./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_18-first-reads_true.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations BEFORE --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/13-privatized_18-first-reads_true.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 3427cff38b27502f1724e7992c2bbd22dfeaf576101e50c5b78d18afb7a0563f --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations BEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-31 20:38:43,170 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-31 20:38:43,172 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-31 20:38:43,204 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-31 20:38:43,205 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-31 20:38:43,206 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-31 20:38:43,208 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-31 20:38:43,211 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-31 20:38:43,213 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-31 20:38:43,214 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-31 20:38:43,216 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-31 20:38:43,217 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-31 20:38:43,218 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-31 20:38:43,221 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-31 20:38:43,222 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-31 20:38:43,224 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-31 20:38:43,225 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-31 20:38:43,229 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-31 20:38:43,231 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-31 20:38:43,234 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-31 20:38:43,250 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-31 20:38:43,251 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-31 20:38:43,252 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-31 20:38:43,253 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-31 20:38:43,255 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-31 20:38:43,255 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-31 20:38:43,256 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-31 20:38:43,256 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-31 20:38:43,257 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-31 20:38:43,257 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-31 20:38:43,258 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-31 20:38:43,258 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-31 20:38:43,259 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-31 20:38:43,260 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-31 20:38:43,260 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-31 20:38:43,261 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-31 20:38:43,261 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-31 20:38:43,261 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-31 20:38:43,262 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-31 20:38:43,262 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-31 20:38:43,267 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-31 20:38:43,269 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-31 20:38:43,304 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-31 20:38:43,304 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-31 20:38:43,306 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-31 20:38:43,306 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-31 20:38:43,307 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-31 20:38:43,307 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-31 20:38:43,307 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-31 20:38:43,308 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-31 20:38:43,308 INFO L138 SettingsManager]: * Use SBE=true [2023-08-31 20:38:43,308 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-31 20:38:43,309 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-31 20:38:43,309 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-31 20:38:43,309 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-31 20:38:43,309 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-31 20:38:43,310 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-31 20:38:43,310 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-31 20:38:43,310 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-31 20:38:43,310 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-31 20:38:43,310 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-31 20:38:43,311 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-31 20:38:43,311 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-31 20:38:43,311 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-31 20:38:43,311 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-31 20:38:43,311 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-31 20:38:43,312 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-31 20:38:43,312 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-31 20:38:43,312 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-31 20:38:43,312 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-31 20:38:43,312 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-31 20:38:43,313 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-31 20:38:43,313 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-31 20:38:43,313 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-31 20:38:43,313 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-31 20:38:43,314 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-31 20:38:43,314 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-31 20:38:43,314 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-31 20:38:43,314 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-31 20:38:43,314 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3427cff38b27502f1724e7992c2bbd22dfeaf576101e50c5b78d18afb7a0563f Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> BEFORE [2023-08-31 20:38:43,633 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-31 20:38:43,650 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-31 20:38:43,653 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-31 20:38:43,654 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-31 20:38:43,654 INFO L275 PluginConnector]: CDTParser initialized [2023-08-31 20:38:43,656 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_18-first-reads_true.i [2023-08-31 20:38:44,876 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-31 20:38:45,114 INFO L351 CDTParser]: Found 1 translation units. [2023-08-31 20:38:45,115 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_18-first-reads_true.i [2023-08-31 20:38:45,131 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69fa8a845/62923ecb2ad64e229a29d02ea1d3f180/FLAG1cd422114 [2023-08-31 20:38:45,142 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69fa8a845/62923ecb2ad64e229a29d02ea1d3f180 [2023-08-31 20:38:45,144 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-31 20:38:45,145 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-31 20:38:45,146 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-31 20:38:45,146 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-31 20:38:45,149 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-31 20:38:45,149 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 08:38:45" (1/1) ... [2023-08-31 20:38:45,154 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e4e68ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 08:38:45, skipping insertion in model container [2023-08-31 20:38:45,154 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 08:38:45" (1/1) ... [2023-08-31 20:38:45,158 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-31 20:38:45,204 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-31 20:38:45,320 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_18-first-reads_true.i[1088,1101] [2023-08-31 20:38:45,455 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-31 20:38:45,468 INFO L203 MainTranslator]: Completed pre-run [2023-08-31 20:38:45,482 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_18-first-reads_true.i[1088,1101] [2023-08-31 20:38:45,523 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-31 20:38:45,576 INFO L208 MainTranslator]: Completed translation [2023-08-31 20:38:45,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 08:38:45 WrapperNode [2023-08-31 20:38:45,577 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-31 20:38:45,578 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-31 20:38:45,578 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-31 20:38:45,578 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-31 20:38:45,585 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 08:38:45" (1/1) ... [2023-08-31 20:38:45,607 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 08:38:45" (1/1) ... [2023-08-31 20:38:45,632 INFO L138 Inliner]: procedures = 163, calls = 22, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 57 [2023-08-31 20:38:45,632 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-31 20:38:45,634 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-31 20:38:45,634 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-31 20:38:45,634 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-31 20:38:45,642 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 08:38:45" (1/1) ... [2023-08-31 20:38:45,642 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 08:38:45" (1/1) ... [2023-08-31 20:38:45,650 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 08:38:45" (1/1) ... [2023-08-31 20:38:45,652 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 08:38:45" (1/1) ... [2023-08-31 20:38:45,663 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 08:38:45" (1/1) ... [2023-08-31 20:38:45,671 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 08:38:45" (1/1) ... [2023-08-31 20:38:45,673 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 08:38:45" (1/1) ... [2023-08-31 20:38:45,679 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 08:38:45" (1/1) ... [2023-08-31 20:38:45,681 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-31 20:38:45,690 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-31 20:38:45,690 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-31 20:38:45,690 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-31 20:38:45,691 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 08:38:45" (1/1) ... [2023-08-31 20:38:45,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-31 20:38:45,709 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-31 20:38:45,730 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) [2023-08-31 20:38:45,755 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 [2023-08-31 20:38:45,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-31 20:38:45,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-31 20:38:45,769 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-31 20:38:45,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-31 20:38:45,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-31 20:38:45,770 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-31 20:38:45,770 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-31 20:38:45,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-31 20:38:45,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-31 20:38:45,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-31 20:38:45,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-31 20:38:45,771 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-31 20:38:45,902 INFO L236 CfgBuilder]: Building ICFG [2023-08-31 20:38:45,904 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-31 20:38:46,134 INFO L277 CfgBuilder]: Performing block encoding [2023-08-31 20:38:46,140 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-31 20:38:46,140 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-31 20:38:46,142 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 08:38:46 BoogieIcfgContainer [2023-08-31 20:38:46,142 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-31 20:38:46,144 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-31 20:38:46,144 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-31 20:38:46,147 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-31 20:38:46,151 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.08 08:38:45" (1/3) ... [2023-08-31 20:38:46,152 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a56036c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.08 08:38:46, skipping insertion in model container [2023-08-31 20:38:46,152 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 08:38:45" (2/3) ... [2023-08-31 20:38:46,152 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a56036c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.08 08:38:46, skipping insertion in model container [2023-08-31 20:38:46,152 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 08:38:46" (3/3) ... [2023-08-31 20:38:46,154 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_18-first-reads_true.i [2023-08-31 20:38:46,161 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-31 20:38:46,169 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-31 20:38:46,170 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-08-31 20:38:46,170 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-31 20:38:46,276 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-08-31 20:38:46,322 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 91 places, 90 transitions, 188 flow [2023-08-31 20:38:46,407 INFO L130 PetriNetUnfolder]: 3/89 cut-off events. [2023-08-31 20:38:46,407 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2023-08-31 20:38:46,413 INFO L83 FinitePrefix]: Finished finitePrefix Result has 94 conditions, 89 events. 3/89 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 93 event pairs, 0 based on Foata normal form. 0/80 useless extension candidates. Maximal degree in co-relation 50. Up to 2 conditions per place. [2023-08-31 20:38:46,414 INFO L82 GeneralOperation]: Start removeDead. Operand has 91 places, 90 transitions, 188 flow [2023-08-31 20:38:46,419 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 83 places, 82 transitions, 167 flow [2023-08-31 20:38:46,423 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-31 20:38:46,446 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 83 places, 82 transitions, 167 flow [2023-08-31 20:38:46,449 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 83 places, 82 transitions, 167 flow [2023-08-31 20:38:46,449 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 83 places, 82 transitions, 167 flow [2023-08-31 20:38:46,473 INFO L130 PetriNetUnfolder]: 3/82 cut-off events. [2023-08-31 20:38:46,475 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-31 20:38:46,476 INFO L83 FinitePrefix]: Finished finitePrefix Result has 86 conditions, 82 events. 3/82 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 93 event pairs, 0 based on Foata normal form. 0/73 useless extension candidates. Maximal degree in co-relation 50. Up to 2 conditions per place. [2023-08-31 20:38:46,478 INFO L119 LiptonReduction]: Number of co-enabled transitions 1232 [2023-08-31 20:38:48,733 INFO L134 LiptonReduction]: Checked pairs total: 3842 [2023-08-31 20:38:48,733 INFO L136 LiptonReduction]: Total number of compositions: 73 [2023-08-31 20:38:48,744 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-31 20:38:48,749 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;@7af05091, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-31 20:38:48,749 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2023-08-31 20:38:48,750 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-31 20:38:48,750 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-31 20:38:48,750 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 20:38:48,750 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-31 20:38:48,751 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-08-31 20:38:48,754 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 20:38:48,754 INFO L85 PathProgramCache]: Analyzing trace with hash 326, now seen corresponding path program 1 times [2023-08-31 20:38:48,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 20:38:48,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603721183] [2023-08-31 20:38:48,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 20:38:48,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 20:38:48,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 20:38:48,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 20:38:48,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 20:38:48,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603721183] [2023-08-31 20:38:48,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [603721183] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 20:38:48,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 20:38:48,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-31 20:38:48,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333081532] [2023-08-31 20:38:48,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 20:38:48,865 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-31 20:38:48,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 20:38:48,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-31 20:38:48,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-31 20:38:48,903 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 163 [2023-08-31 20:38:48,905 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 30 places, 28 transitions, 59 flow. Second operand has 2 states, 2 states have (on average 84.5) internal successors, (169), 2 states have internal predecessors, (169), 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) [2023-08-31 20:38:48,905 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 20:38:48,905 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 163 [2023-08-31 20:38:48,906 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 20:38:48,997 INFO L130 PetriNetUnfolder]: 34/128 cut-off events. [2023-08-31 20:38:48,998 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-31 20:38:48,999 INFO L83 FinitePrefix]: Finished finitePrefix Result has 211 conditions, 128 events. 34/128 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 564 event pairs, 32 based on Foata normal form. 0/101 useless extension candidates. Maximal degree in co-relation 202. Up to 79 conditions per place. [2023-08-31 20:38:49,000 INFO L137 encePairwiseOnDemand]: 161/163 looper letters, 14 selfloop transitions, 0 changer transitions 0/25 dead transitions. [2023-08-31 20:38:49,000 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 29 places, 25 transitions, 81 flow [2023-08-31 20:38:49,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-31 20:38:49,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-31 20:38:49,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 184 transitions. [2023-08-31 20:38:49,012 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5644171779141104 [2023-08-31 20:38:49,013 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 184 transitions. [2023-08-31 20:38:49,013 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 184 transitions. [2023-08-31 20:38:49,014 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 20:38:49,016 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 184 transitions. [2023-08-31 20:38:49,019 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 92.0) internal successors, (184), 2 states have internal predecessors, (184), 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) [2023-08-31 20:38:49,022 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 163.0) internal successors, (489), 3 states have internal predecessors, (489), 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) [2023-08-31 20:38:49,023 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 163.0) internal successors, (489), 3 states have internal predecessors, (489), 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) [2023-08-31 20:38:49,025 INFO L175 Difference]: Start difference. First operand has 30 places, 28 transitions, 59 flow. Second operand 2 states and 184 transitions. [2023-08-31 20:38:49,025 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 29 places, 25 transitions, 81 flow [2023-08-31 20:38:49,027 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 28 places, 25 transitions, 80 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-31 20:38:49,028 INFO L231 Difference]: Finished difference. Result has 28 places, 25 transitions, 52 flow [2023-08-31 20:38:49,030 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=163, PETRI_DIFFERENCE_MINUEND_FLOW=52, PETRI_DIFFERENCE_MINUEND_PLACES=27, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=52, PETRI_PLACES=28, PETRI_TRANSITIONS=25} [2023-08-31 20:38:49,034 INFO L281 CegarLoopForPetriNet]: 30 programPoint places, -2 predicate places. [2023-08-31 20:38:49,034 INFO L495 AbstractCegarLoop]: Abstraction has has 28 places, 25 transitions, 52 flow [2023-08-31 20:38:49,034 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 84.5) internal successors, (169), 2 states have internal predecessors, (169), 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) [2023-08-31 20:38:49,035 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 20:38:49,035 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-08-31 20:38:49,035 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-31 20:38:49,035 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-08-31 20:38:49,036 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 20:38:49,036 INFO L85 PathProgramCache]: Analyzing trace with hash 309840370, now seen corresponding path program 1 times [2023-08-31 20:38:49,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 20:38:49,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586048033] [2023-08-31 20:38:49,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 20:38:49,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 20:38:49,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 20:38:49,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 20:38:49,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 20:38:49,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586048033] [2023-08-31 20:38:49,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586048033] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 20:38:49,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 20:38:49,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 20:38:49,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129136129] [2023-08-31 20:38:49,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 20:38:49,127 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 20:38:49,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 20:38:49,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 20:38:49,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 20:38:49,156 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 163 [2023-08-31 20:38:49,157 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 28 places, 25 transitions, 52 flow. Second operand has 3 states, 3 states have (on average 74.66666666666667) internal successors, (224), 3 states have internal predecessors, (224), 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) [2023-08-31 20:38:49,158 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 20:38:49,158 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 163 [2023-08-31 20:38:49,158 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 20:38:49,238 INFO L130 PetriNetUnfolder]: 62/187 cut-off events. [2023-08-31 20:38:49,238 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-31 20:38:49,240 INFO L83 FinitePrefix]: Finished finitePrefix Result has 337 conditions, 187 events. 62/187 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 876 event pairs, 27 based on Foata normal form. 0/160 useless extension candidates. Maximal degree in co-relation 334. Up to 102 conditions per place. [2023-08-31 20:38:49,242 INFO L137 encePairwiseOnDemand]: 155/163 looper letters, 20 selfloop transitions, 6 changer transitions 0/32 dead transitions. [2023-08-31 20:38:49,242 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 29 places, 32 transitions, 118 flow [2023-08-31 20:38:49,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 20:38:49,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 20:38:49,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 247 transitions. [2023-08-31 20:38:49,245 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5051124744376279 [2023-08-31 20:38:49,245 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 247 transitions. [2023-08-31 20:38:49,245 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 247 transitions. [2023-08-31 20:38:49,246 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 20:38:49,246 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 247 transitions. [2023-08-31 20:38:49,247 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 82.33333333333333) internal successors, (247), 3 states have internal predecessors, (247), 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) [2023-08-31 20:38:49,249 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 163.0) internal successors, (652), 4 states have internal predecessors, (652), 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) [2023-08-31 20:38:49,249 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 163.0) internal successors, (652), 4 states have internal predecessors, (652), 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) [2023-08-31 20:38:49,249 INFO L175 Difference]: Start difference. First operand has 28 places, 25 transitions, 52 flow. Second operand 3 states and 247 transitions. [2023-08-31 20:38:49,250 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 29 places, 32 transitions, 118 flow [2023-08-31 20:38:49,250 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 29 places, 32 transitions, 118 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-31 20:38:49,251 INFO L231 Difference]: Finished difference. Result has 31 places, 27 transitions, 88 flow [2023-08-31 20:38:49,251 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=163, PETRI_DIFFERENCE_MINUEND_FLOW=50, PETRI_DIFFERENCE_MINUEND_PLACES=27, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=88, PETRI_PLACES=31, PETRI_TRANSITIONS=27} [2023-08-31 20:38:49,252 INFO L281 CegarLoopForPetriNet]: 30 programPoint places, 1 predicate places. [2023-08-31 20:38:49,252 INFO L495 AbstractCegarLoop]: Abstraction has has 31 places, 27 transitions, 88 flow [2023-08-31 20:38:49,253 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 74.66666666666667) internal successors, (224), 3 states have internal predecessors, (224), 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) [2023-08-31 20:38:49,253 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 20:38:49,253 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-31 20:38:49,253 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-31 20:38:49,253 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-08-31 20:38:49,254 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 20:38:49,254 INFO L85 PathProgramCache]: Analyzing trace with hash 1015077749, now seen corresponding path program 1 times [2023-08-31 20:38:49,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 20:38:49,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633874751] [2023-08-31 20:38:49,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 20:38:49,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 20:38:49,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 20:38:49,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 20:38:49,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 20:38:49,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633874751] [2023-08-31 20:38:49,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633874751] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 20:38:49,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 20:38:49,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 20:38:49,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429957838] [2023-08-31 20:38:49,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 20:38:49,301 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 20:38:49,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 20:38:49,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 20:38:49,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 20:38:49,329 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 163 [2023-08-31 20:38:49,330 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 27 transitions, 88 flow. Second operand has 3 states, 3 states have (on average 77.0) internal successors, (231), 3 states have internal predecessors, (231), 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) [2023-08-31 20:38:49,330 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 20:38:49,330 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 163 [2023-08-31 20:38:49,330 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 20:38:49,371 INFO L130 PetriNetUnfolder]: 57/184 cut-off events. [2023-08-31 20:38:49,371 INFO L131 PetriNetUnfolder]: For 60/62 co-relation queries the response was YES. [2023-08-31 20:38:49,372 INFO L83 FinitePrefix]: Finished finitePrefix Result has 397 conditions, 184 events. 57/184 cut-off events. For 60/62 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 890 event pairs, 34 based on Foata normal form. 2/157 useless extension candidates. Maximal degree in co-relation 392. Up to 120 conditions per place. [2023-08-31 20:38:49,373 INFO L137 encePairwiseOnDemand]: 159/163 looper letters, 21 selfloop transitions, 3 changer transitions 0/32 dead transitions. [2023-08-31 20:38:49,373 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 32 transitions, 150 flow [2023-08-31 20:38:49,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 20:38:49,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 20:38:49,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 248 transitions. [2023-08-31 20:38:49,385 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5071574642126789 [2023-08-31 20:38:49,385 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 248 transitions. [2023-08-31 20:38:49,385 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 248 transitions. [2023-08-31 20:38:49,386 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 20:38:49,386 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 248 transitions. [2023-08-31 20:38:49,387 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 82.66666666666667) internal successors, (248), 3 states have internal predecessors, (248), 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) [2023-08-31 20:38:49,388 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 163.0) internal successors, (652), 4 states have internal predecessors, (652), 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) [2023-08-31 20:38:49,389 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 163.0) internal successors, (652), 4 states have internal predecessors, (652), 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) [2023-08-31 20:38:49,389 INFO L175 Difference]: Start difference. First operand has 31 places, 27 transitions, 88 flow. Second operand 3 states and 248 transitions. [2023-08-31 20:38:49,389 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 32 transitions, 150 flow [2023-08-31 20:38:49,390 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 32 transitions, 136 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-31 20:38:49,391 INFO L231 Difference]: Finished difference. Result has 32 places, 29 transitions, 97 flow [2023-08-31 20:38:49,391 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=163, PETRI_DIFFERENCE_MINUEND_FLOW=76, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=97, PETRI_PLACES=32, PETRI_TRANSITIONS=29} [2023-08-31 20:38:49,392 INFO L281 CegarLoopForPetriNet]: 30 programPoint places, 2 predicate places. [2023-08-31 20:38:49,392 INFO L495 AbstractCegarLoop]: Abstraction has has 32 places, 29 transitions, 97 flow [2023-08-31 20:38:49,393 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 77.0) internal successors, (231), 3 states have internal predecessors, (231), 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) [2023-08-31 20:38:49,393 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 20:38:49,393 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 20:38:49,393 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-31 20:38:49,393 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-08-31 20:38:49,394 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 20:38:49,394 INFO L85 PathProgramCache]: Analyzing trace with hash 570699357, now seen corresponding path program 1 times [2023-08-31 20:38:49,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 20:38:49,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854671086] [2023-08-31 20:38:49,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 20:38:49,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 20:38:49,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 20:38:49,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 20:38:49,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 20:38:49,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854671086] [2023-08-31 20:38:49,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1854671086] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 20:38:49,437 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 20:38:49,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 20:38:49,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925699785] [2023-08-31 20:38:49,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 20:38:49,438 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 20:38:49,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 20:38:49,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 20:38:49,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 20:38:49,456 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 163 [2023-08-31 20:38:49,456 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 29 transitions, 97 flow. Second operand has 3 states, 3 states have (on average 77.33333333333333) internal successors, (232), 3 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 20:38:49,456 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 20:38:49,457 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 163 [2023-08-31 20:38:49,457 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 20:38:49,497 INFO L130 PetriNetUnfolder]: 67/209 cut-off events. [2023-08-31 20:38:49,497 INFO L131 PetriNetUnfolder]: For 57/61 co-relation queries the response was YES. [2023-08-31 20:38:49,498 INFO L83 FinitePrefix]: Finished finitePrefix Result has 455 conditions, 209 events. 67/209 cut-off events. For 57/61 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 1006 event pairs, 35 based on Foata normal form. 0/178 useless extension candidates. Maximal degree in co-relation 449. Up to 127 conditions per place. [2023-08-31 20:38:49,499 INFO L137 encePairwiseOnDemand]: 158/163 looper letters, 24 selfloop transitions, 4 changer transitions 0/35 dead transitions. [2023-08-31 20:38:49,499 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 35 transitions, 169 flow [2023-08-31 20:38:49,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 20:38:49,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 20:38:49,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 250 transitions. [2023-08-31 20:38:49,506 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5112474437627812 [2023-08-31 20:38:49,507 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 250 transitions. [2023-08-31 20:38:49,507 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 250 transitions. [2023-08-31 20:38:49,507 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 20:38:49,511 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 250 transitions. [2023-08-31 20:38:49,512 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 83.33333333333333) internal successors, (250), 3 states have internal predecessors, (250), 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) [2023-08-31 20:38:49,514 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 163.0) internal successors, (652), 4 states have internal predecessors, (652), 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) [2023-08-31 20:38:49,514 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 163.0) internal successors, (652), 4 states have internal predecessors, (652), 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) [2023-08-31 20:38:49,514 INFO L175 Difference]: Start difference. First operand has 32 places, 29 transitions, 97 flow. Second operand 3 states and 250 transitions. [2023-08-31 20:38:49,515 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 35 transitions, 169 flow [2023-08-31 20:38:49,517 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 35 transitions, 166 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-31 20:38:49,518 INFO L231 Difference]: Finished difference. Result has 35 places, 32 transitions, 128 flow [2023-08-31 20:38:49,518 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=163, PETRI_DIFFERENCE_MINUEND_FLOW=94, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=128, PETRI_PLACES=35, PETRI_TRANSITIONS=32} [2023-08-31 20:38:49,519 INFO L281 CegarLoopForPetriNet]: 30 programPoint places, 5 predicate places. [2023-08-31 20:38:49,519 INFO L495 AbstractCegarLoop]: Abstraction has has 35 places, 32 transitions, 128 flow [2023-08-31 20:38:49,520 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 77.33333333333333) internal successors, (232), 3 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-31 20:38:49,520 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 20:38:49,520 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 20:38:49,520 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-31 20:38:49,520 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-08-31 20:38:49,521 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 20:38:49,522 INFO L85 PathProgramCache]: Analyzing trace with hash 556450920, now seen corresponding path program 1 times [2023-08-31 20:38:49,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 20:38:49,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352975734] [2023-08-31 20:38:49,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 20:38:49,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 20:38:49,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 20:38:49,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 20:38:49,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 20:38:49,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352975734] [2023-08-31 20:38:49,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352975734] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 20:38:49,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 20:38:49,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-31 20:38:49,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37998605] [2023-08-31 20:38:49,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 20:38:49,658 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 20:38:49,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 20:38:49,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 20:38:49,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 20:38:49,674 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 163 [2023-08-31 20:38:49,674 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 32 transitions, 128 flow. Second operand has 3 states, 3 states have (on average 81.0) internal successors, (243), 3 states have internal predecessors, (243), 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) [2023-08-31 20:38:49,675 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 20:38:49,675 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 163 [2023-08-31 20:38:49,675 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 20:38:49,705 INFO L130 PetriNetUnfolder]: 2/40 cut-off events. [2023-08-31 20:38:49,705 INFO L131 PetriNetUnfolder]: For 19/19 co-relation queries the response was YES. [2023-08-31 20:38:49,705 INFO L83 FinitePrefix]: Finished finitePrefix Result has 102 conditions, 40 events. 2/40 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 69 event pairs, 0 based on Foata normal form. 10/46 useless extension candidates. Maximal degree in co-relation 95. Up to 20 conditions per place. [2023-08-31 20:38:49,706 INFO L137 encePairwiseOnDemand]: 158/163 looper letters, 10 selfloop transitions, 5 changer transitions 0/22 dead transitions. [2023-08-31 20:38:49,706 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 22 transitions, 108 flow [2023-08-31 20:38:49,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 20:38:49,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 20:38:49,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 254 transitions. [2023-08-31 20:38:49,707 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5194274028629857 [2023-08-31 20:38:49,707 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 254 transitions. [2023-08-31 20:38:49,707 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 254 transitions. [2023-08-31 20:38:49,708 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 20:38:49,708 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 254 transitions. [2023-08-31 20:38:49,708 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 84.66666666666667) internal successors, (254), 3 states have internal predecessors, (254), 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) [2023-08-31 20:38:49,710 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 163.0) internal successors, (652), 4 states have internal predecessors, (652), 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) [2023-08-31 20:38:49,710 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 163.0) internal successors, (652), 4 states have internal predecessors, (652), 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) [2023-08-31 20:38:49,710 INFO L175 Difference]: Start difference. First operand has 35 places, 32 transitions, 128 flow. Second operand 3 states and 254 transitions. [2023-08-31 20:38:49,710 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 22 transitions, 108 flow [2023-08-31 20:38:49,711 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 28 places, 22 transitions, 88 flow, removed 4 selfloop flow, removed 6 redundant places. [2023-08-31 20:38:49,712 INFO L231 Difference]: Finished difference. Result has 28 places, 22 transitions, 68 flow [2023-08-31 20:38:49,712 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=163, PETRI_DIFFERENCE_MINUEND_FLOW=58, PETRI_DIFFERENCE_MINUEND_PLACES=26, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=68, PETRI_PLACES=28, PETRI_TRANSITIONS=22} [2023-08-31 20:38:49,712 INFO L281 CegarLoopForPetriNet]: 30 programPoint places, -2 predicate places. [2023-08-31 20:38:49,713 INFO L495 AbstractCegarLoop]: Abstraction has has 28 places, 22 transitions, 68 flow [2023-08-31 20:38:49,713 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 81.0) internal successors, (243), 3 states have internal predecessors, (243), 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) [2023-08-31 20:38:49,713 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-31 20:38:49,713 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-31 20:38:49,713 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-31 20:38:49,714 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-08-31 20:38:49,714 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-31 20:38:49,714 INFO L85 PathProgramCache]: Analyzing trace with hash 204598645, now seen corresponding path program 1 times [2023-08-31 20:38:49,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-31 20:38:49,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82569019] [2023-08-31 20:38:49,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-31 20:38:49,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-31 20:38:49,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-31 20:38:49,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-31 20:38:49,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-31 20:38:49,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82569019] [2023-08-31 20:38:49,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [82569019] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-31 20:38:49,875 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-31 20:38:49,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-31 20:38:49,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303131900] [2023-08-31 20:38:49,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-31 20:38:49,876 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-31 20:38:49,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-31 20:38:49,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-31 20:38:49,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-31 20:38:49,899 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 163 [2023-08-31 20:38:49,902 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 28 places, 22 transitions, 68 flow. Second operand has 3 states, 3 states have (on average 81.33333333333333) internal successors, (244), 3 states have internal predecessors, (244), 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) [2023-08-31 20:38:49,902 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-31 20:38:49,902 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 163 [2023-08-31 20:38:49,902 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-31 20:38:49,942 INFO L130 PetriNetUnfolder]: 11/58 cut-off events. [2023-08-31 20:38:49,942 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2023-08-31 20:38:49,943 INFO L83 FinitePrefix]: Finished finitePrefix Result has 134 conditions, 58 events. 11/58 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 129 event pairs, 8 based on Foata normal form. 0/55 useless extension candidates. Maximal degree in co-relation 129. Up to 28 conditions per place. [2023-08-31 20:38:49,943 INFO L137 encePairwiseOnDemand]: 161/163 looper letters, 0 selfloop transitions, 0 changer transitions 29/29 dead transitions. [2023-08-31 20:38:49,943 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 29 places, 29 transitions, 138 flow [2023-08-31 20:38:49,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-31 20:38:49,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-31 20:38:49,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 261 transitions. [2023-08-31 20:38:49,945 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5337423312883436 [2023-08-31 20:38:49,945 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 261 transitions. [2023-08-31 20:38:49,945 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 261 transitions. [2023-08-31 20:38:49,945 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-31 20:38:49,945 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 261 transitions. [2023-08-31 20:38:49,946 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 87.0) internal successors, (261), 3 states have internal predecessors, (261), 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) [2023-08-31 20:38:49,947 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 163.0) internal successors, (652), 4 states have internal predecessors, (652), 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) [2023-08-31 20:38:49,947 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 163.0) internal successors, (652), 4 states have internal predecessors, (652), 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) [2023-08-31 20:38:49,948 INFO L175 Difference]: Start difference. First operand has 28 places, 22 transitions, 68 flow. Second operand 3 states and 261 transitions. [2023-08-31 20:38:49,948 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 29 places, 29 transitions, 138 flow [2023-08-31 20:38:49,949 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 28 places, 29 transitions, 130 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-31 20:38:49,949 INFO L231 Difference]: Finished difference. Result has 28 places, 0 transitions, 0 flow [2023-08-31 20:38:49,949 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=163, PETRI_DIFFERENCE_MINUEND_FLOW=61, PETRI_DIFFERENCE_MINUEND_PLACES=26, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=28, PETRI_TRANSITIONS=0} [2023-08-31 20:38:49,952 INFO L281 CegarLoopForPetriNet]: 30 programPoint places, -2 predicate places. [2023-08-31 20:38:49,952 INFO L495 AbstractCegarLoop]: Abstraction has has 28 places, 0 transitions, 0 flow [2023-08-31 20:38:49,952 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 81.33333333333333) internal successors, (244), 3 states have internal predecessors, (244), 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) [2023-08-31 20:38:49,954 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (9 of 10 remaining) [2023-08-31 20:38:49,955 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (8 of 10 remaining) [2023-08-31 20:38:49,956 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (7 of 10 remaining) [2023-08-31 20:38:49,956 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 10 remaining) [2023-08-31 20:38:49,957 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (5 of 10 remaining) [2023-08-31 20:38:49,958 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (4 of 10 remaining) [2023-08-31 20:38:49,958 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (3 of 10 remaining) [2023-08-31 20:38:49,958 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 10 remaining) [2023-08-31 20:38:49,958 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 10 remaining) [2023-08-31 20:38:49,959 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (0 of 10 remaining) [2023-08-31 20:38:49,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-31 20:38:49,960 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-08-31 20:38:49,966 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-31 20:38:49,966 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-31 20:38:49,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.08 08:38:49 BasicIcfg [2023-08-31 20:38:49,974 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-31 20:38:49,975 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-31 20:38:49,975 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-31 20:38:49,975 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-31 20:38:49,975 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 08:38:46" (3/4) ... [2023-08-31 20:38:49,977 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-31 20:38:49,983 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2023-08-31 20:38:49,988 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2023-08-31 20:38:49,988 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-08-31 20:38:49,989 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-31 20:38:49,989 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-31 20:38:50,028 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-31 20:38:50,028 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-31 20:38:50,029 INFO L158 Benchmark]: Toolchain (without parser) took 4883.78ms. Allocated memory was 79.7MB in the beginning and 100.7MB in the end (delta: 21.0MB). Free memory was 56.2MB in the beginning and 40.5MB in the end (delta: 15.7MB). Peak memory consumption was 36.9MB. Max. memory is 16.1GB. [2023-08-31 20:38:50,029 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 60.8MB. Free memory was 38.6MB in the beginning and 38.5MB in the end (delta: 97.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-31 20:38:50,030 INFO L158 Benchmark]: CACSL2BoogieTranslator took 430.73ms. Allocated memory is still 79.7MB. Free memory was 56.0MB in the beginning and 55.0MB in the end (delta: 964.6kB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. [2023-08-31 20:38:50,030 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.43ms. Allocated memory is still 79.7MB. Free memory was 55.0MB in the beginning and 52.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-31 20:38:50,030 INFO L158 Benchmark]: Boogie Preprocessor took 55.34ms. Allocated memory is still 79.7MB. Free memory was 52.8MB in the beginning and 51.7MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-31 20:38:50,030 INFO L158 Benchmark]: RCFGBuilder took 453.01ms. Allocated memory is still 79.7MB. Free memory was 51.7MB in the beginning and 37.9MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-31 20:38:50,031 INFO L158 Benchmark]: TraceAbstraction took 3829.96ms. Allocated memory was 79.7MB in the beginning and 100.7MB in the end (delta: 21.0MB). Free memory was 37.0MB in the beginning and 43.6MB in the end (delta: -6.5MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. [2023-08-31 20:38:50,031 INFO L158 Benchmark]: Witness Printer took 54.02ms. Allocated memory is still 100.7MB. Free memory was 42.6MB in the beginning and 40.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-31 20:38:50,033 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 60.8MB. Free memory was 38.6MB in the beginning and 38.5MB in the end (delta: 97.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 430.73ms. Allocated memory is still 79.7MB. Free memory was 56.0MB in the beginning and 55.0MB in the end (delta: 964.6kB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.43ms. Allocated memory is still 79.7MB. Free memory was 55.0MB in the beginning and 52.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.34ms. Allocated memory is still 79.7MB. Free memory was 52.8MB in the beginning and 51.7MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 453.01ms. Allocated memory is still 79.7MB. Free memory was 51.7MB in the beginning and 37.9MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 3829.96ms. Allocated memory was 79.7MB in the beginning and 100.7MB in the end (delta: 21.0MB). Free memory was 37.0MB in the beginning and 43.6MB in the end (delta: -6.5MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. * Witness Printer took 54.02ms. Allocated memory is still 100.7MB. Free memory was 42.6MB in the beginning and 40.5MB in the end (delta: 2.1MB). 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: 2.3s, 83 PlacesBefore, 30 PlacesAfterwards, 82 TransitionsBefore, 28 TransitionsAfterwards, 1232 CoEnabledTransitionPairs, 7 FixpointIterations, 33 TrivialSequentialCompositions, 31 ConcurrentSequentialCompositions, 3 TrivialYvCompositions, 5 ConcurrentYvCompositions, 1 ChoiceCompositions, 73 TotalNumberOfCompositions, 3842 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1879, independent: 1638, independent conditional: 0, independent unconditional: 1638, dependent: 241, dependent conditional: 0, dependent unconditional: 241, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 705, independent: 660, independent conditional: 0, independent unconditional: 660, dependent: 45, dependent conditional: 0, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1879, independent: 978, independent conditional: 0, independent unconditional: 978, dependent: 196, dependent conditional: 0, dependent unconditional: 196, unknown: 705, unknown conditional: 0, unknown unconditional: 705] , Statistics on independence cache: Total cache size (in pairs): 97, Positive cache size: 66, Positive conditional cache size: 0, Positive unconditional cache size: 66, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 697]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 700]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 702]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 690]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 688]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 691]: 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, 117 locations, 10 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: 3.7s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 161 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 66 mSDsluCounter, 22 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 31 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 253 IncrementalHoareTripleChecker+Invalid, 284 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 31 mSolverCounterUnsat, 22 mSDtfsCounter, 253 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=128occurred in iteration=4, InterpolantAutomatonStates: 17, 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, 0.4s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 76 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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! [2023-08-31 20:38:50,066 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