./Ultimate.py --spec /storage/repos/ultimate/trunk/examples/svcomp/properties/no-data-race.prp --file /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix004.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/mix004.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 81dfcecae183e47a2274a923e55daf761c46d6146ab2c58970ae115599afe231 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-efd9311-m [2022-04-18 15:58:37,786 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-18 15:58:37,788 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-18 15:58:37,833 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-18 15:58:37,833 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-18 15:58:37,834 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-18 15:58:37,835 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-18 15:58:37,836 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-18 15:58:37,836 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-18 15:58:37,837 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-18 15:58:37,838 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-18 15:58:37,838 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-18 15:58:37,839 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-18 15:58:37,839 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-18 15:58:37,842 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-18 15:58:37,858 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-18 15:58:37,859 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-18 15:58:37,864 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-18 15:58:37,868 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-18 15:58:37,870 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-18 15:58:37,872 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-18 15:58:37,873 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-18 15:58:37,874 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-18 15:58:37,874 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-18 15:58:37,875 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-18 15:58:37,878 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-18 15:58:37,881 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-18 15:58:37,881 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-18 15:58:37,882 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-18 15:58:37,882 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-18 15:58:37,883 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-18 15:58:37,883 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-18 15:58:37,884 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-18 15:58:37,885 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-18 15:58:37,885 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-18 15:58:37,886 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-18 15:58:37,886 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-18 15:58:37,886 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-18 15:58:37,891 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-18 15:58:37,892 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-18 15:58:37,892 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-18 15:58:37,893 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-18 15:58:37,894 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-04-18 15:58:37,921 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-18 15:58:37,922 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-18 15:58:37,922 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-04-18 15:58:37,922 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-04-18 15:58:37,923 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-18 15:58:37,923 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-18 15:58:37,923 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-04-18 15:58:37,923 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-04-18 15:58:37,923 INFO L138 SettingsManager]: * Use SBE=true [2022-04-18 15:58:37,924 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-18 15:58:37,924 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-18 15:58:37,924 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-04-18 15:58:37,924 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-18 15:58:37,924 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-18 15:58:37,924 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-18 15:58:37,924 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-18 15:58:37,925 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-18 15:58:37,925 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-18 15:58:37,925 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-04-18 15:58:37,925 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-18 15:58:37,925 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-18 15:58:37,925 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-18 15:58:37,925 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-18 15:58:37,926 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-18 15:58:37,926 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-18 15:58:37,926 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-18 15:58:37,926 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 15:58:37,926 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-18 15:58:37,926 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-18 15:58:37,926 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-18 15:58:37,927 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-18 15:58:37,927 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-18 15:58:37,927 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-04-18 15:58:37,927 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-04-18 15:58:37,927 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-18 15:58:37,927 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 81dfcecae183e47a2274a923e55daf761c46d6146ab2c58970ae115599afe231 [2022-04-18 15:58:38,093 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-18 15:58:38,129 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-18 15:58:38,131 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-18 15:58:38,133 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-18 15:58:38,134 INFO L275 PluginConnector]: CDTParser initialized [2022-04-18 15:58:38,135 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix004.oepc.i [2022-04-18 15:58:38,209 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6365f9d7/38ce21b072454d46b71918bc249d30be/FLAGd32506837 [2022-04-18 15:58:38,570 INFO L306 CDTParser]: Found 1 translation units. [2022-04-18 15:58:38,570 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix004.oepc.i [2022-04-18 15:58:38,580 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6365f9d7/38ce21b072454d46b71918bc249d30be/FLAGd32506837 [2022-04-18 15:58:38,956 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6365f9d7/38ce21b072454d46b71918bc249d30be [2022-04-18 15:58:38,958 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-18 15:58:38,959 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-04-18 15:58:38,964 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-18 15:58:38,964 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-18 15:58:38,967 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-18 15:58:38,967 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 03:58:38" (1/1) ... [2022-04-18 15:58:38,969 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d2dca3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:58:38, skipping insertion in model container [2022-04-18 15:58:38,969 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 03:58:38" (1/1) ... [2022-04-18 15:58:38,973 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-18 15:58:39,007 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-18 15:58:39,212 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/mix004.oepc.i[945,958] [2022-04-18 15:58:39,503 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 15:58:39,513 INFO L203 MainTranslator]: Completed pre-run [2022-04-18 15:58:39,539 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/mix004.oepc.i[945,958] [2022-04-18 15:58:39,608 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 15:58:39,637 INFO L208 MainTranslator]: Completed translation [2022-04-18 15:58:39,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:58:39 WrapperNode [2022-04-18 15:58:39,638 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-18 15:58:39,639 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-04-18 15:58:39,639 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-04-18 15:58:39,639 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-04-18 15:58:39,644 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:58:39" (1/1) ... [2022-04-18 15:58:39,677 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:58:39" (1/1) ... [2022-04-18 15:58:39,713 INFO L137 Inliner]: procedures = 177, calls = 71, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 527 [2022-04-18 15:58:39,716 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-04-18 15:58:39,717 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-18 15:58:39,717 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-18 15:58:39,717 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-18 15:58:39,724 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:58:39" (1/1) ... [2022-04-18 15:58:39,724 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:58:39" (1/1) ... [2022-04-18 15:58:39,731 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:58:39" (1/1) ... [2022-04-18 15:58:39,731 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:58:39" (1/1) ... [2022-04-18 15:58:39,759 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:58:39" (1/1) ... [2022-04-18 15:58:39,764 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:58:39" (1/1) ... [2022-04-18 15:58:39,774 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:58:39" (1/1) ... [2022-04-18 15:58:39,782 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-18 15:58:39,787 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-18 15:58:39,788 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-18 15:58:39,788 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-18 15:58:39,789 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:58:39" (1/1) ... [2022-04-18 15:58:39,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 15:58:39,802 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-18 15:58:39,832 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 15:58:39,840 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 15:58:39,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-18 15:58:39,883 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-04-18 15:58:39,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-18 15:58:39,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-04-18 15:58:39,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-18 15:58:39,883 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-04-18 15:58:39,884 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-04-18 15:58:39,884 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-04-18 15:58:39,884 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-04-18 15:58:39,884 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-04-18 15:58:39,884 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-04-18 15:58:39,884 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2022-04-18 15:58:39,884 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2022-04-18 15:58:39,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-18 15:58:39,885 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-04-18 15:58:39,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-18 15:58:39,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-18 15:58:39,887 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 15:58:40,035 INFO L234 CfgBuilder]: Building ICFG [2022-04-18 15:58:40,037 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-18 15:58:40,950 INFO L275 CfgBuilder]: Performing block encoding [2022-04-18 15:58:57,406 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-18 15:58:57,406 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-04-18 15:58:57,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 03:58:57 BoogieIcfgContainer [2022-04-18 15:58:57,409 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-18 15:58:57,410 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-18 15:58:57,410 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-18 15:58:57,412 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-18 15:58:57,412 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 03:58:38" (1/3) ... [2022-04-18 15:58:57,413 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50f070b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 03:58:57, skipping insertion in model container [2022-04-18 15:58:57,413 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:58:39" (2/3) ... [2022-04-18 15:58:57,413 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50f070b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 03:58:57, skipping insertion in model container [2022-04-18 15:58:57,413 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 03:58:57" (3/3) ... [2022-04-18 15:58:57,414 INFO L111 eAbstractionObserver]: Analyzing ICFG mix004.oepc.i [2022-04-18 15:58:57,417 WARN L147 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-04-18 15:58:57,418 INFO L202 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-04-18 15:58:57,418 INFO L161 ceAbstractionStarter]: Applying trace abstraction to program that has 287 error locations. [2022-04-18 15:58:57,418 INFO L504 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-04-18 15:59:01,353 INFO L135 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-04-18 15:59:01,383 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-18 15:59:01,387 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 15:59:01,387 INFO L341 AbstractCegarLoop]: Starting to check reachability of 539 error locations. [2022-04-18 15:59:01,405 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 441 places, 430 transitions, 880 flow [2022-04-18 15:59:01,825 INFO L129 PetriNetUnfolder]: 2/426 cut-off events. [2022-04-18 15:59:01,825 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-04-18 15:59:01,836 INFO L84 FinitePrefix]: Finished finitePrefix Result has 439 conditions, 426 events. 2/426 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 2428 event pairs, 0 based on Foata normal form. 0/137 useless extension candidates. Maximal degree in co-relation 382. Up to 2 conditions per place. [2022-04-18 15:59:01,837 INFO L82 GeneralOperation]: Start removeDead. Operand has 441 places, 430 transitions, 880 flow [2022-04-18 15:59:01,861 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 437 places, 426 transitions, 864 flow [2022-04-18 15:59:01,867 INFO L129 PetriNetUnfolder]: 0/52 cut-off events. [2022-04-18 15:59:01,867 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-04-18 15:59:01,867 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 15:59:01,867 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 15:59:01,868 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err5ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 535 more)] === [2022-04-18 15:59:01,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 15:59:01,874 INFO L85 PathProgramCache]: Analyzing trace with hash -1053434641, now seen corresponding path program 1 times [2022-04-18 15:59:01,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 15:59:01,880 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199015978] [2022-04-18 15:59:01,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 15:59:01,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 15:59:02,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 15:59:02,148 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 15:59:02,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 15:59:02,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199015978] [2022-04-18 15:59:02,149 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199015978] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 15:59:02,150 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 15:59:02,150 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-04-18 15:59:02,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737706022] [2022-04-18 15:59:02,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 15:59:02,156 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-04-18 15:59:02,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 15:59:02,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-04-18 15:59:02,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-04-18 15:59:02,173 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 430 [2022-04-18 15:59:02,176 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 437 places, 426 transitions, 864 flow. Second operand has 2 states, 2 states have (on average 118.0) internal successors, (236), 2 states have internal predecessors, (236), 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 15:59:02,176 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 15:59:02,176 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 430 [2022-04-18 15:59:02,177 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 15:59:13,441 INFO L129 PetriNetUnfolder]: 11270/36171 cut-off events. [2022-04-18 15:59:13,442 INFO L130 PetriNetUnfolder]: For 181/181 co-relation queries the response was YES. [2022-04-18 15:59:13,544 INFO L84 FinitePrefix]: Finished finitePrefix Result has 51589 conditions, 36171 events. 11270/36171 cut-off events. For 181/181 co-relation queries the response was YES. Maximal size of possible extension queue 1120. Compared 480494 event pairs, 11270 based on Foata normal form. 1706/35879 useless extension candidates. Maximal degree in co-relation 51530. Up to 15051 conditions per place. [2022-04-18 15:59:13,678 INFO L132 encePairwiseOnDemand]: 143/430 looper letters, 25 selfloop transitions, 0 changer transitions 0/138 dead transitions. [2022-04-18 15:59:13,678 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 152 places, 138 transitions, 338 flow [2022-04-18 15:59:13,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 15:59:13,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-04-18 15:59:13,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 546 transitions. [2022-04-18 15:59:13,694 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.6348837209302326 [2022-04-18 15:59:13,695 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 546 transitions. [2022-04-18 15:59:13,696 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 546 transitions. [2022-04-18 15:59:13,698 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 15:59:13,700 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 546 transitions. [2022-04-18 15:59:13,703 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 273.0) internal successors, (546), 2 states have internal predecessors, (546), 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 15:59:13,707 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 430.0) internal successors, (1290), 3 states have internal predecessors, (1290), 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 15:59:13,708 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 430.0) internal successors, (1290), 3 states have internal predecessors, (1290), 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 15:59:13,709 INFO L186 Difference]: Start difference. First operand has 437 places, 426 transitions, 864 flow. Second operand 2 states and 546 transitions. [2022-04-18 15:59:13,710 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 152 places, 138 transitions, 338 flow [2022-04-18 15:59:13,713 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 148 places, 138 transitions, 334 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-04-18 15:59:13,715 INFO L242 Difference]: Finished difference. Result has 148 places, 138 transitions, 284 flow [2022-04-18 15:59:13,717 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=430, PETRI_DIFFERENCE_MINUEND_FLOW=284, PETRI_DIFFERENCE_MINUEND_PLACES=147, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=138, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=138, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=284, PETRI_PLACES=148, PETRI_TRANSITIONS=138} [2022-04-18 15:59:13,721 INFO L335 CegarLoopForPetriNet]: 437 programPoint places, -289 predicate places. [2022-04-18 15:59:13,721 INFO L478 AbstractCegarLoop]: Abstraction has has 148 places, 138 transitions, 284 flow [2022-04-18 15:59:13,721 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 118.0) internal successors, (236), 2 states have internal predecessors, (236), 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 15:59:13,721 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 15:59:13,722 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] [2022-04-18 15:59:13,722 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-18 15:59:13,722 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 535 more)] === [2022-04-18 15:59:13,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 15:59:13,723 INFO L85 PathProgramCache]: Analyzing trace with hash 1347179801, now seen corresponding path program 1 times [2022-04-18 15:59:13,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 15:59:13,723 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967159383] [2022-04-18 15:59:13,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 15:59:13,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 15:59:13,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 15:59:13,948 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 15:59:13,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 15:59:13,951 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967159383] [2022-04-18 15:59:13,951 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [967159383] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 15:59:13,951 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 15:59:13,952 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 15:59:13,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509221887] [2022-04-18 15:59:13,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 15:59:13,953 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 15:59:13,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 15:59:13,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 15:59:13,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 15:59:13,958 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 430 [2022-04-18 15:59:13,959 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 148 places, 138 transitions, 284 flow. Second operand has 3 states, 3 states have (on average 116.33333333333333) internal successors, (349), 3 states have internal predecessors, (349), 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 15:59:13,959 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 15:59:13,959 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 430 [2022-04-18 15:59:13,960 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand