./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_25-struct_nr_true.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/13-privatized_25-struct_nr_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 4017723c7e4b1f7c431c7e7a6ea6ca9df8ac56fc590cd03021a11577cb455eff --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 02:38:11,664 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 02:38:11,666 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 02:38:11,712 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 02:38:11,713 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 02:38:11,724 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 02:38:11,726 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 02:38:11,727 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 02:38:11,728 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 02:38:11,729 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 02:38:11,729 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 02:38:11,730 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 02:38:11,731 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 02:38:11,731 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 02:38:11,732 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 02:38:11,733 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 02:38:11,734 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 02:38:11,734 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 02:38:11,736 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 02:38:11,737 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 02:38:11,738 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 02:38:11,739 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 02:38:11,740 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 02:38:11,741 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 02:38:11,743 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 02:38:11,744 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 02:38:11,744 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 02:38:11,745 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 02:38:11,745 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 02:38:11,746 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 02:38:11,746 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 02:38:11,747 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 02:38:11,747 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 02:38:11,748 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 02:38:11,749 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 02:38:11,749 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 02:38:11,750 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 02:38:11,750 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 02:38:11,750 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 02:38:11,751 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 02:38:11,752 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 02:38:11,753 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 02:38:11,777 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 02:38:11,778 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 02:38:11,779 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 02:38:11,779 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 02:38:11,780 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 02:38:11,780 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 02:38:11,781 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 02:38:11,781 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 02:38:11,782 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 02:38:11,782 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 02:38:11,782 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 02:38:11,783 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 02:38:11,783 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 02:38:11,783 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 02:38:11,783 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 02:38:11,783 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 02:38:11,783 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 02:38:11,784 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 02:38:11,784 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 02:38:11,784 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 02:38:11,784 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 02:38:11,784 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 02:38:11,784 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 02:38:11,785 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 02:38:11,785 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 02:38:11,785 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 02:38:11,785 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 02:38:11,785 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 02:38:11,786 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 02:38:11,786 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 02:38:11,786 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 02:38:11,786 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 02:38:11,786 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 02:38:11,787 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 02:38:11,787 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 02:38:11,787 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 02:38:11,787 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 02:38:11,787 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4017723c7e4b1f7c431c7e7a6ea6ca9df8ac56fc590cd03021a11577cb455eff Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> AFTER [2023-08-29 02:38:12,091 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 02:38:12,117 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 02:38:12,120 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 02:38:12,121 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 02:38:12,122 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 02:38:12,123 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_25-struct_nr_true.i [2023-08-29 02:38:13,409 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 02:38:13,667 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 02:38:13,668 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_25-struct_nr_true.i [2023-08-29 02:38:13,679 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/825b7587c/0d8b496276d145f0a50bf8be7a4e715c/FLAGb5d82dd75 [2023-08-29 02:38:13,691 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/825b7587c/0d8b496276d145f0a50bf8be7a4e715c [2023-08-29 02:38:13,694 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 02:38:13,695 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 02:38:13,696 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 02:38:13,696 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 02:38:13,699 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 02:38:13,699 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 02:38:13" (1/1) ... [2023-08-29 02:38:13,700 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56cdf950 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:38:13, skipping insertion in model container [2023-08-29 02:38:13,700 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 02:38:13" (1/1) ... [2023-08-29 02:38:13,706 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 02:38:13,737 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 02:38:13,881 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_25-struct_nr_true.i[1086,1099] [2023-08-29 02:38:14,039 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 02:38:14,050 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 02:38:14,063 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_25-struct_nr_true.i[1086,1099] [2023-08-29 02:38:14,092 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 02:38:14,142 INFO L208 MainTranslator]: Completed translation [2023-08-29 02:38:14,142 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:38:14 WrapperNode [2023-08-29 02:38:14,142 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 02:38:14,144 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 02:38:14,144 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 02:38:14,144 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 02:38:14,150 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:38:14" (1/1) ... [2023-08-29 02:38:14,179 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:38:14" (1/1) ... [2023-08-29 02:38:14,206 INFO L138 Inliner]: procedures = 162, calls = 24, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 109 [2023-08-29 02:38:14,207 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 02:38:14,208 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 02:38:14,208 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 02:38:14,209 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 02:38:14,216 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:38:14" (1/1) ... [2023-08-29 02:38:14,217 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:38:14" (1/1) ... [2023-08-29 02:38:14,227 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:38:14" (1/1) ... [2023-08-29 02:38:14,227 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:38:14" (1/1) ... [2023-08-29 02:38:14,232 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:38:14" (1/1) ... [2023-08-29 02:38:14,237 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:38:14" (1/1) ... [2023-08-29 02:38:14,238 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:38:14" (1/1) ... [2023-08-29 02:38:14,240 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:38:14" (1/1) ... [2023-08-29 02:38:14,242 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 02:38:14,243 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 02:38:14,243 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 02:38:14,243 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 02:38:14,243 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:38:14" (1/1) ... [2023-08-29 02:38:14,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 02:38:14,261 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 02:38:14,277 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 02:38:14,298 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 02:38:14,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 02:38:14,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 02:38:14,318 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-29 02:38:14,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 02:38:14,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 02:38:14,320 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-29 02:38:14,321 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-29 02:38:14,321 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 02:38:14,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 02:38:14,321 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 02:38:14,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 02:38:14,322 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 02:38:14,419 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 02:38:14,421 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 02:38:14,657 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 02:38:14,664 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 02:38:14,664 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-29 02:38:14,666 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 02:38:14 BoogieIcfgContainer [2023-08-29 02:38:14,666 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 02:38:14,669 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 02:38:14,669 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 02:38:14,672 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 02:38:14,672 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 02:38:13" (1/3) ... [2023-08-29 02:38:14,672 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d0ce5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 02:38:14, skipping insertion in model container [2023-08-29 02:38:14,673 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:38:14" (2/3) ... [2023-08-29 02:38:14,673 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d0ce5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 02:38:14, skipping insertion in model container [2023-08-29 02:38:14,673 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 02:38:14" (3/3) ... [2023-08-29 02:38:14,674 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_25-struct_nr_true.i [2023-08-29 02:38:14,681 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 02:38:14,691 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 02:38:14,691 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 11 error locations. [2023-08-29 02:38:14,691 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 02:38:14,748 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-08-29 02:38:14,783 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 124 places, 124 transitions, 256 flow [2023-08-29 02:38:14,829 INFO L130 PetriNetUnfolder]: 4/123 cut-off events. [2023-08-29 02:38:14,829 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2023-08-29 02:38:14,835 INFO L83 FinitePrefix]: Finished finitePrefix Result has 128 conditions, 123 events. 4/123 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 123 event pairs, 0 based on Foata normal form. 0/108 useless extension candidates. Maximal degree in co-relation 84. Up to 2 conditions per place. [2023-08-29 02:38:14,836 INFO L82 GeneralOperation]: Start removeDead. Operand has 124 places, 124 transitions, 256 flow [2023-08-29 02:38:14,840 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 116 places, 116 transitions, 235 flow [2023-08-29 02:38:14,843 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 02:38:14,851 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 116 places, 116 transitions, 235 flow [2023-08-29 02:38:14,853 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 116 places, 116 transitions, 235 flow [2023-08-29 02:38:14,854 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 116 places, 116 transitions, 235 flow [2023-08-29 02:38:14,878 INFO L130 PetriNetUnfolder]: 4/116 cut-off events. [2023-08-29 02:38:14,881 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 02:38:14,883 INFO L83 FinitePrefix]: Finished finitePrefix Result has 120 conditions, 116 events. 4/116 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 123 event pairs, 0 based on Foata normal form. 0/101 useless extension candidates. Maximal degree in co-relation 84. Up to 2 conditions per place. [2023-08-29 02:38:14,886 INFO L119 LiptonReduction]: Number of co-enabled transitions 3520 [2023-08-29 02:38:17,252 INFO L134 LiptonReduction]: Checked pairs total: 14432 [2023-08-29 02:38:17,252 INFO L136 LiptonReduction]: Total number of compositions: 88 [2023-08-29 02:38:17,265 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 02:38:17,270 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;@e3e7f83, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 02:38:17,270 INFO L358 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2023-08-29 02:38:17,272 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-29 02:38:17,272 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 02:38:17,272 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:38:17,272 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-29 02:38:17,273 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2023-08-29 02:38:17,277 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:38:17,277 INFO L85 PathProgramCache]: Analyzing trace with hash 428, now seen corresponding path program 1 times [2023-08-29 02:38:17,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:38:17,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445104301] [2023-08-29 02:38:17,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:38:17,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:38:17,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:38:17,368 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 02:38:17,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:38:17,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445104301] [2023-08-29 02:38:17,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1445104301] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 02:38:17,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 02:38:17,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-29 02:38:17,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81247532] [2023-08-29 02:38:17,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 02:38:17,380 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-29 02:38:17,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:38:17,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-29 02:38:17,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-29 02:38:17,404 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 212 [2023-08-29 02:38:17,407 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 50 transitions, 103 flow. Second operand has 2 states, 2 states have (on average 114.5) internal successors, (229), 2 states have internal predecessors, (229), 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 02:38:17,407 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:38:17,407 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 212 [2023-08-29 02:38:17,408 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:38:17,501 INFO L130 PetriNetUnfolder]: 120/400 cut-off events. [2023-08-29 02:38:17,502 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 02:38:17,503 INFO L83 FinitePrefix]: Finished finitePrefix Result has 669 conditions, 400 events. 120/400 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 2063 event pairs, 120 based on Foata normal form. 22/358 useless extension candidates. Maximal degree in co-relation 660. Up to 265 conditions per place. [2023-08-29 02:38:17,505 INFO L137 encePairwiseOnDemand]: 207/212 looper letters, 24 selfloop transitions, 0 changer transitions 0/44 dead transitions. [2023-08-29 02:38:17,505 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 44 transitions, 139 flow [2023-08-29 02:38:17,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-29 02:38:17,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-29 02:38:17,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 257 transitions. [2023-08-29 02:38:17,518 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6061320754716981 [2023-08-29 02:38:17,518 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 257 transitions. [2023-08-29 02:38:17,519 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 257 transitions. [2023-08-29 02:38:17,520 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:38:17,522 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 257 transitions. [2023-08-29 02:38:17,524 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 128.5) internal successors, (257), 2 states have internal predecessors, (257), 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 02:38:17,532 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 212.0) internal successors, (636), 3 states have internal predecessors, (636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:38:17,532 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 212.0) internal successors, (636), 3 states have internal predecessors, (636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:38:17,534 INFO L175 Difference]: Start difference. First operand has 51 places, 50 transitions, 103 flow. Second operand 2 states and 257 transitions. [2023-08-29 02:38:17,535 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 44 transitions, 139 flow [2023-08-29 02:38:17,536 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 44 transitions, 138 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 02:38:17,538 INFO L231 Difference]: Finished difference. Result has 48 places, 44 transitions, 90 flow [2023-08-29 02:38:17,540 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=212, PETRI_DIFFERENCE_MINUEND_FLOW=90, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=90, PETRI_PLACES=48, PETRI_TRANSITIONS=44} [2023-08-29 02:38:17,543 INFO L281 CegarLoopForPetriNet]: 51 programPoint places, -3 predicate places. [2023-08-29 02:38:17,544 INFO L495 AbstractCegarLoop]: Abstraction has has 48 places, 44 transitions, 90 flow [2023-08-29 02:38:17,544 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 114.5) internal successors, (229), 2 states have internal predecessors, (229), 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 02:38:17,544 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:38:17,545 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-08-29 02:38:17,545 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 02:38:17,546 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2023-08-29 02:38:17,547 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:38:17,547 INFO L85 PathProgramCache]: Analyzing trace with hash 405768759, now seen corresponding path program 1 times [2023-08-29 02:38:17,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:38:17,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988439573] [2023-08-29 02:38:17,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:38:17,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:38:17,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:38:17,669 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 02:38:17,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:38:17,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988439573] [2023-08-29 02:38:17,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1988439573] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 02:38:17,670 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 02:38:17,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 02:38:17,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689242732] [2023-08-29 02:38:17,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 02:38:17,671 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 02:38:17,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:38:17,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 02:38:17,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 02:38:17,716 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 92 out of 212 [2023-08-29 02:38:17,717 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 44 transitions, 90 flow. Second operand has 3 states, 3 states have (on average 93.66666666666667) internal successors, (281), 3 states have internal predecessors, (281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:38:17,717 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:38:17,717 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 92 of 212 [2023-08-29 02:38:17,717 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:38:17,821 INFO L130 PetriNetUnfolder]: 273/732 cut-off events. [2023-08-29 02:38:17,821 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 02:38:17,823 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1360 conditions, 732 events. 273/732 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 3983 event pairs, 119 based on Foata normal form. 0/654 useless extension candidates. Maximal degree in co-relation 1357. Up to 389 conditions per place. [2023-08-29 02:38:17,826 INFO L137 encePairwiseOnDemand]: 192/212 looper letters, 48 selfloop transitions, 15 changer transitions 0/72 dead transitions. [2023-08-29 02:38:17,826 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 72 transitions, 272 flow [2023-08-29 02:38:17,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 02:38:17,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 02:38:17,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 344 transitions. [2023-08-29 02:38:17,829 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5408805031446541 [2023-08-29 02:38:17,829 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 344 transitions. [2023-08-29 02:38:17,829 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 344 transitions. [2023-08-29 02:38:17,830 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:38:17,830 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 344 transitions. [2023-08-29 02:38:17,831 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 114.66666666666667) internal successors, (344), 3 states have internal predecessors, (344), 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 02:38:17,833 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 212.0) internal successors, (848), 4 states have internal predecessors, (848), 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 02:38:17,834 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 212.0) internal successors, (848), 4 states have internal predecessors, (848), 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 02:38:17,834 INFO L175 Difference]: Start difference. First operand has 48 places, 44 transitions, 90 flow. Second operand 3 states and 344 transitions. [2023-08-29 02:38:17,834 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 72 transitions, 272 flow [2023-08-29 02:38:17,835 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 72 transitions, 272 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 02:38:17,836 INFO L231 Difference]: Finished difference. Result has 52 places, 58 transitions, 216 flow [2023-08-29 02:38:17,836 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=212, PETRI_DIFFERENCE_MINUEND_FLOW=90, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=216, PETRI_PLACES=52, PETRI_TRANSITIONS=58} [2023-08-29 02:38:17,837 INFO L281 CegarLoopForPetriNet]: 51 programPoint places, 1 predicate places. [2023-08-29 02:38:17,837 INFO L495 AbstractCegarLoop]: Abstraction has has 52 places, 58 transitions, 216 flow [2023-08-29 02:38:17,838 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 93.66666666666667) internal successors, (281), 3 states have internal predecessors, (281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:38:17,838 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:38:17,838 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 02:38:17,838 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-29 02:38:17,838 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2023-08-29 02:38:17,839 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:38:17,839 INFO L85 PathProgramCache]: Analyzing trace with hash 86090012, now seen corresponding path program 1 times [2023-08-29 02:38:17,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:38:17,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904418031] [2023-08-29 02:38:17,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:38:17,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:38:17,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:38:17,928 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 02:38:17,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:38:17,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904418031] [2023-08-29 02:38:17,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904418031] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 02:38:17,930 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 02:38:17,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 02:38:17,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191112218] [2023-08-29 02:38:17,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 02:38:17,931 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 02:38:17,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:38:17,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 02:38:17,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 02:38:17,978 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 100 out of 212 [2023-08-29 02:38:17,978 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 58 transitions, 216 flow. Second operand has 3 states, 3 states have (on average 102.33333333333333) internal successors, (307), 3 states have internal predecessors, (307), 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 02:38:17,979 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:38:17,979 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 212 [2023-08-29 02:38:17,979 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:38:18,081 INFO L130 PetriNetUnfolder]: 270/733 cut-off events. [2023-08-29 02:38:18,081 INFO L131 PetriNetUnfolder]: For 317/336 co-relation queries the response was YES. [2023-08-29 02:38:18,082 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1757 conditions, 733 events. 270/733 cut-off events. For 317/336 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 4053 event pairs, 158 based on Foata normal form. 4/669 useless extension candidates. Maximal degree in co-relation 1752. Up to 498 conditions per place. [2023-08-29 02:38:18,084 INFO L137 encePairwiseOnDemand]: 203/212 looper letters, 40 selfloop transitions, 13 changer transitions 0/75 dead transitions. [2023-08-29 02:38:18,084 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 75 transitions, 388 flow [2023-08-29 02:38:18,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 02:38:18,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 02:38:18,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 341 transitions. [2023-08-29 02:38:18,086 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5361635220125787 [2023-08-29 02:38:18,086 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 341 transitions. [2023-08-29 02:38:18,086 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 341 transitions. [2023-08-29 02:38:18,087 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:38:18,087 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 341 transitions. [2023-08-29 02:38:18,088 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 113.66666666666667) internal successors, (341), 3 states have internal predecessors, (341), 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 02:38:18,089 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 212.0) internal successors, (848), 4 states have internal predecessors, (848), 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 02:38:18,090 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 212.0) internal successors, (848), 4 states have internal predecessors, (848), 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 02:38:18,090 INFO L175 Difference]: Start difference. First operand has 52 places, 58 transitions, 216 flow. Second operand 3 states and 341 transitions. [2023-08-29 02:38:18,090 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 75 transitions, 388 flow [2023-08-29 02:38:18,093 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 75 transitions, 346 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-29 02:38:18,094 INFO L231 Difference]: Finished difference. Result has 54 places, 69 transitions, 304 flow [2023-08-29 02:38:18,094 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=212, PETRI_DIFFERENCE_MINUEND_FLOW=186, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=304, PETRI_PLACES=54, PETRI_TRANSITIONS=69} [2023-08-29 02:38:18,095 INFO L281 CegarLoopForPetriNet]: 51 programPoint places, 3 predicate places. [2023-08-29 02:38:18,095 INFO L495 AbstractCegarLoop]: Abstraction has has 54 places, 69 transitions, 304 flow [2023-08-29 02:38:18,095 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 102.33333333333333) internal successors, (307), 3 states have internal predecessors, (307), 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 02:38:18,095 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:38:18,095 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 02:38:18,096 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-29 02:38:18,096 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2023-08-29 02:38:18,096 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:38:18,096 INFO L85 PathProgramCache]: Analyzing trace with hash -388417828, now seen corresponding path program 1 times [2023-08-29 02:38:18,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:38:18,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113766520] [2023-08-29 02:38:18,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:38:18,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:38:18,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:38:18,125 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 02:38:18,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:38:18,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113766520] [2023-08-29 02:38:18,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113766520] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 02:38:18,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 02:38:18,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 02:38:18,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985104231] [2023-08-29 02:38:18,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 02:38:18,127 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 02:38:18,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:38:18,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 02:38:18,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 02:38:18,159 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 212 [2023-08-29 02:38:18,160 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 69 transitions, 304 flow. Second operand has 3 states, 3 states have (on average 101.33333333333333) internal successors, (304), 3 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:38:18,160 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:38:18,160 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 212 [2023-08-29 02:38:18,160 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:38:18,268 INFO L130 PetriNetUnfolder]: 300/791 cut-off events. [2023-08-29 02:38:18,269 INFO L131 PetriNetUnfolder]: For 656/696 co-relation queries the response was YES. [2023-08-29 02:38:18,270 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2040 conditions, 791 events. 300/791 cut-off events. For 656/696 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 4453 event pairs, 146 based on Foata normal form. 9/705 useless extension candidates. Maximal degree in co-relation 2034. Up to 507 conditions per place. [2023-08-29 02:38:18,274 INFO L137 encePairwiseOnDemand]: 204/212 looper letters, 49 selfloop transitions, 15 changer transitions 0/88 dead transitions. [2023-08-29 02:38:18,274 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 88 transitions, 510 flow [2023-08-29 02:38:18,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 02:38:18,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 02:38:18,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 338 transitions. [2023-08-29 02:38:18,276 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5314465408805031 [2023-08-29 02:38:18,276 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 338 transitions. [2023-08-29 02:38:18,276 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 338 transitions. [2023-08-29 02:38:18,277 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:38:18,277 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 338 transitions. [2023-08-29 02:38:18,278 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 112.66666666666667) internal successors, (338), 3 states have internal predecessors, (338), 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 02:38:18,279 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 212.0) internal successors, (848), 4 states have internal predecessors, (848), 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 02:38:18,280 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 212.0) internal successors, (848), 4 states have internal predecessors, (848), 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 02:38:18,280 INFO L175 Difference]: Start difference. First operand has 54 places, 69 transitions, 304 flow. Second operand 3 states and 338 transitions. [2023-08-29 02:38:18,280 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 88 transitions, 510 flow [2023-08-29 02:38:18,282 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 88 transitions, 476 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-29 02:38:18,284 INFO L231 Difference]: Finished difference. Result has 56 places, 80 transitions, 416 flow [2023-08-29 02:38:18,284 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=212, PETRI_DIFFERENCE_MINUEND_FLOW=278, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=416, PETRI_PLACES=56, PETRI_TRANSITIONS=80} [2023-08-29 02:38:18,285 INFO L281 CegarLoopForPetriNet]: 51 programPoint places, 5 predicate places. [2023-08-29 02:38:18,285 INFO L495 AbstractCegarLoop]: Abstraction has has 56 places, 80 transitions, 416 flow [2023-08-29 02:38:18,285 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 101.33333333333333) internal successors, (304), 3 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:38:18,285 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:38:18,286 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 02:38:18,286 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-29 02:38:18,286 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2023-08-29 02:38:18,286 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:38:18,287 INFO L85 PathProgramCache]: Analyzing trace with hash 1159404419, now seen corresponding path program 1 times [2023-08-29 02:38:18,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:38:18,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153031114] [2023-08-29 02:38:18,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:38:18,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:38:18,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:38:18,373 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 02:38:18,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:38:18,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153031114] [2023-08-29 02:38:18,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [153031114] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 02:38:18,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 02:38:18,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-29 02:38:18,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96476100] [2023-08-29 02:38:18,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 02:38:18,375 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 02:38:18,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:38:18,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 02:38:18,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 02:38:18,394 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 212 [2023-08-29 02:38:18,394 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 80 transitions, 416 flow. Second operand has 3 states, 3 states have (on average 111.66666666666667) internal successors, (335), 3 states have internal predecessors, (335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:38:18,395 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:38:18,395 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 212 [2023-08-29 02:38:18,395 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:38:18,432 INFO L130 PetriNetUnfolder]: 1/72 cut-off events. [2023-08-29 02:38:18,432 INFO L131 PetriNetUnfolder]: For 48/48 co-relation queries the response was YES. [2023-08-29 02:38:18,433 INFO L83 FinitePrefix]: Finished finitePrefix Result has 188 conditions, 72 events. 1/72 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 88 event pairs, 0 based on Foata normal form. 20/88 useless extension candidates. Maximal degree in co-relation 181. Up to 40 conditions per place. [2023-08-29 02:38:18,433 INFO L137 encePairwiseOnDemand]: 208/212 looper letters, 20 selfloop transitions, 4 changer transitions 2/39 dead transitions. [2023-08-29 02:38:18,433 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 39 transitions, 200 flow [2023-08-29 02:38:18,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 02:38:18,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 02:38:18,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 353 transitions. [2023-08-29 02:38:18,435 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5550314465408805 [2023-08-29 02:38:18,435 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 353 transitions. [2023-08-29 02:38:18,435 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 353 transitions. [2023-08-29 02:38:18,436 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:38:18,436 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 353 transitions. [2023-08-29 02:38:18,437 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 117.66666666666667) internal successors, (353), 3 states have internal predecessors, (353), 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 02:38:18,438 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 212.0) internal successors, (848), 4 states have internal predecessors, (848), 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 02:38:18,438 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 212.0) internal successors, (848), 4 states have internal predecessors, (848), 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 02:38:18,439 INFO L175 Difference]: Start difference. First operand has 56 places, 80 transitions, 416 flow. Second operand 3 states and 353 transitions. [2023-08-29 02:38:18,439 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 39 transitions, 200 flow [2023-08-29 02:38:18,440 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 39 transitions, 154 flow, removed 17 selfloop flow, removed 6 redundant places. [2023-08-29 02:38:18,442 INFO L231 Difference]: Finished difference. Result has 45 places, 37 transitions, 106 flow [2023-08-29 02:38:18,442 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=212, PETRI_DIFFERENCE_MINUEND_FLOW=102, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=106, PETRI_PLACES=45, PETRI_TRANSITIONS=37} [2023-08-29 02:38:18,442 INFO L281 CegarLoopForPetriNet]: 51 programPoint places, -6 predicate places. [2023-08-29 02:38:18,443 INFO L495 AbstractCegarLoop]: Abstraction has has 45 places, 37 transitions, 106 flow [2023-08-29 02:38:18,443 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 111.66666666666667) internal successors, (335), 3 states have internal predecessors, (335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 02:38:18,443 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:38:18,443 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 02:38:18,443 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-29 02:38:18,444 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2023-08-29 02:38:18,444 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:38:18,444 INFO L85 PathProgramCache]: Analyzing trace with hash 453610092, now seen corresponding path program 1 times [2023-08-29 02:38:18,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:38:18,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816136290] [2023-08-29 02:38:18,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:38:18,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:38:18,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:38:18,473 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 02:38:18,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:38:18,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816136290] [2023-08-29 02:38:18,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816136290] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 02:38:18,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 02:38:18,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 02:38:18,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075614811] [2023-08-29 02:38:18,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 02:38:18,474 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 02:38:18,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:38:18,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 02:38:18,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 02:38:18,506 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 100 out of 212 [2023-08-29 02:38:18,507 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 37 transitions, 106 flow. Second operand has 3 states, 3 states have (on average 103.66666666666667) internal successors, (311), 3 states have internal predecessors, (311), 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 02:38:18,507 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:38:18,507 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 212 [2023-08-29 02:38:18,508 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:38:18,551 INFO L130 PetriNetUnfolder]: 1/66 cut-off events. [2023-08-29 02:38:18,552 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2023-08-29 02:38:18,552 INFO L83 FinitePrefix]: Finished finitePrefix Result has 142 conditions, 66 events. 1/66 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 67 event pairs, 0 based on Foata normal form. 0/66 useless extension candidates. Maximal degree in co-relation 137. Up to 43 conditions per place. [2023-08-29 02:38:18,553 INFO L137 encePairwiseOnDemand]: 209/212 looper letters, 20 selfloop transitions, 2 changer transitions 3/36 dead transitions. [2023-08-29 02:38:18,553 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 36 transitions, 154 flow [2023-08-29 02:38:18,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 02:38:18,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 02:38:18,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 324 transitions. [2023-08-29 02:38:18,555 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5094339622641509 [2023-08-29 02:38:18,555 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 324 transitions. [2023-08-29 02:38:18,555 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 324 transitions. [2023-08-29 02:38:18,555 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:38:18,555 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 324 transitions. [2023-08-29 02:38:18,556 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 108.0) internal successors, (324), 3 states have internal predecessors, (324), 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 02:38:18,558 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 212.0) internal successors, (848), 4 states have internal predecessors, (848), 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 02:38:18,558 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 212.0) internal successors, (848), 4 states have internal predecessors, (848), 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 02:38:18,558 INFO L175 Difference]: Start difference. First operand has 45 places, 37 transitions, 106 flow. Second operand 3 states and 324 transitions. [2023-08-29 02:38:18,558 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 36 transitions, 154 flow [2023-08-29 02:38:18,559 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 36 transitions, 150 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 02:38:18,561 INFO L231 Difference]: Finished difference. Result has 43 places, 33 transitions, 95 flow [2023-08-29 02:38:18,561 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=212, PETRI_DIFFERENCE_MINUEND_FLOW=100, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=95, PETRI_PLACES=43, PETRI_TRANSITIONS=33} [2023-08-29 02:38:18,563 INFO L281 CegarLoopForPetriNet]: 51 programPoint places, -8 predicate places. [2023-08-29 02:38:18,563 INFO L495 AbstractCegarLoop]: Abstraction has has 43 places, 33 transitions, 95 flow [2023-08-29 02:38:18,564 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 103.66666666666667) internal successors, (311), 3 states have internal predecessors, (311), 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 02:38:18,564 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 02:38:18,564 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 02:38:18,564 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-29 02:38:18,564 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2023-08-29 02:38:18,565 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 02:38:18,565 INFO L85 PathProgramCache]: Analyzing trace with hash 1160156710, now seen corresponding path program 1 times [2023-08-29 02:38:18,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 02:38:18,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101297653] [2023-08-29 02:38:18,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 02:38:18,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 02:38:18,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 02:38:18,615 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 02:38:18,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 02:38:18,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101297653] [2023-08-29 02:38:18,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101297653] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 02:38:18,618 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 02:38:18,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 02:38:18,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101783026] [2023-08-29 02:38:18,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 02:38:18,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 02:38:18,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 02:38:18,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 02:38:18,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 02:38:18,655 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 212 [2023-08-29 02:38:18,656 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 33 transitions, 95 flow. Second operand has 3 states, 3 states have (on average 103.0) internal successors, (309), 3 states have internal predecessors, (309), 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 02:38:18,656 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 02:38:18,656 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 212 [2023-08-29 02:38:18,657 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 02:38:18,682 INFO L130 PetriNetUnfolder]: 0/46 cut-off events. [2023-08-29 02:38:18,682 INFO L131 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2023-08-29 02:38:18,682 INFO L83 FinitePrefix]: Finished finitePrefix Result has 100 conditions, 46 events. 0/46 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 30 event pairs, 0 based on Foata normal form. 2/48 useless extension candidates. Maximal degree in co-relation 0. Up to 29 conditions per place. [2023-08-29 02:38:18,682 INFO L137 encePairwiseOnDemand]: 210/212 looper letters, 0 selfloop transitions, 0 changer transitions 32/32 dead transitions. [2023-08-29 02:38:18,683 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 32 transitions, 137 flow [2023-08-29 02:38:18,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 02:38:18,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 02:38:18,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 319 transitions. [2023-08-29 02:38:18,684 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5015723270440252 [2023-08-29 02:38:18,684 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 319 transitions. [2023-08-29 02:38:18,684 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 319 transitions. [2023-08-29 02:38:18,685 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 02:38:18,685 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 319 transitions. [2023-08-29 02:38:18,686 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 106.33333333333333) internal successors, (319), 3 states have internal predecessors, (319), 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 02:38:18,688 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 212.0) internal successors, (848), 4 states have internal predecessors, (848), 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 02:38:18,688 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 212.0) internal successors, (848), 4 states have internal predecessors, (848), 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 02:38:18,688 INFO L175 Difference]: Start difference. First operand has 43 places, 33 transitions, 95 flow. Second operand 3 states and 319 transitions. [2023-08-29 02:38:18,688 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 32 transitions, 137 flow [2023-08-29 02:38:18,689 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 32 transitions, 131 flow, removed 1 selfloop flow, removed 2 redundant places. [2023-08-29 02:38:18,689 INFO L231 Difference]: Finished difference. Result has 40 places, 0 transitions, 0 flow [2023-08-29 02:38:18,689 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=212, PETRI_DIFFERENCE_MINUEND_FLOW=87, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=40, PETRI_TRANSITIONS=0} [2023-08-29 02:38:18,690 INFO L281 CegarLoopForPetriNet]: 51 programPoint places, -11 predicate places. [2023-08-29 02:38:18,690 INFO L495 AbstractCegarLoop]: Abstraction has has 40 places, 0 transitions, 0 flow [2023-08-29 02:38:18,690 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 103.0) internal successors, (309), 3 states have internal predecessors, (309), 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 02:38:18,693 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (15 of 16 remaining) [2023-08-29 02:38:18,693 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (14 of 16 remaining) [2023-08-29 02:38:18,693 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (13 of 16 remaining) [2023-08-29 02:38:18,693 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (12 of 16 remaining) [2023-08-29 02:38:18,694 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (11 of 16 remaining) [2023-08-29 02:38:18,694 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (10 of 16 remaining) [2023-08-29 02:38:18,694 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (9 of 16 remaining) [2023-08-29 02:38:18,694 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 16 remaining) [2023-08-29 02:38:18,694 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (7 of 16 remaining) [2023-08-29 02:38:18,695 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (6 of 16 remaining) [2023-08-29 02:38:18,695 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (5 of 16 remaining) [2023-08-29 02:38:18,695 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (4 of 16 remaining) [2023-08-29 02:38:18,695 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 16 remaining) [2023-08-29 02:38:18,695 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 16 remaining) [2023-08-29 02:38:18,696 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (1 of 16 remaining) [2023-08-29 02:38:18,696 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (0 of 16 remaining) [2023-08-29 02:38:18,696 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-29 02:38:18,696 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2023-08-29 02:38:18,704 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-29 02:38:18,704 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-29 02:38:18,708 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 02:38:18 BasicIcfg [2023-08-29 02:38:18,708 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-29 02:38:18,708 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-29 02:38:18,708 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-29 02:38:18,708 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-29 02:38:18,709 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 02:38:14" (3/4) ... [2023-08-29 02:38:18,711 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-29 02:38:18,716 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2023-08-29 02:38:18,719 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2023-08-29 02:38:18,719 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-08-29 02:38:18,720 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-29 02:38:18,720 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-29 02:38:18,749 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-29 02:38:18,749 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-29 02:38:18,750 INFO L158 Benchmark]: Toolchain (without parser) took 5054.89ms. Allocated memory was 71.3MB in the beginning and 104.9MB in the end (delta: 33.6MB). Free memory was 47.1MB in the beginning and 54.3MB in the end (delta: -7.3MB). Peak memory consumption was 28.0MB. Max. memory is 16.1GB. [2023-08-29 02:38:18,750 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 71.3MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 02:38:18,750 INFO L158 Benchmark]: CACSL2BoogieTranslator took 446.98ms. Allocated memory is still 71.3MB. Free memory was 46.9MB in the beginning and 46.0MB in the end (delta: 912.0kB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. [2023-08-29 02:38:18,751 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.39ms. Allocated memory is still 71.3MB. Free memory was 45.8MB in the beginning and 43.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 02:38:18,751 INFO L158 Benchmark]: Boogie Preprocessor took 34.07ms. Allocated memory is still 71.3MB. Free memory was 43.7MB in the beginning and 42.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 02:38:18,751 INFO L158 Benchmark]: RCFGBuilder took 423.74ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 42.1MB in the beginning and 61.9MB in the end (delta: -19.8MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. [2023-08-29 02:38:18,751 INFO L158 Benchmark]: TraceAbstraction took 4039.18ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 61.0MB in the beginning and 57.5MB in the end (delta: 3.5MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. [2023-08-29 02:38:18,752 INFO L158 Benchmark]: Witness Printer took 40.98ms. Allocated memory is still 104.9MB. Free memory was 57.5MB in the beginning and 54.3MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 02:38:18,753 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 71.3MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 446.98ms. Allocated memory is still 71.3MB. Free memory was 46.9MB in the beginning and 46.0MB in the end (delta: 912.0kB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.39ms. Allocated memory is still 71.3MB. Free memory was 45.8MB in the beginning and 43.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.07ms. Allocated memory is still 71.3MB. Free memory was 43.7MB in the beginning and 42.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 423.74ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 42.1MB in the beginning and 61.9MB in the end (delta: -19.8MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. * TraceAbstraction took 4039.18ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 61.0MB in the beginning and 57.5MB in the end (delta: 3.5MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. * Witness Printer took 40.98ms. Allocated memory is still 104.9MB. Free memory was 57.5MB in the beginning and 54.3MB in the end (delta: 3.2MB). 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: 2.4s, 116 PlacesBefore, 51 PlacesAfterwards, 116 TransitionsBefore, 50 TransitionsAfterwards, 3520 CoEnabledTransitionPairs, 6 FixpointIterations, 32 TrivialSequentialCompositions, 48 ConcurrentSequentialCompositions, 3 TrivialYvCompositions, 4 ConcurrentYvCompositions, 1 ChoiceCompositions, 88 TotalNumberOfCompositions, 14432 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4664, independent: 4176, independent conditional: 0, independent unconditional: 4176, dependent: 488, dependent conditional: 0, dependent unconditional: 488, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1825, independent: 1748, independent conditional: 0, independent unconditional: 1748, dependent: 77, dependent conditional: 0, dependent unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4664, independent: 2428, independent conditional: 0, independent unconditional: 2428, dependent: 411, dependent conditional: 0, dependent unconditional: 411, unknown: 1825, unknown conditional: 0, unknown unconditional: 1825] , Statistics on independence cache: Total cache size (in pairs): 327, Positive cache size: 274, Positive conditional cache size: 0, Positive unconditional cache size: 274, Negative cache size: 53, Negative conditional cache size: 0, Negative unconditional cache size: 53, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 699]: 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: 702]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 703]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 704]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 704]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 706]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 689]: 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 - PositiveResult [Line: 692]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 693]: 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, 161 locations, 16 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: 3.9s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.5s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 389 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 140 mSDsluCounter, 44 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 37 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 578 IncrementalHoareTripleChecker+Invalid, 615 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 37 mSolverCounterUnsat, 44 mSDtfsCounter, 578 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=416occurred in iteration=4, InterpolantAutomatonStates: 20, 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, 0.3s InterpolantComputationTime, 68 NumberOfCodeBlocks, 68 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 61 ConstructedInterpolants, 0 QuantifiedInterpolants, 77 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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 11 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-29 02:38:18,776 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE