./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/goblint-regression/02-base_24-malloc_races.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/goblint-regression/02-base_24-malloc_races.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 10776deb9ece8603196e8eecaf972964a6cae8e272af6ac2269e1894470ceda6 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-29 01:57:07,019 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 01:57:07,020 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 01:57:07,050 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 01:57:07,052 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 01:57:07,055 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 01:57:07,057 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 01:57:07,059 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 01:57:07,061 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 01:57:07,066 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 01:57:07,066 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 01:57:07,069 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 01:57:07,069 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 01:57:07,071 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 01:57:07,072 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 01:57:07,076 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 01:57:07,077 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 01:57:07,078 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 01:57:07,079 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 01:57:07,084 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 01:57:07,085 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 01:57:07,086 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 01:57:07,087 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 01:57:07,088 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 01:57:07,094 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 01:57:07,095 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 01:57:07,095 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 01:57:07,097 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 01:57:07,097 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 01:57:07,098 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 01:57:07,099 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 01:57:07,104 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 01:57:07,106 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 01:57:07,106 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 01:57:07,107 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 01:57:07,107 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 01:57:07,108 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 01:57:07,108 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 01:57:07,108 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 01:57:07,109 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 01:57:07,110 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 01:57:07,111 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 01:57:07,160 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 01:57:07,161 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 01:57:07,161 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 01:57:07,162 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 01:57:07,162 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 01:57:07,163 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 01:57:07,163 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 01:57:07,163 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 01:57:07,163 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 01:57:07,164 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 01:57:07,164 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 01:57:07,165 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 01:57:07,165 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 01:57:07,165 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 01:57:07,165 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 01:57:07,165 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 01:57:07,166 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 01:57:07,166 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 01:57:07,166 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 01:57:07,166 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 01:57:07,166 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 01:57:07,167 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 01:57:07,167 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 01:57:07,167 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 01:57:07,167 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 01:57:07,167 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 01:57:07,167 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 01:57:07,168 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 01:57:07,168 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 01:57:07,168 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 01:57:07,168 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 01:57:07,168 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 01:57:07,169 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 01:57:07,169 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 01:57:07,169 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 01:57:07,169 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 01:57:07,169 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 01:57:07,169 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 10776deb9ece8603196e8eecaf972964a6cae8e272af6ac2269e1894470ceda6 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> AFTER [2023-08-29 01:57:07,455 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 01:57:07,487 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 01:57:07,490 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 01:57:07,491 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 01:57:07,492 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 01:57:07,493 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/02-base_24-malloc_races.i [2023-08-29 01:57:08,666 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 01:57:08,963 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 01:57:08,967 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/02-base_24-malloc_races.i [2023-08-29 01:57:08,990 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5633bfa69/65fbd55b6a914f748fe2e2a6c5900834/FLAGdfa05dda5 [2023-08-29 01:57:09,002 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5633bfa69/65fbd55b6a914f748fe2e2a6c5900834 [2023-08-29 01:57:09,004 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 01:57:09,005 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 01:57:09,006 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 01:57:09,006 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 01:57:09,009 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 01:57:09,010 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 01:57:09" (1/1) ... [2023-08-29 01:57:09,011 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d3f7490 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:57:09, skipping insertion in model container [2023-08-29 01:57:09,011 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 01:57:09" (1/1) ... [2023-08-29 01:57:09,017 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 01:57:09,068 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 01:57:09,653 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 01:57:09,666 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 01:57:09,727 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 01:57:09,834 INFO L208 MainTranslator]: Completed translation [2023-08-29 01:57:09,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:57:09 WrapperNode [2023-08-29 01:57:09,835 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 01:57:09,836 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 01:57:09,836 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 01:57:09,836 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 01:57:09,843 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:57:09" (1/1) ... [2023-08-29 01:57:09,874 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:57:09" (1/1) ... [2023-08-29 01:57:09,909 INFO L138 Inliner]: procedures = 365, calls = 21, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 64 [2023-08-29 01:57:09,910 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 01:57:09,911 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 01:57:09,911 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 01:57:09,911 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 01:57:09,920 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:57:09" (1/1) ... [2023-08-29 01:57:09,920 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:57:09" (1/1) ... [2023-08-29 01:57:09,937 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:57:09" (1/1) ... [2023-08-29 01:57:09,938 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:57:09" (1/1) ... [2023-08-29 01:57:09,944 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:57:09" (1/1) ... [2023-08-29 01:57:09,954 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:57:09" (1/1) ... [2023-08-29 01:57:09,956 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:57:09" (1/1) ... [2023-08-29 01:57:09,961 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:57:09" (1/1) ... [2023-08-29 01:57:09,964 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 01:57:09,968 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 01:57:09,968 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 01:57:09,969 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 01:57:09,969 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:57:09" (1/1) ... [2023-08-29 01:57:09,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 01:57:09,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 01:57:10,003 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-29 01:57:10,010 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-29 01:57:10,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 01:57:10,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 01:57:10,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 01:57:10,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 01:57:10,040 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-29 01:57:10,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-29 01:57:10,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 01:57:10,041 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-29 01:57:10,041 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-29 01:57:10,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 01:57:10,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 01:57:10,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 01:57:10,045 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-29 01:57:10,158 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 01:57:10,160 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 01:57:10,373 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 01:57:10,379 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 01:57:10,380 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-29 01:57:10,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 01:57:10 BoogieIcfgContainer [2023-08-29 01:57:10,382 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 01:57:10,383 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 01:57:10,384 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 01:57:10,386 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 01:57:10,387 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 01:57:09" (1/3) ... [2023-08-29 01:57:10,387 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e52277f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 01:57:10, skipping insertion in model container [2023-08-29 01:57:10,387 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:57:09" (2/3) ... [2023-08-29 01:57:10,388 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e52277f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 01:57:10, skipping insertion in model container [2023-08-29 01:57:10,388 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 01:57:10" (3/3) ... [2023-08-29 01:57:10,389 INFO L112 eAbstractionObserver]: Analyzing ICFG 02-base_24-malloc_races.i [2023-08-29 01:57:10,396 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 01:57:10,404 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 01:57:10,405 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2023-08-29 01:57:10,405 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 01:57:10,475 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-29 01:57:10,514 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 104 places, 100 transitions, 205 flow [2023-08-29 01:57:10,570 INFO L130 PetriNetUnfolder]: 0/99 cut-off events. [2023-08-29 01:57:10,571 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 01:57:10,573 INFO L83 FinitePrefix]: Finished finitePrefix Result has 103 conditions, 99 events. 0/99 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 78 event pairs, 0 based on Foata normal form. 0/89 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2023-08-29 01:57:10,574 INFO L82 GeneralOperation]: Start removeDead. Operand has 104 places, 100 transitions, 205 flow [2023-08-29 01:57:10,577 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 103 places, 99 transitions, 201 flow [2023-08-29 01:57:10,581 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 01:57:10,595 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 103 places, 99 transitions, 201 flow [2023-08-29 01:57:10,599 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 103 places, 99 transitions, 201 flow [2023-08-29 01:57:10,600 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 103 places, 99 transitions, 201 flow [2023-08-29 01:57:10,626 INFO L130 PetriNetUnfolder]: 0/99 cut-off events. [2023-08-29 01:57:10,626 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 01:57:10,627 INFO L83 FinitePrefix]: Finished finitePrefix Result has 103 conditions, 99 events. 0/99 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 78 event pairs, 0 based on Foata normal form. 0/89 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2023-08-29 01:57:10,628 INFO L119 LiptonReduction]: Number of co-enabled transitions 2040 [2023-08-29 01:57:13,018 INFO L134 LiptonReduction]: Checked pairs total: 15676 [2023-08-29 01:57:13,018 INFO L136 LiptonReduction]: Total number of compositions: 59 [2023-08-29 01:57:13,030 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 01:57:13,035 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@31155131, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 01:57:13,035 INFO L358 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2023-08-29 01:57:13,036 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-29 01:57:13,037 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 01:57:13,037 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:57:13,037 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-29 01:57:13,038 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2023-08-29 01:57:13,041 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:57:13,042 INFO L85 PathProgramCache]: Analyzing trace with hash 318, now seen corresponding path program 1 times [2023-08-29 01:57:13,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:57:13,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617647670] [2023-08-29 01:57:13,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:57:13,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:57:13,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:57:13,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:57:13,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:57:13,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617647670] [2023-08-29 01:57:13,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1617647670] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:57:13,138 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:57:13,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-29 01:57:13,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308317433] [2023-08-29 01:57:13,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:57:13,147 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-29 01:57:13,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:57:13,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-29 01:57:13,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-29 01:57:13,171 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 159 [2023-08-29 01:57:13,173 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 48 transitions, 99 flow. Second operand has 2 states, 2 states have (on average 99.5) internal successors, (199), 2 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:57:13,173 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:57:13,173 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 159 [2023-08-29 01:57:13,174 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:57:13,233 INFO L130 PetriNetUnfolder]: 35/208 cut-off events. [2023-08-29 01:57:13,233 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 01:57:13,235 INFO L83 FinitePrefix]: Finished finitePrefix Result has 297 conditions, 208 events. 35/208 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 925 event pairs, 35 based on Foata normal form. 0/187 useless extension candidates. Maximal degree in co-relation 288. Up to 85 conditions per place. [2023-08-29 01:57:13,237 INFO L137 encePairwiseOnDemand]: 157/159 looper letters, 14 selfloop transitions, 0 changer transitions 0/46 dead transitions. [2023-08-29 01:57:13,238 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 46 transitions, 123 flow [2023-08-29 01:57:13,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-29 01:57:13,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-29 01:57:13,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 214 transitions. [2023-08-29 01:57:13,265 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6729559748427673 [2023-08-29 01:57:13,265 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 214 transitions. [2023-08-29 01:57:13,266 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 214 transitions. [2023-08-29 01:57:13,267 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:57:13,269 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 214 transitions. [2023-08-29 01:57:13,271 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 107.0) internal successors, (214), 2 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:57:13,274 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 159.0) internal successors, (477), 3 states have internal predecessors, (477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:57:13,275 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 159.0) internal successors, (477), 3 states have internal predecessors, (477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:57:13,276 INFO L175 Difference]: Start difference. First operand has 52 places, 48 transitions, 99 flow. Second operand 2 states and 214 transitions. [2023-08-29 01:57:13,277 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 46 transitions, 123 flow [2023-08-29 01:57:13,279 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 46 transitions, 122 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 01:57:13,280 INFO L231 Difference]: Finished difference. Result has 50 places, 46 transitions, 94 flow [2023-08-29 01:57:13,282 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=159, PETRI_DIFFERENCE_MINUEND_FLOW=94, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=94, PETRI_PLACES=50, PETRI_TRANSITIONS=46} [2023-08-29 01:57:13,284 INFO L281 CegarLoopForPetriNet]: 52 programPoint places, -2 predicate places. [2023-08-29 01:57:13,285 INFO L495 AbstractCegarLoop]: Abstraction has has 50 places, 46 transitions, 94 flow [2023-08-29 01:57:13,285 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 99.5) internal successors, (199), 2 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:57:13,285 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:57:13,285 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-08-29 01:57:13,286 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 01:57:13,286 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2023-08-29 01:57:13,286 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:57:13,287 INFO L85 PathProgramCache]: Analyzing trace with hash 303604012, now seen corresponding path program 1 times [2023-08-29 01:57:13,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:57:13,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665168560] [2023-08-29 01:57:13,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:57:13,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:57:13,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:57:13,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:57:13,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:57:13,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665168560] [2023-08-29 01:57:13,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665168560] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:57:13,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:57:13,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 01:57:13,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749004824] [2023-08-29 01:57:13,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:57:13,413 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 01:57:13,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:57:13,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 01:57:13,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 01:57:13,429 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 92 out of 159 [2023-08-29 01:57:13,430 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 46 transitions, 94 flow. Second operand has 3 states, 3 states have (on average 93.66666666666667) internal successors, (281), 3 states have internal predecessors, (281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:57:13,430 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:57:13,430 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 92 of 159 [2023-08-29 01:57:13,431 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:57:13,500 INFO L130 PetriNetUnfolder]: 48/233 cut-off events. [2023-08-29 01:57:13,501 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 01:57:13,502 INFO L83 FinitePrefix]: Finished finitePrefix Result has 350 conditions, 233 events. 48/233 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1045 event pairs, 29 based on Foata normal form. 0/217 useless extension candidates. Maximal degree in co-relation 347. Up to 106 conditions per place. [2023-08-29 01:57:13,503 INFO L137 encePairwiseOnDemand]: 155/159 looper letters, 18 selfloop transitions, 2 changer transitions 0/48 dead transitions. [2023-08-29 01:57:13,503 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 48 transitions, 138 flow [2023-08-29 01:57:13,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 01:57:13,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 01:57:13,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 298 transitions. [2023-08-29 01:57:13,506 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6247379454926625 [2023-08-29 01:57:13,506 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 298 transitions. [2023-08-29 01:57:13,506 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 298 transitions. [2023-08-29 01:57:13,507 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:57:13,507 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 298 transitions. [2023-08-29 01:57:13,508 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 99.33333333333333) internal successors, (298), 3 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:57:13,509 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 159.0) internal successors, (636), 4 states have internal predecessors, (636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:57:13,510 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 159.0) internal successors, (636), 4 states have internal predecessors, (636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:57:13,510 INFO L175 Difference]: Start difference. First operand has 50 places, 46 transitions, 94 flow. Second operand 3 states and 298 transitions. [2023-08-29 01:57:13,510 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 48 transitions, 138 flow [2023-08-29 01:57:13,511 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 48 transitions, 138 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 01:57:13,512 INFO L231 Difference]: Finished difference. Result has 51 places, 46 transitions, 104 flow [2023-08-29 01:57:13,512 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=159, PETRI_DIFFERENCE_MINUEND_FLOW=90, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=104, PETRI_PLACES=51, PETRI_TRANSITIONS=46} [2023-08-29 01:57:13,513 INFO L281 CegarLoopForPetriNet]: 52 programPoint places, -1 predicate places. [2023-08-29 01:57:13,513 INFO L495 AbstractCegarLoop]: Abstraction has has 51 places, 46 transitions, 104 flow [2023-08-29 01:57:13,513 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 93.66666666666667) internal successors, (281), 3 states have internal predecessors, (281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:57:13,513 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:57:13,514 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:57:13,514 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-29 01:57:13,514 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2023-08-29 01:57:13,515 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:57:13,515 INFO L85 PathProgramCache]: Analyzing trace with hash -1969543495, now seen corresponding path program 1 times [2023-08-29 01:57:13,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:57:13,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64437273] [2023-08-29 01:57:13,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:57:13,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:57:13,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:57:13,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:57:13,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:57:13,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64437273] [2023-08-29 01:57:13,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [64437273] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:57:13,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:57:13,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 01:57:13,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102431560] [2023-08-29 01:57:13,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:57:13,925 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 01:57:13,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:57:13,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 01:57:13,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 01:57:14,056 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 159 [2023-08-29 01:57:14,057 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 46 transitions, 104 flow. Second operand has 6 states, 6 states have (on average 83.5) internal successors, (501), 6 states have internal predecessors, (501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:57:14,057 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:57:14,058 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 159 [2023-08-29 01:57:14,058 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:57:14,282 INFO L130 PetriNetUnfolder]: 240/755 cut-off events. [2023-08-29 01:57:14,282 INFO L131 PetriNetUnfolder]: For 20/20 co-relation queries the response was YES. [2023-08-29 01:57:14,286 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1323 conditions, 755 events. 240/755 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 4559 event pairs, 25 based on Foata normal form. 0/698 useless extension candidates. Maximal degree in co-relation 1319. Up to 274 conditions per place. [2023-08-29 01:57:14,288 INFO L137 encePairwiseOnDemand]: 144/159 looper letters, 71 selfloop transitions, 37 changer transitions 0/126 dead transitions. [2023-08-29 01:57:14,288 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 126 transitions, 488 flow [2023-08-29 01:57:14,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 01:57:14,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 01:57:14,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 599 transitions. [2023-08-29 01:57:14,293 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6278825995807128 [2023-08-29 01:57:14,294 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 599 transitions. [2023-08-29 01:57:14,294 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 599 transitions. [2023-08-29 01:57:14,294 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:57:14,294 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 599 transitions. [2023-08-29 01:57:14,296 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 99.83333333333333) internal successors, (599), 6 states have internal predecessors, (599), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:57:14,298 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 159.0) internal successors, (1113), 7 states have internal predecessors, (1113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:57:14,299 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 159.0) internal successors, (1113), 7 states have internal predecessors, (1113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:57:14,299 INFO L175 Difference]: Start difference. First operand has 51 places, 46 transitions, 104 flow. Second operand 6 states and 599 transitions. [2023-08-29 01:57:14,299 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 126 transitions, 488 flow [2023-08-29 01:57:14,300 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 126 transitions, 488 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 01:57:14,301 INFO L231 Difference]: Finished difference. Result has 60 places, 84 transitions, 340 flow [2023-08-29 01:57:14,302 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=159, PETRI_DIFFERENCE_MINUEND_FLOW=104, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=340, PETRI_PLACES=60, PETRI_TRANSITIONS=84} [2023-08-29 01:57:14,302 INFO L281 CegarLoopForPetriNet]: 52 programPoint places, 8 predicate places. [2023-08-29 01:57:14,303 INFO L495 AbstractCegarLoop]: Abstraction has has 60 places, 84 transitions, 340 flow [2023-08-29 01:57:14,303 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 83.5) internal successors, (501), 6 states have internal predecessors, (501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:57:14,303 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:57:14,303 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:57:14,303 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-29 01:57:14,304 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2023-08-29 01:57:14,304 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:57:14,304 INFO L85 PathProgramCache]: Analyzing trace with hash 1746522081, now seen corresponding path program 1 times [2023-08-29 01:57:14,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:57:14,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382224863] [2023-08-29 01:57:14,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:57:14,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:57:14,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:57:14,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:57:14,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:57:14,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382224863] [2023-08-29 01:57:14,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382224863] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:57:14,494 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:57:14,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 01:57:14,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570530925] [2023-08-29 01:57:14,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:57:14,494 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 01:57:14,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:57:14,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 01:57:14,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 01:57:14,566 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 159 [2023-08-29 01:57:14,567 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 84 transitions, 340 flow. Second operand has 6 states, 6 states have (on average 77.5) internal successors, (465), 6 states have internal predecessors, (465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:57:14,567 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:57:14,567 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 159 [2023-08-29 01:57:14,567 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:57:14,778 INFO L130 PetriNetUnfolder]: 452/1152 cut-off events. [2023-08-29 01:57:14,778 INFO L131 PetriNetUnfolder]: For 434/446 co-relation queries the response was YES. [2023-08-29 01:57:14,781 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2918 conditions, 1152 events. 452/1152 cut-off events. For 434/446 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 6993 event pairs, 183 based on Foata normal form. 23/1128 useless extension candidates. Maximal degree in co-relation 2909. Up to 815 conditions per place. [2023-08-29 01:57:14,786 INFO L137 encePairwiseOnDemand]: 144/159 looper letters, 99 selfloop transitions, 45 changer transitions 0/158 dead transitions. [2023-08-29 01:57:14,786 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 158 transitions, 888 flow [2023-08-29 01:57:14,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 01:57:14,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 01:57:14,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 555 transitions. [2023-08-29 01:57:14,788 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5817610062893082 [2023-08-29 01:57:14,788 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 555 transitions. [2023-08-29 01:57:14,788 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 555 transitions. [2023-08-29 01:57:14,789 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:57:14,789 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 555 transitions. [2023-08-29 01:57:14,790 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 92.5) internal successors, (555), 6 states have internal predecessors, (555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:57:14,792 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 159.0) internal successors, (1113), 7 states have internal predecessors, (1113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:57:14,793 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 159.0) internal successors, (1113), 7 states have internal predecessors, (1113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:57:14,793 INFO L175 Difference]: Start difference. First operand has 60 places, 84 transitions, 340 flow. Second operand 6 states and 555 transitions. [2023-08-29 01:57:14,793 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 158 transitions, 888 flow [2023-08-29 01:57:14,797 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 158 transitions, 888 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 01:57:14,799 INFO L231 Difference]: Finished difference. Result has 69 places, 126 transitions, 681 flow [2023-08-29 01:57:14,800 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=159, PETRI_DIFFERENCE_MINUEND_FLOW=340, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=84, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=681, PETRI_PLACES=69, PETRI_TRANSITIONS=126} [2023-08-29 01:57:14,800 INFO L281 CegarLoopForPetriNet]: 52 programPoint places, 17 predicate places. [2023-08-29 01:57:14,800 INFO L495 AbstractCegarLoop]: Abstraction has has 69 places, 126 transitions, 681 flow [2023-08-29 01:57:14,801 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 77.5) internal successors, (465), 6 states have internal predecessors, (465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:57:14,801 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:57:14,801 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:57:14,801 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-29 01:57:14,802 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2023-08-29 01:57:14,802 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:57:14,802 INFO L85 PathProgramCache]: Analyzing trace with hash -924462950, now seen corresponding path program 1 times [2023-08-29 01:57:14,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:57:14,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379012944] [2023-08-29 01:57:14,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:57:14,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:57:14,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:57:14,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:57:14,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:57:14,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379012944] [2023-08-29 01:57:14,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379012944] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:57:14,843 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:57:14,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 01:57:14,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377419859] [2023-08-29 01:57:14,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:57:14,844 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 01:57:14,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:57:14,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 01:57:14,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 01:57:14,852 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 92 out of 159 [2023-08-29 01:57:14,852 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 126 transitions, 681 flow. Second operand has 3 states, 3 states have (on average 94.66666666666667) internal successors, (284), 3 states have internal predecessors, (284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:57:14,852 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:57:14,853 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 92 of 159 [2023-08-29 01:57:14,853 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:57:14,982 INFO L130 PetriNetUnfolder]: 237/811 cut-off events. [2023-08-29 01:57:14,983 INFO L131 PetriNetUnfolder]: For 696/750 co-relation queries the response was YES. [2023-08-29 01:57:14,985 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2204 conditions, 811 events. 237/811 cut-off events. For 696/750 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 5198 event pairs, 42 based on Foata normal form. 17/815 useless extension candidates. Maximal degree in co-relation 2190. Up to 250 conditions per place. [2023-08-29 01:57:14,989 INFO L137 encePairwiseOnDemand]: 155/159 looper letters, 59 selfloop transitions, 2 changer transitions 0/142 dead transitions. [2023-08-29 01:57:14,989 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 142 transitions, 905 flow [2023-08-29 01:57:14,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 01:57:14,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 01:57:14,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 304 transitions. [2023-08-29 01:57:14,991 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6373165618448637 [2023-08-29 01:57:14,991 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 304 transitions. [2023-08-29 01:57:14,991 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 304 transitions. [2023-08-29 01:57:14,992 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:57:14,992 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 304 transitions. [2023-08-29 01:57:14,993 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 101.33333333333333) internal successors, (304), 3 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:57:14,995 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 159.0) internal successors, (636), 4 states have internal predecessors, (636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:57:14,995 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 159.0) internal successors, (636), 4 states have internal predecessors, (636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:57:14,995 INFO L175 Difference]: Start difference. First operand has 69 places, 126 transitions, 681 flow. Second operand 3 states and 304 transitions. [2023-08-29 01:57:14,995 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 142 transitions, 905 flow [2023-08-29 01:57:15,002 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 142 transitions, 889 flow, removed 8 selfloop flow, removed 0 redundant places. [2023-08-29 01:57:15,006 INFO L231 Difference]: Finished difference. Result has 70 places, 126 transitions, 675 flow [2023-08-29 01:57:15,006 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=159, PETRI_DIFFERENCE_MINUEND_FLOW=661, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=124, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=122, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=675, PETRI_PLACES=70, PETRI_TRANSITIONS=126} [2023-08-29 01:57:15,007 INFO L281 CegarLoopForPetriNet]: 52 programPoint places, 18 predicate places. [2023-08-29 01:57:15,007 INFO L495 AbstractCegarLoop]: Abstraction has has 70 places, 126 transitions, 675 flow [2023-08-29 01:57:15,007 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 94.66666666666667) internal successors, (284), 3 states have internal predecessors, (284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:57:15,007 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:57:15,007 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:57:15,008 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-29 01:57:15,008 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2023-08-29 01:57:15,008 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:57:15,008 INFO L85 PathProgramCache]: Analyzing trace with hash 1958450872, now seen corresponding path program 1 times [2023-08-29 01:57:15,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:57:15,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160558305] [2023-08-29 01:57:15,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:57:15,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:57:15,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:57:15,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:57:15,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:57:15,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160558305] [2023-08-29 01:57:15,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1160558305] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:57:15,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:57:15,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-29 01:57:15,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433171429] [2023-08-29 01:57:15,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:57:15,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 01:57:15,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:57:15,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 01:57:15,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 01:57:15,075 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 94 out of 159 [2023-08-29 01:57:15,076 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 126 transitions, 675 flow. Second operand has 3 states, 3 states have (on average 96.33333333333333) internal successors, (289), 3 states have internal predecessors, (289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:57:15,076 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:57:15,076 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 94 of 159 [2023-08-29 01:57:15,076 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:57:15,114 INFO L130 PetriNetUnfolder]: 49/223 cut-off events. [2023-08-29 01:57:15,115 INFO L131 PetriNetUnfolder]: For 136/142 co-relation queries the response was YES. [2023-08-29 01:57:15,116 INFO L83 FinitePrefix]: Finished finitePrefix Result has 599 conditions, 223 events. 49/223 cut-off events. For 136/142 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 888 event pairs, 11 based on Foata normal form. 12/232 useless extension candidates. Maximal degree in co-relation 584. Up to 68 conditions per place. [2023-08-29 01:57:15,117 INFO L137 encePairwiseOnDemand]: 155/159 looper letters, 19 selfloop transitions, 4 changer transitions 0/69 dead transitions. [2023-08-29 01:57:15,117 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 69 transitions, 348 flow [2023-08-29 01:57:15,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 01:57:15,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 01:57:15,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 301 transitions. [2023-08-29 01:57:15,119 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6310272536687631 [2023-08-29 01:57:15,119 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 301 transitions. [2023-08-29 01:57:15,119 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 301 transitions. [2023-08-29 01:57:15,119 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:57:15,119 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 301 transitions. [2023-08-29 01:57:15,120 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 100.33333333333333) internal successors, (301), 3 states have internal predecessors, (301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:57:15,121 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 159.0) internal successors, (636), 4 states have internal predecessors, (636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:57:15,121 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 159.0) internal successors, (636), 4 states have internal predecessors, (636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:57:15,122 INFO L175 Difference]: Start difference. First operand has 70 places, 126 transitions, 675 flow. Second operand 3 states and 301 transitions. [2023-08-29 01:57:15,122 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 69 transitions, 348 flow [2023-08-29 01:57:15,123 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 69 transitions, 304 flow, removed 15 selfloop flow, removed 7 redundant places. [2023-08-29 01:57:15,126 INFO L231 Difference]: Finished difference. Result has 64 places, 66 transitions, 255 flow [2023-08-29 01:57:15,127 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=159, PETRI_DIFFERENCE_MINUEND_FLOW=247, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=255, PETRI_PLACES=64, PETRI_TRANSITIONS=66} [2023-08-29 01:57:15,129 INFO L281 CegarLoopForPetriNet]: 52 programPoint places, 12 predicate places. [2023-08-29 01:57:15,129 INFO L495 AbstractCegarLoop]: Abstraction has has 64 places, 66 transitions, 255 flow [2023-08-29 01:57:15,129 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 96.33333333333333) internal successors, (289), 3 states have internal predecessors, (289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:57:15,130 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:57:15,130 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:57:15,130 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-29 01:57:15,131 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2023-08-29 01:57:15,132 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:57:15,132 INFO L85 PathProgramCache]: Analyzing trace with hash 2088875983, now seen corresponding path program 1 times [2023-08-29 01:57:15,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:57:15,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882353905] [2023-08-29 01:57:15,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:57:15,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:57:15,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:57:15,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:57:15,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:57:15,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882353905] [2023-08-29 01:57:15,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882353905] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:57:15,359 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:57:15,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 01:57:15,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893210418] [2023-08-29 01:57:15,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:57:15,360 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 01:57:15,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:57:15,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 01:57:15,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 01:57:15,445 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 159 [2023-08-29 01:57:15,445 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 66 transitions, 255 flow. Second operand has 6 states, 6 states have (on average 78.5) internal successors, (471), 6 states have internal predecessors, (471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:57:15,445 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:57:15,446 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 159 [2023-08-29 01:57:15,446 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:57:15,542 INFO L130 PetriNetUnfolder]: 141/415 cut-off events. [2023-08-29 01:57:15,543 INFO L131 PetriNetUnfolder]: For 125/127 co-relation queries the response was YES. [2023-08-29 01:57:15,544 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1074 conditions, 415 events. 141/415 cut-off events. For 125/127 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1834 event pairs, 51 based on Foata normal form. 0/402 useless extension candidates. Maximal degree in co-relation 1062. Up to 266 conditions per place. [2023-08-29 01:57:15,545 INFO L137 encePairwiseOnDemand]: 148/159 looper letters, 69 selfloop transitions, 21 changer transitions 4/106 dead transitions. [2023-08-29 01:57:15,546 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 106 transitions, 563 flow [2023-08-29 01:57:15,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 01:57:15,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 01:57:15,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 527 transitions. [2023-08-29 01:57:15,548 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5524109014675053 [2023-08-29 01:57:15,548 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 527 transitions. [2023-08-29 01:57:15,548 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 527 transitions. [2023-08-29 01:57:15,549 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:57:15,549 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 527 transitions. [2023-08-29 01:57:15,552 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 87.83333333333333) internal successors, (527), 6 states have internal predecessors, (527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:57:15,554 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 159.0) internal successors, (1113), 7 states have internal predecessors, (1113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:57:15,554 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 159.0) internal successors, (1113), 7 states have internal predecessors, (1113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:57:15,554 INFO L175 Difference]: Start difference. First operand has 64 places, 66 transitions, 255 flow. Second operand 6 states and 527 transitions. [2023-08-29 01:57:15,554 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 106 transitions, 563 flow [2023-08-29 01:57:15,556 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 106 transitions, 559 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 01:57:15,558 INFO L231 Difference]: Finished difference. Result has 72 places, 87 transitions, 414 flow [2023-08-29 01:57:15,558 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=159, PETRI_DIFFERENCE_MINUEND_FLOW=251, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=414, PETRI_PLACES=72, PETRI_TRANSITIONS=87} [2023-08-29 01:57:15,559 INFO L281 CegarLoopForPetriNet]: 52 programPoint places, 20 predicate places. [2023-08-29 01:57:15,559 INFO L495 AbstractCegarLoop]: Abstraction has has 72 places, 87 transitions, 414 flow [2023-08-29 01:57:15,559 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 78.5) internal successors, (471), 6 states have internal predecessors, (471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:57:15,559 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:57:15,559 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:57:15,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-29 01:57:15,560 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2023-08-29 01:57:15,560 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:57:15,560 INFO L85 PathProgramCache]: Analyzing trace with hash 882238423, now seen corresponding path program 1 times [2023-08-29 01:57:15,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:57:15,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030993776] [2023-08-29 01:57:15,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:57:15,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:57:15,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:57:15,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:57:15,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:57:15,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030993776] [2023-08-29 01:57:15,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030993776] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:57:15,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:57:15,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 01:57:15,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474136265] [2023-08-29 01:57:15,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:57:15,773 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 01:57:15,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:57:15,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 01:57:15,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 01:57:15,865 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 159 [2023-08-29 01:57:15,865 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 87 transitions, 414 flow. Second operand has 6 states, 6 states have (on average 83.83333333333333) internal successors, (503), 6 states have internal predecessors, (503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:57:15,865 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:57:15,865 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 159 [2023-08-29 01:57:15,866 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:57:16,082 INFO L130 PetriNetUnfolder]: 209/590 cut-off events. [2023-08-29 01:57:16,083 INFO L131 PetriNetUnfolder]: For 429/435 co-relation queries the response was YES. [2023-08-29 01:57:16,084 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1921 conditions, 590 events. 209/590 cut-off events. For 429/435 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 2965 event pairs, 32 based on Foata normal form. 18/606 useless extension candidates. Maximal degree in co-relation 1904. Up to 284 conditions per place. [2023-08-29 01:57:16,087 INFO L137 encePairwiseOnDemand]: 144/159 looper letters, 84 selfloop transitions, 48 changer transitions 17/165 dead transitions. [2023-08-29 01:57:16,087 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 165 transitions, 1053 flow [2023-08-29 01:57:16,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 01:57:16,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 01:57:16,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 591 transitions. [2023-08-29 01:57:16,089 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6194968553459119 [2023-08-29 01:57:16,089 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 591 transitions. [2023-08-29 01:57:16,089 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 591 transitions. [2023-08-29 01:57:16,090 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:57:16,090 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 591 transitions. [2023-08-29 01:57:16,091 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 98.5) internal successors, (591), 6 states have internal predecessors, (591), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:57:16,092 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 159.0) internal successors, (1113), 7 states have internal predecessors, (1113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:57:16,093 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 159.0) internal successors, (1113), 7 states have internal predecessors, (1113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:57:16,093 INFO L175 Difference]: Start difference. First operand has 72 places, 87 transitions, 414 flow. Second operand 6 states and 591 transitions. [2023-08-29 01:57:16,093 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 165 transitions, 1053 flow [2023-08-29 01:57:16,096 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 165 transitions, 1045 flow, removed 4 selfloop flow, removed 0 redundant places. [2023-08-29 01:57:16,098 INFO L231 Difference]: Finished difference. Result has 81 places, 119 transitions, 753 flow [2023-08-29 01:57:16,099 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=159, PETRI_DIFFERENCE_MINUEND_FLOW=406, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=753, PETRI_PLACES=81, PETRI_TRANSITIONS=119} [2023-08-29 01:57:16,099 INFO L281 CegarLoopForPetriNet]: 52 programPoint places, 29 predicate places. [2023-08-29 01:57:16,099 INFO L495 AbstractCegarLoop]: Abstraction has has 81 places, 119 transitions, 753 flow [2023-08-29 01:57:16,100 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 83.83333333333333) internal successors, (503), 6 states have internal predecessors, (503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:57:16,100 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:57:16,100 INFO L208 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] [2023-08-29 01:57:16,100 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-29 01:57:16,100 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2023-08-29 01:57:16,101 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:57:16,101 INFO L85 PathProgramCache]: Analyzing trace with hash -696175190, now seen corresponding path program 1 times [2023-08-29 01:57:16,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:57:16,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565494243] [2023-08-29 01:57:16,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:57:16,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:57:16,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:57:16,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:57:16,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:57:16,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565494243] [2023-08-29 01:57:16,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565494243] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:57:16,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:57:16,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-08-29 01:57:16,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289740286] [2023-08-29 01:57:16,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:57:16,392 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-08-29 01:57:16,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:57:16,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-08-29 01:57:16,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2023-08-29 01:57:16,529 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 74 out of 159 [2023-08-29 01:57:16,530 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 119 transitions, 753 flow. Second operand has 8 states, 8 states have (on average 76.25) internal successors, (610), 8 states have internal predecessors, (610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:57:16,530 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:57:16,531 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 74 of 159 [2023-08-29 01:57:16,531 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:57:16,648 INFO L130 PetriNetUnfolder]: 186/503 cut-off events. [2023-08-29 01:57:16,648 INFO L131 PetriNetUnfolder]: For 896/917 co-relation queries the response was YES. [2023-08-29 01:57:16,650 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2130 conditions, 503 events. 186/503 cut-off events. For 896/917 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 2397 event pairs, 34 based on Foata normal form. 11/513 useless extension candidates. Maximal degree in co-relation 2108. Up to 321 conditions per place. [2023-08-29 01:57:16,653 INFO L137 encePairwiseOnDemand]: 152/159 looper letters, 106 selfloop transitions, 26 changer transitions 9/153 dead transitions. [2023-08-29 01:57:16,653 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 153 transitions, 1327 flow [2023-08-29 01:57:16,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-08-29 01:57:16,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-08-29 01:57:16,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 572 transitions. [2023-08-29 01:57:16,655 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5139263252470799 [2023-08-29 01:57:16,656 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 572 transitions. [2023-08-29 01:57:16,656 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 572 transitions. [2023-08-29 01:57:16,656 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:57:16,656 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 572 transitions. [2023-08-29 01:57:16,658 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 81.71428571428571) internal successors, (572), 7 states have internal predecessors, (572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:57:16,659 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 159.0) internal successors, (1272), 8 states have internal predecessors, (1272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:57:16,660 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 159.0) internal successors, (1272), 8 states have internal predecessors, (1272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:57:16,660 INFO L175 Difference]: Start difference. First operand has 81 places, 119 transitions, 753 flow. Second operand 7 states and 572 transitions. [2023-08-29 01:57:16,660 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 153 transitions, 1327 flow [2023-08-29 01:57:16,668 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 153 transitions, 1278 flow, removed 15 selfloop flow, removed 4 redundant places. [2023-08-29 01:57:16,670 INFO L231 Difference]: Finished difference. Result has 82 places, 117 transitions, 745 flow [2023-08-29 01:57:16,671 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=159, PETRI_DIFFERENCE_MINUEND_FLOW=700, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=118, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=92, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=745, PETRI_PLACES=82, PETRI_TRANSITIONS=117} [2023-08-29 01:57:16,671 INFO L281 CegarLoopForPetriNet]: 52 programPoint places, 30 predicate places. [2023-08-29 01:57:16,672 INFO L495 AbstractCegarLoop]: Abstraction has has 82 places, 117 transitions, 745 flow [2023-08-29 01:57:16,673 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 76.25) internal successors, (610), 8 states have internal predecessors, (610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:57:16,673 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:57:16,673 INFO L208 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] [2023-08-29 01:57:16,673 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-29 01:57:16,674 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2023-08-29 01:57:16,674 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:57:16,674 INFO L85 PathProgramCache]: Analyzing trace with hash -185853064, now seen corresponding path program 1 times [2023-08-29 01:57:16,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:57:16,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156016497] [2023-08-29 01:57:16,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:57:16,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:57:16,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:57:17,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:57:17,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:57:17,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156016497] [2023-08-29 01:57:17,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156016497] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:57:17,018 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:57:17,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-08-29 01:57:17,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345998122] [2023-08-29 01:57:17,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:57:17,019 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-08-29 01:57:17,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:57:17,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-08-29 01:57:17,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2023-08-29 01:57:17,240 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 80 out of 159 [2023-08-29 01:57:17,241 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 117 transitions, 745 flow. Second operand has 8 states, 8 states have (on average 81.75) internal successors, (654), 8 states have internal predecessors, (654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:57:17,241 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:57:17,241 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 80 of 159 [2023-08-29 01:57:17,241 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:57:17,434 INFO L130 PetriNetUnfolder]: 182/488 cut-off events. [2023-08-29 01:57:17,434 INFO L131 PetriNetUnfolder]: For 830/843 co-relation queries the response was YES. [2023-08-29 01:57:17,436 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2133 conditions, 488 events. 182/488 cut-off events. For 830/843 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 2288 event pairs, 20 based on Foata normal form. 13/500 useless extension candidates. Maximal degree in co-relation 2113. Up to 151 conditions per place. [2023-08-29 01:57:17,438 INFO L137 encePairwiseOnDemand]: 147/159 looper letters, 109 selfloop transitions, 51 changer transitions 7/182 dead transitions. [2023-08-29 01:57:17,438 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 182 transitions, 1512 flow [2023-08-29 01:57:17,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-08-29 01:57:17,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-08-29 01:57:17,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 659 transitions. [2023-08-29 01:57:17,441 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5920934411500449 [2023-08-29 01:57:17,441 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 659 transitions. [2023-08-29 01:57:17,441 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 659 transitions. [2023-08-29 01:57:17,441 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:57:17,442 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 659 transitions. [2023-08-29 01:57:17,443 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 94.14285714285714) internal successors, (659), 7 states have internal predecessors, (659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:57:17,445 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 159.0) internal successors, (1272), 8 states have internal predecessors, (1272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:57:17,445 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 159.0) internal successors, (1272), 8 states have internal predecessors, (1272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:57:17,445 INFO L175 Difference]: Start difference. First operand has 82 places, 117 transitions, 745 flow. Second operand 7 states and 659 transitions. [2023-08-29 01:57:17,446 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 182 transitions, 1512 flow [2023-08-29 01:57:17,452 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 182 transitions, 1354 flow, removed 18 selfloop flow, removed 7 redundant places. [2023-08-29 01:57:17,454 INFO L231 Difference]: Finished difference. Result has 85 places, 124 transitions, 911 flow [2023-08-29 01:57:17,454 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=159, PETRI_DIFFERENCE_MINUEND_FLOW=669, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=45, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=911, PETRI_PLACES=85, PETRI_TRANSITIONS=124} [2023-08-29 01:57:17,455 INFO L281 CegarLoopForPetriNet]: 52 programPoint places, 33 predicate places. [2023-08-29 01:57:17,455 INFO L495 AbstractCegarLoop]: Abstraction has has 85 places, 124 transitions, 911 flow [2023-08-29 01:57:17,456 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 81.75) internal successors, (654), 8 states have internal predecessors, (654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:57:17,456 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:57:17,456 INFO L208 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] [2023-08-29 01:57:17,456 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-08-29 01:57:17,456 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2023-08-29 01:57:17,457 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:57:17,457 INFO L85 PathProgramCache]: Analyzing trace with hash 899386530, now seen corresponding path program 1 times [2023-08-29 01:57:17,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:57:17,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132242686] [2023-08-29 01:57:17,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:57:17,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:57:17,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-29 01:57:17,475 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-29 01:57:17,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-29 01:57:17,504 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-29 01:57:17,504 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-29 01:57:17,505 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (14 of 15 remaining) [2023-08-29 01:57:17,507 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (13 of 15 remaining) [2023-08-29 01:57:17,507 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (12 of 15 remaining) [2023-08-29 01:57:17,507 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (11 of 15 remaining) [2023-08-29 01:57:17,508 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (10 of 15 remaining) [2023-08-29 01:57:17,508 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (9 of 15 remaining) [2023-08-29 01:57:17,508 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2023-08-29 01:57:17,508 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (7 of 15 remaining) [2023-08-29 01:57:17,508 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (6 of 15 remaining) [2023-08-29 01:57:17,508 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (5 of 15 remaining) [2023-08-29 01:57:17,509 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (4 of 15 remaining) [2023-08-29 01:57:17,509 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 15 remaining) [2023-08-29 01:57:17,509 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 15 remaining) [2023-08-29 01:57:17,509 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (1 of 15 remaining) [2023-08-29 01:57:17,509 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (0 of 15 remaining) [2023-08-29 01:57:17,510 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-08-29 01:57:17,510 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:57:17,515 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-29 01:57:17,516 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-29 01:57:17,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 01:57:17 BasicIcfg [2023-08-29 01:57:17,547 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-29 01:57:17,547 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-29 01:57:17,547 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-29 01:57:17,547 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-29 01:57:17,548 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 01:57:10" (3/4) ... [2023-08-29 01:57:17,550 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-08-29 01:57:17,550 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-29 01:57:17,551 INFO L158 Benchmark]: Toolchain (without parser) took 8545.46ms. Allocated memory was 67.1MB in the beginning and 192.9MB in the end (delta: 125.8MB). Free memory was 42.3MB in the beginning and 99.9MB in the end (delta: -57.5MB). Peak memory consumption was 70.0MB. Max. memory is 16.1GB. [2023-08-29 01:57:17,551 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 54.5MB. Free memory is still 32.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 01:57:17,551 INFO L158 Benchmark]: CACSL2BoogieTranslator took 829.22ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 42.1MB in the beginning and 47.9MB in the end (delta: -5.7MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. [2023-08-29 01:57:17,552 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.87ms. Allocated memory is still 81.8MB. Free memory was 47.9MB in the beginning and 45.0MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-29 01:57:17,552 INFO L158 Benchmark]: Boogie Preprocessor took 56.90ms. Allocated memory is still 81.8MB. Free memory was 45.0MB in the beginning and 43.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 01:57:17,552 INFO L158 Benchmark]: RCFGBuilder took 413.69ms. Allocated memory is still 81.8MB. Free memory was 43.3MB in the beginning and 48.9MB in the end (delta: -5.6MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. [2023-08-29 01:57:17,553 INFO L158 Benchmark]: TraceAbstraction took 7163.31ms. Allocated memory was 81.8MB in the beginning and 192.9MB in the end (delta: 111.1MB). Free memory was 48.1MB in the beginning and 99.9MB in the end (delta: -51.7MB). Peak memory consumption was 59.3MB. Max. memory is 16.1GB. [2023-08-29 01:57:17,553 INFO L158 Benchmark]: Witness Printer took 3.12ms. Allocated memory is still 192.9MB. Free memory is still 99.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 01:57:17,554 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 54.5MB. Free memory is still 32.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 829.22ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 42.1MB in the beginning and 47.9MB in the end (delta: -5.7MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.87ms. Allocated memory is still 81.8MB. Free memory was 47.9MB in the beginning and 45.0MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.90ms. Allocated memory is still 81.8MB. Free memory was 45.0MB in the beginning and 43.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 413.69ms. Allocated memory is still 81.8MB. Free memory was 43.3MB in the beginning and 48.9MB in the end (delta: -5.6MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. * TraceAbstraction took 7163.31ms. Allocated memory was 81.8MB in the beginning and 192.9MB in the end (delta: 111.1MB). Free memory was 48.1MB in the beginning and 99.9MB in the end (delta: -51.7MB). Peak memory consumption was 59.3MB. Max. memory is 16.1GB. * Witness Printer took 3.12ms. Allocated memory is still 192.9MB. Free memory is still 99.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.4s, 103 PlacesBefore, 52 PlacesAfterwards, 99 TransitionsBefore, 48 TransitionsAfterwards, 2040 CoEnabledTransitionPairs, 7 FixpointIterations, 39 TrivialSequentialCompositions, 20 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 59 TotalNumberOfCompositions, 15676 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4815, independent: 4167, independent conditional: 0, independent unconditional: 4167, dependent: 648, dependent conditional: 0, dependent unconditional: 648, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 883, independent: 811, independent conditional: 0, independent unconditional: 811, dependent: 72, dependent conditional: 0, dependent unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4815, independent: 3356, independent conditional: 0, independent unconditional: 3356, dependent: 576, dependent conditional: 0, dependent unconditional: 576, unknown: 883, unknown conditional: 0, unknown unconditional: 883] , Statistics on independence cache: Total cache size (in pairs): 278, Positive cache size: 234, Positive conditional cache size: 0, Positive unconditional cache size: 234, Negative cache size: 44, Negative conditional cache size: 0, Negative unconditional cache size: 44, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - DataRaceFoundResult [Line: 1241]: Data race detected Data race detected The following path leads to a data race: [L1223] 0 int *x; [L1224] 0 int *y; [L1225] 0 pthread_mutex_t m = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L1234] 0 pthread_t id; [L1235] 0 x = malloc(sizeof(int)) [L1236] 0 y = malloc(sizeof(int)) [L1237] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, id={5:0}, m={1:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1, x={-3:0}, y={-2:0}] [L1239] EXPR 0 *x VAL [arg={0:0}, id={5:0}, m={1:0}, x={-3:0}, y={-2:0}] [L1239] EXPR 0 \read(*x) VAL [\read(*x)=25, arg={0:0}, id={5:0}, m={1:0}, x={-3:0}, y={-2:0}] [L1239] 0 printf("%d\n",*x) [L1241] EXPR 0 *y VAL [arg={0:0}, arg={0:0}, id={5:0}, m={1:0}, pthread_mutex_lock(&m)=0, x={-3:0}, y={-2:0}] [L1228] EXPR 1 *x VAL [arg={0:0}, arg={0:0}, m={1:0}, x={-3:0}, y={-2:0}] [L1228] 1 *x = 3 VAL [arg={0:0}, arg={0:0}, m={1:0}, x={-3:0}, y={-2:0}] [L1229] EXPR 1 *y VAL [arg={0:0}, arg={0:0}, m={1:0}, x={-3:0}, y={-2:0}] [L1229] 1 *y = 8 VAL [arg={0:0}, arg={0:0}, m={1:0}, x={-3:0}, y={-2:0}] [L1241] EXPR 0 *y VAL [arg={0:0}, arg={0:0}, id={5:0}, m={1:0}, x={-3:0}, y={-2:0}] [L1241] EXPR 0 \read(*y) VAL [\read(*y)=8, arg={0:0}, arg={0:0}, id={5:0}, m={1:0}, x={-3:0}, y={-2:0}] [L1229] 1 *y = 8 VAL [*y = 8=26, arg={0:0}, arg={0:0}, m={1:0}, x={-3:0}, y={-2:0}] [L1241] 0 printf("%d\n",*y) VAL [*y = 8=26, \read(*y)=8, arg={0:0}, arg={0:0}, id={5:0}, m={1:0}, x={-3:0}, y={-2:0}] Now there is a data race, but we were unable to determine exactly which statements and variables are involved. There could be a race between one of the statements * C: *y = 8 [1229] * C: x = malloc(sizeof(int)) [1235] * C: y = malloc(sizeof(int)) [1236] * C: *x = 3 [1228] * C: *x = 3 [1228] * C: *x = 3 [1228] * C: *x = 3 [1228] and C: printf("%d\n",*y) [1241] - UnprovableResult [Line: 1235]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1236]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1239]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1239]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1241]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1237]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 1228]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1228]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1229]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1229]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 133 locations, 15 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 7.0s, OverallIterations: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.5s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 646 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 428 mSDsluCounter, 39 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 224 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1818 IncrementalHoareTripleChecker+Invalid, 2042 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 224 mSolverCounterUnsat, 35 mSDtfsCounter, 1818 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 39 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=911occurred in iteration=10, InterpolantAutomatonStates: 49, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 179 NumberOfCodeBlocks, 179 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 136 ConstructedInterpolants, 0 QuantifiedInterpolants, 996 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2023-08-29 01:57:17,621 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE