MB. Max. memory is 16.1GB. [2023-08-31 21:49:38,141 INFO L158 Benchmark]: Witness Printer took 33.16ms. Allocated memory is still 182.5MB. Free memory was 132.7MB in the beginning and 128.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-31 21:49:38,142 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 77.6MB. Free memory is still 54.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 244.83ms. Allocated memory is still 77.6MB. Free memory was 51.8MB in the beginning and 39.5MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.26ms. Allocated memory is still 77.6MB. Free memory was 39.5MB in the beginning and 36.5MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.74ms. Allocated memory is still 77.6MB. Free memory was 36.5MB in the beginning and 34.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 594.66ms. Allocated memory was 77.6MB in the beginning and 104.9MB in the end (delta: 27.3MB). Free memory was 34.1MB in the beginning and 80.5MB in the end (delta: -46.5MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. * TraceAbstraction took 8127.67ms. Allocated memory was 104.9MB in the beginning and 182.5MB in the end (delta: 77.6MB). Free memory was 79.7MB in the beginning and 132.7MB in the end (delta: -53.0MB). Peak memory consumption was 113.3MB. Max. memory is 16.1GB. * Witness Printer took 33.16ms. Allocated memory is still 182.5MB. Free memory was 132.7MB in the beginning and 128.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.4s, 208 PlacesBefore, 77 PlacesAfterwards, 210 TransitionsBefore, 74 TransitionsAfterwards, 4548 CoEnabledTransitionPairs, 8 FixpointIterations, 124 TrivialSequentialCompositions, 38 ConcurrentSequentialCompositions, 16 TrivialYvCompositions, 11 ConcurrentYvCompositions, 5 ChoiceCompositions, 194 TotalNumberOfCompositions, 28485 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 9085, independent: 8355, independent conditional: 0, independent unconditional: 8355, dependent: 730, dependent conditional: 0, dependent unconditional: 730, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2264, independent: 2169, independent conditional: 0, independent unconditional: 2169, dependent: 95, dependent conditional: 0, dependent unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 9085, independent: 6186, independent conditional: 0, independent unconditional: 6186, dependent: 635, dependent conditional: 0, dependent unconditional: 635, unknown: 2264, unknown conditional: 0, unknown unconditional: 2264] , Statistics on independence cache: Total cache size (in pairs): 594, Positive cache size: 539, Positive conditional cache size: 0, Positive unconditional cache size: 539, Negative cache size: 55, Negative conditional cache size: 0, Negative unconditional cache size: 55, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: 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 7 procedures, 272 locations, 48 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 8.0s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.5s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 387 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 238 mSDsluCounter, 8 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 179 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 922 IncrementalHoareTripleChecker+Invalid, 1101 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 179 mSolverCounterUnsat, 8 mSDtfsCounter, 922 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=166occurred in iteration=0, InterpolantAutomatonStates: 26, 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, 0.8s InterpolantComputationTime, 78 NumberOfCodeBlocks, 78 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 72 ConstructedInterpolants, 0 QuantifiedInterpolants, 319 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 29 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-31 21:49:38,168 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