/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 --traceabstraction.size.reduction.to.apply.after.petri.net.difference REMOVE_DEAD -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-a802222-m [2022-12-13 06:50:59,590 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 06:50:59,592 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 06:50:59,627 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 06:50:59,628 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 06:50:59,641 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 06:50:59,642 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 06:50:59,644 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 06:50:59,645 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 06:50:59,646 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 06:50:59,647 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 06:50:59,648 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 06:50:59,648 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 06:50:59,649 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 06:50:59,650 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 06:50:59,655 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 06:50:59,656 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 06:50:59,657 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 06:50:59,658 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 06:50:59,660 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 06:50:59,661 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 06:50:59,665 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 06:50:59,667 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 06:50:59,668 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 06:50:59,678 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-12-13 06:50:59,684 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 06:50:59,685 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 06:50:59,686 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 06:50:59,689 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 [2022-12-13 06:50:59,721 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 06:50:59,721 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 06:50:59,723 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 06:50:59,723 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 06:50:59,723 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 06:50:59,724 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 06:50:59,724 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 06:50:59,724 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 06:50:59,725 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 06:50:59,725 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 06:50:59,725 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 06:50:59,726 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 06:50:59,726 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 06:50:59,726 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 06:50:59,726 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 06:50:59,726 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 06:50:59,726 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 06:50:59,726 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 06:50:59,727 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 06:50:59,727 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-13 06:50:59,727 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 06:50:59,727 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 06:50:59,727 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 06:50:59,727 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 06:50:59,727 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 06:50:59,728 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 06:50:59,728 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 06:50:59,728 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-13 06:50:59,728 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use on-demand Petri net difference -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Size reduction to apply after Petri net difference -> REMOVE_DEAD [2022-12-13 06:51:00,015 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 06:51:00,041 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 06:51:00,044 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 06:51:00,044 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 06:51:00,045 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 06:51:00,046 INFO L432 ainManager$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 [2022-12-13 06:51:01,194 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 06:51:01,429 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 06:51:01,430 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_11-traces-max-simple_true.i [2022-12-13 06:51:01,445 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/daf527d5f/f0788c0b497b4e5ab64c655e58ebcd1f/FLAGf2701628e [2022-12-13 06:51:01,459 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/daf527d5f/f0788c0b497b4e5ab64c655e58ebcd1f [2022-12-13 06:51:01,462 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 06:51:01,463 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-13 06:51:01,465 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 06:51:01,465 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 06:51:01,467 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 06:51:01,468 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:51:01" (1/1) ... [2022-12-13 06:51:01,469 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71a999b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:51:01, skipping insertion in model container [2022-12-13 06:51:01,469 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:51:01" (1/1) ... [2022-12-13 06:51:01,474 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 06:51:01,511 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 06:51:01,670 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] [2022-12-13 06:51:01,825 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 06:51:01,838 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 06:51:01,850 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] [2022-12-13 06:51:01,877 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 06:51:01,911 INFO L208 MainTranslator]: Completed translation [2022-12-13 06:51:01,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:51:01 WrapperNode [2022-12-13 06:51:01,911 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 06:51:01,913 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 06:51:01,913 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 06:51:01,914 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 06:51:01,920 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:51:01" (1/1) ... [2022-12-13 06:51:01,933 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:51:01" (1/1) ... [2022-12-13 06:51:01,954 INFO L138 Inliner]: procedures = 162, calls = 21, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 56 [2022-12-13 06:51:01,955 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 06:51:01,955 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 06:51:01,955 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 06:51:01,955 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 06:51:01,962 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:51:01" (1/1) ... [2022-12-13 06:51:01,962 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:51:01" (1/1) ... [2022-12-13 06:51:01,978 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:51:01" (1/1) ... [2022-12-13 06:51:01,978 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:51:01" (1/1) ... [2022-12-13 06:51:01,981 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:51:01" (1/1) ... [2022-12-13 06:51:01,983 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:51:01" (1/1) ... [2022-12-13 06:51:01,984 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:51:01" (1/1) ... [2022-12-13 06:51:01,985 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:51:01" (1/1) ... [2022-12-13 06:51:01,987 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 06:51:01,988 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 06:51:01,988 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 06:51:01,988 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 06:51:01,989 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:51:01" (1/1) ... [2022-12-13 06:51:01,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 06:51:02,004 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-13 06:51:02,020 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) [2022-12-13 06:51:02,045 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 [2022-12-13 06:51:02,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 06:51:02,062 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-13 06:51:02,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 06:51:02,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 06:51:02,063 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-13 06:51:02,063 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-13 06:51:02,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 06:51:02,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 06:51:02,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 06:51:02,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 06:51:02,064 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-13 06:51:02,186 INFO L236 CfgBuilder]: Building ICFG [2022-12-13 06:51:02,188 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 06:51:02,303 INFO L277 CfgBuilder]: Performing block encoding [2022-12-13 06:51:02,308 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 06:51:02,308 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 06:51:02,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:51:02 BoogieIcfgContainer [2022-12-13 06:51:02,310 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 06:51:02,312 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 06:51:02,312 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 06:51:02,315 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 06:51:02,315 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 06:51:01" (1/3) ... [2022-12-13 06:51:02,316 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ec3ee41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:51:02, skipping insertion in model container [2022-12-13 06:51:02,316 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:51:01" (2/3) ... [2022-12-13 06:51:02,316 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ec3ee41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:51:02, skipping insertion in model container [2022-12-13 06:51:02,316 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:51:02" (3/3) ... [2022-12-13 06:51:02,317 INFO L112 eAbstractionObserver]: Analyzing ICFG 36-apron_11-traces-max-simple_true.i [2022-12-13 06:51:02,349 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 06:51:02,349 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 06:51:02,350 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 06:51:02,420 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-13 06:51:02,454 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 62 places, 60 transitions, 125 flow [2022-12-13 06:51:02,509 INFO L130 PetriNetUnfolder]: 2/59 cut-off events. [2022-12-13 06:51:02,509 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 06:51:02,514 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. [2022-12-13 06:51:02,514 INFO L82 GeneralOperation]: Start removeDead. Operand has 62 places, 60 transitions, 125 flow [2022-12-13 06:51:02,518 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 61 places, 59 transitions, 121 flow [2022-12-13 06:51:02,519 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 06:51:02,538 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 61 places, 59 transitions, 121 flow [2022-12-13 06:51:02,547 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 61 places, 59 transitions, 121 flow [2022-12-13 06:51:02,578 INFO L130 PetriNetUnfolder]: 2/59 cut-off events. [2022-12-13 06:51:02,579 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 06:51:02,579 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. [2022-12-13 06:51:02,582 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 61 places, 59 transitions, 121 flow [2022-12-13 06:51:02,582 INFO L226 LiptonReduction]: Number of co-enabled transitions 600 [2022-12-13 06:51:04,732 INFO L241 LiptonReduction]: Total number of compositions: 52 [2022-12-13 06:51:04,746 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 06:51:04,751 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;@2e454636, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 06:51:04,752 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-12-13 06:51:04,755 INFO L130 PetriNetUnfolder]: 0/12 cut-off events. [2022-12-13 06:51:04,755 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 06:51:04,755 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 06:51:04,756 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2022-12-13 06:51:04,756 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)] === [2022-12-13 06:51:04,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 06:51:04,760 INFO L85 PathProgramCache]: Analyzing trace with hash 243079, now seen corresponding path program 1 times [2022-12-13 06:51:04,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 06:51:04,769 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83437928] [2022-12-13 06:51:04,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 06:51:04,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 06:51:04,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 06:51:04,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 06:51:04,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 06:51:04,898 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83437928] [2022-12-13 06:51:04,899 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [83437928] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 06:51:04,899 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 06:51:04,899 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 06:51:04,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994786858] [2022-12-13 06:51:04,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 06:51:04,907 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 06:51:04,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 06:51:04,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 06:51:04,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 06:51:04,926 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 37 [2022-12-13 06:51:04,927 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 37 transitions, 77 flow. Second operand has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 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) [2022-12-13 06:51:04,927 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 06:51:04,927 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 37 [2022-12-13 06:51:04,928 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 06:51:05,021 INFO L130 PetriNetUnfolder]: 120/293 cut-off events. [2022-12-13 06:51:05,022 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 06:51:05,023 INFO L83 FinitePrefix]: Finished finitePrefix Result has 563 conditions, 293 events. 120/293 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 1481 event pairs, 120 based on Foata normal form. 0/139 useless extension candidates. Maximal degree in co-relation 554. Up to 266 conditions per place. [2022-12-13 06:51:05,025 INFO L137 encePairwiseOnDemand]: 31/37 looper letters, 13 selfloop transitions, 0 changer transitions 14/31 dead transitions. [2022-12-13 06:51:05,026 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 31 transitions, 115 flow [2022-12-13 06:51:05,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 06:51:05,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-13 06:51:05,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 43 transitions. [2022-12-13 06:51:05,035 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.581081081081081 [2022-12-13 06:51:05,040 INFO L295 CegarLoopForPetriNet]: 39 programPoint places, -3 predicate places. [2022-12-13 06:51:05,041 INFO L82 GeneralOperation]: Start removeDead. Operand has 36 places, 31 transitions, 115 flow [2022-12-13 06:51:05,043 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 22 places, 17 transitions, 63 flow [2022-12-13 06:51:05,047 WARN L178 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-13 06:51:05,048 INFO L89 Accepts]: Start accepts. Operand has 22 places, 17 transitions, 63 flow [2022-12-13 06:51:05,050 INFO L95 Accepts]: Finished accepts. [2022-12-13 06:51:05,050 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 06:51:05,050 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 22 places, 17 transitions, 63 flow [2022-12-13 06:51:05,060 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 22 places, 17 transitions, 63 flow [2022-12-13 06:51:05,060 INFO L226 LiptonReduction]: Number of co-enabled transitions 40 [2022-12-13 06:51:05,064 INFO L241 LiptonReduction]: Total number of compositions: 0 [2022-12-13 06:51:05,067 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 20 [2022-12-13 06:51:05,070 INFO L495 AbstractCegarLoop]: Abstraction has has 22 places, 17 transitions, 63 flow [2022-12-13 06:51:05,070 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 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) [2022-12-13 06:51:05,070 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 06:51:05,071 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2022-12-13 06:51:05,071 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 06:51:05,072 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)] === [2022-12-13 06:51:05,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 06:51:05,073 INFO L85 PathProgramCache]: Analyzing trace with hash 233562523, now seen corresponding path program 1 times [2022-12-13 06:51:05,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 06:51:05,073 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035380678] [2022-12-13 06:51:05,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 06:51:05,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 06:51:05,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 06:51:05,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 06:51:05,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 06:51:05,182 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035380678] [2022-12-13 06:51:05,182 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035380678] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 06:51:05,182 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 06:51:05,182 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 06:51:05,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147205873] [2022-12-13 06:51:05,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 06:51:05,183 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 06:51:05,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 06:51:05,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 06:51:05,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 06:51:05,184 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 2 out of 17 [2022-12-13 06:51:05,184 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 22 places, 17 transitions, 63 flow. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2022-12-13 06:51:05,184 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 06:51:05,185 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 2 of 17 [2022-12-13 06:51:05,185 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 06:51:05,223 INFO L130 PetriNetUnfolder]: 26/93 cut-off events. [2022-12-13 06:51:05,223 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2022-12-13 06:51:05,224 INFO L83 FinitePrefix]: Finished finitePrefix Result has 254 conditions, 93 events. 26/93 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 403 event pairs, 11 based on Foata normal form. 10/87 useless extension candidates. Maximal degree in co-relation 242. Up to 68 conditions per place. [2022-12-13 06:51:05,224 INFO L137 encePairwiseOnDemand]: 10/17 looper letters, 8 selfloop transitions, 6 changer transitions 12/27 dead transitions. [2022-12-13 06:51:05,224 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 24 places, 27 transitions, 149 flow [2022-12-13 06:51:05,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 06:51:05,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 06:51:05,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 32 transitions. [2022-12-13 06:51:05,226 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.6274509803921569 [2022-12-13 06:51:05,227 INFO L295 CegarLoopForPetriNet]: 39 programPoint places, -15 predicate places. [2022-12-13 06:51:05,227 INFO L82 GeneralOperation]: Start removeDead. Operand has 24 places, 27 transitions, 149 flow [2022-12-13 06:51:05,227 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 21 places, 15 transitions, 87 flow [2022-12-13 06:51:05,228 WARN L178 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-13 06:51:05,228 INFO L89 Accepts]: Start accepts. Operand has 21 places, 15 transitions, 87 flow [2022-12-13 06:51:05,228 INFO L95 Accepts]: Finished accepts. [2022-12-13 06:51:05,228 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 06:51:05,229 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 21 places, 15 transitions, 87 flow [2022-12-13 06:51:05,229 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 21 places, 15 transitions, 87 flow [2022-12-13 06:51:05,229 INFO L226 LiptonReduction]: Number of co-enabled transitions 6 [2022-12-13 06:51:05,230 INFO L241 LiptonReduction]: Total number of compositions: 0 [2022-12-13 06:51:05,231 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 3 [2022-12-13 06:51:05,231 INFO L495 AbstractCegarLoop]: Abstraction has has 21 places, 15 transitions, 87 flow [2022-12-13 06:51:05,231 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2022-12-13 06:51:05,231 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 06:51:05,231 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 06:51:05,231 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 06:51:05,231 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)] === [2022-12-13 06:51:05,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 06:51:05,232 INFO L85 PathProgramCache]: Analyzing trace with hash 1123510904, now seen corresponding path program 1 times [2022-12-13 06:51:05,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 06:51:05,232 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574155811] [2022-12-13 06:51:05,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 06:51:05,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 06:51:05,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 06:51:05,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 06:51:05,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 06:51:05,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574155811] [2022-12-13 06:51:05,315 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [574155811] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 06:51:05,315 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 06:51:05,315 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 06:51:05,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437010156] [2022-12-13 06:51:05,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 06:51:05,315 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 06:51:05,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 06:51:05,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 06:51:05,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 06:51:05,316 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 2 out of 14 [2022-12-13 06:51:05,317 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 21 places, 15 transitions, 87 flow. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2022-12-13 06:51:05,317 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 06:51:05,317 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 2 of 14 [2022-12-13 06:51:05,317 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 06:51:05,325 INFO L130 PetriNetUnfolder]: 0/5 cut-off events. [2022-12-13 06:51:05,325 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 06:51:05,325 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27 conditions, 5 events. 0/5 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 1 event pairs, 0 based on Foata normal form. 3/8 useless extension candidates. Maximal degree in co-relation 0. Up to 6 conditions per place. [2022-12-13 06:51:05,325 INFO L137 encePairwiseOnDemand]: 12/14 looper letters, 0 selfloop transitions, 0 changer transitions 5/5 dead transitions. [2022-12-13 06:51:05,325 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 14 places, 5 transitions, 43 flow [2022-12-13 06:51:05,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 06:51:05,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 06:51:05,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-12-13 06:51:05,326 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.30952380952380953 [2022-12-13 06:51:05,327 INFO L295 CegarLoopForPetriNet]: 39 programPoint places, -25 predicate places. [2022-12-13 06:51:05,327 INFO L82 GeneralOperation]: Start removeDead. Operand has 14 places, 5 transitions, 43 flow [2022-12-13 06:51:05,327 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 0 places, 0 transitions, 0 flow [2022-12-13 06:51:05,328 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 06:51:05,328 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 0 places, 0 transitions, 0 flow [2022-12-13 06:51:05,328 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 0 places, 0 transitions, 0 flow [2022-12-13 06:51:05,328 INFO L226 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-13 06:51:05,328 INFO L241 LiptonReduction]: Total number of compositions: 0 [2022-12-13 06:51:05,329 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 2 [2022-12-13 06:51:05,329 INFO L495 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2022-12-13 06:51:05,329 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2022-12-13 06:51:05,331 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2022-12-13 06:51:05,332 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2022-12-13 06:51:05,332 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 4 remaining) [2022-12-13 06:51:05,332 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2022-12-13 06:51:05,332 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 06:51:05,333 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-12-13 06:51:05,337 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 06:51:05,337 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 06:51:05,340 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 06:51:05 BasicIcfg [2022-12-13 06:51:05,340 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 06:51:05,340 INFO L158 Benchmark]: Toolchain (without parser) took 3877.56ms. Allocated memory was 174.1MB in the beginning and 224.4MB in the end (delta: 50.3MB). Free memory was 150.2MB in the beginning and 133.6MB in the end (delta: 16.6MB). Peak memory consumption was 67.5MB. Max. memory is 8.0GB. [2022-12-13 06:51:05,341 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 174.1MB. Free memory is still 151.5MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-13 06:51:05,341 INFO L158 Benchmark]: CACSL2BoogieTranslator took 446.97ms. Allocated memory is still 174.1MB. Free memory was 149.7MB in the beginning and 131.4MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2022-12-13 06:51:05,341 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.86ms. Allocated memory is still 174.1MB. Free memory was 130.9MB in the beginning and 129.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-13 06:51:05,342 INFO L158 Benchmark]: Boogie Preprocessor took 31.87ms. Allocated memory is still 174.1MB. Free memory was 129.3MB in the beginning and 127.7MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-12-13 06:51:05,342 INFO L158 Benchmark]: RCFGBuilder took 322.53ms. Allocated memory is still 174.1MB. Free memory was 127.7MB in the beginning and 115.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-12-13 06:51:05,342 INFO L158 Benchmark]: TraceAbstraction took 3027.81ms. Allocated memory was 174.1MB in the beginning and 224.4MB in the end (delta: 50.3MB). Free memory was 114.1MB in the beginning and 133.6MB in the end (delta: -19.6MB). Peak memory consumption was 31.8MB. Max. memory is 8.0GB. [2022-12-13 06:51:05,344 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 174.1MB. Free memory is still 151.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 446.97ms. Allocated memory is still 174.1MB. Free memory was 149.7MB in the beginning and 131.4MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 41.86ms. Allocated memory is still 174.1MB. Free memory was 130.9MB in the beginning and 129.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 31.87ms. Allocated memory is still 174.1MB. Free memory was 129.3MB in the beginning and 127.7MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 322.53ms. Allocated memory is still 174.1MB. Free memory was 127.7MB in the beginning and 115.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 3027.81ms. Allocated memory was 174.1MB in the beginning and 224.4MB in the end (delta: 50.3MB). Free memory was 114.1MB in the beginning and 133.6MB in the end (delta: -19.6MB). Peak memory consumption was 31.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.2s, 61 PlacesBefore, 39 PlacesAfterwards, 59 TransitionsBefore, 37 TransitionsAfterwards, 600 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 6 ConcurrentSequentialCompositions, 22 TrivialYvCompositions, 22 ConcurrentYvCompositions, 2 ChoiceCompositions, 52 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1340, independent: 1236, independent conditional: 1236, independent unconditional: 0, dependent: 104, dependent conditional: 104, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1340, independent: 1236, independent conditional: 0, independent unconditional: 1236, dependent: 104, dependent conditional: 0, dependent unconditional: 104, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1340, independent: 1236, independent conditional: 0, independent unconditional: 1236, dependent: 104, dependent conditional: 0, dependent unconditional: 104, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1340, independent: 1236, independent conditional: 0, independent unconditional: 1236, dependent: 104, dependent conditional: 0, dependent unconditional: 104, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 731, independent: 703, independent conditional: 0, independent unconditional: 703, dependent: 28, dependent conditional: 0, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 731, independent: 647, independent conditional: 0, independent unconditional: 647, dependent: 84, dependent conditional: 0, dependent unconditional: 84, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 84, independent: 56, independent conditional: 0, independent unconditional: 56, dependent: 28, dependent conditional: 0, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 121, independent: 55, independent conditional: 0, independent unconditional: 55, dependent: 66, dependent conditional: 0, dependent unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1340, independent: 533, independent conditional: 0, independent unconditional: 533, dependent: 76, dependent conditional: 0, dependent unconditional: 76, unknown: 731, unknown conditional: 0, unknown unconditional: 731] , Statistics on independence cache: Total cache size (in pairs): 1688, Positive cache size: 1660, Positive conditional cache size: 0, Positive unconditional cache size: 1660, Negative cache size: 28, Negative conditional cache size: 0, Negative unconditional cache size: 28, 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, 22 PlacesBefore, 22 PlacesAfterwards, 17 TransitionsBefore, 17 TransitionsAfterwards, 40 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, 21 PlacesBefore, 21 PlacesAfterwards, 15 TransitionsBefore, 15 TransitionsAfterwards, 6 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, 0 PlacesBefore, 0 PlacesAfterwards, 0 TransitionsBefore, 0 TransitionsAfterwards, 0 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 - 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: 2.9s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 73 IncrementalHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 2 mSDtfsCounter, 73 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=87occurred in iteration=2, 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! [2022-12-13 06:51:05,362 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...