/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-VariableLbe.epf --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations BEFORE -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_36-traces-ex-3_true.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-b8dbc81 [2023-01-28 01:28:10,058 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-01-28 01:28:10,059 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-01-28 01:28:10,095 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-01-28 01:28:10,095 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-01-28 01:28:10,098 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-01-28 01:28:10,102 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-01-28 01:28:10,104 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-01-28 01:28:10,106 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-01-28 01:28:10,110 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-01-28 01:28:10,111 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-01-28 01:28:10,112 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-01-28 01:28:10,113 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-01-28 01:28:10,115 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-01-28 01:28:10,116 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-01-28 01:28:10,117 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-01-28 01:28:10,117 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-01-28 01:28:10,118 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-01-28 01:28:10,120 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-01-28 01:28:10,122 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-01-28 01:28:10,123 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-01-28 01:28:10,123 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-01-28 01:28:10,125 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-01-28 01:28:10,126 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-01-28 01:28:10,133 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-01-28 01:28:10,134 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-01-28 01:28:10,134 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-01-28 01:28:10,135 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-01-28 01:28:10,135 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-01-28 01:28:10,136 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-01-28 01:28:10,136 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-01-28 01:28:10,137 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-01-28 01:28:10,138 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-01-28 01:28:10,139 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-01-28 01:28:10,139 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-01-28 01:28:10,139 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-01-28 01:28:10,140 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-01-28 01:28:10,140 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-01-28 01:28:10,140 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-01-28 01:28:10,141 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-01-28 01:28:10,141 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-01-28 01:28:10,142 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-VariableLbe.epf [2023-01-28 01:28:10,168 INFO L113 SettingsManager]: Loading preferences was successful [2023-01-28 01:28:10,169 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-01-28 01:28:10,170 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-01-28 01:28:10,170 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-01-28 01:28:10,171 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-01-28 01:28:10,171 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-01-28 01:28:10,171 INFO L138 SettingsManager]: * Use SBE=true [2023-01-28 01:28:10,171 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-01-28 01:28:10,171 INFO L138 SettingsManager]: * sizeof long=4 [2023-01-28 01:28:10,171 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-01-28 01:28:10,172 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-01-28 01:28:10,172 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-01-28 01:28:10,172 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-01-28 01:28:10,172 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-01-28 01:28:10,173 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-01-28 01:28:10,173 INFO L138 SettingsManager]: * sizeof long double=12 [2023-01-28 01:28:10,173 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-01-28 01:28:10,173 INFO L138 SettingsManager]: * Use constant arrays=true [2023-01-28 01:28:10,173 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-01-28 01:28:10,173 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-01-28 01:28:10,173 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-01-28 01:28:10,173 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-01-28 01:28:10,173 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-01-28 01:28:10,174 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-01-28 01:28:10,174 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-01-28 01:28:10,174 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-01-28 01:28:10,174 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-01-28 01:28:10,174 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-01-28 01:28:10,174 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-01-28 01:28:10,175 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-01-28 01:28:10,175 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-01-28 01:28:10,175 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> BEFORE [2023-01-28 01:28:10,388 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-01-28 01:28:10,406 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-01-28 01:28:10,408 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-01-28 01:28:10,409 INFO L271 PluginConnector]: Initializing CDTParser... [2023-01-28 01:28:10,409 INFO L275 PluginConnector]: CDTParser initialized [2023-01-28 01:28:10,410 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_36-traces-ex-3_true.i [2023-01-28 01:28:11,577 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-01-28 01:28:11,816 INFO L351 CDTParser]: Found 1 translation units. [2023-01-28 01:28:11,816 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_36-traces-ex-3_true.i [2023-01-28 01:28:11,832 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/529657cc0/3954f6e4a1d24e8ebe7483b98742f446/FLAG0d8da8d1f [2023-01-28 01:28:11,847 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/529657cc0/3954f6e4a1d24e8ebe7483b98742f446 [2023-01-28 01:28:11,849 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-01-28 01:28:11,851 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-01-28 01:28:11,854 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-01-28 01:28:11,854 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-01-28 01:28:11,856 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-01-28 01:28:11,857 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.01 01:28:11" (1/1) ... [2023-01-28 01:28:11,858 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52266953 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 01:28:11, skipping insertion in model container [2023-01-28 01:28:11,858 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.01 01:28:11" (1/1) ... [2023-01-28 01:28:11,864 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-01-28 01:28:11,903 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-01-28 01:28:12,064 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_36-traces-ex-3_true.i[1088,1101] [2023-01-28 01:28:12,209 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-01-28 01:28:12,222 INFO L203 MainTranslator]: Completed pre-run [2023-01-28 01:28:12,234 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_36-traces-ex-3_true.i[1088,1101] [2023-01-28 01:28:12,262 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-01-28 01:28:12,294 INFO L208 MainTranslator]: Completed translation [2023-01-28 01:28:12,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 01:28:12 WrapperNode [2023-01-28 01:28:12,295 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-01-28 01:28:12,296 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-01-28 01:28:12,296 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-01-28 01:28:12,296 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-01-28 01:28:12,301 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 01:28:12" (1/1) ... [2023-01-28 01:28:12,312 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 01:28:12" (1/1) ... [2023-01-28 01:28:12,331 INFO L138 Inliner]: procedures = 162, calls = 28, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 49 [2023-01-28 01:28:12,332 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-01-28 01:28:12,332 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-01-28 01:28:12,332 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-01-28 01:28:12,332 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-01-28 01:28:12,339 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 01:28:12" (1/1) ... [2023-01-28 01:28:12,339 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 01:28:12" (1/1) ... [2023-01-28 01:28:12,353 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 01:28:12" (1/1) ... [2023-01-28 01:28:12,354 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 01:28:12" (1/1) ... [2023-01-28 01:28:12,357 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 01:28:12" (1/1) ... [2023-01-28 01:28:12,358 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 01:28:12" (1/1) ... [2023-01-28 01:28:12,359 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 01:28:12" (1/1) ... [2023-01-28 01:28:12,360 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 01:28:12" (1/1) ... [2023-01-28 01:28:12,362 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-01-28 01:28:12,362 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-01-28 01:28:12,363 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-01-28 01:28:12,363 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-01-28 01:28:12,363 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 01:28:12" (1/1) ... [2023-01-28 01:28:12,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-01-28 01:28:12,385 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-28 01:28:12,397 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) [2023-01-28 01:28:12,410 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 [2023-01-28 01:28:12,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-01-28 01:28:12,433 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-01-28 01:28:12,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-01-28 01:28:12,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-01-28 01:28:12,434 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-01-28 01:28:12,434 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-01-28 01:28:12,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-01-28 01:28:12,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-01-28 01:28:12,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-01-28 01:28:12,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-01-28 01:28:12,435 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-01-28 01:28:12,592 INFO L236 CfgBuilder]: Building ICFG [2023-01-28 01:28:12,594 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-01-28 01:28:12,704 INFO L277 CfgBuilder]: Performing block encoding [2023-01-28 01:28:12,709 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-01-28 01:28:12,709 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-01-28 01:28:12,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.01 01:28:12 BoogieIcfgContainer [2023-01-28 01:28:12,711 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-01-28 01:28:12,713 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-01-28 01:28:12,713 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-01-28 01:28:12,715 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-01-28 01:28:12,715 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.01 01:28:11" (1/3) ... [2023-01-28 01:28:12,716 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@728697d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.01 01:28:12, skipping insertion in model container [2023-01-28 01:28:12,716 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 01:28:12" (2/3) ... [2023-01-28 01:28:12,716 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@728697d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.01 01:28:12, skipping insertion in model container [2023-01-28 01:28:12,716 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.01 01:28:12" (3/3) ... [2023-01-28 01:28:12,717 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_36-traces-ex-3_true.i [2023-01-28 01:28:12,731 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-01-28 01:28:12,731 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-01-28 01:28:12,731 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-01-28 01:28:12,764 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-28 01:28:12,792 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 65 places, 62 transitions, 129 flow [2023-01-28 01:28:12,826 INFO L130 PetriNetUnfolder]: 1/61 cut-off events. [2023-01-28 01:28:12,827 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-01-28 01:28:12,830 INFO L83 FinitePrefix]: Finished finitePrefix Result has 65 conditions, 61 events. 1/61 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 33 event pairs, 0 based on Foata normal form. 0/59 useless extension candidates. Maximal degree in co-relation 32. Up to 2 conditions per place. [2023-01-28 01:28:12,830 INFO L82 GeneralOperation]: Start removeDead. Operand has 65 places, 62 transitions, 129 flow [2023-01-28 01:28:12,832 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 56 places, 52 transitions, 107 flow [2023-01-28 01:28:12,836 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 01:28:12,849 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 56 places, 52 transitions, 107 flow [2023-01-28 01:28:12,856 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 56 places, 52 transitions, 107 flow [2023-01-28 01:28:12,856 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 56 places, 52 transitions, 107 flow [2023-01-28 01:28:12,883 INFO L130 PetriNetUnfolder]: 0/52 cut-off events. [2023-01-28 01:28:12,883 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-01-28 01:28:12,884 INFO L83 FinitePrefix]: Finished finitePrefix Result has 56 conditions, 52 events. 0/52 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 22 event pairs, 0 based on Foata normal form. 0/52 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2023-01-28 01:28:12,884 INFO L119 LiptonReduction]: Number of co-enabled transitions 264 [2023-01-28 01:28:15,034 INFO L134 LiptonReduction]: Checked pairs total: 710 [2023-01-28 01:28:15,034 INFO L136 LiptonReduction]: Total number of compositions: 40 [2023-01-28 01:28:15,045 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-01-28 01:28:15,050 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=false, 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;@12a62a0e, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 01:28:15,050 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-01-28 01:28:15,054 INFO L130 PetriNetUnfolder]: 0/8 cut-off events. [2023-01-28 01:28:15,054 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-01-28 01:28:15,054 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 01:28:15,054 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-01-28 01:28:15,055 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-01-28 01:28:15,059 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 01:28:15,059 INFO L85 PathProgramCache]: Analyzing trace with hash 1909908932, now seen corresponding path program 1 times [2023-01-28 01:28:15,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 01:28:15,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810940347] [2023-01-28 01:28:15,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 01:28:15,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 01:28:15,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 01:28:15,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-28 01:28:15,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 01:28:15,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810940347] [2023-01-28 01:28:15,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1810940347] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-28 01:28:15,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-28 01:28:15,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-01-28 01:28:15,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096240285] [2023-01-28 01:28:15,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-28 01:28:15,362 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-01-28 01:28:15,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 01:28:15,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-01-28 01:28:15,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-01-28 01:28:15,383 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 102 [2023-01-28 01:28:15,384 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 16 places, 12 transitions, 27 flow. Second operand has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 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) [2023-01-28 01:28:15,385 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 01:28:15,385 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 102 [2023-01-28 01:28:15,385 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 01:28:15,416 INFO L130 PetriNetUnfolder]: 11/39 cut-off events. [2023-01-28 01:28:15,416 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-01-28 01:28:15,416 INFO L83 FinitePrefix]: Finished finitePrefix Result has 78 conditions, 39 events. 11/39 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 77 event pairs, 7 based on Foata normal form. 4/43 useless extension candidates. Maximal degree in co-relation 69. Up to 21 conditions per place. [2023-01-28 01:28:15,417 INFO L137 encePairwiseOnDemand]: 98/102 looper letters, 9 selfloop transitions, 3 changer transitions 0/14 dead transitions. [2023-01-28 01:28:15,417 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 18 places, 14 transitions, 55 flow [2023-01-28 01:28:15,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-28 01:28:15,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-01-28 01:28:15,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 178 transitions. [2023-01-28 01:28:15,428 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5816993464052288 [2023-01-28 01:28:15,428 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 178 transitions. [2023-01-28 01:28:15,429 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 178 transitions. [2023-01-28 01:28:15,430 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 01:28:15,432 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 178 transitions. [2023-01-28 01:28:15,434 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 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) [2023-01-28 01:28:15,437 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 102.0) internal successors, (408), 4 states have internal predecessors, (408), 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) [2023-01-28 01:28:15,438 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 102.0) internal successors, (408), 4 states have internal predecessors, (408), 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) [2023-01-28 01:28:15,439 INFO L175 Difference]: Start difference. First operand has 16 places, 12 transitions, 27 flow. Second operand 3 states and 178 transitions. [2023-01-28 01:28:15,440 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 18 places, 14 transitions, 55 flow [2023-01-28 01:28:15,441 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 17 places, 14 transitions, 54 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-01-28 01:28:15,442 INFO L231 Difference]: Finished difference. Result has 18 places, 12 transitions, 37 flow [2023-01-28 01:28:15,444 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=102, PETRI_DIFFERENCE_MINUEND_FLOW=26, PETRI_DIFFERENCE_MINUEND_PLACES=15, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=12, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=9, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=37, PETRI_PLACES=18, PETRI_TRANSITIONS=12} [2023-01-28 01:28:15,446 INFO L281 CegarLoopForPetriNet]: 16 programPoint places, 2 predicate places. [2023-01-28 01:28:15,446 INFO L495 AbstractCegarLoop]: Abstraction has has 18 places, 12 transitions, 37 flow [2023-01-28 01:28:15,447 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 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) [2023-01-28 01:28:15,447 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 01:28:15,447 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 01:28:15,447 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-01-28 01:28:15,447 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-01-28 01:28:15,448 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 01:28:15,448 INFO L85 PathProgramCache]: Analyzing trace with hash 1468011745, now seen corresponding path program 1 times [2023-01-28 01:28:15,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 01:28:15,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239115575] [2023-01-28 01:28:15,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 01:28:15,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 01:28:15,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 01:28:15,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-28 01:28:15,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 01:28:15,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239115575] [2023-01-28 01:28:15,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [239115575] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-28 01:28:15,587 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-28 01:28:15,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-01-28 01:28:15,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461014090] [2023-01-28 01:28:15,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-28 01:28:15,588 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-01-28 01:28:15,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 01:28:15,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-01-28 01:28:15,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-01-28 01:28:15,590 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 39 out of 102 [2023-01-28 01:28:15,590 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 18 places, 12 transitions, 37 flow. Second operand has 5 states, 5 states have (on average 40.6) internal successors, (203), 5 states have internal predecessors, (203), 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) [2023-01-28 01:28:15,590 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 01:28:15,590 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 39 of 102 [2023-01-28 01:28:15,591 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 01:28:15,621 INFO L130 PetriNetUnfolder]: 10/34 cut-off events. [2023-01-28 01:28:15,621 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-01-28 01:28:15,622 INFO L83 FinitePrefix]: Finished finitePrefix Result has 81 conditions, 34 events. 10/34 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 54 event pairs, 2 based on Foata normal form. 5/39 useless extension candidates. Maximal degree in co-relation 70. Up to 22 conditions per place. [2023-01-28 01:28:15,622 INFO L137 encePairwiseOnDemand]: 98/102 looper letters, 0 selfloop transitions, 0 changer transitions 13/13 dead transitions. [2023-01-28 01:28:15,622 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 20 places, 13 transitions, 61 flow [2023-01-28 01:28:15,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-01-28 01:28:15,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-01-28 01:28:15,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 170 transitions. [2023-01-28 01:28:15,624 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4166666666666667 [2023-01-28 01:28:15,624 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 170 transitions. [2023-01-28 01:28:15,624 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 170 transitions. [2023-01-28 01:28:15,624 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 01:28:15,625 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 170 transitions. [2023-01-28 01:28:15,625 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 42.5) internal successors, (170), 4 states have internal predecessors, (170), 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) [2023-01-28 01:28:15,626 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 102.0) internal successors, (510), 5 states have internal predecessors, (510), 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) [2023-01-28 01:28:15,627 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 102.0) internal successors, (510), 5 states have internal predecessors, (510), 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) [2023-01-28 01:28:15,627 INFO L175 Difference]: Start difference. First operand has 18 places, 12 transitions, 37 flow. Second operand 4 states and 170 transitions. [2023-01-28 01:28:15,627 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 20 places, 13 transitions, 61 flow [2023-01-28 01:28:15,627 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 17 places, 13 transitions, 52 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-01-28 01:28:15,628 INFO L231 Difference]: Finished difference. Result has 17 places, 0 transitions, 0 flow [2023-01-28 01:28:15,628 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=102, PETRI_DIFFERENCE_MINUEND_FLOW=24, PETRI_DIFFERENCE_MINUEND_PLACES=14, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=11, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=11, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=0, PETRI_PLACES=17, PETRI_TRANSITIONS=0} [2023-01-28 01:28:15,628 INFO L281 CegarLoopForPetriNet]: 16 programPoint places, 1 predicate places. [2023-01-28 01:28:15,629 INFO L495 AbstractCegarLoop]: Abstraction has has 17 places, 0 transitions, 0 flow [2023-01-28 01:28:15,629 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 40.6) internal successors, (203), 5 states have internal predecessors, (203), 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) [2023-01-28 01:28:15,631 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2023-01-28 01:28:15,632 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2023-01-28 01:28:15,632 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-01-28 01:28:15,632 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-01-28 01:28:15,634 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-01-28 01:28:15,635 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-01-28 01:28:15,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.01 01:28:15 BasicIcfg [2023-01-28 01:28:15,637 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-01-28 01:28:15,638 INFO L158 Benchmark]: Toolchain (without parser) took 3786.72ms. Allocated memory was 352.3MB in the beginning and 543.2MB in the end (delta: 190.8MB). Free memory was 295.5MB in the beginning and 491.6MB in the end (delta: -196.2MB). There was no memory consumed. Max. memory is 16.0GB. [2023-01-28 01:28:15,638 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 352.3MB. Free memory is still 303.0MB. There was no memory consumed. Max. memory is 16.0GB. [2023-01-28 01:28:15,639 INFO L158 Benchmark]: CACSL2BoogieTranslator took 441.65ms. Allocated memory is still 352.3MB. Free memory was 295.5MB in the beginning and 276.7MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. [2023-01-28 01:28:15,639 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.84ms. Allocated memory is still 352.3MB. Free memory was 276.7MB in the beginning and 274.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-01-28 01:28:15,639 INFO L158 Benchmark]: Boogie Preprocessor took 29.63ms. Allocated memory is still 352.3MB. Free memory was 274.6MB in the beginning and 273.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-01-28 01:28:15,640 INFO L158 Benchmark]: RCFGBuilder took 348.47ms. Allocated memory was 352.3MB in the beginning and 543.2MB in the end (delta: 190.8MB). Free memory was 273.3MB in the beginning and 504.5MB in the end (delta: -231.1MB). Peak memory consumption was 13.7MB. Max. memory is 16.0GB. [2023-01-28 01:28:15,640 INFO L158 Benchmark]: TraceAbstraction took 2924.95ms. Allocated memory is still 543.2MB. Free memory was 503.7MB in the beginning and 491.6MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. [2023-01-28 01:28:15,642 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 352.3MB. Free memory is still 303.0MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 441.65ms. Allocated memory is still 352.3MB. Free memory was 295.5MB in the beginning and 276.7MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 35.84ms. Allocated memory is still 352.3MB. Free memory was 276.7MB in the beginning and 274.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 29.63ms. Allocated memory is still 352.3MB. Free memory was 274.6MB in the beginning and 273.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 348.47ms. Allocated memory was 352.3MB in the beginning and 543.2MB in the end (delta: 190.8MB). Free memory was 273.3MB in the beginning and 504.5MB in the end (delta: -231.1MB). Peak memory consumption was 13.7MB. Max. memory is 16.0GB. * TraceAbstraction took 2924.95ms. Allocated memory is still 543.2MB. Free memory was 503.7MB in the beginning and 491.6MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.2s, 56 PlacesBefore, 16 PlacesAfterwards, 52 TransitionsBefore, 12 TransitionsAfterwards, 264 CoEnabledTransitionPairs, 6 FixpointIterations, 27 TrivialSequentialCompositions, 13 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 40 TotalNumberOfCompositions, 710 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 325, independent: 221, independent conditional: 0, independent unconditional: 221, dependent: 104, dependent conditional: 0, dependent unconditional: 104, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 140, independent: 120, independent conditional: 0, independent unconditional: 120, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 325, independent: 101, independent conditional: 0, independent unconditional: 101, dependent: 84, dependent conditional: 0, dependent unconditional: 84, unknown: 140, unknown conditional: 0, unknown unconditional: 140] , Statistics on independence cache: Total cache size (in pairs): 16, Positive cache size: 8, Positive conditional cache size: 0, Positive unconditional cache size: 8, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 75 locations, 2 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: 2.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 31 IncrementalHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 1 mSDtfsCounter, 31 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=37occurred in iteration=1, InterpolantAutomatonStates: 7, 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, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 54 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-01-28 01:28:15,663 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...