./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/weaver/test-easy6.wvr.c --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/weaver/test-easy6.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 e29a676a5171b2e56cc2900cb5470509b7d8cacfca71c5e2d0aea36c369ff26e --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-29 03:46:25,531 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 03:46:25,534 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 03:46:25,571 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 03:46:25,571 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 03:46:25,574 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 03:46:25,576 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 03:46:25,578 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 03:46:25,580 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 03:46:25,584 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 03:46:25,585 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 03:46:25,590 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 03:46:25,590 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 03:46:25,592 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 03:46:25,593 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 03:46:25,596 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 03:46:25,596 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 03:46:25,598 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 03:46:25,599 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 03:46:25,603 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 03:46:25,604 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 03:46:25,605 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 03:46:25,606 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 03:46:25,607 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 03:46:25,613 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 03:46:25,613 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 03:46:25,613 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 03:46:25,615 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 03:46:25,615 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 03:46:25,616 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 03:46:25,616 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 03:46:25,621 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 03:46:25,622 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 03:46:25,624 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 03:46:25,624 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 03:46:25,625 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 03:46:25,625 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 03:46:25,625 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 03:46:25,626 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 03:46:25,626 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 03:46:25,627 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 03:46:25,628 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 03:46:25,657 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 03:46:25,657 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 03:46:25,658 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 03:46:25,658 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 03:46:25,659 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 03:46:25,659 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 03:46:25,660 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 03:46:25,660 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 03:46:25,660 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 03:46:25,660 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 03:46:25,661 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 03:46:25,661 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 03:46:25,662 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 03:46:25,662 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 03:46:25,662 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 03:46:25,662 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 03:46:25,662 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 03:46:25,662 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 03:46:25,663 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 03:46:25,663 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 03:46:25,663 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 03:46:25,663 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 03:46:25,663 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 03:46:25,663 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 03:46:25,664 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 03:46:25,664 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 03:46:25,664 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 03:46:25,664 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 03:46:25,664 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 03:46:25,665 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 03:46:25,665 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 03:46:25,665 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 03:46:25,665 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 03:46:25,665 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 03:46:25,665 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 03:46:25,666 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 03:46:25,666 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 03:46:25,666 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e29a676a5171b2e56cc2900cb5470509b7d8cacfca71c5e2d0aea36c369ff26e Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> AFTER [2023-08-29 03:46:25,978 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 03:46:26,003 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 03:46:26,006 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 03:46:26,007 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 03:46:26,007 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 03:46:26,009 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/test-easy6.wvr.c [2023-08-29 03:46:27,173 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 03:46:27,395 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 03:46:27,396 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-easy6.wvr.c [2023-08-29 03:46:27,403 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02f28a12e/6c29855df461466e84a35d40d2ac2ae8/FLAGdbc27b067 [2023-08-29 03:46:27,417 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02f28a12e/6c29855df461466e84a35d40d2ac2ae8 [2023-08-29 03:46:27,419 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 03:46:27,420 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 03:46:27,421 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 03:46:27,421 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 03:46:27,427 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 03:46:27,428 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 03:46:27" (1/1) ... [2023-08-29 03:46:27,429 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fe99c7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:46:27, skipping insertion in model container [2023-08-29 03:46:27,429 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 03:46:27" (1/1) ... [2023-08-29 03:46:27,434 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 03:46:27,453 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 03:46:27,581 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/test-easy6.wvr.c[3046,3059] [2023-08-29 03:46:27,582 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 03:46:27,593 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 03:46:27,615 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/test-easy6.wvr.c[3046,3059] [2023-08-29 03:46:27,616 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 03:46:27,623 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 03:46:27,623 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 03:46:27,628 INFO L208 MainTranslator]: Completed translation [2023-08-29 03:46:27,629 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:46:27 WrapperNode [2023-08-29 03:46:27,629 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 03:46:27,630 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 03:46:27,630 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 03:46:27,630 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 03:46:27,636 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:46:27" (1/1) ... [2023-08-29 03:46:27,651 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:46:27" (1/1) ... [2023-08-29 03:46:27,686 INFO L138 Inliner]: procedures = 21, calls = 59, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 231 [2023-08-29 03:46:27,687 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 03:46:27,689 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 03:46:27,689 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 03:46:27,689 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 03:46:27,696 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:46:27" (1/1) ... [2023-08-29 03:46:27,697 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:46:27" (1/1) ... [2023-08-29 03:46:27,710 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:46:27" (1/1) ... [2023-08-29 03:46:27,710 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:46:27" (1/1) ... [2023-08-29 03:46:27,719 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:46:27" (1/1) ... [2023-08-29 03:46:27,727 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:46:27" (1/1) ... [2023-08-29 03:46:27,729 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:46:27" (1/1) ... [2023-08-29 03:46:27,733 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:46:27" (1/1) ... [2023-08-29 03:46:27,736 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 03:46:27,738 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 03:46:27,738 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 03:46:27,738 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 03:46:27,739 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:46:27" (1/1) ... [2023-08-29 03:46:27,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 03:46:27,759 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 03:46:27,770 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-29 03:46:27,795 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-29 03:46:27,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 03:46:27,858 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-29 03:46:27,858 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-29 03:46:27,858 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-29 03:46:27,858 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-29 03:46:27,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 03:46:27,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 03:46:27,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 03:46:27,859 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-29 03:46:27,859 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-29 03:46:27,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 03:46:27,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 03:46:27,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 03:46:27,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 03:46:27,861 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-29 03:46:27,975 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 03:46:27,977 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 03:46:28,334 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 03:46:28,517 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 03:46:28,517 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-29 03:46:28,520 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:46:28 BoogieIcfgContainer [2023-08-29 03:46:28,520 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 03:46:28,522 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 03:46:28,522 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 03:46:28,525 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 03:46:28,525 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 03:46:27" (1/3) ... [2023-08-29 03:46:28,526 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12f2558f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 03:46:28, skipping insertion in model container [2023-08-29 03:46:28,526 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:46:27" (2/3) ... [2023-08-29 03:46:28,527 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12f2558f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 03:46:28, skipping insertion in model container [2023-08-29 03:46:28,527 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:46:28" (3/3) ... [2023-08-29 03:46:28,528 INFO L112 eAbstractionObserver]: Analyzing ICFG test-easy6.wvr.c [2023-08-29 03:46:28,535 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 03:46:28,543 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 03:46:28,544 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 33 error locations. [2023-08-29 03:46:28,544 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 03:46:28,635 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-29 03:46:28,675 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 127 places, 121 transitions, 258 flow [2023-08-29 03:46:28,736 INFO L130 PetriNetUnfolder]: 1/119 cut-off events. [2023-08-29 03:46:28,736 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-29 03:46:28,740 INFO L83 FinitePrefix]: Finished finitePrefix Result has 128 conditions, 119 events. 1/119 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 183 event pairs, 0 based on Foata normal form. 0/85 useless extension candidates. Maximal degree in co-relation 54. Up to 2 conditions per place. [2023-08-29 03:46:28,740 INFO L82 GeneralOperation]: Start removeDead. Operand has 127 places, 121 transitions, 258 flow [2023-08-29 03:46:28,746 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 111 places, 104 transitions, 220 flow [2023-08-29 03:46:28,749 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 03:46:28,767 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 111 places, 104 transitions, 220 flow [2023-08-29 03:46:28,774 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 111 places, 104 transitions, 220 flow [2023-08-29 03:46:28,775 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 111 places, 104 transitions, 220 flow [2023-08-29 03:46:28,818 INFO L130 PetriNetUnfolder]: 0/104 cut-off events. [2023-08-29 03:46:28,818 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-29 03:46:28,818 INFO L83 FinitePrefix]: Finished finitePrefix Result has 113 conditions, 104 events. 0/104 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 183 event pairs, 0 based on Foata normal form. 0/72 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2023-08-29 03:46:28,820 INFO L119 LiptonReduction]: Number of co-enabled transitions 3068 [2023-08-29 03:46:30,687 INFO L134 LiptonReduction]: Checked pairs total: 18708 [2023-08-29 03:46:30,687 INFO L136 LiptonReduction]: Total number of compositions: 55 [2023-08-29 03:46:30,706 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 03:46:30,712 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;@b34a205, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 03:46:30,713 INFO L358 AbstractCegarLoop]: Starting to check reachability of 65 error locations. [2023-08-29 03:46:30,715 INFO L130 PetriNetUnfolder]: 0/2 cut-off events. [2023-08-29 03:46:30,715 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 03:46:30,715 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 03:46:30,716 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-08-29 03:46:30,716 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 61 more)] === [2023-08-29 03:46:30,721 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 03:46:30,721 INFO L85 PathProgramCache]: Analyzing trace with hash 681306, now seen corresponding path program 1 times [2023-08-29 03:46:30,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 03:46:30,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192906920] [2023-08-29 03:46:30,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 03:46:30,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 03:46:30,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 03:46:30,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 03:46:30,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 03:46:30,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192906920] [2023-08-29 03:46:30,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1192906920] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 03:46:30,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 03:46:30,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-29 03:46:30,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625239978] [2023-08-29 03:46:30,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 03:46:30,899 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-29 03:46:30,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 03:46:30,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-29 03:46:30,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-29 03:46:30,920 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 67 out of 176 [2023-08-29 03:46:30,922 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 59 transitions, 130 flow. Second operand has 2 states, 2 states have (on average 68.5) internal successors, (137), 2 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:46:30,922 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 03:46:30,922 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 67 of 176 [2023-08-29 03:46:30,923 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 03:46:31,066 INFO L130 PetriNetUnfolder]: 297/539 cut-off events. [2023-08-29 03:46:31,067 INFO L131 PetriNetUnfolder]: For 25/25 co-relation queries the response was YES. [2023-08-29 03:46:31,070 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1115 conditions, 539 events. 297/539 cut-off events. For 25/25 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1876 event pairs, 297 based on Foata normal form. 1/540 useless extension candidates. Maximal degree in co-relation 1016. Up to 540 conditions per place. [2023-08-29 03:46:31,072 INFO L137 encePairwiseOnDemand]: 143/176 looper letters, 0 selfloop transitions, 0 changer transitions 26/26 dead transitions. [2023-08-29 03:46:31,072 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 26 transitions, 116 flow [2023-08-29 03:46:31,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-29 03:46:31,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-29 03:46:31,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 193 transitions. [2023-08-29 03:46:31,085 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5482954545454546 [2023-08-29 03:46:31,086 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 193 transitions. [2023-08-29 03:46:31,086 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 193 transitions. [2023-08-29 03:46:31,087 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 03:46:31,089 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 193 transitions. [2023-08-29 03:46:31,095 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 96.5) internal successors, (193), 2 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:46:31,098 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 176.0) internal successors, (528), 3 states have internal predecessors, (528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:46:31,099 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 176.0) internal successors, (528), 3 states have internal predecessors, (528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:46:31,100 INFO L175 Difference]: Start difference. First operand has 66 places, 59 transitions, 130 flow. Second operand 2 states and 193 transitions. [2023-08-29 03:46:31,101 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 26 transitions, 116 flow [2023-08-29 03:46:31,104 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 26 transitions, 108 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-08-29 03:46:31,104 INFO L231 Difference]: Finished difference. Result has 30 places, 0 transitions, 0 flow [2023-08-29 03:46:31,106 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=176, PETRI_DIFFERENCE_MINUEND_FLOW=56, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=0, PETRI_PLACES=30, PETRI_TRANSITIONS=0} [2023-08-29 03:46:31,109 INFO L281 CegarLoopForPetriNet]: 66 programPoint places, -36 predicate places. [2023-08-29 03:46:31,109 INFO L495 AbstractCegarLoop]: Abstraction has has 30 places, 0 transitions, 0 flow [2023-08-29 03:46:31,111 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 68.5) internal successors, (137), 2 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 03:46:31,116 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (64 of 65 remaining) [2023-08-29 03:46:31,120 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (63 of 65 remaining) [2023-08-29 03:46:31,120 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (62 of 65 remaining) [2023-08-29 03:46:31,120 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (61 of 65 remaining) [2023-08-29 03:46:31,121 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (60 of 65 remaining) [2023-08-29 03:46:31,121 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (59 of 65 remaining) [2023-08-29 03:46:31,122 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (58 of 65 remaining) [2023-08-29 03:46:31,122 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (57 of 65 remaining) [2023-08-29 03:46:31,123 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (56 of 65 remaining) [2023-08-29 03:46:31,123 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (55 of 65 remaining) [2023-08-29 03:46:31,123 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (54 of 65 remaining) [2023-08-29 03:46:31,127 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (53 of 65 remaining) [2023-08-29 03:46:31,127 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (52 of 65 remaining) [2023-08-29 03:46:31,128 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (51 of 65 remaining) [2023-08-29 03:46:31,129 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (50 of 65 remaining) [2023-08-29 03:46:31,129 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (49 of 65 remaining) [2023-08-29 03:46:31,129 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (48 of 65 remaining) [2023-08-29 03:46:31,130 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (47 of 65 remaining) [2023-08-29 03:46:31,130 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (46 of 65 remaining) [2023-08-29 03:46:31,130 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (45 of 65 remaining) [2023-08-29 03:46:31,130 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (44 of 65 remaining) [2023-08-29 03:46:31,131 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (43 of 65 remaining) [2023-08-29 03:46:31,132 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (42 of 65 remaining) [2023-08-29 03:46:31,132 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (41 of 65 remaining) [2023-08-29 03:46:31,132 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (40 of 65 remaining) [2023-08-29 03:46:31,133 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (39 of 65 remaining) [2023-08-29 03:46:31,133 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (38 of 65 remaining) [2023-08-29 03:46:31,133 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (37 of 65 remaining) [2023-08-29 03:46:31,133 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (36 of 65 remaining) [2023-08-29 03:46:31,134 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (35 of 65 remaining) [2023-08-29 03:46:31,134 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (34 of 65 remaining) [2023-08-29 03:46:31,134 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (33 of 65 remaining) [2023-08-29 03:46:31,134 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (32 of 65 remaining) [2023-08-29 03:46:31,134 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (31 of 65 remaining) [2023-08-29 03:46:31,135 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (30 of 65 remaining) [2023-08-29 03:46:31,135 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (29 of 65 remaining) [2023-08-29 03:46:31,135 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (28 of 65 remaining) [2023-08-29 03:46:31,135 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (27 of 65 remaining) [2023-08-29 03:46:31,135 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (26 of 65 remaining) [2023-08-29 03:46:31,136 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (25 of 65 remaining) [2023-08-29 03:46:31,136 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (24 of 65 remaining) [2023-08-29 03:46:31,136 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (23 of 65 remaining) [2023-08-29 03:46:31,137 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (22 of 65 remaining) [2023-08-29 03:46:31,137 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (21 of 65 remaining) [2023-08-29 03:46:31,137 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (20 of 65 remaining) [2023-08-29 03:46:31,137 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (19 of 65 remaining) [2023-08-29 03:46:31,138 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (18 of 65 remaining) [2023-08-29 03:46:31,138 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (17 of 65 remaining) [2023-08-29 03:46:31,138 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (16 of 65 remaining) [2023-08-29 03:46:31,138 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (15 of 65 remaining) [2023-08-29 03:46:31,139 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (14 of 65 remaining) [2023-08-29 03:46:31,139 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (13 of 65 remaining) [2023-08-29 03:46:31,139 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (12 of 65 remaining) [2023-08-29 03:46:31,142 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (11 of 65 remaining) [2023-08-29 03:46:31,143 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (10 of 65 remaining) [2023-08-29 03:46:31,143 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (9 of 65 remaining) [2023-08-29 03:46:31,143 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (8 of 65 remaining) [2023-08-29 03:46:31,143 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (7 of 65 remaining) [2023-08-29 03:46:31,143 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (6 of 65 remaining) [2023-08-29 03:46:31,144 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (5 of 65 remaining) [2023-08-29 03:46:31,144 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (4 of 65 remaining) [2023-08-29 03:46:31,144 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (3 of 65 remaining) [2023-08-29 03:46:31,144 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (2 of 65 remaining) [2023-08-29 03:46:31,144 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (1 of 65 remaining) [2023-08-29 03:46:31,145 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (0 of 65 remaining) [2023-08-29 03:46:31,145 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 03:46:31,145 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-29 03:46:31,152 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-29 03:46:31,152 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-29 03:46:31,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 03:46:31 BasicIcfg [2023-08-29 03:46:31,156 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-29 03:46:31,156 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-29 03:46:31,156 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-29 03:46:31,156 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-29 03:46:31,157 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:46:28" (3/4) ... [2023-08-29 03:46:31,159 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-29 03:46:31,163 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-08-29 03:46:31,163 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-08-29 03:46:31,168 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2023-08-29 03:46:31,168 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-08-29 03:46:31,168 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-29 03:46:31,169 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-29 03:46:31,198 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-29 03:46:31,201 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-29 03:46:31,202 INFO L158 Benchmark]: Toolchain (without parser) took 3781.78ms. Allocated memory was 71.3MB in the beginning and 119.5MB in the end (delta: 48.2MB). Free memory was 49.2MB in the beginning and 61.8MB in the end (delta: -12.6MB). Peak memory consumption was 37.5MB. Max. memory is 16.1GB. [2023-08-29 03:46:31,202 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 71.3MB. Free memory is still 48.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 03:46:31,202 INFO L158 Benchmark]: CACSL2BoogieTranslator took 208.32ms. Allocated memory is still 71.3MB. Free memory was 49.1MB in the beginning and 37.5MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-29 03:46:31,202 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.68ms. Allocated memory is still 71.3MB. Free memory was 37.5MB in the beginning and 35.4MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 03:46:31,203 INFO L158 Benchmark]: Boogie Preprocessor took 48.47ms. Allocated memory is still 71.3MB. Free memory was 35.3MB in the beginning and 33.7MB in the end (delta: 1.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-29 03:46:31,205 INFO L158 Benchmark]: RCFGBuilder took 782.62ms. Allocated memory was 71.3MB in the beginning and 94.4MB in the end (delta: 23.1MB). Free memory was 33.7MB in the beginning and 65.7MB in the end (delta: -32.0MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2023-08-29 03:46:31,205 INFO L158 Benchmark]: TraceAbstraction took 2633.49ms. Allocated memory was 94.4MB in the beginning and 119.5MB in the end (delta: 25.2MB). Free memory was 64.8MB in the beginning and 64.2MB in the end (delta: 612.2kB). Peak memory consumption was 43.9MB. Max. memory is 16.1GB. [2023-08-29 03:46:31,205 INFO L158 Benchmark]: Witness Printer took 44.99ms. Allocated memory is still 119.5MB. Free memory was 64.2MB in the beginning and 61.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 03:46:31,207 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 71.3MB. Free memory is still 48.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 208.32ms. Allocated memory is still 71.3MB. Free memory was 49.1MB in the beginning and 37.5MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.68ms. Allocated memory is still 71.3MB. Free memory was 37.5MB in the beginning and 35.4MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 48.47ms. Allocated memory is still 71.3MB. Free memory was 35.3MB in the beginning and 33.7MB in the end (delta: 1.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 782.62ms. Allocated memory was 71.3MB in the beginning and 94.4MB in the end (delta: 23.1MB). Free memory was 33.7MB in the beginning and 65.7MB in the end (delta: -32.0MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. * TraceAbstraction took 2633.49ms. Allocated memory was 94.4MB in the beginning and 119.5MB in the end (delta: 25.2MB). Free memory was 64.8MB in the beginning and 64.2MB in the end (delta: 612.2kB). Peak memory consumption was 43.9MB. Max. memory is 16.1GB. * Witness Printer took 44.99ms. Allocated memory is still 119.5MB. Free memory was 64.2MB in the beginning and 61.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.9s, 111 PlacesBefore, 66 PlacesAfterwards, 104 TransitionsBefore, 59 TransitionsAfterwards, 3068 CoEnabledTransitionPairs, 5 FixpointIterations, 24 TrivialSequentialCompositions, 31 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 55 TotalNumberOfCompositions, 18708 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 8072, independent: 7550, independent conditional: 0, independent unconditional: 7550, dependent: 522, dependent conditional: 0, dependent unconditional: 522, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1549, independent: 1506, independent conditional: 0, independent unconditional: 1506, dependent: 43, dependent conditional: 0, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 8072, independent: 6044, independent conditional: 0, independent unconditional: 6044, dependent: 479, dependent conditional: 0, dependent unconditional: 479, unknown: 1549, unknown conditional: 0, unknown unconditional: 1549] , Statistics on independence cache: Total cache size (in pairs): 630, Positive cache size: 589, Positive conditional cache size: 0, Positive unconditional cache size: 589, Negative cache size: 41, Negative conditional cache size: 0, Negative unconditional cache size: 41, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: 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: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: 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: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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 - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 112]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 115]: 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 5 procedures, 177 locations, 65 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: 2.5s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 26 IncrementalHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 0 mSDtfsCounter, 26 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=130occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 2 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 33 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-29 03:46:31,227 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE