./Ultimate.py --spec /storage/repos/ultimate/trunk/examples/svcomp/properties/no-data-race.prp --file /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe032_tso.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version efd9311c 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 /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe032_tso.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ffff09405c16ea86880fae0b9b6268edfa5ef4b2d03cee31a9e4f2e1ac044811 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-efd9311-m [2022-04-18 16:28:57,375 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-18 16:28:57,377 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-18 16:28:57,410 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-18 16:28:57,410 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-18 16:28:57,411 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-18 16:28:57,412 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-18 16:28:57,416 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-18 16:28:57,417 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-18 16:28:57,424 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-18 16:28:57,424 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-18 16:28:57,426 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-18 16:28:57,426 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-18 16:28:57,427 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-18 16:28:57,428 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-18 16:28:57,430 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-18 16:28:57,431 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-18 16:28:57,432 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-18 16:28:57,433 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-18 16:28:57,437 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-18 16:28:57,438 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-18 16:28:57,439 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-18 16:28:57,439 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-18 16:28:57,440 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-18 16:28:57,441 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-18 16:28:57,445 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-18 16:28:57,446 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-18 16:28:57,446 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-18 16:28:57,447 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-18 16:28:57,447 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-18 16:28:57,448 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-18 16:28:57,448 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-18 16:28:57,449 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-18 16:28:57,449 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-18 16:28:57,450 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-18 16:28:57,450 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-18 16:28:57,451 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-18 16:28:57,452 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-18 16:28:57,452 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-18 16:28:57,452 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-18 16:28:57,453 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-18 16:28:57,454 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-18 16:28:57,454 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-04-18 16:28:57,476 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-18 16:28:57,476 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-18 16:28:57,477 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-04-18 16:28:57,477 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-04-18 16:28:57,477 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-18 16:28:57,477 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-18 16:28:57,478 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-04-18 16:28:57,478 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-04-18 16:28:57,478 INFO L138 SettingsManager]: * Use SBE=true [2022-04-18 16:28:57,479 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-18 16:28:57,479 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-18 16:28:57,479 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-04-18 16:28:57,479 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-18 16:28:57,479 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-18 16:28:57,479 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-18 16:28:57,479 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-18 16:28:57,480 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-18 16:28:57,480 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-18 16:28:57,480 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-04-18 16:28:57,481 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-18 16:28:57,481 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-18 16:28:57,481 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-18 16:28:57,481 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-18 16:28:57,481 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-18 16:28:57,481 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-18 16:28:57,481 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-18 16:28:57,482 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 16:28:57,482 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-18 16:28:57,482 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-18 16:28:57,482 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-18 16:28:57,482 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-18 16:28:57,482 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-18 16:28:57,482 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-04-18 16:28:57,483 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-04-18 16:28:57,483 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-18 16:28:57,483 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ffff09405c16ea86880fae0b9b6268edfa5ef4b2d03cee31a9e4f2e1ac044811 [2022-04-18 16:28:57,640 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-18 16:28:57,652 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-18 16:28:57,657 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-18 16:28:57,657 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-18 16:28:57,658 INFO L275 PluginConnector]: CDTParser initialized [2022-04-18 16:28:57,659 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe032_tso.i [2022-04-18 16:28:57,704 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3325e53f/42f972485055475cac6aaccf72867605/FLAG4907964e9 [2022-04-18 16:28:58,087 INFO L306 CDTParser]: Found 1 translation units. [2022-04-18 16:28:58,087 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe032_tso.i [2022-04-18 16:28:58,099 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3325e53f/42f972485055475cac6aaccf72867605/FLAG4907964e9 [2022-04-18 16:28:58,107 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3325e53f/42f972485055475cac6aaccf72867605 [2022-04-18 16:28:58,109 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-18 16:28:58,109 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-04-18 16:28:58,113 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-18 16:28:58,113 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-18 16:28:58,115 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-18 16:28:58,116 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 04:28:58" (1/1) ... [2022-04-18 16:28:58,116 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d56c217 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:28:58, skipping insertion in model container [2022-04-18 16:28:58,116 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 04:28:58" (1/1) ... [2022-04-18 16:28:58,121 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-18 16:28:58,151 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-18 16:28:58,269 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe032_tso.i[945,958] [2022-04-18 16:28:58,397 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 16:28:58,406 INFO L203 MainTranslator]: Completed pre-run [2022-04-18 16:28:58,415 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe032_tso.i[945,958] [2022-04-18 16:28:58,443 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 16:28:58,464 INFO L208 MainTranslator]: Completed translation [2022-04-18 16:28:58,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:28:58 WrapperNode [2022-04-18 16:28:58,465 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-18 16:28:58,466 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-04-18 16:28:58,466 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-04-18 16:28:58,467 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-04-18 16:28:58,471 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:28:58" (1/1) ... [2022-04-18 16:28:58,485 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:28:58" (1/1) ... [2022-04-18 16:28:58,505 INFO L137 Inliner]: procedures = 176, calls = 57, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 104 [2022-04-18 16:28:58,505 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-04-18 16:28:58,506 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-18 16:28:58,506 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-18 16:28:58,506 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-18 16:28:58,512 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:28:58" (1/1) ... [2022-04-18 16:28:58,512 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:28:58" (1/1) ... [2022-04-18 16:28:58,527 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:28:58" (1/1) ... [2022-04-18 16:28:58,533 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:28:58" (1/1) ... [2022-04-18 16:28:58,536 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:28:58" (1/1) ... [2022-04-18 16:28:58,544 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:28:58" (1/1) ... [2022-04-18 16:28:58,545 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:28:58" (1/1) ... [2022-04-18 16:28:58,547 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-18 16:28:58,548 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-18 16:28:58,550 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-18 16:28:58,550 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-18 16:28:58,551 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:28:58" (1/1) ... [2022-04-18 16:28:58,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 16:28:58,562 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-18 16:28:58,571 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) [2022-04-18 16:28:58,578 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 [2022-04-18 16:28:58,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-18 16:28:58,605 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-04-18 16:28:58,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-18 16:28:58,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-04-18 16:28:58,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-18 16:28:58,605 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-04-18 16:28:58,605 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-04-18 16:28:58,605 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-04-18 16:28:58,605 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-04-18 16:28:58,605 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-04-18 16:28:58,606 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-04-18 16:28:58,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-18 16:28:58,606 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-04-18 16:28:58,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-18 16:28:58,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-18 16:28:58,607 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-04-18 16:28:58,685 INFO L234 CfgBuilder]: Building ICFG [2022-04-18 16:28:58,686 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-18 16:28:58,874 INFO L275 CfgBuilder]: Performing block encoding [2022-04-18 16:28:58,946 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-18 16:28:58,947 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-04-18 16:28:58,948 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 04:28:58 BoogieIcfgContainer [2022-04-18 16:28:58,948 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-18 16:28:58,949 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-18 16:28:58,949 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-18 16:28:58,951 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-18 16:28:58,952 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 04:28:58" (1/3) ... [2022-04-18 16:28:58,952 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b3a6750 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 04:28:58, skipping insertion in model container [2022-04-18 16:28:58,952 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:28:58" (2/3) ... [2022-04-18 16:28:58,952 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b3a6750 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 04:28:58, skipping insertion in model container [2022-04-18 16:28:58,952 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 04:28:58" (3/3) ... [2022-04-18 16:28:58,953 INFO L111 eAbstractionObserver]: Analyzing ICFG safe032_tso.i [2022-04-18 16:28:58,956 WARN L147 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-04-18 16:28:58,956 INFO L202 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-04-18 16:28:58,957 INFO L161 ceAbstractionStarter]: Applying trace abstraction to program that has 23 error locations. [2022-04-18 16:28:58,957 INFO L504 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-04-18 16:28:59,005 INFO L135 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-04-18 16:28:59,033 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-18 16:28:59,039 INFO L340 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 [2022-04-18 16:28:59,039 INFO L341 AbstractCegarLoop]: Starting to check reachability of 40 error locations. [2022-04-18 16:28:59,047 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 125 places, 117 transitions, 249 flow [2022-04-18 16:28:59,078 INFO L129 PetriNetUnfolder]: 2/114 cut-off events. [2022-04-18 16:28:59,078 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-04-18 16:28:59,082 INFO L84 FinitePrefix]: Finished finitePrefix Result has 124 conditions, 114 events. 2/114 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 121 event pairs, 0 based on Foata normal form. 0/89 useless extension candidates. Maximal degree in co-relation 94. Up to 2 conditions per place. [2022-04-18 16:28:59,082 INFO L82 GeneralOperation]: Start removeDead. Operand has 125 places, 117 transitions, 249 flow [2022-04-18 16:28:59,085 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 122 places, 114 transitions, 237 flow [2022-04-18 16:28:59,089 INFO L129 PetriNetUnfolder]: 0/26 cut-off events. [2022-04-18 16:28:59,089 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-04-18 16:28:59,089 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:28:59,090 INFO L255 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] [2022-04-18 16:28:59,090 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-04-18 16:28:59,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:28:59,094 INFO L85 PathProgramCache]: Analyzing trace with hash 359311098, now seen corresponding path program 1 times [2022-04-18 16:28:59,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:28:59,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670701726] [2022-04-18 16:28:59,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:28:59,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:28:59,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:28:59,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:28:59,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:28:59,265 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670701726] [2022-04-18 16:28:59,265 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670701726] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:28:59,265 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:28:59,266 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-04-18 16:28:59,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690006835] [2022-04-18 16:28:59,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:28:59,272 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-04-18 16:28:59,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:28:59,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-04-18 16:28:59,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-04-18 16:28:59,290 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 117 [2022-04-18 16:28:59,292 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 114 transitions, 237 flow. Second operand has 2 states, 2 states have (on average 80.0) internal successors, (160), 2 states have internal predecessors, (160), 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) [2022-04-18 16:28:59,292 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:28:59,292 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 117 [2022-04-18 16:28:59,293 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:28:59,463 INFO L129 PetriNetUnfolder]: 396/828 cut-off events. [2022-04-18 16:28:59,463 INFO L130 PetriNetUnfolder]: For 21/21 co-relation queries the response was YES. [2022-04-18 16:28:59,466 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1483 conditions, 828 events. 396/828 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 4678 event pairs, 396 based on Foata normal form. 54/814 useless extension candidates. Maximal degree in co-relation 1451. Up to 609 conditions per place. [2022-04-18 16:28:59,471 INFO L132 encePairwiseOnDemand]: 94/117 looper letters, 14 selfloop transitions, 0 changer transitions 0/90 dead transitions. [2022-04-18 16:28:59,471 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 90 transitions, 217 flow [2022-04-18 16:28:59,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:28:59,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-04-18 16:28:59,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 195 transitions. [2022-04-18 16:28:59,480 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.8333333333333334 [2022-04-18 16:28:59,480 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 195 transitions. [2022-04-18 16:28:59,480 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 195 transitions. [2022-04-18 16:28:59,481 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:28:59,482 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 195 transitions. [2022-04-18 16:28:59,484 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 97.5) internal successors, (195), 2 states have internal predecessors, (195), 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) [2022-04-18 16:28:59,486 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 117.0) internal successors, (351), 3 states have internal predecessors, (351), 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) [2022-04-18 16:28:59,486 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 117.0) internal successors, (351), 3 states have internal predecessors, (351), 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) [2022-04-18 16:28:59,487 INFO L186 Difference]: Start difference. First operand has 122 places, 114 transitions, 237 flow. Second operand 2 states and 195 transitions. [2022-04-18 16:28:59,488 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 90 transitions, 217 flow [2022-04-18 16:28:59,489 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 90 transitions, 214 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-04-18 16:28:59,491 INFO L242 Difference]: Finished difference. Result has 98 places, 90 transitions, 186 flow [2022-04-18 16:28:59,493 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=186, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=186, PETRI_PLACES=98, PETRI_TRANSITIONS=90} [2022-04-18 16:28:59,495 INFO L335 CegarLoopForPetriNet]: 122 programPoint places, -24 predicate places. [2022-04-18 16:28:59,495 INFO L478 AbstractCegarLoop]: Abstraction has has 98 places, 90 transitions, 186 flow [2022-04-18 16:28:59,495 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 80.0) internal successors, (160), 2 states have internal predecessors, (160), 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) [2022-04-18 16:28:59,496 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:28:59,496 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:28:59,496 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-18 16:28:59,496 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-04-18 16:28:59,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:28:59,497 INFO L85 PathProgramCache]: Analyzing trace with hash 2017005016, now seen corresponding path program 1 times [2022-04-18 16:28:59,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:28:59,497 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748558221] [2022-04-18 16:28:59,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:28:59,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:28:59,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:28:59,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:28:59,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:28:59,563 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748558221] [2022-04-18 16:28:59,563 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748558221] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:28:59,564 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:28:59,565 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:28:59,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586201415] [2022-04-18 16:28:59,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:28:59,566 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:28:59,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:28:59,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:28:59,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:28:59,569 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 117 [2022-04-18 16:28:59,570 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 90 transitions, 186 flow. Second operand has 3 states, 3 states have (on average 78.0) internal successors, (234), 3 states have internal predecessors, (234), 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) [2022-04-18 16:28:59,570 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:28:59,570 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 117 [2022-04-18 16:28:59,571 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:28:59,831 INFO L129 PetriNetUnfolder]: 684/2900 cut-off events. [2022-04-18 16:28:59,832 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-04-18 16:28:59,838 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3969 conditions, 2900 events. 684/2900 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 25826 event pairs, 252 based on Foata normal form. 0/2690 useless extension candidates. Maximal degree in co-relation 3966. Up to 624 conditions per place. [2022-04-18 16:28:59,847 INFO L132 encePairwiseOnDemand]: 115/117 looper letters, 24 selfloop transitions, 1 changer transitions 0/98 dead transitions. [2022-04-18 16:28:59,847 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 98 transitions, 252 flow [2022-04-18 16:28:59,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:28:59,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:28:59,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 254 transitions. [2022-04-18 16:28:59,852 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.7236467236467237 [2022-04-18 16:28:59,852 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 254 transitions. [2022-04-18 16:28:59,852 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 254 transitions. [2022-04-18 16:28:59,853 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:28:59,853 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 254 transitions. [2022-04-18 16:28:59,855 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 84.66666666666667) internal successors, (254), 3 states have internal predecessors, (254), 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) [2022-04-18 16:28:59,857 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 117.0) internal successors, (468), 4 states have internal predecessors, (468), 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) [2022-04-18 16:28:59,857 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 117.0) internal successors, (468), 4 states have internal predecessors, (468), 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) [2022-04-18 16:28:59,857 INFO L186 Difference]: Start difference. First operand has 98 places, 90 transitions, 186 flow. Second operand 3 states and 254 transitions. [2022-04-18 16:28:59,857 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 98 transitions, 252 flow [2022-04-18 16:28:59,858 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 98 transitions, 252 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-04-18 16:28:59,860 INFO L242 Difference]: Finished difference. Result has 99 places, 89 transitions, 186 flow [2022-04-18 16:28:59,860 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=184, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=186, PETRI_PLACES=99, PETRI_TRANSITIONS=89} [2022-04-18 16:28:59,861 INFO L335 CegarLoopForPetriNet]: 122 programPoint places, -23 predicate places. [2022-04-18 16:28:59,861 INFO L478 AbstractCegarLoop]: Abstraction has has 99 places, 89 transitions, 186 flow [2022-04-18 16:28:59,861 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 78.0) internal successors, (234), 3 states have internal predecessors, (234), 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) [2022-04-18 16:28:59,861 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:28:59,861 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:28:59,861 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-04-18 16:28:59,862 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-04-18 16:28:59,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:28:59,862 INFO L85 PathProgramCache]: Analyzing trace with hash 354455041, now seen corresponding path program 1 times [2022-04-18 16:28:59,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:28:59,863 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810541378] [2022-04-18 16:28:59,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:28:59,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:28:59,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:28:59,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:28:59,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:28:59,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810541378] [2022-04-18 16:28:59,958 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [810541378] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:28:59,958 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:28:59,958 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:28:59,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888547582] [2022-04-18 16:28:59,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:28:59,959 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:28:59,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:28:59,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:28:59,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:28:59,960 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 117 [2022-04-18 16:28:59,960 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 89 transitions, 186 flow. Second operand has 3 states, 3 states have (on average 78.33333333333333) internal successors, (235), 3 states have internal predecessors, (235), 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) [2022-04-18 16:28:59,960 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:28:59,960 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 117 [2022-04-18 16:28:59,960 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:29:00,162 INFO L129 PetriNetUnfolder]: 684/2311 cut-off events. [2022-04-18 16:29:00,163 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-04-18 16:29:00,167 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3382 conditions, 2311 events. 684/2311 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 18729 event pairs, 396 based on Foata normal form. 0/2182 useless extension candidates. Maximal degree in co-relation 3378. Up to 609 conditions per place. [2022-04-18 16:29:00,168 INFO L132 encePairwiseOnDemand]: 115/117 looper letters, 0 selfloop transitions, 0 changer transitions 97/97 dead transitions. [2022-04-18 16:29:00,168 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 97 transitions, 252 flow [2022-04-18 16:29:00,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:29:00,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:29:00,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 254 transitions. [2022-04-18 16:29:00,171 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.7236467236467237 [2022-04-18 16:29:00,171 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 254 transitions. [2022-04-18 16:29:00,171 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 254 transitions. [2022-04-18 16:29:00,172 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:29:00,172 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 254 transitions. [2022-04-18 16:29:00,172 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 84.66666666666667) internal successors, (254), 3 states have internal predecessors, (254), 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) [2022-04-18 16:29:00,173 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 117.0) internal successors, (468), 4 states have internal predecessors, (468), 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) [2022-04-18 16:29:00,174 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 117.0) internal successors, (468), 4 states have internal predecessors, (468), 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) [2022-04-18 16:29:00,174 INFO L186 Difference]: Start difference. First operand has 99 places, 89 transitions, 186 flow. Second operand 3 states and 254 transitions. [2022-04-18 16:29:00,174 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 97 transitions, 252 flow [2022-04-18 16:29:00,176 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 97 transitions, 251 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-04-18 16:29:00,176 INFO L242 Difference]: Finished difference. Result has 99 places, 0 transitions, 0 flow [2022-04-18 16:29:00,177 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=183, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=99, PETRI_TRANSITIONS=0} [2022-04-18 16:29:00,178 INFO L335 CegarLoopForPetriNet]: 122 programPoint places, -23 predicate places. [2022-04-18 16:29:00,178 INFO L478 AbstractCegarLoop]: Abstraction has has 99 places, 0 transitions, 0 flow [2022-04-18 16:29:00,179 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 78.33333333333333) internal successors, (235), 3 states have internal predecessors, (235), 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) [2022-04-18 16:29:00,182 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONDATA_RACE (39 of 40 remaining) [2022-04-18 16:29:00,182 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONDATA_RACE (38 of 40 remaining) [2022-04-18 16:29:00,182 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P0Err2ASSERT_VIOLATIONDATA_RACE (37 of 40 remaining) [2022-04-18 16:29:00,183 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P0Err3ASSERT_VIOLATIONDATA_RACE (36 of 40 remaining) [2022-04-18 16:29:00,183 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P0Err4ASSERT_VIOLATIONDATA_RACE (35 of 40 remaining) [2022-04-18 16:29:00,183 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONDATA_RACE (34 of 40 remaining) [2022-04-18 16:29:00,183 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONDATA_RACE (33 of 40 remaining) [2022-04-18 16:29:00,184 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P1Err2ASSERT_VIOLATIONDATA_RACE (32 of 40 remaining) [2022-04-18 16:29:00,184 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P1Err3ASSERT_VIOLATIONDATA_RACE (31 of 40 remaining) [2022-04-18 16:29:00,187 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P1Err4ASSERT_VIOLATIONDATA_RACE (30 of 40 remaining) [2022-04-18 16:29:00,187 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONDATA_RACE (29 of 40 remaining) [2022-04-18 16:29:00,187 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONDATA_RACE (28 of 40 remaining) [2022-04-18 16:29:00,188 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P2Err2ASSERT_VIOLATIONDATA_RACE (27 of 40 remaining) [2022-04-18 16:29:00,188 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P2Err3ASSERT_VIOLATIONDATA_RACE (26 of 40 remaining) [2022-04-18 16:29:00,188 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (25 of 40 remaining) [2022-04-18 16:29:00,188 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (24 of 40 remaining) [2022-04-18 16:29:00,188 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (23 of 40 remaining) [2022-04-18 16:29:00,189 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (22 of 40 remaining) [2022-04-18 16:29:00,189 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (21 of 40 remaining) [2022-04-18 16:29:00,190 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (20 of 40 remaining) [2022-04-18 16:29:00,190 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (19 of 40 remaining) [2022-04-18 16:29:00,190 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (18 of 40 remaining) [2022-04-18 16:29:00,190 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (17 of 40 remaining) [2022-04-18 16:29:00,191 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 40 remaining) [2022-04-18 16:29:00,191 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (15 of 40 remaining) [2022-04-18 16:29:00,191 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (14 of 40 remaining) [2022-04-18 16:29:00,191 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONDATA_RACE (13 of 40 remaining) [2022-04-18 16:29:00,192 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONDATA_RACE (12 of 40 remaining) [2022-04-18 16:29:00,192 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P0Err2ASSERT_VIOLATIONDATA_RACE (11 of 40 remaining) [2022-04-18 16:29:00,192 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P0Err3ASSERT_VIOLATIONDATA_RACE (10 of 40 remaining) [2022-04-18 16:29:00,192 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P0Err4ASSERT_VIOLATIONDATA_RACE (9 of 40 remaining) [2022-04-18 16:29:00,192 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONDATA_RACE (8 of 40 remaining) [2022-04-18 16:29:00,193 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONDATA_RACE (7 of 40 remaining) [2022-04-18 16:29:00,193 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P1Err2ASSERT_VIOLATIONDATA_RACE (6 of 40 remaining) [2022-04-18 16:29:00,193 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P1Err3ASSERT_VIOLATIONDATA_RACE (5 of 40 remaining) [2022-04-18 16:29:00,193 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P1Err4ASSERT_VIOLATIONDATA_RACE (4 of 40 remaining) [2022-04-18 16:29:00,193 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONDATA_RACE (3 of 40 remaining) [2022-04-18 16:29:00,193 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONDATA_RACE (2 of 40 remaining) [2022-04-18 16:29:00,194 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P2Err2ASSERT_VIOLATIONDATA_RACE (1 of 40 remaining) [2022-04-18 16:29:00,196 INFO L788 garLoopResultBuilder]: Registering result SAFE for location P2Err3ASSERT_VIOLATIONDATA_RACE (0 of 40 remaining) [2022-04-18 16:29:00,196 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-04-18 16:29:00,201 INFO L719 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-04-18 16:29:00,205 INFO L227 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-04-18 16:29:00,205 INFO L177 ceAbstractionStarter]: Computing trace abstraction results [2022-04-18 16:29:00,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.04 04:29:00 BasicIcfg [2022-04-18 16:29:00,209 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-04-18 16:29:00,212 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-04-18 16:29:00,212 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-04-18 16:29:00,215 INFO L275 PluginConnector]: Witness Printer initialized [2022-04-18 16:29:00,216 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 04:28:58" (3/4) ... [2022-04-18 16:29:00,217 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-04-18 16:29:00,220 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2022-04-18 16:29:00,221 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2022-04-18 16:29:00,221 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2022-04-18 16:29:00,229 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 88 nodes and edges [2022-04-18 16:29:00,230 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 30 nodes and edges [2022-04-18 16:29:00,230 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-04-18 16:29:00,230 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-04-18 16:29:00,267 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-04-18 16:29:00,267 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-04-18 16:29:00,268 INFO L158 Benchmark]: Toolchain (without parser) took 2158.02ms. Allocated memory was 98.6MB in the beginning and 178.3MB in the end (delta: 79.7MB). Free memory was 62.7MB in the beginning and 102.1MB in the end (delta: -39.5MB). Peak memory consumption was 38.6MB. Max. memory is 16.1GB. [2022-04-18 16:29:00,268 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 98.6MB. Free memory was 72.1MB in the beginning and 72.1MB in the end (delta: 21.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-04-18 16:29:00,268 INFO L158 Benchmark]: CACSL2BoogieTranslator took 351.80ms. Allocated memory is still 98.6MB. Free memory was 62.5MB in the beginning and 63.3MB in the end (delta: -851.1kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-04-18 16:29:00,269 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.01ms. Allocated memory is still 98.6MB. Free memory was 63.3MB in the beginning and 61.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-04-18 16:29:00,269 INFO L158 Benchmark]: Boogie Preprocessor took 41.14ms. Allocated memory is still 98.6MB. Free memory was 61.2MB in the beginning and 59.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-04-18 16:29:00,269 INFO L158 Benchmark]: RCFGBuilder took 400.72ms. Allocated memory is still 98.6MB. Free memory was 59.8MB in the beginning and 72.5MB in the end (delta: -12.6MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. [2022-04-18 16:29:00,270 INFO L158 Benchmark]: TraceAbstraction took 1260.15ms. Allocated memory was 98.6MB in the beginning and 178.3MB in the end (delta: 79.7MB). Free memory was 71.9MB in the beginning and 106.3MB in the end (delta: -34.4MB). Peak memory consumption was 75.2MB. Max. memory is 16.1GB. [2022-04-18 16:29:00,270 INFO L158 Benchmark]: Witness Printer took 55.58ms. Allocated memory is still 178.3MB. Free memory was 106.3MB in the beginning and 102.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-04-18 16:29:00,272 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 98.6MB. Free memory was 72.1MB in the beginning and 72.1MB in the end (delta: 21.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 351.80ms. Allocated memory is still 98.6MB. Free memory was 62.5MB in the beginning and 63.3MB in the end (delta: -851.1kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.01ms. Allocated memory is still 98.6MB. Free memory was 63.3MB in the beginning and 61.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.14ms. Allocated memory is still 98.6MB. Free memory was 61.2MB in the beginning and 59.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 400.72ms. Allocated memory is still 98.6MB. Free memory was 59.8MB in the beginning and 72.5MB in the end (delta: -12.6MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1260.15ms. Allocated memory was 98.6MB in the beginning and 178.3MB in the end (delta: 79.7MB). Free memory was 71.9MB in the beginning and 106.3MB in the end (delta: -34.4MB). Peak memory consumption was 75.2MB. Max. memory is 16.1GB. * Witness Printer took 55.58ms. Allocated memory is still 178.3MB. Free memory was 106.3MB in the beginning and 102.1MB 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: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 723]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 728]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 728]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 733]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 733]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 740]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 745]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 745]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 750]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 750]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 757]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 760]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 765]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 765]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 787]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 787]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 789]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 793]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 793]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 793]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 793]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 793]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 795]: 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, 154 locations, 40 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: 1.2s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 21 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 21 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 25 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 89 IncrementalHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 2 mSDtfsCounter, 89 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=237occurred in iteration=0, InterpolantAutomatonStates: 8, 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, 0.2s InterpolantComputationTime, 121 NumberOfCodeBlocks, 121 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 118 ConstructedInterpolants, 0 QuantifiedInterpolants, 122 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 23 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-04-18 16:29:00,306 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