./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/goblint-regression/04-mutex_46-escape_nr.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --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/04-mutex_46-escape_nr.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 b71c523f20411078d17c9943b891d34ddfc00131917c4009fb579cdffacef23c --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-29 17:30:03,103 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 17:30:03,105 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 17:30:03,150 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 17:30:03,150 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 17:30:03,153 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 17:30:03,155 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 17:30:03,158 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 17:30:03,160 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 17:30:03,164 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 17:30:03,165 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 17:30:03,168 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 17:30:03,168 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 17:30:03,170 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 17:30:03,171 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 17:30:03,176 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 17:30:03,177 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 17:30:03,178 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 17:30:03,180 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 17:30:03,185 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 17:30:03,192 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 17:30:03,193 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 17:30:03,194 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 17:30:03,195 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 17:30:03,201 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 17:30:03,201 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 17:30:03,201 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 17:30:03,203 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 17:30:03,203 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 17:30:03,204 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 17:30:03,205 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 17:30:03,206 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 17:30:03,208 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 17:30:03,208 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 17:30:03,209 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 17:30:03,209 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 17:30:03,210 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 17:30:03,210 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 17:30:03,210 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 17:30:03,211 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 17:30:03,212 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 17:30:03,213 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 17:30:03,247 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 17:30:03,248 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 17:30:03,249 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 17:30:03,249 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 17:30:03,250 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 17:30:03,250 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 17:30:03,250 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 17:30:03,251 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 17:30:03,251 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 17:30:03,251 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 17:30:03,252 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 17:30:03,252 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 17:30:03,252 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 17:30:03,252 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 17:30:03,253 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 17:30:03,253 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 17:30:03,253 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 17:30:03,253 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 17:30:03,253 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 17:30:03,253 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 17:30:03,254 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 17:30:03,254 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 17:30:03,254 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 17:30:03,254 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 17:30:03,254 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 17:30:03,255 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 17:30:03,255 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 17:30:03,255 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 17:30:03,255 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 17:30:03,255 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 17:30:03,256 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 17:30:03,256 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 17:30:03,256 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 17:30:03,256 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 17:30:03,257 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 17:30:03,257 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 17:30:03,257 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 17:30:03,257 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b71c523f20411078d17c9943b891d34ddfc00131917c4009fb579cdffacef23c Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> TOGETHER [2023-08-29 17:30:03,530 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 17:30:03,548 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 17:30:03,551 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 17:30:03,551 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 17:30:03,552 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 17:30:03,552 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/04-mutex_46-escape_nr.i [2023-08-29 17:30:04,778 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 17:30:05,005 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 17:30:05,013 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/04-mutex_46-escape_nr.i [2023-08-29 17:30:05,032 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/854b9c93f/31e21990048a431cb271d7f91e3c8819/FLAGf3d2fbcff [2023-08-29 17:30:05,042 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/854b9c93f/31e21990048a431cb271d7f91e3c8819 [2023-08-29 17:30:05,044 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 17:30:05,045 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 17:30:05,046 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 17:30:05,046 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 17:30:05,048 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 17:30:05,049 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 05:30:05" (1/1) ... [2023-08-29 17:30:05,050 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e793e4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:30:05, skipping insertion in model container [2023-08-29 17:30:05,050 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 05:30:05" (1/1) ... [2023-08-29 17:30:05,056 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 17:30:05,098 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 17:30:05,507 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 17:30:05,518 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 17:30:05,574 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 17:30:05,640 INFO L208 MainTranslator]: Completed translation [2023-08-29 17:30:05,640 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:30:05 WrapperNode [2023-08-29 17:30:05,640 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 17:30:05,642 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 17:30:05,642 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 17:30:05,642 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 17:30:05,648 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:30:05" (1/1) ... [2023-08-29 17:30:05,676 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:30:05" (1/1) ... [2023-08-29 17:30:05,709 INFO L138 Inliner]: procedures = 263, calls = 27, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 85 [2023-08-29 17:30:05,710 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 17:30:05,711 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 17:30:05,711 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 17:30:05,711 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 17:30:05,718 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:30:05" (1/1) ... [2023-08-29 17:30:05,719 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:30:05" (1/1) ... [2023-08-29 17:30:05,731 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:30:05" (1/1) ... [2023-08-29 17:30:05,731 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:30:05" (1/1) ... [2023-08-29 17:30:05,741 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:30:05" (1/1) ... [2023-08-29 17:30:05,749 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:30:05" (1/1) ... [2023-08-29 17:30:05,754 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:30:05" (1/1) ... [2023-08-29 17:30:05,758 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:30:05" (1/1) ... [2023-08-29 17:30:05,760 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 17:30:05,765 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 17:30:05,765 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 17:30:05,765 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 17:30:05,767 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:30:05" (1/1) ... [2023-08-29 17:30:05,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 17:30:05,783 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 17:30:05,802 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 17:30:05,814 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 17:30:05,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 17:30:05,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 17:30:05,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 17:30:05,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 17:30:05,840 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-29 17:30:05,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 17:30:05,840 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-29 17:30:05,840 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-29 17:30:05,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 17:30:05,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 17:30:05,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 17:30:05,842 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 17:30:06,042 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 17:30:06,045 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 17:30:06,240 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 17:30:06,246 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 17:30:06,247 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-29 17:30:06,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 05:30:06 BoogieIcfgContainer [2023-08-29 17:30:06,248 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 17:30:06,250 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 17:30:06,250 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 17:30:06,253 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 17:30:06,253 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 05:30:05" (1/3) ... [2023-08-29 17:30:06,253 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@612b58be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 05:30:06, skipping insertion in model container [2023-08-29 17:30:06,254 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:30:05" (2/3) ... [2023-08-29 17:30:06,254 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@612b58be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 05:30:06, skipping insertion in model container [2023-08-29 17:30:06,254 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 05:30:06" (3/3) ... [2023-08-29 17:30:06,255 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_46-escape_nr.i [2023-08-29 17:30:06,261 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 17:30:06,269 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 17:30:06,270 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-08-29 17:30:06,270 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 17:30:06,373 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-08-29 17:30:06,404 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 117 places, 114 transitions, 236 flow [2023-08-29 17:30:06,483 INFO L130 PetriNetUnfolder]: 1/113 cut-off events. [2023-08-29 17:30:06,484 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2023-08-29 17:30:06,488 INFO L83 FinitePrefix]: Finished finitePrefix Result has 118 conditions, 113 events. 1/113 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 89 event pairs, 0 based on Foata normal form. 0/106 useless extension candidates. Maximal degree in co-relation 6. Up to 2 conditions per place. [2023-08-29 17:30:06,488 INFO L82 GeneralOperation]: Start removeDead. Operand has 117 places, 114 transitions, 236 flow [2023-08-29 17:30:06,493 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 101 places, 97 transitions, 197 flow [2023-08-29 17:30:06,497 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 17:30:06,505 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 101 places, 97 transitions, 197 flow [2023-08-29 17:30:06,512 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 101 places, 97 transitions, 197 flow [2023-08-29 17:30:06,512 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 101 places, 97 transitions, 197 flow [2023-08-29 17:30:06,530 INFO L130 PetriNetUnfolder]: 0/97 cut-off events. [2023-08-29 17:30:06,531 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 17:30:06,531 INFO L83 FinitePrefix]: Finished finitePrefix Result has 101 conditions, 97 events. 0/97 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 63 event pairs, 0 based on Foata normal form. 0/91 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2023-08-29 17:30:06,534 INFO L119 LiptonReduction]: Number of co-enabled transitions 1612 [2023-08-29 17:30:09,359 INFO L134 LiptonReduction]: Checked pairs total: 11859 [2023-08-29 17:30:09,359 INFO L136 LiptonReduction]: Total number of compositions: 61 [2023-08-29 17:30:09,370 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 17:30:09,376 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;@570df4c0, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 17:30:09,376 INFO L358 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2023-08-29 17:30:09,378 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-29 17:30:09,378 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 17:30:09,378 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:30:09,378 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-29 17:30:09,379 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2023-08-29 17:30:09,383 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:30:09,383 INFO L85 PathProgramCache]: Analyzing trace with hash 350, now seen corresponding path program 1 times [2023-08-29 17:30:09,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:30:09,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20528075] [2023-08-29 17:30:09,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:30:09,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:30:09,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:30:09,466 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 17:30:09,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:30:09,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20528075] [2023-08-29 17:30:09,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20528075] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:30:09,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:30:09,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-29 17:30:09,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527333758] [2023-08-29 17:30:09,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:30:09,476 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-29 17:30:09,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:30:09,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-29 17:30:09,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-29 17:30:09,551 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 175 [2023-08-29 17:30:09,552 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 42 transitions, 87 flow. Second operand has 2 states, 2 states have (on average 112.5) internal successors, (225), 2 states have internal predecessors, (225), 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 17:30:09,553 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:30:09,553 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 175 [2023-08-29 17:30:09,553 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:30:09,603 INFO L130 PetriNetUnfolder]: 25/170 cut-off events. [2023-08-29 17:30:09,603 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 17:30:09,604 INFO L83 FinitePrefix]: Finished finitePrefix Result has 237 conditions, 170 events. 25/170 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 644 event pairs, 25 based on Foata normal form. 0/154 useless extension candidates. Maximal degree in co-relation 228. Up to 63 conditions per place. [2023-08-29 17:30:09,606 INFO L137 encePairwiseOnDemand]: 174/175 looper letters, 12 selfloop transitions, 0 changer transitions 0/41 dead transitions. [2023-08-29 17:30:09,606 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 41 transitions, 109 flow [2023-08-29 17:30:09,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-29 17:30:09,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-29 17:30:09,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 237 transitions. [2023-08-29 17:30:09,617 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6771428571428572 [2023-08-29 17:30:09,618 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 237 transitions. [2023-08-29 17:30:09,618 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 237 transitions. [2023-08-29 17:30:09,619 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:30:09,621 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 237 transitions. [2023-08-29 17:30:09,623 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 118.5) internal successors, (237), 2 states have internal predecessors, (237), 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 17:30:09,627 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 175.0) internal successors, (525), 3 states have internal predecessors, (525), 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 17:30:09,628 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 175.0) internal successors, (525), 3 states have internal predecessors, (525), 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 17:30:09,629 INFO L175 Difference]: Start difference. First operand has 46 places, 42 transitions, 87 flow. Second operand 2 states and 237 transitions. [2023-08-29 17:30:09,630 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 41 transitions, 109 flow [2023-08-29 17:30:09,632 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 41 transitions, 108 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 17:30:09,633 INFO L231 Difference]: Finished difference. Result has 45 places, 41 transitions, 84 flow [2023-08-29 17:30:09,634 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=175, PETRI_DIFFERENCE_MINUEND_FLOW=84, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=84, PETRI_PLACES=45, PETRI_TRANSITIONS=41} [2023-08-29 17:30:09,638 INFO L281 CegarLoopForPetriNet]: 46 programPoint places, -1 predicate places. [2023-08-29 17:30:09,638 INFO L495 AbstractCegarLoop]: Abstraction has has 45 places, 41 transitions, 84 flow [2023-08-29 17:30:09,638 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 112.5) internal successors, (225), 2 states have internal predecessors, (225), 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 17:30:09,638 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:30:09,639 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:30:09,639 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 17:30:09,639 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2023-08-29 17:30:09,640 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:30:09,640 INFO L85 PathProgramCache]: Analyzing trace with hash 1645902891, now seen corresponding path program 1 times [2023-08-29 17:30:09,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:30:09,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110892028] [2023-08-29 17:30:09,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:30:09,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:30:09,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:30:10,148 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 17:30:10,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:30:10,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110892028] [2023-08-29 17:30:10,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [110892028] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:30:10,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:30:10,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 17:30:10,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241839597] [2023-08-29 17:30:10,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:30:10,157 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 17:30:10,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:30:10,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 17:30:10,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 17:30:10,410 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 175 [2023-08-29 17:30:10,411 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 41 transitions, 84 flow. Second operand has 6 states, 6 states have (on average 97.33333333333333) internal successors, (584), 6 states have internal predecessors, (584), 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 17:30:10,411 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:30:10,411 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 175 [2023-08-29 17:30:10,411 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:30:10,583 INFO L130 PetriNetUnfolder]: 126/419 cut-off events. [2023-08-29 17:30:10,584 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 17:30:10,585 INFO L83 FinitePrefix]: Finished finitePrefix Result has 704 conditions, 419 events. 126/419 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 2013 event pairs, 58 based on Foata normal form. 0/390 useless extension candidates. Maximal degree in co-relation 701. Up to 210 conditions per place. [2023-08-29 17:30:10,586 INFO L137 encePairwiseOnDemand]: 164/175 looper letters, 38 selfloop transitions, 22 changer transitions 0/78 dead transitions. [2023-08-29 17:30:10,587 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 78 transitions, 278 flow [2023-08-29 17:30:10,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 17:30:10,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 17:30:10,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 637 transitions. [2023-08-29 17:30:10,590 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6066666666666667 [2023-08-29 17:30:10,590 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 637 transitions. [2023-08-29 17:30:10,590 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 637 transitions. [2023-08-29 17:30:10,591 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:30:10,591 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 637 transitions. [2023-08-29 17:30:10,593 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 106.16666666666667) internal successors, (637), 6 states have internal predecessors, (637), 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 17:30:10,596 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 175.0) internal successors, (1225), 7 states have internal predecessors, (1225), 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 17:30:10,596 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 175.0) internal successors, (1225), 7 states have internal predecessors, (1225), 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 17:30:10,596 INFO L175 Difference]: Start difference. First operand has 45 places, 41 transitions, 84 flow. Second operand 6 states and 637 transitions. [2023-08-29 17:30:10,597 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 78 transitions, 278 flow [2023-08-29 17:30:10,597 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 78 transitions, 278 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 17:30:10,598 INFO L231 Difference]: Finished difference. Result has 55 places, 62 transitions, 234 flow [2023-08-29 17:30:10,599 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=175, PETRI_DIFFERENCE_MINUEND_FLOW=84, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=234, PETRI_PLACES=55, PETRI_TRANSITIONS=62} [2023-08-29 17:30:10,599 INFO L281 CegarLoopForPetriNet]: 46 programPoint places, 9 predicate places. [2023-08-29 17:30:10,600 INFO L495 AbstractCegarLoop]: Abstraction has has 55 places, 62 transitions, 234 flow [2023-08-29 17:30:10,600 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 97.33333333333333) internal successors, (584), 6 states have internal predecessors, (584), 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 17:30:10,600 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:30:10,600 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:30:10,600 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-29 17:30:10,601 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2023-08-29 17:30:10,601 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:30:10,601 INFO L85 PathProgramCache]: Analyzing trace with hash 1254070211, now seen corresponding path program 1 times [2023-08-29 17:30:10,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:30:10,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456060154] [2023-08-29 17:30:10,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:30:10,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:30:10,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:30:10,794 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 17:30:10,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:30:10,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456060154] [2023-08-29 17:30:10,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456060154] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:30:10,796 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:30:10,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 17:30:10,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87555357] [2023-08-29 17:30:10,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:30:10,797 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 17:30:10,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:30:10,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 17:30:10,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 17:30:10,983 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 87 out of 175 [2023-08-29 17:30:10,984 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 62 transitions, 234 flow. Second operand has 6 states, 6 states have (on average 88.33333333333333) internal successors, (530), 6 states have internal predecessors, (530), 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 17:30:10,985 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:30:10,985 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 175 [2023-08-29 17:30:10,985 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:30:11,123 INFO L130 PetriNetUnfolder]: 174/525 cut-off events. [2023-08-29 17:30:11,124 INFO L131 PetriNetUnfolder]: For 116/120 co-relation queries the response was YES. [2023-08-29 17:30:11,126 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1105 conditions, 525 events. 174/525 cut-off events. For 116/120 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 2743 event pairs, 51 based on Foata normal form. 3/501 useless extension candidates. Maximal degree in co-relation 1097. Up to 269 conditions per place. [2023-08-29 17:30:11,128 INFO L137 encePairwiseOnDemand]: 163/175 looper letters, 52 selfloop transitions, 24 changer transitions 0/96 dead transitions. [2023-08-29 17:30:11,128 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 96 transitions, 462 flow [2023-08-29 17:30:11,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 17:30:11,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 17:30:11,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 581 transitions. [2023-08-29 17:30:11,130 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5533333333333333 [2023-08-29 17:30:11,130 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 581 transitions. [2023-08-29 17:30:11,130 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 581 transitions. [2023-08-29 17:30:11,131 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:30:11,131 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 581 transitions. [2023-08-29 17:30:11,132 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 96.83333333333333) internal successors, (581), 6 states have internal predecessors, (581), 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 17:30:11,134 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 175.0) internal successors, (1225), 7 states have internal predecessors, (1225), 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 17:30:11,135 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 175.0) internal successors, (1225), 7 states have internal predecessors, (1225), 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 17:30:11,135 INFO L175 Difference]: Start difference. First operand has 55 places, 62 transitions, 234 flow. Second operand 6 states and 581 transitions. [2023-08-29 17:30:11,135 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 96 transitions, 462 flow [2023-08-29 17:30:11,137 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 96 transitions, 462 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 17:30:11,139 INFO L231 Difference]: Finished difference. Result has 65 places, 81 transitions, 396 flow [2023-08-29 17:30:11,139 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=175, PETRI_DIFFERENCE_MINUEND_FLOW=234, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=396, PETRI_PLACES=65, PETRI_TRANSITIONS=81} [2023-08-29 17:30:11,140 INFO L281 CegarLoopForPetriNet]: 46 programPoint places, 19 predicate places. [2023-08-29 17:30:11,140 INFO L495 AbstractCegarLoop]: Abstraction has has 65 places, 81 transitions, 396 flow [2023-08-29 17:30:11,140 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 88.33333333333333) internal successors, (530), 6 states have internal predecessors, (530), 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 17:30:11,140 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:30:11,141 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:30:11,141 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-29 17:30:11,141 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2023-08-29 17:30:11,142 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:30:11,142 INFO L85 PathProgramCache]: Analyzing trace with hash 1223338078, now seen corresponding path program 1 times [2023-08-29 17:30:11,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:30:11,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480626435] [2023-08-29 17:30:11,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:30:11,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:30:11,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:30:11,340 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 17:30:11,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:30:11,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480626435] [2023-08-29 17:30:11,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1480626435] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:30:11,341 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:30:11,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 17:30:11,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193104994] [2023-08-29 17:30:11,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:30:11,342 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 17:30:11,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:30:11,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 17:30:11,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 17:30:11,454 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 175 [2023-08-29 17:30:11,455 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 81 transitions, 396 flow. Second operand has 6 states, 6 states have (on average 84.16666666666667) internal successors, (505), 6 states have internal predecessors, (505), 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 17:30:11,455 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:30:11,455 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 175 [2023-08-29 17:30:11,455 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:30:11,634 INFO L130 PetriNetUnfolder]: 354/857 cut-off events. [2023-08-29 17:30:11,634 INFO L131 PetriNetUnfolder]: For 580/587 co-relation queries the response was YES. [2023-08-29 17:30:11,637 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2354 conditions, 857 events. 354/857 cut-off events. For 580/587 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 4425 event pairs, 118 based on Foata normal form. 0/814 useless extension candidates. Maximal degree in co-relation 2341. Up to 637 conditions per place. [2023-08-29 17:30:11,640 INFO L137 encePairwiseOnDemand]: 157/175 looper letters, 83 selfloop transitions, 62 changer transitions 0/156 dead transitions. [2023-08-29 17:30:11,640 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 156 transitions, 958 flow [2023-08-29 17:30:11,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 17:30:11,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 17:30:11,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 592 transitions. [2023-08-29 17:30:11,645 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5638095238095238 [2023-08-29 17:30:11,645 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 592 transitions. [2023-08-29 17:30:11,645 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 592 transitions. [2023-08-29 17:30:11,645 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:30:11,646 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 592 transitions. [2023-08-29 17:30:11,647 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 98.66666666666667) internal successors, (592), 6 states have internal predecessors, (592), 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 17:30:11,649 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 175.0) internal successors, (1225), 7 states have internal predecessors, (1225), 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 17:30:11,649 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 175.0) internal successors, (1225), 7 states have internal predecessors, (1225), 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 17:30:11,650 INFO L175 Difference]: Start difference. First operand has 65 places, 81 transitions, 396 flow. Second operand 6 states and 592 transitions. [2023-08-29 17:30:11,650 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 156 transitions, 958 flow [2023-08-29 17:30:11,654 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 156 transitions, 958 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 17:30:11,672 INFO L231 Difference]: Finished difference. Result has 74 places, 140 transitions, 870 flow [2023-08-29 17:30:11,673 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=175, PETRI_DIFFERENCE_MINUEND_FLOW=396, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=870, PETRI_PLACES=74, PETRI_TRANSITIONS=140} [2023-08-29 17:30:11,674 INFO L281 CegarLoopForPetriNet]: 46 programPoint places, 28 predicate places. [2023-08-29 17:30:11,674 INFO L495 AbstractCegarLoop]: Abstraction has has 74 places, 140 transitions, 870 flow [2023-08-29 17:30:11,674 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 84.16666666666667) internal successors, (505), 6 states have internal predecessors, (505), 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 17:30:11,674 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:30:11,675 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:30:11,675 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-29 17:30:11,675 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2023-08-29 17:30:11,675 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:30:11,675 INFO L85 PathProgramCache]: Analyzing trace with hash 553939840, now seen corresponding path program 1 times [2023-08-29 17:30:11,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:30:11,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99426492] [2023-08-29 17:30:11,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:30:11,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:30:11,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:30:11,877 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 17:30:11,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:30:11,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99426492] [2023-08-29 17:30:11,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99426492] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:30:11,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:30:11,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 17:30:11,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238435803] [2023-08-29 17:30:11,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:30:11,879 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 17:30:11,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:30:11,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 17:30:11,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 17:30:11,988 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 78 out of 175 [2023-08-29 17:30:11,988 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 140 transitions, 870 flow. Second operand has 6 states, 6 states have (on average 80.33333333333333) internal successors, (482), 6 states have internal predecessors, (482), 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 17:30:11,988 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:30:11,988 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 78 of 175 [2023-08-29 17:30:11,989 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:30:12,234 INFO L130 PetriNetUnfolder]: 420/987 cut-off events. [2023-08-29 17:30:12,234 INFO L131 PetriNetUnfolder]: For 1240/1267 co-relation queries the response was YES. [2023-08-29 17:30:12,237 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3381 conditions, 987 events. 420/987 cut-off events. For 1240/1267 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 5268 event pairs, 111 based on Foata normal form. 0/947 useless extension candidates. Maximal degree in co-relation 3363. Up to 769 conditions per place. [2023-08-29 17:30:12,242 INFO L137 encePairwiseOnDemand]: 160/175 looper letters, 135 selfloop transitions, 64 changer transitions 0/208 dead transitions. [2023-08-29 17:30:12,242 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 208 transitions, 1631 flow [2023-08-29 17:30:12,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 17:30:12,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 17:30:12,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 554 transitions. [2023-08-29 17:30:12,244 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5276190476190477 [2023-08-29 17:30:12,244 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 554 transitions. [2023-08-29 17:30:12,245 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 554 transitions. [2023-08-29 17:30:12,245 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:30:12,245 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 554 transitions. [2023-08-29 17:30:12,246 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 92.33333333333333) internal successors, (554), 6 states have internal predecessors, (554), 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 17:30:12,249 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 175.0) internal successors, (1225), 7 states have internal predecessors, (1225), 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 17:30:12,250 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 175.0) internal successors, (1225), 7 states have internal predecessors, (1225), 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 17:30:12,250 INFO L175 Difference]: Start difference. First operand has 74 places, 140 transitions, 870 flow. Second operand 6 states and 554 transitions. [2023-08-29 17:30:12,250 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 208 transitions, 1631 flow [2023-08-29 17:30:12,259 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 208 transitions, 1567 flow, removed 32 selfloop flow, removed 0 redundant places. [2023-08-29 17:30:12,264 INFO L231 Difference]: Finished difference. Result has 84 places, 190 transitions, 1408 flow [2023-08-29 17:30:12,264 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=175, PETRI_DIFFERENCE_MINUEND_FLOW=806, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=140, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=103, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1408, PETRI_PLACES=84, PETRI_TRANSITIONS=190} [2023-08-29 17:30:12,266 INFO L281 CegarLoopForPetriNet]: 46 programPoint places, 38 predicate places. [2023-08-29 17:30:12,266 INFO L495 AbstractCegarLoop]: Abstraction has has 84 places, 190 transitions, 1408 flow [2023-08-29 17:30:12,267 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 80.33333333333333) internal successors, (482), 6 states have internal predecessors, (482), 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 17:30:12,267 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:30:12,267 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:30:12,267 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-29 17:30:12,268 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2023-08-29 17:30:12,268 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:30:12,268 INFO L85 PathProgramCache]: Analyzing trace with hash -527842, now seen corresponding path program 1 times [2023-08-29 17:30:12,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:30:12,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451345953] [2023-08-29 17:30:12,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:30:12,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:30:12,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:30:12,327 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 17:30:12,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:30:12,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451345953] [2023-08-29 17:30:12,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1451345953] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:30:12,328 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:30:12,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-29 17:30:12,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176262367] [2023-08-29 17:30:12,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:30:12,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 17:30:12,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:30:12,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 17:30:12,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 17:30:12,345 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 107 out of 175 [2023-08-29 17:30:12,346 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 190 transitions, 1408 flow. Second operand has 3 states, 3 states have (on average 109.0) internal successors, (327), 3 states have internal predecessors, (327), 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 17:30:12,346 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:30:12,346 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 107 of 175 [2023-08-29 17:30:12,346 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:30:12,377 INFO L130 PetriNetUnfolder]: 33/147 cut-off events. [2023-08-29 17:30:12,378 INFO L131 PetriNetUnfolder]: For 188/188 co-relation queries the response was YES. [2023-08-29 17:30:12,378 INFO L83 FinitePrefix]: Finished finitePrefix Result has 504 conditions, 147 events. 33/147 cut-off events. For 188/188 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 427 event pairs, 4 based on Foata normal form. 8/145 useless extension candidates. Maximal degree in co-relation 481. Up to 55 conditions per place. [2023-08-29 17:30:12,379 INFO L137 encePairwiseOnDemand]: 171/175 looper letters, 10 selfloop transitions, 4 changer transitions 0/63 dead transitions. [2023-08-29 17:30:12,379 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 63 transitions, 389 flow [2023-08-29 17:30:12,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 17:30:12,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 17:30:12,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 335 transitions. [2023-08-29 17:30:12,381 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.638095238095238 [2023-08-29 17:30:12,381 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 335 transitions. [2023-08-29 17:30:12,381 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 335 transitions. [2023-08-29 17:30:12,381 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:30:12,381 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 335 transitions. [2023-08-29 17:30:12,382 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 111.66666666666667) internal successors, (335), 3 states have internal predecessors, (335), 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 17:30:12,383 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 175.0) internal successors, (700), 4 states have internal predecessors, (700), 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 17:30:12,383 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 175.0) internal successors, (700), 4 states have internal predecessors, (700), 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 17:30:12,383 INFO L175 Difference]: Start difference. First operand has 84 places, 190 transitions, 1408 flow. Second operand 3 states and 335 transitions. [2023-08-29 17:30:12,384 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 63 transitions, 389 flow [2023-08-29 17:30:12,385 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 63 transitions, 281 flow, removed 32 selfloop flow, removed 20 redundant places. [2023-08-29 17:30:12,387 INFO L231 Difference]: Finished difference. Result has 63 places, 63 transitions, 261 flow [2023-08-29 17:30:12,387 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=175, PETRI_DIFFERENCE_MINUEND_FLOW=253, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=261, PETRI_PLACES=63, PETRI_TRANSITIONS=63} [2023-08-29 17:30:12,387 INFO L281 CegarLoopForPetriNet]: 46 programPoint places, 17 predicate places. [2023-08-29 17:30:12,388 INFO L495 AbstractCegarLoop]: Abstraction has has 63 places, 63 transitions, 261 flow [2023-08-29 17:30:12,388 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 109.0) internal successors, (327), 3 states have internal predecessors, (327), 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 17:30:12,388 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:30:12,388 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] [2023-08-29 17:30:12,388 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-29 17:30:12,389 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2023-08-29 17:30:12,389 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:30:12,389 INFO L85 PathProgramCache]: Analyzing trace with hash -648240403, now seen corresponding path program 1 times [2023-08-29 17:30:12,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:30:12,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580501138] [2023-08-29 17:30:12,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:30:12,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:30:12,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:30:12,577 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 17:30:12,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:30:12,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580501138] [2023-08-29 17:30:12,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580501138] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:30:12,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:30:12,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 17:30:12,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331208021] [2023-08-29 17:30:12,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:30:12,578 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 17:30:12,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:30:12,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 17:30:12,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 17:30:12,751 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 94 out of 175 [2023-08-29 17:30:12,751 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 63 transitions, 261 flow. Second operand has 6 states, 6 states have (on average 96.5) internal successors, (579), 6 states have internal predecessors, (579), 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 17:30:12,751 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:30:12,752 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 94 of 175 [2023-08-29 17:30:12,752 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:30:12,871 INFO L130 PetriNetUnfolder]: 84/255 cut-off events. [2023-08-29 17:30:12,871 INFO L131 PetriNetUnfolder]: For 98/102 co-relation queries the response was YES. [2023-08-29 17:30:12,872 INFO L83 FinitePrefix]: Finished finitePrefix Result has 753 conditions, 255 events. 84/255 cut-off events. For 98/102 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 995 event pairs, 5 based on Foata normal form. 0/244 useless extension candidates. Maximal degree in co-relation 739. Up to 149 conditions per place. [2023-08-29 17:30:12,873 INFO L137 encePairwiseOnDemand]: 165/175 looper letters, 47 selfloop transitions, 25 changer transitions 17/103 dead transitions. [2023-08-29 17:30:12,873 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 103 transitions, 600 flow [2023-08-29 17:30:12,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 17:30:12,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 17:30:12,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 625 transitions. [2023-08-29 17:30:12,875 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5952380952380952 [2023-08-29 17:30:12,875 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 625 transitions. [2023-08-29 17:30:12,875 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 625 transitions. [2023-08-29 17:30:12,876 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:30:12,876 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 625 transitions. [2023-08-29 17:30:12,877 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 104.16666666666667) internal successors, (625), 6 states have internal predecessors, (625), 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 17:30:12,879 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 175.0) internal successors, (1225), 7 states have internal predecessors, (1225), 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 17:30:12,879 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 175.0) internal successors, (1225), 7 states have internal predecessors, (1225), 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 17:30:12,879 INFO L175 Difference]: Start difference. First operand has 63 places, 63 transitions, 261 flow. Second operand 6 states and 625 transitions. [2023-08-29 17:30:12,879 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 103 transitions, 600 flow [2023-08-29 17:30:12,881 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 103 transitions, 588 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 17:30:12,882 INFO L231 Difference]: Finished difference. Result has 72 places, 78 transitions, 438 flow [2023-08-29 17:30:12,883 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=175, PETRI_DIFFERENCE_MINUEND_FLOW=257, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=438, PETRI_PLACES=72, PETRI_TRANSITIONS=78} [2023-08-29 17:30:12,883 INFO L281 CegarLoopForPetriNet]: 46 programPoint places, 26 predicate places. [2023-08-29 17:30:12,883 INFO L495 AbstractCegarLoop]: Abstraction has has 72 places, 78 transitions, 438 flow [2023-08-29 17:30:12,884 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 96.5) internal successors, (579), 6 states have internal predecessors, (579), 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 17:30:12,884 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:30:12,884 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] [2023-08-29 17:30:12,884 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-29 17:30:12,884 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2023-08-29 17:30:12,885 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:30:12,885 INFO L85 PathProgramCache]: Analyzing trace with hash 540606691, now seen corresponding path program 1 times [2023-08-29 17:30:12,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:30:12,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731132074] [2023-08-29 17:30:12,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:30:12,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:30:12,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:30:13,227 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 17:30:13,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:30:13,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731132074] [2023-08-29 17:30:13,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1731132074] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:30:13,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:30:13,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 17:30:13,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624993519] [2023-08-29 17:30:13,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:30:13,228 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-29 17:30:13,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:30:13,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-29 17:30:13,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2023-08-29 17:30:13,623 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 175 [2023-08-29 17:30:13,624 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 78 transitions, 438 flow. Second operand has 11 states, 11 states have (on average 77.36363636363636) internal successors, (851), 11 states have internal predecessors, (851), 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 17:30:13,624 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:30:13,624 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 175 [2023-08-29 17:30:13,624 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:30:13,806 INFO L130 PetriNetUnfolder]: 83/248 cut-off events. [2023-08-29 17:30:13,806 INFO L131 PetriNetUnfolder]: For 371/371 co-relation queries the response was YES. [2023-08-29 17:30:13,807 INFO L83 FinitePrefix]: Finished finitePrefix Result has 925 conditions, 248 events. 83/248 cut-off events. For 371/371 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 942 event pairs, 7 based on Foata normal form. 0/247 useless extension candidates. Maximal degree in co-relation 906. Up to 99 conditions per place. [2023-08-29 17:30:13,808 INFO L137 encePairwiseOnDemand]: 166/175 looper letters, 68 selfloop transitions, 28 changer transitions 0/104 dead transitions. [2023-08-29 17:30:13,808 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 104 transitions, 820 flow [2023-08-29 17:30:13,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-29 17:30:13,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-29 17:30:13,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 726 transitions. [2023-08-29 17:30:13,810 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46095238095238095 [2023-08-29 17:30:13,810 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 726 transitions. [2023-08-29 17:30:13,810 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 726 transitions. [2023-08-29 17:30:13,811 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:30:13,811 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 726 transitions. [2023-08-29 17:30:13,812 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 80.66666666666667) internal successors, (726), 9 states have internal predecessors, (726), 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 17:30:13,814 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 175.0) internal successors, (1750), 10 states have internal predecessors, (1750), 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 17:30:13,815 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 175.0) internal successors, (1750), 10 states have internal predecessors, (1750), 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 17:30:13,815 INFO L175 Difference]: Start difference. First operand has 72 places, 78 transitions, 438 flow. Second operand 9 states and 726 transitions. [2023-08-29 17:30:13,815 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 104 transitions, 820 flow [2023-08-29 17:30:13,818 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 104 transitions, 744 flow, removed 35 selfloop flow, removed 6 redundant places. [2023-08-29 17:30:13,819 INFO L231 Difference]: Finished difference. Result has 70 places, 77 transitions, 444 flow [2023-08-29 17:30:13,819 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=175, PETRI_DIFFERENCE_MINUEND_FLOW=388, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=444, PETRI_PLACES=70, PETRI_TRANSITIONS=77} [2023-08-29 17:30:13,820 INFO L281 CegarLoopForPetriNet]: 46 programPoint places, 24 predicate places. [2023-08-29 17:30:13,820 INFO L495 AbstractCegarLoop]: Abstraction has has 70 places, 77 transitions, 444 flow [2023-08-29 17:30:13,821 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 77.36363636363636) internal successors, (851), 11 states have internal predecessors, (851), 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 17:30:13,821 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:30:13,821 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] [2023-08-29 17:30:13,821 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-29 17:30:13,821 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2023-08-29 17:30:13,821 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:30:13,821 INFO L85 PathProgramCache]: Analyzing trace with hash 1194834254, now seen corresponding path program 1 times [2023-08-29 17:30:13,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:30:13,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144358769] [2023-08-29 17:30:13,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:30:13,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:30:13,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:30:14,237 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 17:30:14,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:30:14,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144358769] [2023-08-29 17:30:14,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144358769] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:30:14,238 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:30:14,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 17:30:14,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380553619] [2023-08-29 17:30:14,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:30:14,239 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-29 17:30:14,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:30:14,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-29 17:30:14,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2023-08-29 17:30:14,784 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 175 [2023-08-29 17:30:14,785 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 77 transitions, 444 flow. Second operand has 11 states, 11 states have (on average 91.63636363636364) internal successors, (1008), 11 states have internal predecessors, (1008), 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 17:30:14,785 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:30:14,785 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 175 [2023-08-29 17:30:14,785 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:30:15,045 INFO L130 PetriNetUnfolder]: 82/262 cut-off events. [2023-08-29 17:30:15,046 INFO L131 PetriNetUnfolder]: For 327/327 co-relation queries the response was YES. [2023-08-29 17:30:15,047 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1027 conditions, 262 events. 82/262 cut-off events. For 327/327 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1102 event pairs, 7 based on Foata normal form. 6/267 useless extension candidates. Maximal degree in co-relation 1011. Up to 130 conditions per place. [2023-08-29 17:30:15,048 INFO L137 encePairwiseOnDemand]: 162/175 looper letters, 43 selfloop transitions, 25 changer transitions 22/103 dead transitions. [2023-08-29 17:30:15,048 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 103 transitions, 758 flow [2023-08-29 17:30:15,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-29 17:30:15,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-29 17:30:15,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 879 transitions. [2023-08-29 17:30:15,051 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5580952380952381 [2023-08-29 17:30:15,051 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 879 transitions. [2023-08-29 17:30:15,051 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 879 transitions. [2023-08-29 17:30:15,051 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:30:15,052 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 879 transitions. [2023-08-29 17:30:15,054 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 97.66666666666667) internal successors, (879), 9 states have internal predecessors, (879), 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 17:30:15,056 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 175.0) internal successors, (1750), 10 states have internal predecessors, (1750), 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 17:30:15,056 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 175.0) internal successors, (1750), 10 states have internal predecessors, (1750), 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 17:30:15,056 INFO L175 Difference]: Start difference. First operand has 70 places, 77 transitions, 444 flow. Second operand 9 states and 879 transitions. [2023-08-29 17:30:15,057 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 103 transitions, 758 flow [2023-08-29 17:30:15,059 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 103 transitions, 674 flow, removed 0 selfloop flow, removed 8 redundant places. [2023-08-29 17:30:15,061 INFO L231 Difference]: Finished difference. Result has 72 places, 74 transitions, 428 flow [2023-08-29 17:30:15,061 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=175, PETRI_DIFFERENCE_MINUEND_FLOW=388, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=428, PETRI_PLACES=72, PETRI_TRANSITIONS=74} [2023-08-29 17:30:15,062 INFO L281 CegarLoopForPetriNet]: 46 programPoint places, 26 predicate places. [2023-08-29 17:30:15,062 INFO L495 AbstractCegarLoop]: Abstraction has has 72 places, 74 transitions, 428 flow [2023-08-29 17:30:15,062 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 91.63636363636364) internal successors, (1008), 11 states have internal predecessors, (1008), 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 17:30:15,063 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:30:15,063 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] [2023-08-29 17:30:15,063 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-29 17:30:15,064 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2023-08-29 17:30:15,064 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:30:15,065 INFO L85 PathProgramCache]: Analyzing trace with hash 123178922, now seen corresponding path program 2 times [2023-08-29 17:30:15,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:30:15,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083394116] [2023-08-29 17:30:15,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:30:15,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:30:15,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:30:15,415 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 17:30:15,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:30:15,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083394116] [2023-08-29 17:30:15,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1083394116] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:30:15,416 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:30:15,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 17:30:15,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350612119] [2023-08-29 17:30:15,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:30:15,417 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-29 17:30:15,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:30:15,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-29 17:30:15,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2023-08-29 17:30:15,900 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 175 [2023-08-29 17:30:15,901 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 74 transitions, 428 flow. Second operand has 11 states, 11 states have (on average 91.63636363636364) internal successors, (1008), 11 states have internal predecessors, (1008), 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 17:30:15,901 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:30:15,901 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 175 [2023-08-29 17:30:15,901 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:30:16,091 INFO L130 PetriNetUnfolder]: 89/271 cut-off events. [2023-08-29 17:30:16,091 INFO L131 PetriNetUnfolder]: For 336/336 co-relation queries the response was YES. [2023-08-29 17:30:16,092 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1046 conditions, 271 events. 89/271 cut-off events. For 336/336 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1126 event pairs, 6 based on Foata normal form. 10/280 useless extension candidates. Maximal degree in co-relation 1028. Up to 104 conditions per place. [2023-08-29 17:30:16,093 INFO L137 encePairwiseOnDemand]: 167/175 looper letters, 44 selfloop transitions, 3 changer transitions 79/139 dead transitions. [2023-08-29 17:30:16,093 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 139 transitions, 1081 flow [2023-08-29 17:30:16,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-29 17:30:16,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-29 17:30:16,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 869 transitions. [2023-08-29 17:30:16,096 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5517460317460318 [2023-08-29 17:30:16,096 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 869 transitions. [2023-08-29 17:30:16,096 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 869 transitions. [2023-08-29 17:30:16,096 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:30:16,097 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 869 transitions. [2023-08-29 17:30:16,098 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 96.55555555555556) internal successors, (869), 9 states have internal predecessors, (869), 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 17:30:16,100 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 175.0) internal successors, (1750), 10 states have internal predecessors, (1750), 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 17:30:16,100 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 175.0) internal successors, (1750), 10 states have internal predecessors, (1750), 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 17:30:16,101 INFO L175 Difference]: Start difference. First operand has 72 places, 74 transitions, 428 flow. Second operand 9 states and 869 transitions. [2023-08-29 17:30:16,101 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 139 transitions, 1081 flow [2023-08-29 17:30:16,104 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 139 transitions, 976 flow, removed 4 selfloop flow, removed 9 redundant places. [2023-08-29 17:30:16,107 INFO L231 Difference]: Finished difference. Result has 74 places, 58 transitions, 301 flow [2023-08-29 17:30:16,108 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=175, PETRI_DIFFERENCE_MINUEND_FLOW=350, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=301, PETRI_PLACES=74, PETRI_TRANSITIONS=58} [2023-08-29 17:30:16,108 INFO L281 CegarLoopForPetriNet]: 46 programPoint places, 28 predicate places. [2023-08-29 17:30:16,108 INFO L495 AbstractCegarLoop]: Abstraction has has 74 places, 58 transitions, 301 flow [2023-08-29 17:30:16,109 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 91.63636363636364) internal successors, (1008), 11 states have internal predecessors, (1008), 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 17:30:16,109 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:30:16,109 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] [2023-08-29 17:30:16,109 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-08-29 17:30:16,109 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2023-08-29 17:30:16,110 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:30:16,110 INFO L85 PathProgramCache]: Analyzing trace with hash -597060322, now seen corresponding path program 3 times [2023-08-29 17:30:16,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:30:16,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575702155] [2023-08-29 17:30:16,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:30:16,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:30:16,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:30:16,500 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 17:30:16,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:30:16,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575702155] [2023-08-29 17:30:16,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575702155] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:30:16,500 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:30:16,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 17:30:16,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821518314] [2023-08-29 17:30:16,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:30:16,501 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-29 17:30:16,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:30:16,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-29 17:30:16,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2023-08-29 17:30:17,051 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 175 [2023-08-29 17:30:17,052 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 58 transitions, 301 flow. Second operand has 11 states, 11 states have (on average 91.63636363636364) internal successors, (1008), 11 states have internal predecessors, (1008), 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 17:30:17,052 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:30:17,052 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 175 [2023-08-29 17:30:17,052 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:30:17,302 INFO L130 PetriNetUnfolder]: 46/170 cut-off events. [2023-08-29 17:30:17,302 INFO L131 PetriNetUnfolder]: For 260/261 co-relation queries the response was YES. [2023-08-29 17:30:17,303 INFO L83 FinitePrefix]: Finished finitePrefix Result has 637 conditions, 170 events. 46/170 cut-off events. For 260/261 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 521 event pairs, 5 based on Foata normal form. 10/180 useless extension candidates. Maximal degree in co-relation 615. Up to 94 conditions per place. [2023-08-29 17:30:17,304 INFO L137 encePairwiseOnDemand]: 166/175 looper letters, 39 selfloop transitions, 10 changer transitions 27/89 dead transitions. [2023-08-29 17:30:17,304 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 89 transitions, 637 flow [2023-08-29 17:30:17,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-29 17:30:17,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-29 17:30:17,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 952 transitions. [2023-08-29 17:30:17,307 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.544 [2023-08-29 17:30:17,307 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 952 transitions. [2023-08-29 17:30:17,307 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 952 transitions. [2023-08-29 17:30:17,308 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:30:17,308 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 952 transitions. [2023-08-29 17:30:17,310 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 95.2) internal successors, (952), 10 states have internal predecessors, (952), 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 17:30:17,312 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 175.0) internal successors, (1925), 11 states have internal predecessors, (1925), 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 17:30:17,312 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 175.0) internal successors, (1925), 11 states have internal predecessors, (1925), 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 17:30:17,313 INFO L175 Difference]: Start difference. First operand has 74 places, 58 transitions, 301 flow. Second operand 10 states and 952 transitions. [2023-08-29 17:30:17,313 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 89 transitions, 637 flow [2023-08-29 17:30:17,315 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 89 transitions, 556 flow, removed 32 selfloop flow, removed 9 redundant places. [2023-08-29 17:30:17,316 INFO L231 Difference]: Finished difference. Result has 73 places, 58 transitions, 280 flow [2023-08-29 17:30:17,317 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=175, PETRI_DIFFERENCE_MINUEND_FLOW=243, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=280, PETRI_PLACES=73, PETRI_TRANSITIONS=58} [2023-08-29 17:30:17,317 INFO L281 CegarLoopForPetriNet]: 46 programPoint places, 27 predicate places. [2023-08-29 17:30:17,317 INFO L495 AbstractCegarLoop]: Abstraction has has 73 places, 58 transitions, 280 flow [2023-08-29 17:30:17,318 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 91.63636363636364) internal successors, (1008), 11 states have internal predecessors, (1008), 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 17:30:17,318 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:30:17,318 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] [2023-08-29 17:30:17,318 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-08-29 17:30:17,318 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2023-08-29 17:30:17,319 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:30:17,319 INFO L85 PathProgramCache]: Analyzing trace with hash 885632616, now seen corresponding path program 4 times [2023-08-29 17:30:17,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:30:17,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190465455] [2023-08-29 17:30:17,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:30:17,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:30:17,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:30:17,699 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 17:30:17,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:30:17,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190465455] [2023-08-29 17:30:17,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190465455] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:30:17,700 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:30:17,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 17:30:17,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516162548] [2023-08-29 17:30:17,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:30:17,700 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-29 17:30:17,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:30:17,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-29 17:30:17,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2023-08-29 17:30:18,227 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 175 [2023-08-29 17:30:18,228 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 58 transitions, 280 flow. Second operand has 11 states, 11 states have (on average 91.63636363636364) internal successors, (1008), 11 states have internal predecessors, (1008), 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 17:30:18,228 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:30:18,228 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 175 [2023-08-29 17:30:18,228 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:30:18,450 INFO L130 PetriNetUnfolder]: 56/192 cut-off events. [2023-08-29 17:30:18,451 INFO L131 PetriNetUnfolder]: For 247/248 co-relation queries the response was YES. [2023-08-29 17:30:18,451 INFO L83 FinitePrefix]: Finished finitePrefix Result has 704 conditions, 192 events. 56/192 cut-off events. For 247/248 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 649 event pairs, 7 based on Foata normal form. 10/200 useless extension candidates. Maximal degree in co-relation 685. Up to 77 conditions per place. [2023-08-29 17:30:18,452 INFO L137 encePairwiseOnDemand]: 167/175 looper letters, 35 selfloop transitions, 4 changer transitions 56/108 dead transitions. [2023-08-29 17:30:18,452 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 108 transitions, 768 flow [2023-08-29 17:30:18,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-29 17:30:18,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-29 17:30:18,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 862 transitions. [2023-08-29 17:30:18,455 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5473015873015873 [2023-08-29 17:30:18,455 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 862 transitions. [2023-08-29 17:30:18,455 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 862 transitions. [2023-08-29 17:30:18,455 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:30:18,455 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 862 transitions. [2023-08-29 17:30:18,457 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 95.77777777777777) internal successors, (862), 9 states have internal predecessors, (862), 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 17:30:18,459 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 175.0) internal successors, (1750), 10 states have internal predecessors, (1750), 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 17:30:18,460 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 175.0) internal successors, (1750), 10 states have internal predecessors, (1750), 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 17:30:18,460 INFO L175 Difference]: Start difference. First operand has 73 places, 58 transitions, 280 flow. Second operand 9 states and 862 transitions. [2023-08-29 17:30:18,460 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 108 transitions, 768 flow [2023-08-29 17:30:18,462 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 108 transitions, 710 flow, removed 11 selfloop flow, removed 9 redundant places. [2023-08-29 17:30:18,463 INFO L231 Difference]: Finished difference. Result has 74 places, 52 transitions, 252 flow [2023-08-29 17:30:18,464 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=175, PETRI_DIFFERENCE_MINUEND_FLOW=248, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=252, PETRI_PLACES=74, PETRI_TRANSITIONS=52} [2023-08-29 17:30:18,465 INFO L281 CegarLoopForPetriNet]: 46 programPoint places, 28 predicate places. [2023-08-29 17:30:18,465 INFO L495 AbstractCegarLoop]: Abstraction has has 74 places, 52 transitions, 252 flow [2023-08-29 17:30:18,465 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 91.63636363636364) internal successors, (1008), 11 states have internal predecessors, (1008), 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 17:30:18,465 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:30:18,466 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] [2023-08-29 17:30:18,466 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-08-29 17:30:18,466 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2023-08-29 17:30:18,466 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:30:18,467 INFO L85 PathProgramCache]: Analyzing trace with hash -1468628996, now seen corresponding path program 5 times [2023-08-29 17:30:18,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:30:18,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73439629] [2023-08-29 17:30:18,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:30:18,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:30:18,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:30:18,855 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 17:30:18,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:30:18,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73439629] [2023-08-29 17:30:18,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [73439629] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:30:18,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:30:18,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-29 17:30:18,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235026267] [2023-08-29 17:30:18,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:30:18,857 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-29 17:30:18,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:30:18,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-29 17:30:18,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2023-08-29 17:30:19,339 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 175 [2023-08-29 17:30:19,340 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 52 transitions, 252 flow. Second operand has 11 states, 11 states have (on average 91.63636363636364) internal successors, (1008), 11 states have internal predecessors, (1008), 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 17:30:19,340 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:30:19,340 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 175 [2023-08-29 17:30:19,340 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:30:19,528 INFO L130 PetriNetUnfolder]: 18/86 cut-off events. [2023-08-29 17:30:19,528 INFO L131 PetriNetUnfolder]: For 145/147 co-relation queries the response was YES. [2023-08-29 17:30:19,528 INFO L83 FinitePrefix]: Finished finitePrefix Result has 313 conditions, 86 events. 18/86 cut-off events. For 145/147 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 148 event pairs, 0 based on Foata normal form. 12/98 useless extension candidates. Maximal degree in co-relation 292. Up to 23 conditions per place. [2023-08-29 17:30:19,529 INFO L137 encePairwiseOnDemand]: 167/175 looper letters, 0 selfloop transitions, 0 changer transitions 71/71 dead transitions. [2023-08-29 17:30:19,529 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 71 transitions, 479 flow [2023-08-29 17:30:19,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-29 17:30:19,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-29 17:30:19,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 851 transitions. [2023-08-29 17:30:19,535 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5403174603174603 [2023-08-29 17:30:19,535 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 851 transitions. [2023-08-29 17:30:19,535 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 851 transitions. [2023-08-29 17:30:19,536 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:30:19,536 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 851 transitions. [2023-08-29 17:30:19,538 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 94.55555555555556) internal successors, (851), 9 states have internal predecessors, (851), 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 17:30:19,541 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 175.0) internal successors, (1750), 10 states have internal predecessors, (1750), 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 17:30:19,541 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 175.0) internal successors, (1750), 10 states have internal predecessors, (1750), 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 17:30:19,541 INFO L175 Difference]: Start difference. First operand has 74 places, 52 transitions, 252 flow. Second operand 9 states and 851 transitions. [2023-08-29 17:30:19,541 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 71 transitions, 479 flow [2023-08-29 17:30:19,543 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 71 transitions, 407 flow, removed 24 selfloop flow, removed 11 redundant places. [2023-08-29 17:30:19,544 INFO L231 Difference]: Finished difference. Result has 67 places, 0 transitions, 0 flow [2023-08-29 17:30:19,544 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=175, PETRI_DIFFERENCE_MINUEND_FLOW=196, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=0, PETRI_PLACES=67, PETRI_TRANSITIONS=0} [2023-08-29 17:30:19,545 INFO L281 CegarLoopForPetriNet]: 46 programPoint places, 21 predicate places. [2023-08-29 17:30:19,545 INFO L495 AbstractCegarLoop]: Abstraction has has 67 places, 0 transitions, 0 flow [2023-08-29 17:30:19,546 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 91.63636363636364) internal successors, (1008), 11 states have internal predecessors, (1008), 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 17:30:19,551 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (8 of 9 remaining) [2023-08-29 17:30:19,552 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (7 of 9 remaining) [2023-08-29 17:30:19,552 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (6 of 9 remaining) [2023-08-29 17:30:19,552 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (5 of 9 remaining) [2023-08-29 17:30:19,552 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 9 remaining) [2023-08-29 17:30:19,553 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 9 remaining) [2023-08-29 17:30:19,553 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 9 remaining) [2023-08-29 17:30:19,553 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 9 remaining) [2023-08-29 17:30:19,553 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 9 remaining) [2023-08-29 17:30:19,553 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-08-29 17:30:19,554 INFO L445 BasicCegarLoop]: Path program histogram: [5, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:30:19,559 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-29 17:30:19,559 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-29 17:30:19,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 05:30:19 BasicIcfg [2023-08-29 17:30:19,570 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-29 17:30:19,570 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-29 17:30:19,570 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-29 17:30:19,571 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-29 17:30:19,571 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 05:30:06" (3/4) ... [2023-08-29 17:30:19,573 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-29 17:30:19,578 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2023-08-29 17:30:19,584 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-08-29 17:30:19,584 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-08-29 17:30:19,584 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-29 17:30:19,618 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-29 17:30:19,619 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-29 17:30:19,619 INFO L158 Benchmark]: Toolchain (without parser) took 14574.19ms. Allocated memory was 73.4MB in the beginning and 243.3MB in the end (delta: 169.9MB). Free memory was 48.7MB in the beginning and 214.4MB in the end (delta: -165.6MB). Peak memory consumption was 2.5MB. Max. memory is 16.1GB. [2023-08-29 17:30:19,619 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 60.8MB. Free memory is still 38.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 17:30:19,620 INFO L158 Benchmark]: CACSL2BoogieTranslator took 594.61ms. Allocated memory is still 73.4MB. Free memory was 48.6MB in the beginning and 37.7MB in the end (delta: 10.8MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. [2023-08-29 17:30:19,620 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.66ms. Allocated memory is still 73.4MB. Free memory was 37.7MB in the beginning and 35.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 17:30:19,620 INFO L158 Benchmark]: Boogie Preprocessor took 53.21ms. Allocated memory is still 73.4MB. Free memory was 35.3MB in the beginning and 33.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 17:30:19,621 INFO L158 Benchmark]: RCFGBuilder took 483.96ms. Allocated memory is still 73.4MB. Free memory was 33.2MB in the beginning and 40.7MB in the end (delta: -7.5MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. [2023-08-29 17:30:19,621 INFO L158 Benchmark]: TraceAbstraction took 13319.70ms. Allocated memory was 73.4MB in the beginning and 243.3MB in the end (delta: 169.9MB). Free memory was 40.0MB in the beginning and 217.5MB in the end (delta: -177.5MB). Peak memory consumption was 110.6MB. Max. memory is 16.1GB. [2023-08-29 17:30:19,621 INFO L158 Benchmark]: Witness Printer took 48.55ms. Allocated memory is still 243.3MB. Free memory was 217.5MB in the beginning and 214.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 17:30:19,623 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 60.8MB. Free memory is still 38.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 594.61ms. Allocated memory is still 73.4MB. Free memory was 48.6MB in the beginning and 37.7MB in the end (delta: 10.8MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.66ms. Allocated memory is still 73.4MB. Free memory was 37.7MB in the beginning and 35.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.21ms. Allocated memory is still 73.4MB. Free memory was 35.3MB in the beginning and 33.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 483.96ms. Allocated memory is still 73.4MB. Free memory was 33.2MB in the beginning and 40.7MB in the end (delta: -7.5MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. * TraceAbstraction took 13319.70ms. Allocated memory was 73.4MB in the beginning and 243.3MB in the end (delta: 169.9MB). Free memory was 40.0MB in the beginning and 217.5MB in the end (delta: -177.5MB). Peak memory consumption was 110.6MB. Max. memory is 16.1GB. * Witness Printer took 48.55ms. Allocated memory is still 243.3MB. Free memory was 217.5MB in the beginning and 214.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.8s, 101 PlacesBefore, 46 PlacesAfterwards, 97 TransitionsBefore, 42 TransitionsAfterwards, 1612 CoEnabledTransitionPairs, 7 FixpointIterations, 43 TrivialSequentialCompositions, 18 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 61 TotalNumberOfCompositions, 11859 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2002, independent: 1434, independent conditional: 0, independent unconditional: 1434, dependent: 568, dependent conditional: 0, dependent unconditional: 568, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 642, independent: 570, independent conditional: 0, independent unconditional: 570, dependent: 72, dependent conditional: 0, dependent unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2002, independent: 864, independent conditional: 0, independent unconditional: 864, dependent: 496, dependent conditional: 0, dependent unconditional: 496, unknown: 642, unknown conditional: 0, unknown unconditional: 642] , Statistics on independence cache: Total cache size (in pairs): 126, Positive cache size: 76, Positive conditional cache size: 0, Positive unconditional cache size: 76, Negative cache size: 50, Negative conditional cache size: 0, Negative unconditional cache size: 50, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 931]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 936]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 936]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 938]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 924]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 924]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 142 locations, 9 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: 13.2s, OverallIterations: 13, TraceHistogramMax: 1, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.0s, AutomataDifference: 6.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2800 SdHoareTripleChecker+Valid, 4.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2059 mSDsluCounter, 1021 SdHoareTripleChecker+Invalid, 4.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 907 mSDsCounter, 712 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8085 IncrementalHoareTripleChecker+Invalid, 8797 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 712 mSolverCounterUnsat, 114 mSDtfsCounter, 8085 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 131 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1408occurred in iteration=5, InterpolantAutomatonStates: 90, 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, 3.4s InterpolantComputationTime, 275 NumberOfCodeBlocks, 275 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 262 ConstructedInterpolants, 0 QuantifiedInterpolants, 3042 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-29 17:30:19,654 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE