./Ultimate.py --spec /storage/repos/ultimate/trunk/examples/svcomp/properties/no-data-race.prp --file /storage/repos/ultimate/trunk/examples/svcomp/pthread/sigma.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/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i /storage/repos/ultimate/trunk/examples/svcomp/pthread/sigma.i -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-DataRace-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UGemCutter-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 GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 236a73c15e935747b9f2e95e881c26c921eba2f2ad7a2b23cf05552665b9f683 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-efd9311-m [2022-04-18 18:09:48,033 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-18 18:09:48,035 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-18 18:09:48,078 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-18 18:09:48,078 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-18 18:09:48,079 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-18 18:09:48,080 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-18 18:09:48,081 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-18 18:09:48,082 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-18 18:09:48,086 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-18 18:09:48,087 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-18 18:09:48,089 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-18 18:09:48,089 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-18 18:09:48,091 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-18 18:09:48,091 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-18 18:09:48,094 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-18 18:09:48,095 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-18 18:09:48,096 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-18 18:09:48,097 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-18 18:09:48,100 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-18 18:09:48,101 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-18 18:09:48,102 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-18 18:09:48,102 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-18 18:09:48,103 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-18 18:09:48,104 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-18 18:09:48,107 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-18 18:09:48,108 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-18 18:09:48,108 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-18 18:09:48,109 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-18 18:09:48,109 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-18 18:09:48,110 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-18 18:09:48,110 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-18 18:09:48,112 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-18 18:09:48,112 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-18 18:09:48,112 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-18 18:09:48,113 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-18 18:09:48,113 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-18 18:09:48,114 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-18 18:09:48,114 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-18 18:09:48,114 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-18 18:09:48,115 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-18 18:09:48,116 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-18 18:09:48,117 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-DataRace-32bit-GemCutter_Default.epf [2022-04-18 18:09:48,140 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-18 18:09:48,140 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-18 18:09:48,141 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-04-18 18:09:48,141 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-04-18 18:09:48,141 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-18 18:09:48,141 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-18 18:09:48,142 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-04-18 18:09:48,142 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-04-18 18:09:48,142 INFO L138 SettingsManager]: * Use SBE=true [2022-04-18 18:09:48,143 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-18 18:09:48,143 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-18 18:09:48,143 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-04-18 18:09:48,143 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-18 18:09:48,143 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-18 18:09:48,144 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-18 18:09:48,144 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-18 18:09:48,144 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-18 18:09:48,144 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-18 18:09:48,144 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-04-18 18:09:48,145 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-18 18:09:48,145 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-18 18:09:48,145 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-18 18:09:48,145 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-18 18:09:48,146 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-18 18:09:48,146 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-18 18:09:48,146 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-04-18 18:09:48,146 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-18 18:09:48,146 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 18:09:48,146 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-18 18:09:48,147 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-18 18:09:48,147 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-18 18:09:48,147 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-18 18:09:48,147 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2022-04-18 18:09:48,147 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-18 18:09:48,147 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-04-18 18:09:48,147 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-04-18 18:09:48,148 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-18 18:09:48,148 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-04-18 18:09:48,148 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-04-18 18:09:48,148 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/UGemCutter-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 236a73c15e935747b9f2e95e881c26c921eba2f2ad7a2b23cf05552665b9f683 [2022-04-18 18:09:48,314 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-18 18:09:48,329 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-18 18:09:48,331 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-18 18:09:48,332 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-18 18:09:48,332 INFO L275 PluginConnector]: CDTParser initialized [2022-04-18 18:09:48,333 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/pthread/sigma.i [2022-04-18 18:09:48,377 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/dca2ad8d4/74479187d869441f97791ca2c9bc0cfa/FLAGb751f9948 [2022-04-18 18:09:48,824 INFO L306 CDTParser]: Found 1 translation units. [2022-04-18 18:09:48,824 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/sigma.i [2022-04-18 18:09:48,836 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/dca2ad8d4/74479187d869441f97791ca2c9bc0cfa/FLAGb751f9948 [2022-04-18 18:09:48,848 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/dca2ad8d4/74479187d869441f97791ca2c9bc0cfa [2022-04-18 18:09:48,849 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-18 18:09:48,851 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-04-18 18:09:48,853 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-18 18:09:48,853 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-18 18:09:48,856 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-18 18:09:48,856 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 06:09:48" (1/1) ... [2022-04-18 18:09:48,857 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e633ad7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:09:48, skipping insertion in model container [2022-04-18 18:09:48,857 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 06:09:48" (1/1) ... [2022-04-18 18:09:48,863 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-18 18:09:48,911 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-18 18:09:49,254 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/sigma.i[55285,55298] [2022-04-18 18:09:49,279 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 18:09:49,284 INFO L203 MainTranslator]: Completed pre-run [2022-04-18 18:09:49,310 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/sigma.i[55285,55298] [2022-04-18 18:09:49,316 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 18:09:49,366 INFO L208 MainTranslator]: Completed translation [2022-04-18 18:09:49,367 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:09:49 WrapperNode [2022-04-18 18:09:49,367 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-18 18:09:49,368 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-04-18 18:09:49,368 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-04-18 18:09:49,368 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-04-18 18:09:49,373 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:09:49" (1/1) ... [2022-04-18 18:09:49,405 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:09:49" (1/1) ... [2022-04-18 18:09:49,426 INFO L137 Inliner]: procedures = 323, calls = 23, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 146 [2022-04-18 18:09:49,427 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-04-18 18:09:49,427 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-18 18:09:49,427 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-18 18:09:49,427 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-18 18:09:49,433 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:09:49" (1/1) ... [2022-04-18 18:09:49,433 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:09:49" (1/1) ... [2022-04-18 18:09:49,436 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:09:49" (1/1) ... [2022-04-18 18:09:49,436 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:09:49" (1/1) ... [2022-04-18 18:09:49,443 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:09:49" (1/1) ... [2022-04-18 18:09:49,449 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:09:49" (1/1) ... [2022-04-18 18:09:49,451 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:09:49" (1/1) ... [2022-04-18 18:09:49,453 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-18 18:09:49,454 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-18 18:09:49,454 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-18 18:09:49,454 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-18 18:09:49,463 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:09:49" (1/1) ... [2022-04-18 18:09:49,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 18:09:49,474 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2022-04-18 18:09:49,483 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-04-18 18:09:49,484 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-04-18 18:09:49,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-04-18 18:09:49,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-04-18 18:09:49,530 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-18 18:09:49,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-18 18:09:49,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-18 18:09:49,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-04-18 18:09:49,531 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-18 18:09:49,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-04-18 18:09:49,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-18 18:09:49,531 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2022-04-18 18:09:49,531 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2022-04-18 18:09:49,531 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-18 18:09:49,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-18 18:09:49,532 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 18:09:49,650 INFO L234 CfgBuilder]: Building ICFG [2022-04-18 18:09:49,652 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-18 18:09:49,918 INFO L275 CfgBuilder]: Performing block encoding [2022-04-18 18:09:49,927 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-18 18:09:49,927 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-04-18 18:09:49,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 06:09:49 BoogieIcfgContainer [2022-04-18 18:09:49,929 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-18 18:09:49,930 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-18 18:09:49,930 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-18 18:09:49,937 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-18 18:09:49,937 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 06:09:48" (1/3) ... [2022-04-18 18:09:49,938 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40032c88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 06:09:49, skipping insertion in model container [2022-04-18 18:09:49,938 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:09:49" (2/3) ... [2022-04-18 18:09:49,938 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40032c88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 06:09:49, skipping insertion in model container [2022-04-18 18:09:49,938 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 06:09:49" (3/3) ... [2022-04-18 18:09:49,940 INFO L111 eAbstractionObserver]: Analyzing ICFG sigma.i [2022-04-18 18:09:49,945 WARN L147 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-04-18 18:09:49,945 INFO L202 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-04-18 18:09:49,946 INFO L161 ceAbstractionStarter]: Applying trace abstraction to program that has 20 error locations. [2022-04-18 18:09:49,946 INFO L504 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-04-18 18:09:50,026 INFO L135 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-04-18 18:09:50,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-04-18 18:09:50,070 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2022-04-18 18:09:50,071 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-04-18 18:09:50,072 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-04-18 18:09:50,099 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == threadThread1of1ForFork0 ======== [2022-04-18 18:09:50,104 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=PARTIAL_ORDER_FA, 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 18:09:50,105 INFO L341 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-04-18 18:09:50,197 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [threadErr0ASSERT_VIOLATIONDATA_RACE, threadErr1ASSERT_VIOLATIONDATA_RACE, threadErr2ASSERT_VIOLATIONDATA_RACE] === [2022-04-18 18:09:50,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 18:09:50,202 INFO L85 PathProgramCache]: Analyzing trace with hash 1468561121, now seen corresponding path program 1 times [2022-04-18 18:09:50,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 18:09:50,208 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940356564] [2022-04-18 18:09:50,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 18:09:50,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 18:09:50,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 18:09:50,426 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 18:09:50,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 18:09:50,428 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940356564] [2022-04-18 18:09:50,428 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940356564] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 18:09:50,428 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 18:09:50,429 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 18:09:50,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090686806] [2022-04-18 18:09:50,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 18:09:50,435 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-04-18 18:09:50,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 18:09:50,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-04-18 18:09:50,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-04-18 18:09:50,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 18:09:50,455 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 18:09:50,456 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 45.0) internal successors, (90), 2 states have internal predecessors, (90), 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 18:09:50,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 18:09:50,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 18:09:50,483 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-18 18:09:50,483 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [threadErr0ASSERT_VIOLATIONDATA_RACE, threadErr1ASSERT_VIOLATIONDATA_RACE, threadErr2ASSERT_VIOLATIONDATA_RACE] === [2022-04-18 18:09:50,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 18:09:50,484 INFO L85 PathProgramCache]: Analyzing trace with hash -451634803, now seen corresponding path program 1 times [2022-04-18 18:09:50,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 18:09:50,485 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227931819] [2022-04-18 18:09:50,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 18:09:50,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 18:09:50,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 18:09:50,617 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 18:09:50,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 18:09:50,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227931819] [2022-04-18 18:09:50,618 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227931819] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 18:09:50,618 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 18:09:50,618 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 18:09:50,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206077594] [2022-04-18 18:09:50,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 18:09:50,620 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 18:09:50,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 18:09:50,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 18:09:50,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 18:09:50,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 18:09:50,622 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 18:09:50,622 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 44.0) internal successors, (88), 3 states have internal predecessors, (88), 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 18:09:50,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 18:09:50,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 18:09:50,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 18:09:50,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 18:09:50,671 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-04-18 18:09:50,671 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting threadErr1ASSERT_VIOLATIONDATA_RACE === [threadErr0ASSERT_VIOLATIONDATA_RACE, threadErr1ASSERT_VIOLATIONDATA_RACE, threadErr2ASSERT_VIOLATIONDATA_RACE] === [2022-04-18 18:09:50,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 18:09:50,672 INFO L85 PathProgramCache]: Analyzing trace with hash -1348098350, now seen corresponding path program 1 times [2022-04-18 18:09:50,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 18:09:50,672 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220590443] [2022-04-18 18:09:50,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 18:09:50,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 18:09:50,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 18:09:50,731 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 18:09:50,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 18:09:50,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220590443] [2022-04-18 18:09:50,732 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220590443] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 18:09:50,732 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 18:09:50,732 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 18:09:50,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129291755] [2022-04-18 18:09:50,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 18:09:50,733 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 18:09:50,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 18:09:50,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 18:09:50,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 18:09:50,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 18:09:50,734 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 18:09:50,734 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 46.0) internal successors, (92), 3 states have internal predecessors, (92), 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 18:09:50,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 18:09:50,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 18:09:50,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 18:09:50,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 18:09:50,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 18:09:50,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 18:09:50,789 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-04-18 18:09:50,789 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting threadErr2ASSERT_VIOLATIONDATA_RACE === [threadErr0ASSERT_VIOLATIONDATA_RACE, threadErr1ASSERT_VIOLATIONDATA_RACE, threadErr2ASSERT_VIOLATIONDATA_RACE] === [2022-04-18 18:09:50,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 18:09:50,790 INFO L85 PathProgramCache]: Analyzing trace with hash 1973245831, now seen corresponding path program 1 times [2022-04-18 18:09:50,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 18:09:50,791 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705852800] [2022-04-18 18:09:50,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 18:09:50,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 18:09:50,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 18:09:50,861 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-04-18 18:09:50,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 18:09:50,862 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705852800] [2022-04-18 18:09:50,862 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [705852800] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 18:09:50,862 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 18:09:50,863 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-18 18:09:50,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268184225] [2022-04-18 18:09:50,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 18:09:50,863 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 18:09:50,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 18:09:50,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 18:09:50,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 18:09:50,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 18:09:50,864 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 18:09:50,865 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 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 18:09:50,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 18:09:50,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 18:09:50,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 18:09:50,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 18:09:50,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 18:09:50,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 18:09:50,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 18:09:50,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 18:09:50,899 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-04-18 18:09:50,900 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting threadErr2ASSERT_VIOLATIONDATA_RACE === [threadErr0ASSERT_VIOLATIONDATA_RACE, threadErr1ASSERT_VIOLATIONDATA_RACE, threadErr2ASSERT_VIOLATIONDATA_RACE] === [2022-04-18 18:09:50,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 18:09:50,900 INFO L85 PathProgramCache]: Analyzing trace with hash -1029009868, now seen corresponding path program 1 times [2022-04-18 18:09:50,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 18:09:50,901 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972173493] [2022-04-18 18:09:50,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 18:09:50,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 18:09:50,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 18:09:51,025 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 18:09:51,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 18:09:51,025 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972173493] [2022-04-18 18:09:51,025 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [972173493] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-18 18:09:51,026 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [546717459] [2022-04-18 18:09:51,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 18:09:51,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-18 18:09:51,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2022-04-18 18:09:51,031 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-18 18:09:51,032 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-04-18 18:09:51,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 18:09:51,225 INFO L263 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 5 conjunts are in the unsatisfiable core [2022-04-18 18:09:51,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-18 18:09:51,620 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 18:09:51,620 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-18 18:09:51,821 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 18:09:51,821 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [546717459] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-18 18:09:51,821 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-18 18:09:51,822 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2022-04-18 18:09:51,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561458609] [2022-04-18 18:09:51,822 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-04-18 18:09:51,823 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-04-18 18:09:51,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 18:09:51,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-04-18 18:09:51,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2022-04-18 18:09:51,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 18:09:51,824 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 18:09:51,824 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 18.46153846153846) internal successors, (240), 13 states have internal predecessors, (240), 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 18:09:51,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 18:09:51,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 18:09:51,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 18:09:51,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 18:09:51,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 18:09:51,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 18:09:51,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 18:09:51,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 18:09:51,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 18:09:51,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-04-18 18:09:51,899 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-04-18 18:09:52,097 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-18 18:09:52,098 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting threadErr2ASSERT_VIOLATIONDATA_RACE === [threadErr0ASSERT_VIOLATIONDATA_RACE, threadErr1ASSERT_VIOLATIONDATA_RACE, threadErr2ASSERT_VIOLATIONDATA_RACE] === [2022-04-18 18:09:52,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 18:09:52,098 INFO L85 PathProgramCache]: Analyzing trace with hash -1003241180, now seen corresponding path program 1 times [2022-04-18 18:09:52,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 18:09:52,098 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079905362] [2022-04-18 18:09:52,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 18:09:52,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 18:09:52,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 18:09:52,205 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-04-18 18:09:52,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 18:09:52,206 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079905362] [2022-04-18 18:09:52,206 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2079905362] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 18:09:52,206 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 18:09:52,206 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-18 18:09:52,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782444753] [2022-04-18 18:09:52,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 18:09:52,207 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-18 18:09:52,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 18:09:52,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-18 18:09:52,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-04-18 18:09:52,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 18:09:52,207 INFO L478 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-04-18 18:09:52,207 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 21.0) internal successors, (105), 6 states have internal predecessors, (105), 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 18:09:52,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 18:09:52,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 18:09:52,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 18:09:52,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-04-18 18:09:52,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-04-18 18:09:52,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-04-18 18:09:52,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 18:09:52,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 18:09:52,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 18:09:52,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 18:09:52,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-04-18 18:09:52,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 18:09:52,278 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-04-18 18:09:52,278 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting threadErr2ASSERT_VIOLATIONDATA_RACE === [threadErr0ASSERT_VIOLATIONDATA_RACE, threadErr1ASSERT_VIOLATIONDATA_RACE, threadErr2ASSERT_VIOLATIONDATA_RACE] === [2022-04-18 18:09:52,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 18:09:52,278 INFO L85 PathProgramCache]: Analyzing trace with hash -2042269614, now seen corresponding path program 2 times [2022-04-18 18:09:52,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 18:09:52,278 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228215019] [2022-04-18 18:09:52,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 18:09:52,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 18:09:52,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-18 18:09:52,312 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-04-18 18:09:52,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-18 18:09:52,356 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-04-18 18:09:52,356 INFO L618 BasicCegarLoop]: Counterexample is feasible [2022-04-18 18:09:52,357 INFO L788 garLoopResultBuilder]: Registering result UNSAFE for location threadErr2ASSERT_VIOLATIONDATA_RACE (2 of 3 remaining) [2022-04-18 18:09:52,358 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (1 of 3 remaining) [2022-04-18 18:09:52,358 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr1ASSERT_VIOLATIONDATA_RACE (0 of 3 remaining) [2022-04-18 18:09:52,358 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-04-18 18:09:52,363 INFO L719 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1] [2022-04-18 18:09:52,364 INFO L306 ceAbstractionStarter]: Result for error location threadThread1of1ForFork0 was UNSAFE,UNKNOWN,UNKNOWN (1/2) [2022-04-18 18:09:52,367 INFO L227 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-04-18 18:09:52,367 INFO L177 ceAbstractionStarter]: Computing trace abstraction results [2022-04-18 18:09:52,402 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.04 06:09:52 BasicIcfg [2022-04-18 18:09:52,402 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-04-18 18:09:52,402 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-04-18 18:09:52,402 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-04-18 18:09:52,402 INFO L275 PluginConnector]: Witness Printer initialized [2022-04-18 18:09:52,402 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 06:09:49" (3/4) ... [2022-04-18 18:09:52,404 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-04-18 18:09:52,404 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-04-18 18:09:52,405 INFO L158 Benchmark]: Toolchain (without parser) took 3554.01ms. Allocated memory was 88.1MB in the beginning and 163.6MB in the end (delta: 75.5MB). Free memory was 50.5MB in the beginning and 85.8MB in the end (delta: -35.2MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB. [2022-04-18 18:09:52,405 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 88.1MB. Free memory was 57.7MB in the beginning and 57.7MB in the end (delta: 24.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-04-18 18:09:52,405 INFO L158 Benchmark]: CACSL2BoogieTranslator took 514.80ms. Allocated memory was 88.1MB in the beginning and 121.6MB in the end (delta: 33.6MB). Free memory was 50.4MB in the beginning and 72.5MB in the end (delta: -22.1MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. [2022-04-18 18:09:52,405 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.62ms. Allocated memory is still 121.6MB. Free memory was 72.5MB in the beginning and 69.3MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-04-18 18:09:52,406 INFO L158 Benchmark]: Boogie Preprocessor took 25.93ms. Allocated memory is still 121.6MB. Free memory was 69.3MB in the beginning and 67.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-04-18 18:09:52,406 INFO L158 Benchmark]: RCFGBuilder took 475.13ms. Allocated memory is still 121.6MB. Free memory was 67.2MB in the beginning and 48.9MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-04-18 18:09:52,406 INFO L158 Benchmark]: TraceAbstraction took 2471.94ms. Allocated memory was 121.6MB in the beginning and 163.6MB in the end (delta: 41.9MB). Free memory was 48.3MB in the beginning and 85.8MB in the end (delta: -37.5MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2022-04-18 18:09:52,406 INFO L158 Benchmark]: Witness Printer took 2.16ms. Allocated memory is still 163.6MB. Free memory is still 85.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-04-18 18:09:52,408 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 88.1MB. Free memory was 57.7MB in the beginning and 57.7MB in the end (delta: 24.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 514.80ms. Allocated memory was 88.1MB in the beginning and 121.6MB in the end (delta: 33.6MB). Free memory was 50.4MB in the beginning and 72.5MB in the end (delta: -22.1MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.62ms. Allocated memory is still 121.6MB. Free memory was 72.5MB in the beginning and 69.3MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.93ms. Allocated memory is still 121.6MB. Free memory was 69.3MB in the beginning and 67.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 475.13ms. Allocated memory is still 121.6MB. Free memory was 67.2MB in the beginning and 48.9MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 2471.94ms. Allocated memory was 121.6MB in the beginning and 163.6MB in the end (delta: 41.9MB). Free memory was 48.3MB in the beginning and 85.8MB in the end (delta: -37.5MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. * Witness Printer took 2.16ms. Allocated memory is still 163.6MB. Free memory is still 85.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1727, positive: 1636, positive conditional: 176, positive unconditional: 1460, negative: 91, negative conditional: 74, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1654, positive: 1636, positive conditional: 176, positive unconditional: 1460, negative: 18, negative conditional: 1, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1654, positive: 1636, positive conditional: 176, positive unconditional: 1460, negative: 18, negative conditional: 1, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1659, positive: 1636, positive conditional: 162, positive unconditional: 1474, negative: 23, negative conditional: 5, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1659, positive: 1636, positive conditional: 53, positive unconditional: 1583, negative: 23, negative conditional: 1, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1659, positive: 1636, positive conditional: 53, positive unconditional: 1583, negative: 23, negative conditional: 1, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1339, positive: 1321, positive conditional: 1, positive unconditional: 1320, negative: 18, negative conditional: 1, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1339, positive: 1307, positive conditional: 0, positive unconditional: 1307, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 32, positive: 14, positive conditional: 1, positive unconditional: 13, negative: 18, negative conditional: 1, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 77, positive: 48, positive conditional: 2, positive unconditional: 46, negative: 29, negative conditional: 2, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1659, positive: 315, positive conditional: 52, positive unconditional: 263, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 1339, unknown conditional: 2, unknown unconditional: 1337] , Statistics on independence cache: Total cache size (in pairs): 1339, Positive cache size: 1321, Positive conditional cache size: 1, Positive unconditional cache size: 1320, Negative cache size: 18, Negative conditional cache size: 1, Negative unconditional cache size: 17, Eliminated conditions: 113, Maximal queried relation: 5, Independence queries for same thread: 73 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 145, Number of trivial persistent sets: 140, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1477, positive: 1460, positive conditional: 0, positive unconditional: 1460, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1727, positive: 1636, positive conditional: 176, positive unconditional: 1460, negative: 91, negative conditional: 74, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1654, positive: 1636, positive conditional: 176, positive unconditional: 1460, negative: 18, negative conditional: 1, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1654, positive: 1636, positive conditional: 176, positive unconditional: 1460, negative: 18, negative conditional: 1, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1659, positive: 1636, positive conditional: 162, positive unconditional: 1474, negative: 23, negative conditional: 5, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1659, positive: 1636, positive conditional: 53, positive unconditional: 1583, negative: 23, negative conditional: 1, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1659, positive: 1636, positive conditional: 53, positive unconditional: 1583, negative: 23, negative conditional: 1, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1339, positive: 1321, positive conditional: 1, positive unconditional: 1320, negative: 18, negative conditional: 1, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1339, positive: 1307, positive conditional: 0, positive unconditional: 1307, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 32, positive: 14, positive conditional: 1, positive unconditional: 13, negative: 18, negative conditional: 1, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 77, positive: 48, positive conditional: 2, positive unconditional: 46, negative: 29, negative conditional: 2, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1659, positive: 315, positive conditional: 52, positive unconditional: 263, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 1339, unknown conditional: 2, unknown unconditional: 1337] , Statistics on independence cache: Total cache size (in pairs): 1339, Positive cache size: 1321, Positive conditional cache size: 1, Positive unconditional cache size: 1320, Negative cache size: 18, Negative conditional cache size: 1, Negative unconditional cache size: 17, Eliminated conditions: 113, Maximal queried relation: 5, Independence queries for same thread: 73 - 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 - DataRaceFoundResult [Line: 1117]: Data race detected Data race detected The following path leads to a data race: [L1112] 0 const int SIGMA = 16; VAL [SIGMA=16] [L1113] 0 int *array; VAL [array={0:0}, SIGMA=16] [L1114] 0 int array_index=-1; VAL [array={0:0}, array_index=-1, SIGMA=16] [L1122] 0 int tid, sum; VAL [array={0:0}, array_index=-1, SIGMA=16] [L1123] 0 pthread_t *t; VAL [array={0:0}, array_index=-1, SIGMA=16, t={9:0}] [L1124] EXPR 0 sizeof(pthread_t) * SIGMA VAL [array={0:0}, array_index=-1, SIGMA=16, t={9:0}] [L1124] 0 t = (pthread_t *)malloc(sizeof(pthread_t) * SIGMA) VAL [array={0:0}, array_index=-1, malloc(sizeof(pthread_t) * SIGMA)={3:0}, SIGMA=16, t={9:0}, t = (pthread_t *)malloc(sizeof(pthread_t) * SIGMA)=66] [L1125] EXPR 0 sizeof(int) * SIGMA VAL [array={0:0}, array_index=-1, SIGMA=16, t={9:0}] [L1125] 0 array = (int *)malloc(sizeof(int) * SIGMA) VAL [array={4:0}, array = (int *)malloc(sizeof(int) * SIGMA)=67, array_index=-1, malloc(sizeof(int) * SIGMA)={4:0}, SIGMA=16, t={9:0}] [L1126] EXPR 0 \read(*t) VAL [\read(*t)={3:0}, array={4:0}, array_index=-1, SIGMA=16, t={9:0}] [L1126] 0 assume_abort_if_not(t) VAL [\read(*t)={3:0}, array={4:0}, array_index=-1, SIGMA=16, t={9:0}] [L1126] CALL 0 assume_abort_if_not(t) [L11] COND FALSE 0 !(!cond) VAL [\old(cond)=3, array={4:0}, array_index=-1, cond=3, SIGMA=16] [L1126] RET 0 assume_abort_if_not(t) [L1127] 0 assume_abort_if_not(array) VAL [array={4:0}, array_index=-1, SIGMA=16, t={9:0}] [L1127] CALL 0 assume_abort_if_not(array) [L11] COND FALSE 0 !(!cond) VAL [\old(cond)=4, array={4:0}, array_index=-1, cond=4, SIGMA=16] [L1127] RET 0 assume_abort_if_not(array) [L1128] 0 tid=0 VAL [array={4:0}, array_index=-1, SIGMA=16, t={9:0}, tid=0] [L1128] 0 tid