./Ultimate.py --spec /storage/repos/ultimate/trunk/examples/svcomp/properties/no-data-race.prp --file /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix040_power.oepc_pso.oepc_rmo.oepc.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/mix040_power.oepc_pso.oepc_rmo.oepc.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 a72b3b3683b5d2b2d35965fc1a3189152678e29fe154c9fbeb2d06d1447980e3 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-efd9311-m [2022-04-18 16:10:45,967 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-18 16:10:45,969 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-18 16:10:45,991 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-18 16:10:45,991 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-18 16:10:45,992 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-18 16:10:45,993 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-18 16:10:45,995 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-18 16:10:45,996 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-18 16:10:45,998 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-18 16:10:45,999 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-18 16:10:46,001 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-18 16:10:46,001 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-18 16:10:46,007 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-18 16:10:46,008 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-18 16:10:46,009 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-18 16:10:46,010 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-18 16:10:46,011 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-18 16:10:46,012 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-18 16:10:46,013 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-18 16:10:46,014 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-18 16:10:46,014 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-18 16:10:46,015 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-18 16:10:46,015 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-18 16:10:46,016 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-18 16:10:46,018 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-18 16:10:46,018 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-18 16:10:46,018 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-18 16:10:46,019 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-18 16:10:46,019 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-18 16:10:46,019 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-18 16:10:46,020 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-18 16:10:46,020 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-18 16:10:46,020 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-18 16:10:46,021 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-18 16:10:46,022 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-18 16:10:46,022 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-18 16:10:46,022 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-18 16:10:46,022 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-18 16:10:46,023 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-18 16:10:46,023 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-18 16:10:46,024 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-18 16:10:46,025 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-04-18 16:10:46,049 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-18 16:10:46,051 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-18 16:10:46,051 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-04-18 16:10:46,052 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-04-18 16:10:46,052 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-18 16:10:46,052 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-18 16:10:46,053 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-04-18 16:10:46,053 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-04-18 16:10:46,053 INFO L138 SettingsManager]: * Use SBE=true [2022-04-18 16:10:46,054 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-18 16:10:46,054 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-18 16:10:46,054 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-04-18 16:10:46,054 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-18 16:10:46,054 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-18 16:10:46,054 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-18 16:10:46,054 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-18 16:10:46,055 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-18 16:10:46,055 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-18 16:10:46,055 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-04-18 16:10:46,056 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-18 16:10:46,056 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-18 16:10:46,056 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-18 16:10:46,056 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-18 16:10:46,057 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-18 16:10:46,057 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-18 16:10:46,057 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-18 16:10:46,057 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 16:10:46,057 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-18 16:10:46,057 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-18 16:10:46,058 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-18 16:10:46,058 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-18 16:10:46,058 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-18 16:10:46,058 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-04-18 16:10:46,058 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-04-18 16:10:46,058 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-18 16:10:46,058 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a72b3b3683b5d2b2d35965fc1a3189152678e29fe154c9fbeb2d06d1447980e3 [2022-04-18 16:10:46,231 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-18 16:10:46,248 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-18 16:10:46,250 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-18 16:10:46,250 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-18 16:10:46,251 INFO L275 PluginConnector]: CDTParser initialized [2022-04-18 16:10:46,251 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix040_power.oepc_pso.oepc_rmo.oepc.i [2022-04-18 16:10:46,297 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55f225c54/1789d92b93ce41d19f7622b6eed8bf27/FLAG255c53cc8 [2022-04-18 16:10:46,672 INFO L306 CDTParser]: Found 1 translation units. [2022-04-18 16:10:46,673 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix040_power.oepc_pso.oepc_rmo.oepc.i [2022-04-18 16:10:46,691 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55f225c54/1789d92b93ce41d19f7622b6eed8bf27/FLAG255c53cc8 [2022-04-18 16:10:47,059 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55f225c54/1789d92b93ce41d19f7622b6eed8bf27 [2022-04-18 16:10:47,062 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-18 16:10:47,063 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-04-18 16:10:47,065 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-18 16:10:47,065 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-18 16:10:47,068 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-18 16:10:47,068 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 04:10:47" (1/1) ... [2022-04-18 16:10:47,069 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5adb316e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:10:47, skipping insertion in model container [2022-04-18 16:10:47,070 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 04:10:47" (1/1) ... [2022-04-18 16:10:47,077 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-18 16:10:47,110 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-18 16:10:47,229 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/mix040_power.oepc_pso.oepc_rmo.oepc.i[969,982] [2022-04-18 16:10:47,382 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 16:10:47,387 INFO L203 MainTranslator]: Completed pre-run [2022-04-18 16:10:47,399 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/mix040_power.oepc_pso.oepc_rmo.oepc.i[969,982] [2022-04-18 16:10:47,445 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 16:10:47,476 INFO L208 MainTranslator]: Completed translation [2022-04-18 16:10:47,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:10:47 WrapperNode [2022-04-18 16:10:47,477 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-18 16:10:47,477 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-04-18 16:10:47,477 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-04-18 16:10:47,478 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-04-18 16:10:47,482 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:10:47" (1/1) ... [2022-04-18 16:10:47,496 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:10:47" (1/1) ... [2022-04-18 16:10:47,519 INFO L137 Inliner]: procedures = 177, calls = 71, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 517 [2022-04-18 16:10:47,523 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-04-18 16:10:47,524 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-18 16:10:47,524 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-18 16:10:47,524 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-18 16:10:47,535 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:10:47" (1/1) ... [2022-04-18 16:10:47,535 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:10:47" (1/1) ... [2022-04-18 16:10:47,539 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:10:47" (1/1) ... [2022-04-18 16:10:47,540 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:10:47" (1/1) ... [2022-04-18 16:10:47,553 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:10:47" (1/1) ... [2022-04-18 16:10:47,558 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:10:47" (1/1) ... [2022-04-18 16:10:47,561 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:10:47" (1/1) ... [2022-04-18 16:10:47,566 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-18 16:10:47,567 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-18 16:10:47,567 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-18 16:10:47,567 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-18 16:10:47,568 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:10:47" (1/1) ... [2022-04-18 16:10:47,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 16:10:47,604 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-18 16:10:47,624 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 16:10:47,650 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 16:10:47,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-18 16:10:47,662 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-04-18 16:10:47,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-18 16:10:47,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-04-18 16:10:47,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-18 16:10:47,664 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-04-18 16:10:47,664 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-04-18 16:10:47,664 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-04-18 16:10:47,664 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-04-18 16:10:47,664 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-04-18 16:10:47,664 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-04-18 16:10:47,664 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2022-04-18 16:10:47,665 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2022-04-18 16:10:47,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-18 16:10:47,665 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-04-18 16:10:47,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-18 16:10:47,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-18 16:10:47,667 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 16:10:47,823 INFO L234 CfgBuilder]: Building ICFG [2022-04-18 16:10:47,824 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-18 16:10:48,710 INFO L275 CfgBuilder]: Performing block encoding [2022-04-18 16:11:30,142 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-18 16:11:30,142 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-04-18 16:11:30,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 04:11:30 BoogieIcfgContainer [2022-04-18 16:11:30,144 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-18 16:11:30,145 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-18 16:11:30,145 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-18 16:11:30,148 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-18 16:11:30,148 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 04:10:47" (1/3) ... [2022-04-18 16:11:30,148 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d2d1fd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 04:11:30, skipping insertion in model container [2022-04-18 16:11:30,148 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:10:47" (2/3) ... [2022-04-18 16:11:30,148 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d2d1fd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 04:11:30, skipping insertion in model container [2022-04-18 16:11:30,149 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 04:11:30" (3/3) ... [2022-04-18 16:11:30,149 INFO L111 eAbstractionObserver]: Analyzing ICFG mix040_power.oepc_pso.oepc_rmo.oepc.i [2022-04-18 16:11:30,152 WARN L147 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-04-18 16:11:30,152 INFO L202 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-04-18 16:11:30,153 INFO L161 ceAbstractionStarter]: Applying trace abstraction to program that has 283 error locations. [2022-04-18 16:11:30,153 INFO L504 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-04-18 16:11:36,694 INFO L135 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-04-18 16:11:36,747 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-18 16:11:36,751 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 16:11:36,752 INFO L341 AbstractCegarLoop]: Starting to check reachability of 532 error locations. [2022-04-18 16:11:36,763 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 435 places, 424 transitions, 868 flow [2022-04-18 16:11:37,250 INFO L129 PetriNetUnfolder]: 2/420 cut-off events. [2022-04-18 16:11:37,251 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-04-18 16:11:37,260 INFO L84 FinitePrefix]: Finished finitePrefix Result has 433 conditions, 420 events. 2/420 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 2382 event pairs, 0 based on Foata normal form. 0/135 useless extension candidates. Maximal degree in co-relation 378. Up to 2 conditions per place. [2022-04-18 16:11:37,260 INFO L82 GeneralOperation]: Start removeDead. Operand has 435 places, 424 transitions, 868 flow [2022-04-18 16:11:37,282 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 431 places, 420 transitions, 852 flow [2022-04-18 16:11:37,290 INFO L129 PetriNetUnfolder]: 0/50 cut-off events. [2022-04-18 16:11:37,291 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-04-18 16:11:37,291 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:11:37,292 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] [2022-04-18 16:11:37,292 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err9ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 528 more)] === [2022-04-18 16:11:37,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:11:37,298 INFO L85 PathProgramCache]: Analyzing trace with hash -1726026659, now seen corresponding path program 1 times [2022-04-18 16:11:37,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:11:37,305 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140771866] [2022-04-18 16:11:37,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:11:37,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:11:37,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:11:37,660 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 16:11:37,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:11:37,661 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140771866] [2022-04-18 16:11:37,662 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1140771866] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:11:37,662 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:11:37,662 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-04-18 16:11:37,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24474655] [2022-04-18 16:11:37,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:11:37,668 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-04-18 16:11:37,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:11:37,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-04-18 16:11:37,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-04-18 16:11:37,690 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 424 [2022-04-18 16:11:37,694 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 431 places, 420 transitions, 852 flow. Second operand has 2 states, 2 states have (on average 116.0) internal successors, (232), 2 states have internal predecessors, (232), 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 16:11:37,694 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:11:37,694 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 424 [2022-04-18 16:11:37,695 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:11:48,307 INFO L129 PetriNetUnfolder]: 10870/34944 cut-off events. [2022-04-18 16:11:48,307 INFO L130 PetriNetUnfolder]: For 156/156 co-relation queries the response was YES. [2022-04-18 16:11:48,385 INFO L84 FinitePrefix]: Finished finitePrefix Result has 49787 conditions, 34944 events. 10870/34944 cut-off events. For 156/156 co-relation queries the response was YES. Maximal size of possible extension queue 1082. Compared 463329 event pairs, 10870 based on Foata normal form. 1656/34656 useless extension candidates. Maximal degree in co-relation 49730. Up to 14526 conditions per place. [2022-04-18 16:11:48,499 INFO L132 encePairwiseOnDemand]: 141/424 looper letters, 25 selfloop transitions, 0 changer transitions 0/136 dead transitions. [2022-04-18 16:11:48,500 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 136 transitions, 334 flow [2022-04-18 16:11:48,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:11:48,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-04-18 16:11:48,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 538 transitions. [2022-04-18 16:11:48,519 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.6344339622641509 [2022-04-18 16:11:48,519 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 538 transitions. [2022-04-18 16:11:48,520 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 538 transitions. [2022-04-18 16:11:48,522 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:11:48,523 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 538 transitions. [2022-04-18 16:11:48,528 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 269.0) internal successors, (538), 2 states have internal predecessors, (538), 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 16:11:48,533 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 424.0) internal successors, (1272), 3 states have internal predecessors, (1272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:11:48,533 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 424.0) internal successors, (1272), 3 states have internal predecessors, (1272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:11:48,535 INFO L186 Difference]: Start difference. First operand has 431 places, 420 transitions, 852 flow. Second operand 2 states and 538 transitions. [2022-04-18 16:11:48,536 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 150 places, 136 transitions, 334 flow [2022-04-18 16:11:48,538 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 146 places, 136 transitions, 330 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-04-18 16:11:48,541 INFO L242 Difference]: Finished difference. Result has 146 places, 136 transitions, 280 flow [2022-04-18 16:11:48,542 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=424, PETRI_DIFFERENCE_MINUEND_FLOW=280, PETRI_DIFFERENCE_MINUEND_PLACES=145, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=136, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=136, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=280, PETRI_PLACES=146, PETRI_TRANSITIONS=136} [2022-04-18 16:11:48,545 INFO L335 CegarLoopForPetriNet]: 431 programPoint places, -285 predicate places. [2022-04-18 16:11:48,545 INFO L478 AbstractCegarLoop]: Abstraction has has 146 places, 136 transitions, 280 flow [2022-04-18 16:11:48,546 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 116.0) internal successors, (232), 2 states have internal predecessors, (232), 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 16:11:48,546 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:11:48,546 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, 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 16:11:48,547 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-18 16:11:48,547 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 528 more)] === [2022-04-18 16:11:48,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:11:48,547 INFO L85 PathProgramCache]: Analyzing trace with hash 256815572, now seen corresponding path program 1 times [2022-04-18 16:11:48,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:11:48,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261010680] [2022-04-18 16:11:48,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:11:48,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:11:48,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:11:48,789 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 16:11:48,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:11:48,790 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261010680] [2022-04-18 16:11:48,790 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261010680] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:11:48,790 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:11:48,790 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:11:48,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89743941] [2022-04-18 16:11:48,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:11:48,792 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:11:48,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:11:48,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:11:48,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:11:48,796 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 424 [2022-04-18 16:11:48,797 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 136 transitions, 280 flow. Second operand has 3 states, 3 states have (on average 114.33333333333333) internal successors, (343), 3 states have internal predecessors, (343), 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 16:11:48,797 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:11:48,797 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 424 [2022-04-18 16:11:48,797 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:12:02,273 INFO L129 PetriNetUnfolder]: 16570/48197 cut-off events. [2022-04-18 16:12:02,273 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-04-18 16:12:02,402 INFO L84 FinitePrefix]: Finished finitePrefix Result has 70487 conditions, 48197 events. 16570/48197 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1165. Compared 614914 event pairs, 5170 based on Foata normal form. 0/45519 useless extension candidates. Maximal degree in co-relation 70484. Up to 14900 conditions per place. [2022-04-18 16:12:02,530 INFO L132 encePairwiseOnDemand]: 422/424 looper letters, 44 selfloop transitions, 1 changer transitions 0/153 dead transitions. [2022-04-18 16:12:02,530 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 153 transitions, 404 flow [2022-04-18 16:12:02,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 16:12:02,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-04-18 16:12:02,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 382 transitions. [2022-04-18 16:12:02,533 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.300314465408805 [2022-04-18 16:12:02,533 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 382 transitions. [2022-04-18 16:12:02,533 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 382 transitions. [2022-04-18 16:12:02,533 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:12:02,533 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 382 transitions. [2022-04-18 16:12:02,534 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 127.33333333333333) internal successors, (382), 3 states have internal predecessors, (382), 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 16:12:02,536 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 424.0) internal successors, (1696), 4 states have internal predecessors, (1696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:12:02,537 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 424.0) internal successors, (1696), 4 states have internal predecessors, (1696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:12:02,537 INFO L186 Difference]: Start difference. First operand has 146 places, 136 transitions, 280 flow. Second operand 3 states and 382 transitions. [2022-04-18 16:12:02,538 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 147 places, 153 transitions, 404 flow [2022-04-18 16:12:02,539 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 147 places, 153 transitions, 404 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-04-18 16:12:02,543 INFO L242 Difference]: Finished difference. Result has 147 places, 135 transitions, 280 flow [2022-04-18 16:12:02,543 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=424, PETRI_DIFFERENCE_MINUEND_FLOW=278, PETRI_DIFFERENCE_MINUEND_PLACES=145, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=135, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=134, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=280, PETRI_PLACES=147, PETRI_TRANSITIONS=135} [2022-04-18 16:12:02,544 INFO L335 CegarLoopForPetriNet]: 431 programPoint places, -284 predicate places. [2022-04-18 16:12:02,545 INFO L478 AbstractCegarLoop]: Abstraction has has 147 places, 135 transitions, 280 flow [2022-04-18 16:12:02,545 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 114.33333333333333) internal successors, (343), 3 states have internal predecessors, (343), 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 16:12:02,545 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:12:02,545 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, 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 16:12:02,545 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-04-18 16:12:02,546 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 528 more)] === [2022-04-18 16:12:02,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:12:02,546 INFO L85 PathProgramCache]: Analyzing trace with hash 1092154274, now seen corresponding path program 1 times [2022-04-18 16:12:02,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:12:02,546 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827222287] [2022-04-18 16:12:02,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:12:02,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:12:02,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:12:02,774 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 16:12:02,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:12:02,775 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827222287] [2022-04-18 16:12:02,775 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827222287] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:12:02,775 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:12:02,775 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:12:02,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967175271] [2022-04-18 16:12:02,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:12:02,776 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:12:02,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:12:02,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:12:02,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:12:02,778 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 424 [2022-04-18 16:12:02,778 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 147 places, 135 transitions, 280 flow. Second operand has 3 states, 3 states have (on average 115.0) internal successors, (345), 3 states have internal predecessors, (345), 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 16:12:02,778 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:12:02,778 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 424 [2022-04-18 16:12:02,778 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand