./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/goblint-regression/04-mutex_17-ps_add1_nr.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/goblint-regression/04-mutex_17-ps_add1_nr.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 013bb91f520a17a9cdc0cfee70ba812e0f5d104f38897431df1c1d9fa0ad9ebb --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-29 01:58:26,196 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 01:58:26,199 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 01:58:26,238 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 01:58:26,239 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 01:58:26,239 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 01:58:26,240 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 01:58:26,244 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 01:58:26,247 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 01:58:26,252 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 01:58:26,253 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 01:58:26,257 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 01:58:26,257 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 01:58:26,259 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 01:58:26,261 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 01:58:26,266 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 01:58:26,267 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 01:58:26,267 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 01:58:26,270 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 01:58:26,274 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 01:58:26,279 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 01:58:26,280 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 01:58:26,281 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 01:58:26,283 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 01:58:26,285 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 01:58:26,289 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 01:58:26,289 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 01:58:26,290 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 01:58:26,292 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 01:58:26,292 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 01:58:26,293 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 01:58:26,294 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 01:58:26,295 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 01:58:26,296 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 01:58:26,297 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 01:58:26,298 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 01:58:26,298 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 01:58:26,298 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 01:58:26,299 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 01:58:26,299 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 01:58:26,300 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 01:58:26,301 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 01:58:26,345 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 01:58:26,345 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 01:58:26,345 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 01:58:26,346 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 01:58:26,346 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 01:58:26,346 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 01:58:26,347 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 01:58:26,347 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 01:58:26,347 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 01:58:26,347 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 01:58:26,347 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 01:58:26,347 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 01:58:26,347 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 01:58:26,348 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 01:58:26,348 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 01:58:26,348 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 01:58:26,348 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 01:58:26,348 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 01:58:26,348 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 01:58:26,348 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 01:58:26,348 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 01:58:26,348 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 01:58:26,349 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 01:58:26,349 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 01:58:26,349 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 01:58:26,349 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 01:58:26,349 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 01:58:26,350 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 01:58:26,350 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 01:58:26,350 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 01:58:26,350 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 01:58:26,350 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 01:58:26,351 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 01:58:26,351 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 01:58:26,351 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 01:58:26,351 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 01:58:26,351 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 01:58:26,351 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 013bb91f520a17a9cdc0cfee70ba812e0f5d104f38897431df1c1d9fa0ad9ebb Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> AFTER [2023-08-29 01:58:26,644 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 01:58:26,663 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 01:58:26,667 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 01:58:26,668 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 01:58:26,668 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 01:58:26,670 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/04-mutex_17-ps_add1_nr.i [2023-08-29 01:58:27,788 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 01:58:28,070 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 01:58:28,070 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/04-mutex_17-ps_add1_nr.i [2023-08-29 01:58:28,084 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16ededa1e/bd6944de9cd14de688c9ec9192899e1d/FLAG93bdd249e [2023-08-29 01:58:28,098 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16ededa1e/bd6944de9cd14de688c9ec9192899e1d [2023-08-29 01:58:28,101 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 01:58:28,102 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 01:58:28,103 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 01:58:28,103 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 01:58:28,106 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 01:58:28,107 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 01:58:28" (1/1) ... [2023-08-29 01:58:28,108 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b75a308 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:58:28, skipping insertion in model container [2023-08-29 01:58:28,108 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 01:58:28" (1/1) ... [2023-08-29 01:58:28,114 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 01:58:28,153 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 01:58:28,579 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 01:58:28,590 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 01:58:28,637 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 01:58:28,752 INFO L208 MainTranslator]: Completed translation [2023-08-29 01:58:28,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:58:28 WrapperNode [2023-08-29 01:58:28,753 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 01:58:28,754 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 01:58:28,754 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 01:58:28,755 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 01:58:28,761 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:58:28" (1/1) ... [2023-08-29 01:58:28,792 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:58:28" (1/1) ... [2023-08-29 01:58:28,813 INFO L138 Inliner]: procedures = 266, calls = 16, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 59 [2023-08-29 01:58:28,813 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 01:58:28,815 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 01:58:28,815 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 01:58:28,815 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 01:58:28,823 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:58:28" (1/1) ... [2023-08-29 01:58:28,823 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:58:28" (1/1) ... [2023-08-29 01:58:28,834 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:58:28" (1/1) ... [2023-08-29 01:58:28,834 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:58:28" (1/1) ... [2023-08-29 01:58:28,842 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:58:28" (1/1) ... [2023-08-29 01:58:28,848 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:58:28" (1/1) ... [2023-08-29 01:58:28,850 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:58:28" (1/1) ... [2023-08-29 01:58:28,852 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:58:28" (1/1) ... [2023-08-29 01:58:28,854 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 01:58:28,861 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 01:58:28,861 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 01:58:28,862 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 01:58:28,863 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:58:28" (1/1) ... [2023-08-29 01:58:28,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 01:58:28,879 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 01:58:28,895 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-29 01:58:28,915 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-29 01:58:28,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 01:58:28,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 01:58:28,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 01:58:28,942 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-29 01:58:28,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 01:58:28,942 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-29 01:58:28,942 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-29 01:58:28,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 01:58:28,943 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 01:58:28,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 01:58:28,944 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-29 01:58:29,093 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 01:58:29,110 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 01:58:29,231 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 01:58:29,238 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 01:58:29,238 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-29 01:58:29,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 01:58:29 BoogieIcfgContainer [2023-08-29 01:58:29,240 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 01:58:29,250 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 01:58:29,251 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 01:58:29,254 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 01:58:29,254 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 01:58:28" (1/3) ... [2023-08-29 01:58:29,255 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b029e92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 01:58:29, skipping insertion in model container [2023-08-29 01:58:29,255 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:58:28" (2/3) ... [2023-08-29 01:58:29,256 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b029e92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 01:58:29, skipping insertion in model container [2023-08-29 01:58:29,256 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 01:58:29" (3/3) ... [2023-08-29 01:58:29,258 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_17-ps_add1_nr.i [2023-08-29 01:58:29,266 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 01:58:29,275 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 01:58:29,275 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-08-29 01:58:29,275 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 01:58:29,350 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-29 01:58:29,389 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 81 places, 81 transitions, 167 flow [2023-08-29 01:58:29,424 INFO L130 PetriNetUnfolder]: 4/80 cut-off events. [2023-08-29 01:58:29,424 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 01:58:29,428 INFO L83 FinitePrefix]: Finished finitePrefix Result has 84 conditions, 80 events. 4/80 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 122 event pairs, 0 based on Foata normal form. 0/72 useless extension candidates. Maximal degree in co-relation 58. Up to 2 conditions per place. [2023-08-29 01:58:29,429 INFO L82 GeneralOperation]: Start removeDead. Operand has 81 places, 81 transitions, 167 flow [2023-08-29 01:58:29,432 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 80 places, 80 transitions, 163 flow [2023-08-29 01:58:29,435 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 01:58:29,443 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 80 places, 80 transitions, 163 flow [2023-08-29 01:58:29,446 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 80 places, 80 transitions, 163 flow [2023-08-29 01:58:29,446 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 80 places, 80 transitions, 163 flow [2023-08-29 01:58:29,466 INFO L130 PetriNetUnfolder]: 4/80 cut-off events. [2023-08-29 01:58:29,467 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 01:58:29,467 INFO L83 FinitePrefix]: Finished finitePrefix Result has 84 conditions, 80 events. 4/80 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 122 event pairs, 0 based on Foata normal form. 0/72 useless extension candidates. Maximal degree in co-relation 58. Up to 2 conditions per place. [2023-08-29 01:58:29,469 INFO L119 LiptonReduction]: Number of co-enabled transitions 1394 [2023-08-29 01:58:31,193 INFO L134 LiptonReduction]: Checked pairs total: 3783 [2023-08-29 01:58:31,193 INFO L136 LiptonReduction]: Total number of compositions: 71 [2023-08-29 01:58:31,205 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 01:58:31,210 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;@ec8d64, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 01:58:31,210 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2023-08-29 01:58:31,218 INFO L130 PetriNetUnfolder]: 1/8 cut-off events. [2023-08-29 01:58:31,218 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 01:58:31,219 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:58:31,220 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-08-29 01:58:31,221 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-08-29 01:58:31,229 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:58:31,229 INFO L85 PathProgramCache]: Analyzing trace with hash 279380644, now seen corresponding path program 1 times [2023-08-29 01:58:31,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:58:31,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031242271] [2023-08-29 01:58:31,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:58:31,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:58:31,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:58:31,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:58:31,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:58:31,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031242271] [2023-08-29 01:58:31,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031242271] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:58:31,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:58:31,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 01:58:31,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680719620] [2023-08-29 01:58:31,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:58:31,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 01:58:31,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:58:31,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 01:58:31,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 01:58:31,496 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 72 out of 152 [2023-08-29 01:58:31,499 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 26 places, 24 transitions, 51 flow. Second operand has 3 states, 3 states have (on average 73.66666666666667) internal successors, (221), 3 states have internal predecessors, (221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:58:31,499 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:58:31,499 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 72 of 152 [2023-08-29 01:58:31,500 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:58:31,565 INFO L130 PetriNetUnfolder]: 70/180 cut-off events. [2023-08-29 01:58:31,565 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 01:58:31,566 INFO L83 FinitePrefix]: Finished finitePrefix Result has 333 conditions, 180 events. 70/180 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 700 event pairs, 24 based on Foata normal form. 0/159 useless extension candidates. Maximal degree in co-relation 324. Up to 87 conditions per place. [2023-08-29 01:58:31,568 INFO L137 encePairwiseOnDemand]: 144/152 looper letters, 28 selfloop transitions, 6 changer transitions 0/39 dead transitions. [2023-08-29 01:58:31,568 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 28 places, 39 transitions, 149 flow [2023-08-29 01:58:31,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 01:58:31,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 01:58:31,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 252 transitions. [2023-08-29 01:58:31,581 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5526315789473685 [2023-08-29 01:58:31,581 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 252 transitions. [2023-08-29 01:58:31,582 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 252 transitions. [2023-08-29 01:58:31,583 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:58:31,585 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 252 transitions. [2023-08-29 01:58:31,588 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 84.0) internal successors, (252), 3 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:58:31,592 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 152.0) internal successors, (608), 4 states have internal predecessors, (608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:58:31,593 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 152.0) internal successors, (608), 4 states have internal predecessors, (608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:58:31,595 INFO L175 Difference]: Start difference. First operand has 26 places, 24 transitions, 51 flow. Second operand 3 states and 252 transitions. [2023-08-29 01:58:31,595 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 28 places, 39 transitions, 149 flow [2023-08-29 01:58:31,597 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 27 places, 39 transitions, 148 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 01:58:31,599 INFO L231 Difference]: Finished difference. Result has 29 places, 30 transitions, 102 flow [2023-08-29 01:58:31,601 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=50, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=102, PETRI_PLACES=29, PETRI_TRANSITIONS=30} [2023-08-29 01:58:31,604 INFO L281 CegarLoopForPetriNet]: 26 programPoint places, 3 predicate places. [2023-08-29 01:58:31,605 INFO L495 AbstractCegarLoop]: Abstraction has has 29 places, 30 transitions, 102 flow [2023-08-29 01:58:31,605 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 73.66666666666667) internal successors, (221), 3 states have internal predecessors, (221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:58:31,605 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:58:31,605 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:58:31,606 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 01:58:31,606 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-08-29 01:58:31,606 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:58:31,606 INFO L85 PathProgramCache]: Analyzing trace with hash -1042706279, now seen corresponding path program 1 times [2023-08-29 01:58:31,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:58:31,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918969853] [2023-08-29 01:58:31,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:58:31,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:58:31,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:58:31,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:58:31,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:58:31,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918969853] [2023-08-29 01:58:31,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1918969853] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:58:31,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:58:31,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 01:58:31,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886947778] [2023-08-29 01:58:31,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:58:31,666 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 01:58:31,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:58:31,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 01:58:31,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 01:58:31,685 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 152 [2023-08-29 01:58:31,685 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 29 places, 30 transitions, 102 flow. Second operand has 3 states, 3 states have (on average 73.33333333333333) internal successors, (220), 3 states have internal predecessors, (220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:58:31,685 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:58:31,686 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 152 [2023-08-29 01:58:31,686 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:58:31,765 INFO L130 PetriNetUnfolder]: 60/169 cut-off events. [2023-08-29 01:58:31,769 INFO L131 PetriNetUnfolder]: For 73/75 co-relation queries the response was YES. [2023-08-29 01:58:31,770 INFO L83 FinitePrefix]: Finished finitePrefix Result has 386 conditions, 169 events. 60/169 cut-off events. For 73/75 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 664 event pairs, 28 based on Foata normal form. 2/157 useless extension candidates. Maximal degree in co-relation 376. Up to 111 conditions per place. [2023-08-29 01:58:31,772 INFO L137 encePairwiseOnDemand]: 147/152 looper letters, 19 selfloop transitions, 6 changer transitions 2/37 dead transitions. [2023-08-29 01:58:31,773 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 37 transitions, 180 flow [2023-08-29 01:58:31,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 01:58:31,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 01:58:31,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 236 transitions. [2023-08-29 01:58:31,777 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5175438596491229 [2023-08-29 01:58:31,778 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 236 transitions. [2023-08-29 01:58:31,778 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 236 transitions. [2023-08-29 01:58:31,779 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:58:31,780 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 236 transitions. [2023-08-29 01:58:31,781 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 78.66666666666667) internal successors, (236), 3 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:58:31,783 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 152.0) internal successors, (608), 4 states have internal predecessors, (608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:58:31,784 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 152.0) internal successors, (608), 4 states have internal predecessors, (608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:58:31,785 INFO L175 Difference]: Start difference. First operand has 29 places, 30 transitions, 102 flow. Second operand 3 states and 236 transitions. [2023-08-29 01:58:31,785 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 37 transitions, 180 flow [2023-08-29 01:58:31,786 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 29 places, 37 transitions, 164 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-29 01:58:31,787 INFO L231 Difference]: Finished difference. Result has 30 places, 34 transitions, 132 flow [2023-08-29 01:58:31,788 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=90, PETRI_DIFFERENCE_MINUEND_PLACES=27, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=132, PETRI_PLACES=30, PETRI_TRANSITIONS=34} [2023-08-29 01:58:31,788 INFO L281 CegarLoopForPetriNet]: 26 programPoint places, 4 predicate places. [2023-08-29 01:58:31,788 INFO L495 AbstractCegarLoop]: Abstraction has has 30 places, 34 transitions, 132 flow [2023-08-29 01:58:31,789 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 73.33333333333333) internal successors, (220), 3 states have internal predecessors, (220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:58:31,789 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:58:31,789 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:58:31,789 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-29 01:58:31,789 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-08-29 01:58:31,790 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:58:31,790 INFO L85 PathProgramCache]: Analyzing trace with hash -1967053461, now seen corresponding path program 1 times [2023-08-29 01:58:31,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:58:31,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744161008] [2023-08-29 01:58:31,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:58:31,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:58:31,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:58:31,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:58:31,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:58:31,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744161008] [2023-08-29 01:58:31,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744161008] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:58:31,864 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:58:31,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 01:58:31,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234090080] [2023-08-29 01:58:31,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:58:31,865 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 01:58:31,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:58:31,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 01:58:31,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 01:58:31,887 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 72 out of 152 [2023-08-29 01:58:31,887 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 30 places, 34 transitions, 132 flow. Second operand has 3 states, 3 states have (on average 74.0) internal successors, (222), 3 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:58:31,888 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:58:31,888 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 72 of 152 [2023-08-29 01:58:31,888 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:58:31,937 INFO L130 PetriNetUnfolder]: 70/188 cut-off events. [2023-08-29 01:58:31,937 INFO L131 PetriNetUnfolder]: For 111/121 co-relation queries the response was YES. [2023-08-29 01:58:31,938 INFO L83 FinitePrefix]: Finished finitePrefix Result has 460 conditions, 188 events. 70/188 cut-off events. For 111/121 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 732 event pairs, 19 based on Foata normal form. 2/172 useless extension candidates. Maximal degree in co-relation 449. Up to 99 conditions per place. [2023-08-29 01:58:31,938 INFO L137 encePairwiseOnDemand]: 146/152 looper letters, 17 selfloop transitions, 7 changer transitions 12/46 dead transitions. [2023-08-29 01:58:31,939 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 32 places, 46 transitions, 245 flow [2023-08-29 01:58:31,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 01:58:31,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 01:58:31,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 243 transitions. [2023-08-29 01:58:31,941 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5328947368421053 [2023-08-29 01:58:31,941 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 243 transitions. [2023-08-29 01:58:31,941 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 243 transitions. [2023-08-29 01:58:31,941 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:58:31,941 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 243 transitions. [2023-08-29 01:58:31,942 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 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) [2023-08-29 01:58:31,943 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 152.0) internal successors, (608), 4 states have internal predecessors, (608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:58:31,944 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 152.0) internal successors, (608), 4 states have internal predecessors, (608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:58:31,944 INFO L175 Difference]: Start difference. First operand has 30 places, 34 transitions, 132 flow. Second operand 3 states and 243 transitions. [2023-08-29 01:58:31,944 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 32 places, 46 transitions, 245 flow [2023-08-29 01:58:31,946 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 46 transitions, 236 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 01:58:31,946 INFO L231 Difference]: Finished difference. Result has 33 places, 32 transitions, 158 flow [2023-08-29 01:58:31,947 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=126, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=158, PETRI_PLACES=33, PETRI_TRANSITIONS=32} [2023-08-29 01:58:31,947 INFO L281 CegarLoopForPetriNet]: 26 programPoint places, 7 predicate places. [2023-08-29 01:58:31,948 INFO L495 AbstractCegarLoop]: Abstraction has has 33 places, 32 transitions, 158 flow [2023-08-29 01:58:31,948 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 74.0) internal successors, (222), 3 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:58:31,948 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:58:31,948 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:58:31,948 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-29 01:58:31,949 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-08-29 01:58:31,949 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:58:31,949 INFO L85 PathProgramCache]: Analyzing trace with hash -1247659984, now seen corresponding path program 1 times [2023-08-29 01:58:31,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:58:31,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55640486] [2023-08-29 01:58:31,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:58:31,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:58:31,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:58:32,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:58:32,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:58:32,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55640486] [2023-08-29 01:58:32,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [55640486] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:58:32,158 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:58:32,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-08-29 01:58:32,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092151347] [2023-08-29 01:58:32,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:58:32,159 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-29 01:58:32,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:58:32,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-29 01:58:32,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-08-29 01:58:32,185 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 72 out of 152 [2023-08-29 01:58:32,186 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 32 transitions, 158 flow. Second operand has 4 states, 4 states have (on average 73.75) internal successors, (295), 4 states have internal predecessors, (295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:58:32,186 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:58:32,186 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 72 of 152 [2023-08-29 01:58:32,186 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:58:32,253 INFO L130 PetriNetUnfolder]: 53/253 cut-off events. [2023-08-29 01:58:32,253 INFO L131 PetriNetUnfolder]: For 386/396 co-relation queries the response was YES. [2023-08-29 01:58:32,254 INFO L83 FinitePrefix]: Finished finitePrefix Result has 739 conditions, 253 events. 53/253 cut-off events. For 386/396 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 1548 event pairs, 22 based on Foata normal form. 9/249 useless extension candidates. Maximal degree in co-relation 727. Up to 62 conditions per place. [2023-08-29 01:58:32,255 INFO L137 encePairwiseOnDemand]: 147/152 looper letters, 25 selfloop transitions, 5 changer transitions 9/53 dead transitions. [2023-08-29 01:58:32,255 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 53 transitions, 344 flow [2023-08-29 01:58:32,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-29 01:58:32,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-29 01:58:32,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 318 transitions. [2023-08-29 01:58:32,258 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5230263157894737 [2023-08-29 01:58:32,258 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 318 transitions. [2023-08-29 01:58:32,258 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 318 transitions. [2023-08-29 01:58:32,259 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:58:32,259 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 318 transitions. [2023-08-29 01:58:32,260 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 79.5) internal successors, (318), 4 states have internal predecessors, (318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:58:32,261 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 152.0) internal successors, (760), 5 states have internal predecessors, (760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:58:32,261 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 152.0) internal successors, (760), 5 states have internal predecessors, (760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:58:32,262 INFO L175 Difference]: Start difference. First operand has 33 places, 32 transitions, 158 flow. Second operand 4 states and 318 transitions. [2023-08-29 01:58:32,262 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 53 transitions, 344 flow [2023-08-29 01:58:32,264 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 53 transitions, 318 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-29 01:58:32,265 INFO L231 Difference]: Finished difference. Result has 37 places, 36 transitions, 186 flow [2023-08-29 01:58:32,266 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=144, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=186, PETRI_PLACES=37, PETRI_TRANSITIONS=36} [2023-08-29 01:58:32,266 INFO L281 CegarLoopForPetriNet]: 26 programPoint places, 11 predicate places. [2023-08-29 01:58:32,266 INFO L495 AbstractCegarLoop]: Abstraction has has 37 places, 36 transitions, 186 flow [2023-08-29 01:58:32,267 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 73.75) internal successors, (295), 4 states have internal predecessors, (295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:58:32,267 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:58:32,267 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:58:32,267 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-29 01:58:32,268 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-08-29 01:58:32,268 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:58:32,268 INFO L85 PathProgramCache]: Analyzing trace with hash -399147700, now seen corresponding path program 2 times [2023-08-29 01:58:32,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:58:32,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541223635] [2023-08-29 01:58:32,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:58:32,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:58:32,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:58:32,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:58:32,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:58:32,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541223635] [2023-08-29 01:58:32,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1541223635] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:58:32,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:58:32,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-08-29 01:58:32,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085690648] [2023-08-29 01:58:32,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:58:32,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-29 01:58:32,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:58:32,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-29 01:58:32,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-08-29 01:58:32,443 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 72 out of 152 [2023-08-29 01:58:32,443 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 36 transitions, 186 flow. Second operand has 4 states, 4 states have (on average 73.75) internal successors, (295), 4 states have internal predecessors, (295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:58:32,443 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:58:32,443 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 72 of 152 [2023-08-29 01:58:32,444 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:58:32,496 INFO L130 PetriNetUnfolder]: 31/158 cut-off events. [2023-08-29 01:58:32,497 INFO L131 PetriNetUnfolder]: For 197/201 co-relation queries the response was YES. [2023-08-29 01:58:32,497 INFO L83 FinitePrefix]: Finished finitePrefix Result has 498 conditions, 158 events. 31/158 cut-off events. For 197/201 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 795 event pairs, 9 based on Foata normal form. 4/155 useless extension candidates. Maximal degree in co-relation 484. Up to 64 conditions per place. [2023-08-29 01:58:32,499 INFO L137 encePairwiseOnDemand]: 147/152 looper letters, 15 selfloop transitions, 3 changer transitions 12/44 dead transitions. [2023-08-29 01:58:32,500 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 44 transitions, 292 flow [2023-08-29 01:58:32,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-29 01:58:32,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-29 01:58:32,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 312 transitions. [2023-08-29 01:58:32,502 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5131578947368421 [2023-08-29 01:58:32,502 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 312 transitions. [2023-08-29 01:58:32,502 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 312 transitions. [2023-08-29 01:58:32,502 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:58:32,503 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 312 transitions. [2023-08-29 01:58:32,503 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 78.0) internal successors, (312), 4 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:58:32,505 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 152.0) internal successors, (760), 5 states have internal predecessors, (760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:58:32,505 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 152.0) internal successors, (760), 5 states have internal predecessors, (760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:58:32,505 INFO L175 Difference]: Start difference. First operand has 37 places, 36 transitions, 186 flow. Second operand 4 states and 312 transitions. [2023-08-29 01:58:32,505 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 44 transitions, 292 flow [2023-08-29 01:58:32,508 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 44 transitions, 292 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 01:58:32,508 INFO L231 Difference]: Finished difference. Result has 41 places, 32 transitions, 172 flow [2023-08-29 01:58:32,509 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=186, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=172, PETRI_PLACES=41, PETRI_TRANSITIONS=32} [2023-08-29 01:58:32,509 INFO L281 CegarLoopForPetriNet]: 26 programPoint places, 15 predicate places. [2023-08-29 01:58:32,510 INFO L495 AbstractCegarLoop]: Abstraction has has 41 places, 32 transitions, 172 flow [2023-08-29 01:58:32,510 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 73.75) internal successors, (295), 4 states have internal predecessors, (295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:58:32,510 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:58:32,510 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:58:32,510 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-29 01:58:32,511 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-08-29 01:58:32,511 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:58:32,511 INFO L85 PathProgramCache]: Analyzing trace with hash 865816143, now seen corresponding path program 1 times [2023-08-29 01:58:32,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:58:32,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992768749] [2023-08-29 01:58:32,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:58:32,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:58:32,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:58:32,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:58:32,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:58:32,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992768749] [2023-08-29 01:58:32,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [992768749] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:58:32,582 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:58:32,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-08-29 01:58:32,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271460881] [2023-08-29 01:58:32,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:58:32,583 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-29 01:58:32,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:58:32,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-29 01:58:32,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-29 01:58:32,608 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 72 out of 152 [2023-08-29 01:58:32,608 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 32 transitions, 172 flow. Second operand has 4 states, 4 states have (on average 73.75) internal successors, (295), 4 states have internal predecessors, (295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:58:32,608 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:58:32,609 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 72 of 152 [2023-08-29 01:58:32,609 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:58:32,629 INFO L130 PetriNetUnfolder]: 3/18 cut-off events. [2023-08-29 01:58:32,629 INFO L131 PetriNetUnfolder]: For 49/50 co-relation queries the response was YES. [2023-08-29 01:58:32,630 INFO L83 FinitePrefix]: Finished finitePrefix Result has 73 conditions, 18 events. 3/18 cut-off events. For 49/50 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 12 event pairs, 0 based on Foata normal form. 7/25 useless extension candidates. Maximal degree in co-relation 63. Up to 7 conditions per place. [2023-08-29 01:58:32,630 INFO L137 encePairwiseOnDemand]: 148/152 looper letters, 0 selfloop transitions, 0 changer transitions 15/15 dead transitions. [2023-08-29 01:58:32,630 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 15 transitions, 106 flow [2023-08-29 01:58:32,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-29 01:58:32,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-29 01:58:32,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 374 transitions. [2023-08-29 01:58:32,632 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4921052631578947 [2023-08-29 01:58:32,632 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 374 transitions. [2023-08-29 01:58:32,632 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 374 transitions. [2023-08-29 01:58:32,632 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:58:32,632 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 374 transitions. [2023-08-29 01:58:32,633 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 74.8) internal successors, (374), 5 states have internal predecessors, (374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:58:32,635 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 152.0) internal successors, (912), 6 states have internal predecessors, (912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:58:32,635 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 152.0) internal successors, (912), 6 states have internal predecessors, (912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:58:32,635 INFO L175 Difference]: Start difference. First operand has 41 places, 32 transitions, 172 flow. Second operand 5 states and 374 transitions. [2023-08-29 01:58:32,635 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 15 transitions, 106 flow [2023-08-29 01:58:32,636 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 21 places, 15 transitions, 61 flow, removed 7 selfloop flow, removed 10 redundant places. [2023-08-29 01:58:32,636 INFO L231 Difference]: Finished difference. Result has 21 places, 0 transitions, 0 flow [2023-08-29 01:58:32,637 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=28, PETRI_DIFFERENCE_MINUEND_PLACES=17, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=11, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=11, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=21, PETRI_TRANSITIONS=0} [2023-08-29 01:58:32,637 INFO L281 CegarLoopForPetriNet]: 26 programPoint places, -5 predicate places. [2023-08-29 01:58:32,638 INFO L495 AbstractCegarLoop]: Abstraction has has 21 places, 0 transitions, 0 flow [2023-08-29 01:58:32,638 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 73.75) internal successors, (295), 4 states have internal predecessors, (295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:58:32,640 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2023-08-29 01:58:32,641 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2023-08-29 01:58:32,641 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2023-08-29 01:58:32,641 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2023-08-29 01:58:32,641 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2023-08-29 01:58:32,642 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2023-08-29 01:58:32,642 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2023-08-29 01:58:32,642 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-29 01:58:32,642 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1] [2023-08-29 01:58:32,647 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-29 01:58:32,647 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-29 01:58:32,650 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 01:58:32 BasicIcfg [2023-08-29 01:58:32,650 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-29 01:58:32,651 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-29 01:58:32,651 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-29 01:58:32,651 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-29 01:58:32,651 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 01:58:29" (3/4) ... [2023-08-29 01:58:32,653 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-29 01:58:32,658 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2023-08-29 01:58:32,662 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-08-29 01:58:32,662 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-08-29 01:58:32,662 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-29 01:58:32,691 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-29 01:58:32,691 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-29 01:58:32,692 INFO L158 Benchmark]: Toolchain (without parser) took 4589.77ms. Allocated memory was 79.7MB in the beginning and 121.6MB in the end (delta: 41.9MB). Free memory was 55.2MB in the beginning and 54.3MB in the end (delta: 874.4kB). Peak memory consumption was 45.7MB. Max. memory is 16.1GB. [2023-08-29 01:58:32,692 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 56.6MB. Free memory was 34.9MB in the beginning and 34.9MB in the end (delta: 48.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 01:58:32,692 INFO L158 Benchmark]: CACSL2BoogieTranslator took 650.36ms. Allocated memory is still 79.7MB. Free memory was 55.0MB in the beginning and 48.9MB in the end (delta: 6.1MB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB. [2023-08-29 01:58:32,693 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.31ms. Allocated memory is still 79.7MB. Free memory was 48.9MB in the beginning and 46.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 01:58:32,693 INFO L158 Benchmark]: Boogie Preprocessor took 45.08ms. Allocated memory is still 79.7MB. Free memory was 46.8MB in the beginning and 45.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 01:58:32,693 INFO L158 Benchmark]: RCFGBuilder took 379.58ms. Allocated memory is still 79.7MB. Free memory was 45.5MB in the beginning and 32.4MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-29 01:58:32,694 INFO L158 Benchmark]: TraceAbstraction took 3399.93ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 77.5MB in the beginning and 57.5MB in the end (delta: 20.1MB). Peak memory consumption was 39.5MB. Max. memory is 16.1GB. [2023-08-29 01:58:32,694 INFO L158 Benchmark]: Witness Printer took 40.73ms. Allocated memory is still 121.6MB. Free memory was 56.4MB in the beginning and 54.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 01:58:32,696 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 56.6MB. Free memory was 34.9MB in the beginning and 34.9MB in the end (delta: 48.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 650.36ms. Allocated memory is still 79.7MB. Free memory was 55.0MB in the beginning and 48.9MB in the end (delta: 6.1MB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.31ms. Allocated memory is still 79.7MB. Free memory was 48.9MB in the beginning and 46.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.08ms. Allocated memory is still 79.7MB. Free memory was 46.8MB in the beginning and 45.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 379.58ms. Allocated memory is still 79.7MB. Free memory was 45.5MB in the beginning and 32.4MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 3399.93ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 77.5MB in the beginning and 57.5MB in the end (delta: 20.1MB). Peak memory consumption was 39.5MB. Max. memory is 16.1GB. * Witness Printer took 40.73ms. Allocated memory is still 121.6MB. Free memory was 56.4MB in the beginning and 54.3MB 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: 1.7s, 80 PlacesBefore, 26 PlacesAfterwards, 80 TransitionsBefore, 24 TransitionsAfterwards, 1394 CoEnabledTransitionPairs, 5 FixpointIterations, 20 TrivialSequentialCompositions, 32 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 17 ConcurrentYvCompositions, 2 ChoiceCompositions, 71 TotalNumberOfCompositions, 3783 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1555, independent: 1371, independent conditional: 0, independent unconditional: 1371, dependent: 184, dependent conditional: 0, dependent unconditional: 184, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 803, independent: 767, independent conditional: 0, independent unconditional: 767, dependent: 36, dependent conditional: 0, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1555, independent: 604, independent conditional: 0, independent unconditional: 604, dependent: 148, dependent conditional: 0, dependent unconditional: 148, unknown: 803, unknown conditional: 0, unknown unconditional: 803] , Statistics on independence cache: Total cache size (in pairs): 72, Positive cache size: 53, Positive conditional cache size: 0, Positive unconditional cache size: 53, Negative cache size: 19, Negative conditional cache size: 0, Negative unconditional cache size: 19, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 949]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 949]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 932]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 932]: 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, 97 locations, 7 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: 3.3s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.8s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 235 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 110 mSDsluCounter, 74 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 22 mSDsCounter, 27 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 346 IncrementalHoareTripleChecker+Invalid, 373 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 27 mSolverCounterUnsat, 52 mSDtfsCounter, 346 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=186occurred in iteration=4, InterpolantAutomatonStates: 22, 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, 0.5s InterpolantComputationTime, 56 NumberOfCodeBlocks, 56 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 50 ConstructedInterpolants, 0 QuantifiedInterpolants, 110 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 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-29 01:58:32,714 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