/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 -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/chl-file-item-symm.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-b8dbc81 [2023-01-27 20:13:42,278 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-01-27 20:13:42,280 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-01-27 20:13:42,311 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-01-27 20:13:42,311 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-01-27 20:13:42,312 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-01-27 20:13:42,315 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-01-27 20:13:42,319 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-01-27 20:13:42,320 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-01-27 20:13:42,325 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-01-27 20:13:42,326 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-01-27 20:13:42,327 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-01-27 20:13:42,327 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-01-27 20:13:42,331 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-01-27 20:13:42,331 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-01-27 20:13:42,332 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-01-27 20:13:42,332 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-01-27 20:13:42,334 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-01-27 20:13:42,335 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-01-27 20:13:42,337 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-01-27 20:13:42,338 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-01-27 20:13:42,340 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-01-27 20:13:42,340 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-01-27 20:13:42,341 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-01-27 20:13:42,342 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-01-27 20:13:42,344 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-01-27 20:13:42,344 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-01-27 20:13:42,345 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-01-27 20:13:42,345 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-01-27 20:13:42,346 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-01-27 20:13:42,346 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-01-27 20:13:42,346 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-01-27 20:13:42,346 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-01-27 20:13:42,346 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-01-27 20:13:42,347 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-01-27 20:13:42,349 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-01-27 20:13:42,351 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 [2023-01-27 20:13:42,373 INFO L113 SettingsManager]: Loading preferences was successful [2023-01-27 20:13:42,373 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-01-27 20:13:42,374 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-01-27 20:13:42,374 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-01-27 20:13:42,375 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-01-27 20:13:42,375 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-01-27 20:13:42,375 INFO L138 SettingsManager]: * Use SBE=true [2023-01-27 20:13:42,375 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-01-27 20:13:42,375 INFO L138 SettingsManager]: * sizeof long=4 [2023-01-27 20:13:42,375 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-01-27 20:13:42,376 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-01-27 20:13:42,376 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-01-27 20:13:42,376 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-01-27 20:13:42,376 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-01-27 20:13:42,376 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-01-27 20:13:42,376 INFO L138 SettingsManager]: * sizeof long double=12 [2023-01-27 20:13:42,376 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-01-27 20:13:42,377 INFO L138 SettingsManager]: * Use constant arrays=true [2023-01-27 20:13:42,377 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-01-27 20:13:42,377 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-01-27 20:13:42,377 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-01-27 20:13:42,377 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-01-27 20:13:42,377 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-01-27 20:13:42,377 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-01-27 20:13:42,377 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-01-27 20:13:42,377 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-01-27 20:13:42,377 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-01-27 20:13:42,377 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-01-27 20:13:42,377 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-01-27 20:13:42,378 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-01-27 20:13:42,378 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-01-27 20:13:42,378 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-01-27 20:13:42,556 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-01-27 20:13:42,569 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-01-27 20:13:42,571 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-01-27 20:13:42,571 INFO L271 PluginConnector]: Initializing CDTParser... [2023-01-27 20:13:42,572 INFO L275 PluginConnector]: CDTParser initialized [2023-01-27 20:13:42,572 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-file-item-symm.wvr.c [2023-01-27 20:13:43,489 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-01-27 20:13:43,683 INFO L351 CDTParser]: Found 1 translation units. [2023-01-27 20:13:43,684 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-file-item-symm.wvr.c [2023-01-27 20:13:43,688 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05a9a506b/a540e58c44cc49c7a1f17084b0bc4e31/FLAGd33c11801 [2023-01-27 20:13:43,697 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05a9a506b/a540e58c44cc49c7a1f17084b0bc4e31 [2023-01-27 20:13:43,698 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-01-27 20:13:43,699 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-01-27 20:13:43,700 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-01-27 20:13:43,700 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-01-27 20:13:43,702 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-01-27 20:13:43,702 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 08:13:43" (1/1) ... [2023-01-27 20:13:43,703 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d21f3f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 08:13:43, skipping insertion in model container [2023-01-27 20:13:43,703 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 08:13:43" (1/1) ... [2023-01-27 20:13:43,707 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-01-27 20:13:43,721 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-01-27 20:13:43,815 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-file-item-symm.wvr.c[2495,2508] [2023-01-27 20:13:43,819 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-01-27 20:13:43,831 INFO L203 MainTranslator]: Completed pre-run [2023-01-27 20:13:43,844 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-file-item-symm.wvr.c[2495,2508] [2023-01-27 20:13:43,845 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-01-27 20:13:43,855 INFO L208 MainTranslator]: Completed translation [2023-01-27 20:13:43,856 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 08:13:43 WrapperNode [2023-01-27 20:13:43,856 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-01-27 20:13:43,857 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-01-27 20:13:43,857 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-01-27 20:13:43,857 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-01-27 20:13:43,862 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 08:13:43" (1/1) ... [2023-01-27 20:13:43,866 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 08:13:43" (1/1) ... [2023-01-27 20:13:43,880 INFO L138 Inliner]: procedures = 22, calls = 25, calls flagged for inlining = 9, calls inlined = 11, statements flattened = 148 [2023-01-27 20:13:43,881 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-01-27 20:13:43,881 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-01-27 20:13:43,881 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-01-27 20:13:43,881 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-01-27 20:13:43,892 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 08:13:43" (1/1) ... [2023-01-27 20:13:43,892 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 08:13:43" (1/1) ... [2023-01-27 20:13:43,894 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 08:13:43" (1/1) ... [2023-01-27 20:13:43,894 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 08:13:43" (1/1) ... [2023-01-27 20:13:43,897 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 08:13:43" (1/1) ... [2023-01-27 20:13:43,903 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 08:13:43" (1/1) ... [2023-01-27 20:13:43,904 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 08:13:43" (1/1) ... [2023-01-27 20:13:43,905 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 08:13:43" (1/1) ... [2023-01-27 20:13:43,907 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-01-27 20:13:43,907 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-01-27 20:13:43,907 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-01-27 20:13:43,907 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-01-27 20:13:43,908 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 08:13:43" (1/1) ... [2023-01-27 20:13:43,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-01-27 20:13:43,918 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-27 20:13:43,927 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) [2023-01-27 20:13:43,935 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 [2023-01-27 20:13:43,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-01-27 20:13:43,957 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-01-27 20:13:43,958 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-01-27 20:13:43,958 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-01-27 20:13:43,958 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-01-27 20:13:43,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-01-27 20:13:43,958 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-01-27 20:13:43,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-01-27 20:13:43,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-01-27 20:13:43,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-01-27 20:13:43,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-01-27 20:13:43,959 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-01-27 20:13:43,960 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-01-27 20:13:44,045 INFO L236 CfgBuilder]: Building ICFG [2023-01-27 20:13:44,046 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-01-27 20:13:44,237 INFO L277 CfgBuilder]: Performing block encoding [2023-01-27 20:13:44,244 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-01-27 20:13:44,244 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-01-27 20:13:44,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 08:13:44 BoogieIcfgContainer [2023-01-27 20:13:44,246 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-01-27 20:13:44,247 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-01-27 20:13:44,247 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-01-27 20:13:44,249 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-01-27 20:13:44,249 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.01 08:13:43" (1/3) ... [2023-01-27 20:13:44,249 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10c7c71b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 08:13:44, skipping insertion in model container [2023-01-27 20:13:44,250 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 08:13:43" (2/3) ... [2023-01-27 20:13:44,250 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10c7c71b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 08:13:44, skipping insertion in model container [2023-01-27 20:13:44,250 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 08:13:44" (3/3) ... [2023-01-27 20:13:44,250 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-file-item-symm.wvr.c [2023-01-27 20:13:44,261 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-01-27 20:13:44,261 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-01-27 20:13:44,261 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-01-27 20:13:44,356 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-01-27 20:13:44,382 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 167 places, 175 transitions, 366 flow [2023-01-27 20:13:44,438 INFO L130 PetriNetUnfolder]: 15/173 cut-off events. [2023-01-27 20:13:44,438 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-01-27 20:13:44,445 INFO L83 FinitePrefix]: Finished finitePrefix Result has 182 conditions, 173 events. 15/173 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 296 event pairs, 0 based on Foata normal form. 0/157 useless extension candidates. Maximal degree in co-relation 99. Up to 2 conditions per place. [2023-01-27 20:13:44,445 INFO L82 GeneralOperation]: Start removeDead. Operand has 167 places, 175 transitions, 366 flow [2023-01-27 20:13:44,448 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 157 places, 165 transitions, 342 flow [2023-01-27 20:13:44,451 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-27 20:13:44,457 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 157 places, 165 transitions, 342 flow [2023-01-27 20:13:44,459 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 157 places, 165 transitions, 342 flow [2023-01-27 20:13:44,459 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 157 places, 165 transitions, 342 flow [2023-01-27 20:13:44,489 INFO L130 PetriNetUnfolder]: 15/165 cut-off events. [2023-01-27 20:13:44,489 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-01-27 20:13:44,491 INFO L83 FinitePrefix]: Finished finitePrefix Result has 174 conditions, 165 events. 15/165 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 294 event pairs, 0 based on Foata normal form. 0/150 useless extension candidates. Maximal degree in co-relation 99. Up to 2 conditions per place. [2023-01-27 20:13:44,493 INFO L119 LiptonReduction]: Number of co-enabled transitions 5192 [2023-01-27 20:13:48,439 INFO L134 LiptonReduction]: Checked pairs total: 4950 [2023-01-27 20:13:48,440 INFO L136 LiptonReduction]: Total number of compositions: 203 [2023-01-27 20:13:48,460 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-01-27 20:13:48,466 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;@3b1a504f, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-27 20:13:48,466 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-01-27 20:13:48,470 INFO L130 PetriNetUnfolder]: 0/10 cut-off events. [2023-01-27 20:13:48,470 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-01-27 20:13:48,470 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-27 20:13:48,470 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-27 20:13:48,471 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-01-27 20:13:48,476 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-27 20:13:48,476 INFO L85 PathProgramCache]: Analyzing trace with hash -1132074985, now seen corresponding path program 1 times [2023-01-27 20:13:48,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-27 20:13:48,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384302241] [2023-01-27 20:13:48,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-27 20:13:48,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-27 20:13:48,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-27 20:13:50,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-27 20:13:50,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-27 20:13:50,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384302241] [2023-01-27 20:13:50,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1384302241] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-27 20:13:50,105 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-27 20:13:50,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-01-27 20:13:50,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253287408] [2023-01-27 20:13:50,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-27 20:13:50,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-01-27 20:13:50,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-27 20:13:50,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-01-27 20:13:50,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-01-27 20:13:50,148 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 122 out of 378 [2023-01-27 20:13:50,151 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 18 places, 11 transitions, 34 flow. Second operand has 4 states, 4 states have (on average 124.75) internal successors, (499), 4 states have internal predecessors, (499), 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) [2023-01-27 20:13:50,151 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-27 20:13:50,151 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 122 of 378 [2023-01-27 20:13:50,152 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-27 20:13:50,307 INFO L130 PetriNetUnfolder]: 8/32 cut-off events. [2023-01-27 20:13:50,307 INFO L131 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2023-01-27 20:13:50,307 INFO L83 FinitePrefix]: Finished finitePrefix Result has 79 conditions, 32 events. 8/32 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 56 event pairs, 0 based on Foata normal form. 1/33 useless extension candidates. Maximal degree in co-relation 45. Up to 16 conditions per place. [2023-01-27 20:13:50,308 INFO L137 encePairwiseOnDemand]: 374/378 looper letters, 10 selfloop transitions, 3 changer transitions 8/21 dead transitions. [2023-01-27 20:13:50,308 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 22 places, 21 transitions, 105 flow [2023-01-27 20:13:50,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-01-27 20:13:50,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-01-27 20:13:50,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 632 transitions. [2023-01-27 20:13:50,326 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3343915343915344 [2023-01-27 20:13:50,326 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 632 transitions. [2023-01-27 20:13:50,327 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 632 transitions. [2023-01-27 20:13:50,333 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-27 20:13:50,335 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 632 transitions. [2023-01-27 20:13:50,339 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 126.4) internal successors, (632), 5 states have internal predecessors, (632), 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) [2023-01-27 20:13:50,344 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 378.0) internal successors, (2268), 6 states have internal predecessors, (2268), 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) [2023-01-27 20:13:50,344 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 378.0) internal successors, (2268), 6 states have internal predecessors, (2268), 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) [2023-01-27 20:13:50,346 INFO L175 Difference]: Start difference. First operand has 18 places, 11 transitions, 34 flow. Second operand 5 states and 632 transitions. [2023-01-27 20:13:50,346 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 22 places, 21 transitions, 105 flow [2023-01-27 20:13:50,348 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 18 places, 21 transitions, 91 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-01-27 20:13:50,349 INFO L231 Difference]: Finished difference. Result has 19 places, 11 transitions, 34 flow [2023-01-27 20:13:50,354 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=378, PETRI_DIFFERENCE_MINUEND_FLOW=26, PETRI_DIFFERENCE_MINUEND_PLACES=14, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=11, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=8, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=34, PETRI_PLACES=19, PETRI_TRANSITIONS=11} [2023-01-27 20:13:50,357 INFO L281 CegarLoopForPetriNet]: 18 programPoint places, 1 predicate places. [2023-01-27 20:13:50,357 INFO L495 AbstractCegarLoop]: Abstraction has has 19 places, 11 transitions, 34 flow [2023-01-27 20:13:50,357 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 124.75) internal successors, (499), 4 states have internal predecessors, (499), 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) [2023-01-27 20:13:50,358 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-27 20:13:50,358 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-27 20:13:50,358 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-01-27 20:13:50,358 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-01-27 20:13:50,359 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-27 20:13:50,359 INFO L85 PathProgramCache]: Analyzing trace with hash 688643587, now seen corresponding path program 2 times [2023-01-27 20:13:50,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-27 20:13:50,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987364807] [2023-01-27 20:13:50,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-27 20:13:50,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-27 20:13:50,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-27 20:13:50,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-27 20:13:50,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-27 20:13:50,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987364807] [2023-01-27 20:13:50,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [987364807] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-27 20:13:50,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-27 20:13:50,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-01-27 20:13:50,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300050909] [2023-01-27 20:13:50,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-27 20:13:50,973 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-01-27 20:13:50,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-27 20:13:50,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-01-27 20:13:50,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-01-27 20:13:50,980 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 122 out of 378 [2023-01-27 20:13:50,981 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 19 places, 11 transitions, 34 flow. Second operand has 4 states, 4 states have (on average 124.75) internal successors, (499), 4 states have internal predecessors, (499), 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) [2023-01-27 20:13:50,981 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-27 20:13:50,981 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 122 of 378 [2023-01-27 20:13:50,981 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-27 20:13:51,070 INFO L130 PetriNetUnfolder]: 2/14 cut-off events. [2023-01-27 20:13:51,070 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2023-01-27 20:13:51,070 INFO L83 FinitePrefix]: Finished finitePrefix Result has 39 conditions, 14 events. 2/14 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 6 event pairs, 0 based on Foata normal form. 1/15 useless extension candidates. Maximal degree in co-relation 35. Up to 6 conditions per place. [2023-01-27 20:13:51,070 INFO L137 encePairwiseOnDemand]: 374/378 looper letters, 0 selfloop transitions, 0 changer transitions 12/12 dead transitions. [2023-01-27 20:13:51,071 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 21 places, 12 transitions, 58 flow [2023-01-27 20:13:51,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-01-27 20:13:51,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-01-27 20:13:51,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 623 transitions. [2023-01-27 20:13:51,074 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3296296296296296 [2023-01-27 20:13:51,074 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 623 transitions. [2023-01-27 20:13:51,074 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 623 transitions. [2023-01-27 20:13:51,074 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-27 20:13:51,074 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 623 transitions. [2023-01-27 20:13:51,076 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 124.6) internal successors, (623), 5 states have internal predecessors, (623), 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) [2023-01-27 20:13:51,081 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 378.0) internal successors, (2268), 6 states have internal predecessors, (2268), 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) [2023-01-27 20:13:51,082 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 378.0) internal successors, (2268), 6 states have internal predecessors, (2268), 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) [2023-01-27 20:13:51,082 INFO L175 Difference]: Start difference. First operand has 19 places, 11 transitions, 34 flow. Second operand 5 states and 623 transitions. [2023-01-27 20:13:51,082 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 21 places, 12 transitions, 58 flow [2023-01-27 20:13:51,083 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 19 places, 12 transitions, 54 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-01-27 20:13:51,083 INFO L231 Difference]: Finished difference. Result has 19 places, 0 transitions, 0 flow [2023-01-27 20:13:51,083 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=378, PETRI_DIFFERENCE_MINUEND_FLOW=26, PETRI_DIFFERENCE_MINUEND_PLACES=15, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=10, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=10, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=19, PETRI_TRANSITIONS=0} [2023-01-27 20:13:51,084 INFO L281 CegarLoopForPetriNet]: 18 programPoint places, 1 predicate places. [2023-01-27 20:13:51,084 INFO L495 AbstractCegarLoop]: Abstraction has has 19 places, 0 transitions, 0 flow [2023-01-27 20:13:51,085 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 124.75) internal successors, (499), 4 states have internal predecessors, (499), 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) [2023-01-27 20:13:51,086 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-01-27 20:13:51,087 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-01-27 20:13:51,087 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-01-27 20:13:51,088 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-01-27 20:13:51,088 INFO L445 BasicCegarLoop]: Path program histogram: [2] [2023-01-27 20:13:51,092 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-01-27 20:13:51,092 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-01-27 20:13:51,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.01 08:13:51 BasicIcfg [2023-01-27 20:13:51,098 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-01-27 20:13:51,098 INFO L158 Benchmark]: Toolchain (without parser) took 7398.71ms. Allocated memory was 337.6MB in the beginning and 446.7MB in the end (delta: 109.1MB). Free memory was 296.4MB in the beginning and 271.2MB in the end (delta: 25.2MB). Peak memory consumption was 136.3MB. Max. memory is 16.0GB. [2023-01-27 20:13:51,098 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 337.6MB. Free memory is still 285.4MB. There was no memory consumed. Max. memory is 16.0GB. [2023-01-27 20:13:51,099 INFO L158 Benchmark]: CACSL2BoogieTranslator took 156.25ms. Allocated memory is still 337.6MB. Free memory was 296.4MB in the beginning and 285.3MB in the end (delta: 11.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. [2023-01-27 20:13:51,100 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.81ms. Allocated memory is still 337.6MB. Free memory was 285.3MB in the beginning and 283.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-01-27 20:13:51,101 INFO L158 Benchmark]: Boogie Preprocessor took 25.61ms. Allocated memory is still 337.6MB. Free memory was 283.2MB in the beginning and 281.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.0GB. [2023-01-27 20:13:51,102 INFO L158 Benchmark]: RCFGBuilder took 338.44ms. Allocated memory is still 337.6MB. Free memory was 281.7MB in the beginning and 264.3MB in the end (delta: 17.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. [2023-01-27 20:13:51,102 INFO L158 Benchmark]: TraceAbstraction took 6850.70ms. Allocated memory was 337.6MB in the beginning and 446.7MB in the end (delta: 109.1MB). Free memory was 263.7MB in the beginning and 271.2MB in the end (delta: -7.5MB). Peak memory consumption was 102.7MB. Max. memory is 16.0GB. [2023-01-27 20:13:51,105 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 337.6MB. Free memory is still 285.4MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 156.25ms. Allocated memory is still 337.6MB. Free memory was 296.4MB in the beginning and 285.3MB in the end (delta: 11.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 23.81ms. Allocated memory is still 337.6MB. Free memory was 285.3MB in the beginning and 283.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 25.61ms. Allocated memory is still 337.6MB. Free memory was 283.2MB in the beginning and 281.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 338.44ms. Allocated memory is still 337.6MB. Free memory was 281.7MB in the beginning and 264.3MB in the end (delta: 17.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. * TraceAbstraction took 6850.70ms. Allocated memory was 337.6MB in the beginning and 446.7MB in the end (delta: 109.1MB). Free memory was 263.7MB in the beginning and 271.2MB in the end (delta: -7.5MB). Peak memory consumption was 102.7MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.0s, 157 PlacesBefore, 18 PlacesAfterwards, 165 TransitionsBefore, 11 TransitionsAfterwards, 5192 CoEnabledTransitionPairs, 8 FixpointIterations, 58 TrivialSequentialCompositions, 81 ConcurrentSequentialCompositions, 11 TrivialYvCompositions, 38 ConcurrentYvCompositions, 15 ChoiceCompositions, 203 TotalNumberOfCompositions, 4950 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4950, independent: 4950, independent conditional: 0, independent unconditional: 4950, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 3211, independent: 3211, independent conditional: 0, independent unconditional: 3211, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4950, independent: 1739, independent conditional: 0, independent unconditional: 1739, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 3211, unknown conditional: 0, unknown unconditional: 3211] , Statistics on independence cache: Total cache size (in pairs): 7, Positive cache size: 7, Positive conditional cache size: 0, Positive unconditional cache size: 7, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 74]: 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 5 procedures, 241 locations, 3 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: 6.7s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 19 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 19 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 52 IncrementalHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 0 mSDtfsCounter, 52 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=34occurred in iteration=0, InterpolantAutomatonStates: 10, 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, 0.2s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 1616 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! [2023-01-27 20:13:51,119 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...