/usr/bin/java -Xmx8000000000 -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-RepeatedSemanticLbe.epf --traceabstraction.use.on-demand.petri.net.difference true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/36-apron_11-traces-max-simple_true.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-06 01:41:42,614 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-06 01:41:42,616 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-06 01:41:42,670 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-06 01:41:42,671 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-06 01:41:42,671 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-06 01:41:42,672 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-06 01:41:42,673 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-06 01:41:42,674 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-06 01:41:42,675 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-06 01:41:42,676 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-06 01:41:42,676 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-06 01:41:42,677 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-06 01:41:42,677 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-06 01:41:42,678 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-06 01:41:42,679 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-06 01:41:42,679 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-06 01:41:42,680 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-06 01:41:42,696 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-06 01:41:42,697 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-06 01:41:42,698 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-06 01:41:42,699 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-06 01:41:42,699 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-06 01:41:42,700 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-06 01:41:42,702 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-06 01:41:42,702 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-06 01:41:42,702 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-06 01:41:42,703 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-06 01:41:42,703 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-06 01:41:42,704 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-06 01:41:42,704 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-06 01:41:42,704 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-06 01:41:42,705 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-06 01:41:42,705 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-06 01:41:42,706 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-06 01:41:42,706 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-06 01:41:42,706 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-06 01:41:42,707 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-06 01:41:42,707 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-06 01:41:42,707 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-06 01:41:42,708 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-06 01:41:42,708 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-RepeatedSemanticLbe.epf [2022-12-06 01:41:42,732 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-06 01:41:42,732 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-06 01:41:42,734 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-06 01:41:42,734 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-06 01:41:42,734 INFO L138 SettingsManager]: * Use SBE=true [2022-12-06 01:41:42,734 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-06 01:41:42,735 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-06 01:41:42,735 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-06 01:41:42,735 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-06 01:41:42,735 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-06 01:41:42,735 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-06 01:41:42,736 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-06 01:41:42,736 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-06 01:41:42,736 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-06 01:41:42,736 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-06 01:41:42,736 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-06 01:41:42,736 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-06 01:41:42,736 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-06 01:41:42,736 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-06 01:41:42,736 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-06 01:41:42,736 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-06 01:41:42,736 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 01:41:42,737 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-06 01:41:42,737 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-06 01:41:42,737 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-06 01:41:42,737 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-06 01:41:42,737 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-06 01:41:42,737 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-06 01:41:42,737 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use on-demand Petri net difference -> true [2022-12-06 01:41:42,984 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-06 01:41:42,996 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-06 01:41:42,998 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-06 01:41:42,999 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-06 01:41:42,999 INFO L275 PluginConnector]: CDTParser initialized [2022-12-06 01:41:43,000 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/36-apron_11-traces-max-simple_true.i [2022-12-06 01:41:44,069 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-06 01:41:44,319 INFO L351 CDTParser]: Found 1 translation units. [2022-12-06 01:41:44,319 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_11-traces-max-simple_true.i [2022-12-06 01:41:44,333 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20ed0ffb3/4bf2e4122cf040ac9fea56c978f78ce2/FLAG8fdece401 [2022-12-06 01:41:44,347 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20ed0ffb3/4bf2e4122cf040ac9fea56c978f78ce2 [2022-12-06 01:41:44,349 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-06 01:41:44,350 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-06 01:41:44,351 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-06 01:41:44,351 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-06 01:41:44,352 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-06 01:41:44,353 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:41:44" (1/1) ... [2022-12-06 01:41:44,353 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@395181fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:41:44, skipping insertion in model container [2022-12-06 01:41:44,354 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:41:44" (1/1) ... [2022-12-06 01:41:44,358 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-06 01:41:44,382 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-06 01:41:44,546 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_11-traces-max-simple_true.i[1089,1102] [2022-12-06 01:41:44,664 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 01:41:44,684 INFO L203 MainTranslator]: Completed pre-run [2022-12-06 01:41:44,695 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_11-traces-max-simple_true.i[1089,1102] [2022-12-06 01:41:44,735 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 01:41:44,766 INFO L208 MainTranslator]: Completed translation [2022-12-06 01:41:44,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:41:44 WrapperNode [2022-12-06 01:41:44,767 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-06 01:41:44,768 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-06 01:41:44,768 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-06 01:41:44,769 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-06 01:41:44,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:41:44" (1/1) ... [2022-12-06 01:41:44,787 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:41:44" (1/1) ... [2022-12-06 01:41:44,805 INFO L138 Inliner]: procedures = 162, calls = 21, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 56 [2022-12-06 01:41:44,806 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-06 01:41:44,806 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-06 01:41:44,807 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-06 01:41:44,807 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-06 01:41:44,812 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:41:44" (1/1) ... [2022-12-06 01:41:44,812 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:41:44" (1/1) ... [2022-12-06 01:41:44,832 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:41:44" (1/1) ... [2022-12-06 01:41:44,832 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:41:44" (1/1) ... [2022-12-06 01:41:44,834 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:41:44" (1/1) ... [2022-12-06 01:41:44,836 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:41:44" (1/1) ... [2022-12-06 01:41:44,836 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:41:44" (1/1) ... [2022-12-06 01:41:44,837 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:41:44" (1/1) ... [2022-12-06 01:41:44,838 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-06 01:41:44,839 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-06 01:41:44,839 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-06 01:41:44,839 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-06 01:41:44,840 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:41:44" (1/1) ... [2022-12-06 01:41:44,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 01:41:44,863 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 01:41:44,884 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) [2022-12-06 01:41:44,892 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 [2022-12-06 01:41:44,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-06 01:41:44,916 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-06 01:41:44,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-06 01:41:44,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-06 01:41:44,917 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-06 01:41:44,917 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-06 01:41:44,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-06 01:41:44,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-06 01:41:44,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-06 01:41:44,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-06 01:41:44,918 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-06 01:41:45,066 INFO L236 CfgBuilder]: Building ICFG [2022-12-06 01:41:45,067 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-06 01:41:45,218 INFO L277 CfgBuilder]: Performing block encoding [2022-12-06 01:41:45,223 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-06 01:41:45,234 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-06 01:41:45,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:41:45 BoogieIcfgContainer [2022-12-06 01:41:45,238 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-06 01:41:45,239 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-06 01:41:45,240 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-06 01:41:45,242 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-06 01:41:45,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 01:41:44" (1/3) ... [2022-12-06 01:41:45,242 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63ee6f2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 01:41:45, skipping insertion in model container [2022-12-06 01:41:45,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:41:44" (2/3) ... [2022-12-06 01:41:45,243 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63ee6f2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 01:41:45, skipping insertion in model container [2022-12-06 01:41:45,243 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:41:45" (3/3) ... [2022-12-06 01:41:45,246 INFO L112 eAbstractionObserver]: Analyzing ICFG 36-apron_11-traces-max-simple_true.i [2022-12-06 01:41:45,259 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-06 01:41:45,260 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-06 01:41:45,260 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-06 01:41:45,314 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-06 01:41:45,344 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 62 places, 60 transitions, 125 flow [2022-12-06 01:41:45,389 INFO L130 PetriNetUnfolder]: 2/59 cut-off events. [2022-12-06 01:41:45,389 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 01:41:45,393 INFO L83 FinitePrefix]: Finished finitePrefix Result has 63 conditions, 59 events. 2/59 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 45 event pairs, 0 based on Foata normal form. 0/55 useless extension candidates. Maximal degree in co-relation 35. Up to 2 conditions per place. [2022-12-06 01:41:45,394 INFO L82 GeneralOperation]: Start removeDead. Operand has 62 places, 60 transitions, 125 flow [2022-12-06 01:41:45,397 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 61 places, 59 transitions, 121 flow [2022-12-06 01:41:45,398 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 01:41:45,418 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 61 places, 59 transitions, 121 flow [2022-12-06 01:41:45,423 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 61 places, 59 transitions, 121 flow [2022-12-06 01:41:45,447 INFO L130 PetriNetUnfolder]: 2/59 cut-off events. [2022-12-06 01:41:45,447 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 01:41:45,448 INFO L83 FinitePrefix]: Finished finitePrefix Result has 63 conditions, 59 events. 2/59 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 45 event pairs, 0 based on Foata normal form. 0/55 useless extension candidates. Maximal degree in co-relation 35. Up to 2 conditions per place. [2022-12-06 01:41:45,450 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 61 places, 59 transitions, 121 flow [2022-12-06 01:41:45,451 INFO L188 LiptonReduction]: Number of co-enabled transitions 600 [2022-12-06 01:41:47,227 INFO L203 LiptonReduction]: Total number of compositions: 51 [2022-12-06 01:41:47,242 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-06 01:41:47,247 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=REPEATED_LIPTON_PN, 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;@52b8730f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-06 01:41:47,248 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-12-06 01:41:47,250 INFO L130 PetriNetUnfolder]: 0/6 cut-off events. [2022-12-06 01:41:47,251 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 01:41:47,251 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 01:41:47,251 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2022-12-06 01:41:47,252 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-06 01:41:47,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 01:41:47,255 INFO L85 PathProgramCache]: Analyzing trace with hash 232492, now seen corresponding path program 1 times [2022-12-06 01:41:47,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 01:41:47,262 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035605890] [2022-12-06 01:41:47,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 01:41:47,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 01:41:47,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 01:41:47,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 01:41:47,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 01:41:47,395 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035605890] [2022-12-06 01:41:47,395 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035605890] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 01:41:47,395 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 01:41:47,395 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-06 01:41:47,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136234296] [2022-12-06 01:41:47,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 01:41:47,402 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-06 01:41:47,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 01:41:47,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-06 01:41:47,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-06 01:41:47,420 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 1 out of 17 [2022-12-06 01:41:47,421 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 19 places, 17 transitions, 37 flow. Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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) [2022-12-06 01:41:47,421 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 01:41:47,421 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1 of 17 [2022-12-06 01:41:47,422 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 01:41:47,457 INFO L130 PetriNetUnfolder]: 18/48 cut-off events. [2022-12-06 01:41:47,457 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 01:41:47,457 INFO L83 FinitePrefix]: Finished finitePrefix Result has 100 conditions, 48 events. 18/48 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 117 event pairs, 18 based on Foata normal form. 0/40 useless extension candidates. Maximal degree in co-relation 91. Up to 48 conditions per place. [2022-12-06 01:41:47,458 INFO L137 encePairwiseOnDemand]: 12/17 looper letters, 8 selfloop transitions, 0 changer transitions 3/12 dead transitions. [2022-12-06 01:41:47,458 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 17 places, 12 transitions, 49 flow [2022-12-06 01:41:47,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-06 01:41:47,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-06 01:41:47,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 18 transitions. [2022-12-06 01:41:47,466 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5294117647058824 [2022-12-06 01:41:47,469 INFO L294 CegarLoopForPetriNet]: 19 programPoint places, -2 predicate places. [2022-12-06 01:41:47,469 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 01:41:47,470 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 17 places, 12 transitions, 49 flow [2022-12-06 01:41:47,480 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 17 places, 12 transitions, 49 flow [2022-12-06 01:41:47,480 INFO L188 LiptonReduction]: Number of co-enabled transitions 12 [2022-12-06 01:41:47,481 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 01:41:47,483 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 14 [2022-12-06 01:41:47,485 INFO L495 AbstractCegarLoop]: Abstraction has has 17 places, 12 transitions, 49 flow [2022-12-06 01:41:47,485 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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) [2022-12-06 01:41:47,486 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 01:41:47,486 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2022-12-06 01:41:47,486 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-06 01:41:47,486 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-06 01:41:47,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 01:41:47,487 INFO L85 PathProgramCache]: Analyzing trace with hash 223401860, now seen corresponding path program 1 times [2022-12-06 01:41:47,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 01:41:47,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904320597] [2022-12-06 01:41:47,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 01:41:47,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 01:41:47,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 01:41:47,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 01:41:47,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 01:41:47,577 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904320597] [2022-12-06 01:41:47,577 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904320597] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 01:41:47,577 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 01:41:47,577 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-06 01:41:47,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279517623] [2022-12-06 01:41:47,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 01:41:47,578 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 01:41:47,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 01:41:47,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 01:41:47,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 01:41:47,579 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 1 out of 12 [2022-12-06 01:41:47,579 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 17 places, 12 transitions, 49 flow. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2022-12-06 01:41:47,579 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 01:41:47,579 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1 of 12 [2022-12-06 01:41:47,579 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 01:41:47,601 INFO L130 PetriNetUnfolder]: 17/51 cut-off events. [2022-12-06 01:41:47,601 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 01:41:47,601 INFO L83 FinitePrefix]: Finished finitePrefix Result has 157 conditions, 51 events. 17/51 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 142 event pairs, 7 based on Foata normal form. 0/45 useless extension candidates. Maximal degree in co-relation 145. Up to 51 conditions per place. [2022-12-06 01:41:47,602 INFO L137 encePairwiseOnDemand]: 9/12 looper letters, 7 selfloop transitions, 2 changer transitions 8/17 dead transitions. [2022-12-06 01:41:47,602 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 19 places, 17 transitions, 101 flow [2022-12-06 01:41:47,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 01:41:47,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 01:41:47,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 20 transitions. [2022-12-06 01:41:47,602 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5555555555555556 [2022-12-06 01:41:47,603 INFO L294 CegarLoopForPetriNet]: 19 programPoint places, 0 predicate places. [2022-12-06 01:41:47,603 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 01:41:47,603 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 19 places, 17 transitions, 101 flow [2022-12-06 01:41:47,604 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 19 places, 17 transitions, 101 flow [2022-12-06 01:41:47,604 INFO L188 LiptonReduction]: Number of co-enabled transitions 10 [2022-12-06 01:41:47,604 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 01:41:47,605 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 2 [2022-12-06 01:41:47,605 INFO L495 AbstractCegarLoop]: Abstraction has has 19 places, 17 transitions, 101 flow [2022-12-06 01:41:47,605 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2022-12-06 01:41:47,605 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 01:41:47,605 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-06 01:41:47,606 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-06 01:41:47,606 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-06 01:41:47,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 01:41:47,606 INFO L85 PathProgramCache]: Analyzing trace with hash -58179493, now seen corresponding path program 1 times [2022-12-06 01:41:47,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 01:41:47,606 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366202713] [2022-12-06 01:41:47,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 01:41:47,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 01:41:47,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 01:41:47,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 01:41:47,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 01:41:47,666 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366202713] [2022-12-06 01:41:47,666 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [366202713] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 01:41:47,666 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 01:41:47,666 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-06 01:41:47,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889262333] [2022-12-06 01:41:47,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 01:41:47,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 01:41:47,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 01:41:47,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 01:41:47,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 01:41:47,667 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 1 out of 12 [2022-12-06 01:41:47,667 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 19 places, 17 transitions, 101 flow. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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) [2022-12-06 01:41:47,668 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 01:41:47,668 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1 of 12 [2022-12-06 01:41:47,668 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 01:41:47,682 INFO L130 PetriNetUnfolder]: 3/24 cut-off events. [2022-12-06 01:41:47,682 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 01:41:47,682 INFO L83 FinitePrefix]: Finished finitePrefix Result has 100 conditions, 24 events. 3/24 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 35 event pairs, 1 based on Foata normal form. 3/25 useless extension candidates. Maximal degree in co-relation 85. Up to 24 conditions per place. [2022-12-06 01:41:47,682 INFO L137 encePairwiseOnDemand]: 8/12 looper letters, 0 selfloop transitions, 0 changer transitions 14/14 dead transitions. [2022-12-06 01:41:47,682 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 20 places, 14 transitions, 109 flow [2022-12-06 01:41:47,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 01:41:47,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 01:41:47,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 16 transitions. [2022-12-06 01:41:47,683 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.4444444444444444 [2022-12-06 01:41:47,684 INFO L294 CegarLoopForPetriNet]: 19 programPoint places, 1 predicate places. [2022-12-06 01:41:47,684 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 01:41:47,684 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 20 places, 14 transitions, 109 flow [2022-12-06 01:41:47,684 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 20 places, 14 transitions, 109 flow [2022-12-06 01:41:47,684 INFO L188 LiptonReduction]: Number of co-enabled transitions 10 [2022-12-06 01:41:47,875 INFO L203 LiptonReduction]: Total number of compositions: 4 [2022-12-06 01:41:47,876 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 192 [2022-12-06 01:41:47,876 INFO L495 AbstractCegarLoop]: Abstraction has has 17 places, 11 transitions, 85 flow [2022-12-06 01:41:47,876 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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) [2022-12-06 01:41:47,878 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2022-12-06 01:41:47,878 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2022-12-06 01:41:47,879 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 4 remaining) [2022-12-06 01:41:47,879 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2022-12-06 01:41:47,879 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-06 01:41:47,879 INFO L458 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-12-06 01:41:47,882 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-06 01:41:47,882 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-06 01:41:47,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 01:41:47 BasicIcfg [2022-12-06 01:41:47,885 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-06 01:41:47,885 INFO L158 Benchmark]: Toolchain (without parser) took 3535.18ms. Allocated memory was 196.1MB in the beginning and 289.4MB in the end (delta: 93.3MB). Free memory was 171.2MB in the beginning and 251.2MB in the end (delta: -80.0MB). Peak memory consumption was 164.3MB. Max. memory is 8.0GB. [2022-12-06 01:41:47,885 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 196.1MB. Free memory is still 172.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-06 01:41:47,886 INFO L158 Benchmark]: CACSL2BoogieTranslator took 416.44ms. Allocated memory is still 196.1MB. Free memory was 170.7MB in the beginning and 152.2MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2022-12-06 01:41:47,886 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.13ms. Allocated memory is still 196.1MB. Free memory was 152.2MB in the beginning and 150.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-06 01:41:47,886 INFO L158 Benchmark]: Boogie Preprocessor took 32.08ms. Allocated memory is still 196.1MB. Free memory was 150.3MB in the beginning and 149.2MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-12-06 01:41:47,886 INFO L158 Benchmark]: RCFGBuilder took 398.77ms. Allocated memory is still 196.1MB. Free memory was 148.7MB in the beginning and 136.6MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-12-06 01:41:47,887 INFO L158 Benchmark]: TraceAbstraction took 2645.29ms. Allocated memory was 196.1MB in the beginning and 289.4MB in the end (delta: 93.3MB). Free memory was 135.6MB in the beginning and 251.2MB in the end (delta: -115.7MB). Peak memory consumption was 128.6MB. Max. memory is 8.0GB. [2022-12-06 01:41:47,888 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 196.1MB. Free memory is still 172.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 416.44ms. Allocated memory is still 196.1MB. Free memory was 170.7MB in the beginning and 152.2MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 38.13ms. Allocated memory is still 196.1MB. Free memory was 152.2MB in the beginning and 150.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 32.08ms. Allocated memory is still 196.1MB. Free memory was 150.3MB in the beginning and 149.2MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 398.77ms. Allocated memory is still 196.1MB. Free memory was 148.7MB in the beginning and 136.6MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 2645.29ms. Allocated memory was 196.1MB in the beginning and 289.4MB in the end (delta: 93.3MB). Free memory was 135.6MB in the beginning and 251.2MB in the end (delta: -115.7MB). Peak memory consumption was 128.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.8s, 61 PlacesBefore, 19 PlacesAfterwards, 59 TransitionsBefore, 17 TransitionsAfterwards, 600 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 5 ConcurrentSequentialCompositions, 22 TrivialYvCompositions, 24 ConcurrentYvCompositions, 0 ChoiceCompositions, 51 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 685, independent: 630, independent conditional: 630, independent unconditional: 0, dependent: 55, dependent conditional: 55, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 685, independent: 630, independent conditional: 0, independent unconditional: 630, dependent: 55, dependent conditional: 0, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 685, independent: 630, independent conditional: 0, independent unconditional: 630, dependent: 55, dependent conditional: 0, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 685, independent: 630, independent conditional: 0, independent unconditional: 630, dependent: 55, dependent conditional: 0, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 492, independent: 474, independent conditional: 0, independent unconditional: 474, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 492, independent: 435, independent conditional: 0, independent unconditional: 435, dependent: 57, dependent conditional: 0, dependent unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 57, independent: 39, independent conditional: 0, independent unconditional: 39, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 64, independent: 38, independent conditional: 0, independent unconditional: 38, dependent: 26, dependent conditional: 0, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 685, independent: 156, independent conditional: 0, independent unconditional: 156, dependent: 37, dependent conditional: 0, dependent unconditional: 37, unknown: 492, unknown conditional: 0, unknown unconditional: 492] , Statistics on independence cache: Total cache size (in pairs): 1011, Positive cache size: 993, Positive conditional cache size: 0, Positive unconditional cache size: 993, Negative cache size: 18, Negative conditional cache size: 0, Negative unconditional cache size: 18, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 17 PlacesBefore, 17 PlacesAfterwards, 12 TransitionsBefore, 12 TransitionsAfterwards, 12 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, 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, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 19 PlacesBefore, 19 PlacesAfterwards, 17 TransitionsBefore, 17 TransitionsAfterwards, 10 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, 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, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.2s, 20 PlacesBefore, 17 PlacesAfterwards, 14 TransitionsBefore, 11 TransitionsAfterwards, 10 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 3 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 4 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, 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, Eliminated conditions: 0, Maximal queried relation: -1 - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - 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, 4 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: 2.5s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.9s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s 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, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=109occurred in iteration=3, InterpolantAutomatonStates: 8, 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, 0.2s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 20 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-06 01:41:47,922 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...