/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/13-privatized_18-first-reads_true.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-a802222-m [2022-12-13 03:39:45,348 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 03:39:45,350 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 03:39:45,380 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 03:39:45,380 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 03:39:45,382 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 03:39:45,384 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 03:39:45,387 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 03:39:45,390 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 03:39:45,394 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 03:39:45,395 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 03:39:45,396 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 03:39:45,397 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 03:39:45,398 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 03:39:45,415 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 03:39:45,417 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 03:39:45,418 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 03:39:45,418 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 03:39:45,420 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 03:39:45,424 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 03:39:45,425 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 03:39:45,425 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 03:39:45,426 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 03:39:45,427 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 03:39:45,432 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-12-13 03:39:45,439 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 03:39:45,440 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 03:39:45,440 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 03:39:45,441 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 03:39:45,466 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 03:39:45,466 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 03:39:45,468 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 03:39:45,468 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 03:39:45,468 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 03:39:45,469 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 03:39:45,469 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 03:39:45,469 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 03:39:45,469 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 03:39:45,469 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 03:39:45,470 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 03:39:45,470 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 03:39:45,470 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 03:39:45,470 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 03:39:45,470 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 03:39:45,470 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 03:39:45,470 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 03:39:45,470 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 03:39:45,471 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 03:39:45,471 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-13 03:39:45,471 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 03:39:45,471 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 03:39:45,471 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 03:39:45,471 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 03:39:45,471 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 03:39:45,471 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 03:39:45,472 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 03:39:45,472 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-13 03:39:45,472 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use on-demand Petri net difference -> true [2022-12-13 03:39:45,725 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 03:39:45,744 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 03:39:45,745 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 03:39:45,746 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 03:39:45,747 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 03:39:45,748 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_18-first-reads_true.i [2022-12-13 03:39:46,663 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 03:39:46,947 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 03:39:46,948 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_18-first-reads_true.i [2022-12-13 03:39:46,978 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4f1b8586/74ba25b76ccb4ef28b9d2c8abdf02203/FLAG452911395 [2022-12-13 03:39:46,991 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4f1b8586/74ba25b76ccb4ef28b9d2c8abdf02203 [2022-12-13 03:39:46,993 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 03:39:46,994 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-13 03:39:46,997 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 03:39:46,997 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 03:39:46,999 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 03:39:46,999 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:39:46" (1/1) ... [2022-12-13 03:39:47,000 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@313fea1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:39:47, skipping insertion in model container [2022-12-13 03:39:47,001 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:39:46" (1/1) ... [2022-12-13 03:39:47,005 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 03:39:47,047 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 03:39:47,173 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/13-privatized_18-first-reads_true.i[1088,1101] [2022-12-13 03:39:47,305 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 03:39:47,314 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 03:39:47,323 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/13-privatized_18-first-reads_true.i[1088,1101] [2022-12-13 03:39:47,348 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 03:39:47,380 INFO L208 MainTranslator]: Completed translation [2022-12-13 03:39:47,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:39:47 WrapperNode [2022-12-13 03:39:47,381 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 03:39:47,382 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 03:39:47,382 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 03:39:47,383 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 03:39:47,387 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:39:47" (1/1) ... [2022-12-13 03:39:47,409 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:39:47" (1/1) ... [2022-12-13 03:39:47,425 INFO L138 Inliner]: procedures = 163, calls = 22, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 48 [2022-12-13 03:39:47,426 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 03:39:47,427 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 03:39:47,427 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 03:39:47,427 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 03:39:47,433 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:39:47" (1/1) ... [2022-12-13 03:39:47,433 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:39:47" (1/1) ... [2022-12-13 03:39:47,439 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:39:47" (1/1) ... [2022-12-13 03:39:47,439 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:39:47" (1/1) ... [2022-12-13 03:39:47,452 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:39:47" (1/1) ... [2022-12-13 03:39:47,453 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:39:47" (1/1) ... [2022-12-13 03:39:47,454 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:39:47" (1/1) ... [2022-12-13 03:39:47,454 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:39:47" (1/1) ... [2022-12-13 03:39:47,456 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 03:39:47,456 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 03:39:47,456 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 03:39:47,456 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 03:39:47,457 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:39:47" (1/1) ... [2022-12-13 03:39:47,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 03:39:47,470 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-13 03:39:47,479 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 03:39:47,482 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 03:39:47,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 03:39:47,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 03:39:47,509 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-13 03:39:47,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 03:39:47,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 03:39:47,509 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-13 03:39:47,509 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-13 03:39:47,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 03:39:47,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 03:39:47,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 03:39:47,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 03:39:47,511 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 03:39:47,598 INFO L236 CfgBuilder]: Building ICFG [2022-12-13 03:39:47,599 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 03:39:47,784 INFO L277 CfgBuilder]: Performing block encoding [2022-12-13 03:39:47,790 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 03:39:47,790 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 03:39:47,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:39:47 BoogieIcfgContainer [2022-12-13 03:39:47,792 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 03:39:47,794 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 03:39:47,794 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 03:39:47,797 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 03:39:47,797 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 03:39:46" (1/3) ... [2022-12-13 03:39:47,797 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53b6fbfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 03:39:47, skipping insertion in model container [2022-12-13 03:39:47,798 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:39:47" (2/3) ... [2022-12-13 03:39:47,798 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53b6fbfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 03:39:47, skipping insertion in model container [2022-12-13 03:39:47,798 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:39:47" (3/3) ... [2022-12-13 03:39:47,800 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_18-first-reads_true.i [2022-12-13 03:39:47,817 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 03:39:47,817 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 03:39:47,817 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 03:39:47,871 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-12-13 03:39:47,904 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 67 places, 66 transitions, 140 flow [2022-12-13 03:39:47,960 INFO L130 PetriNetUnfolder]: 3/65 cut-off events. [2022-12-13 03:39:47,960 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-13 03:39:47,965 INFO L83 FinitePrefix]: Finished finitePrefix Result has 70 conditions, 65 events. 3/65 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 42 event pairs, 0 based on Foata normal form. 0/60 useless extension candidates. Maximal degree in co-relation 29. Up to 2 conditions per place. [2022-12-13 03:39:47,965 INFO L82 GeneralOperation]: Start removeDead. Operand has 67 places, 66 transitions, 140 flow [2022-12-13 03:39:47,970 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 59 places, 58 transitions, 119 flow [2022-12-13 03:39:47,972 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 03:39:47,995 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 59 places, 58 transitions, 119 flow [2022-12-13 03:39:48,000 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 59 places, 58 transitions, 119 flow [2022-12-13 03:39:48,024 INFO L130 PetriNetUnfolder]: 3/58 cut-off events. [2022-12-13 03:39:48,024 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 03:39:48,025 INFO L83 FinitePrefix]: Finished finitePrefix Result has 62 conditions, 58 events. 3/58 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 42 event pairs, 0 based on Foata normal form. 0/53 useless extension candidates. Maximal degree in co-relation 29. Up to 2 conditions per place. [2022-12-13 03:39:48,027 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 59 places, 58 transitions, 119 flow [2022-12-13 03:39:48,027 INFO L226 LiptonReduction]: Number of co-enabled transitions 392 [2022-12-13 03:39:50,131 INFO L241 LiptonReduction]: Total number of compositions: 48 [2022-12-13 03:39:50,141 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 03:39:50,149 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;@36691138, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 03:39:50,149 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-12-13 03:39:50,150 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2022-12-13 03:39:50,150 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 03:39:50,150 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 03:39:50,151 INFO L214 CegarLoopForPetriNet]: trace histogram [1] [2022-12-13 03:39:50,151 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-13 03:39:50,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 03:39:50,154 INFO L85 PathProgramCache]: Analyzing trace with hash 263, now seen corresponding path program 1 times [2022-12-13 03:39:50,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 03:39:50,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745452665] [2022-12-13 03:39:50,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 03:39:50,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 03:39:50,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 03:39:50,244 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 03:39:50,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 03:39:50,244 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745452665] [2022-12-13 03:39:50,245 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [745452665] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 03:39:50,245 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 03:39:50,245 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-12-13 03:39:50,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430071514] [2022-12-13 03:39:50,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 03:39:50,252 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 03:39:50,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 03:39:50,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 03:39:50,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 03:39:50,268 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 3 out of 22 [2022-12-13 03:39:50,269 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 24 places, 22 transitions, 47 flow. Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 03:39:50,269 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 03:39:50,269 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 3 of 22 [2022-12-13 03:39:50,270 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 03:39:50,322 INFO L130 PetriNetUnfolder]: 45/105 cut-off events. [2022-12-13 03:39:50,322 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 03:39:50,323 INFO L83 FinitePrefix]: Finished finitePrefix Result has 211 conditions, 105 events. 45/105 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 394 event pairs, 40 based on Foata normal form. 0/59 useless extension candidates. Maximal degree in co-relation 202. Up to 102 conditions per place. [2022-12-13 03:39:50,325 INFO L137 encePairwiseOnDemand]: 20/22 looper letters, 15 selfloop transitions, 0 changer transitions 2/20 dead transitions. [2022-12-13 03:39:50,325 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 24 places, 20 transitions, 77 flow [2022-12-13 03:39:50,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 03:39:50,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-13 03:39:50,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 25 transitions. [2022-12-13 03:39:50,334 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.5681818181818182 [2022-12-13 03:39:50,338 INFO L295 CegarLoopForPetriNet]: 24 programPoint places, 0 predicate places. [2022-12-13 03:39:50,338 INFO L82 GeneralOperation]: Start removeDead. Operand has 24 places, 20 transitions, 77 flow [2022-12-13 03:39:50,340 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 22 places, 18 transitions, 69 flow [2022-12-13 03:39:50,341 WARN L178 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-13 03:39:50,342 INFO L89 Accepts]: Start accepts. Operand has 22 places, 18 transitions, 69 flow [2022-12-13 03:39:50,344 INFO L95 Accepts]: Finished accepts. [2022-12-13 03:39:50,344 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 03:39:50,344 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 22 places, 18 transitions, 69 flow [2022-12-13 03:39:50,356 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 22 places, 18 transitions, 69 flow [2022-12-13 03:39:50,356 INFO L226 LiptonReduction]: Number of co-enabled transitions 12 [2022-12-13 03:39:50,357 INFO L241 LiptonReduction]: Total number of compositions: 0 [2022-12-13 03:39:50,360 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 19 [2022-12-13 03:39:50,362 INFO L495 AbstractCegarLoop]: Abstraction has has 22 places, 18 transitions, 69 flow [2022-12-13 03:39:50,363 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 03:39:50,363 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 03:39:50,363 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2022-12-13 03:39:50,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 03:39:50,363 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-13 03:39:50,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 03:39:50,364 INFO L85 PathProgramCache]: Analyzing trace with hash 8086105, now seen corresponding path program 1 times [2022-12-13 03:39:50,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 03:39:50,364 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415520859] [2022-12-13 03:39:50,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 03:39:50,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 03:39:50,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 03:39:50,536 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 03:39:50,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 03:39:50,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415520859] [2022-12-13 03:39:50,537 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415520859] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 03:39:50,537 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 03:39:50,537 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 03:39:50,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78028653] [2022-12-13 03:39:50,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 03:39:50,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 03:39:50,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 03:39:50,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 03:39:50,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 03:39:50,558 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 2 out of 18 [2022-12-13 03:39:50,558 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 22 places, 18 transitions, 69 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) [2022-12-13 03:39:50,558 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 03:39:50,558 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 2 of 18 [2022-12-13 03:39:50,558 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 03:39:50,597 INFO L130 PetriNetUnfolder]: 16/54 cut-off events. [2022-12-13 03:39:50,597 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-12-13 03:39:50,598 INFO L83 FinitePrefix]: Finished finitePrefix Result has 155 conditions, 54 events. 16/54 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 168 event pairs, 12 based on Foata normal form. 12/51 useless extension candidates. Maximal degree in co-relation 143. Up to 46 conditions per place. [2022-12-13 03:39:50,598 INFO L137 encePairwiseOnDemand]: 14/18 looper letters, 8 selfloop transitions, 3 changer transitions 9/21 dead transitions. [2022-12-13 03:39:50,598 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 24 places, 21 transitions, 117 flow [2022-12-13 03:39:50,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 03:39:50,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 03:39:50,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 26 transitions. [2022-12-13 03:39:50,599 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.48148148148148145 [2022-12-13 03:39:50,600 INFO L295 CegarLoopForPetriNet]: 24 programPoint places, 0 predicate places. [2022-12-13 03:39:50,600 INFO L82 GeneralOperation]: Start removeDead. Operand has 24 places, 21 transitions, 117 flow [2022-12-13 03:39:50,600 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 18 places, 12 transitions, 69 flow [2022-12-13 03:39:50,600 WARN L178 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-13 03:39:50,600 INFO L89 Accepts]: Start accepts. Operand has 18 places, 12 transitions, 69 flow [2022-12-13 03:39:50,601 INFO L95 Accepts]: Finished accepts. [2022-12-13 03:39:50,601 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 03:39:50,601 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 18 places, 12 transitions, 69 flow [2022-12-13 03:39:50,601 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 18 places, 12 transitions, 69 flow [2022-12-13 03:39:50,602 INFO L226 LiptonReduction]: Number of co-enabled transitions 2 [2022-12-13 03:39:50,694 INFO L241 LiptonReduction]: Total number of compositions: 2 [2022-12-13 03:39:50,695 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 95 [2022-12-13 03:39:50,695 INFO L495 AbstractCegarLoop]: Abstraction has has 18 places, 12 transitions, 69 flow [2022-12-13 03:39:50,695 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) [2022-12-13 03:39:50,695 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 03:39:50,695 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-13 03:39:50,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 03:39:50,695 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-13 03:39:50,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 03:39:50,696 INFO L85 PathProgramCache]: Analyzing trace with hash -819034451, now seen corresponding path program 1 times [2022-12-13 03:39:50,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 03:39:50,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852141406] [2022-12-13 03:39:50,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 03:39:50,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 03:39:50,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 03:39:50,809 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 03:39:50,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 03:39:50,810 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852141406] [2022-12-13 03:39:50,810 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [852141406] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 03:39:50,810 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 03:39:50,810 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 03:39:50,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686775921] [2022-12-13 03:39:50,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 03:39:50,811 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 03:39:50,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 03:39:50,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 03:39:50,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 03:39:50,811 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 12 [2022-12-13 03:39:50,811 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 18 places, 12 transitions, 69 flow. Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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 03:39:50,811 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 03:39:50,811 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 12 [2022-12-13 03:39:50,812 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 03:39:50,847 INFO L130 PetriNetUnfolder]: 0/13 cut-off events. [2022-12-13 03:39:50,847 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-12-13 03:39:50,847 INFO L83 FinitePrefix]: Finished finitePrefix Result has 56 conditions, 13 events. 0/13 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 13 event pairs, 0 based on Foata normal form. 5/16 useless extension candidates. Maximal degree in co-relation 0. Up to 12 conditions per place. [2022-12-13 03:39:50,848 INFO L137 encePairwiseOnDemand]: 3/12 looper letters, 0 selfloop transitions, 0 changer transitions 10/10 dead transitions. [2022-12-13 03:39:50,848 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 21 places, 10 transitions, 77 flow [2022-12-13 03:39:50,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 03:39:50,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-13 03:39:50,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 13 transitions. [2022-12-13 03:39:50,849 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.21666666666666667 [2022-12-13 03:39:50,849 INFO L295 CegarLoopForPetriNet]: 24 programPoint places, -3 predicate places. [2022-12-13 03:39:50,849 INFO L82 GeneralOperation]: Start removeDead. Operand has 21 places, 10 transitions, 77 flow [2022-12-13 03:39:50,849 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 0 places, 0 transitions, 0 flow [2022-12-13 03:39:50,849 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 03:39:50,850 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 0 places, 0 transitions, 0 flow [2022-12-13 03:39:50,850 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 0 places, 0 transitions, 0 flow [2022-12-13 03:39:50,850 INFO L226 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-13 03:39:50,850 INFO L241 LiptonReduction]: Total number of compositions: 0 [2022-12-13 03:39:50,851 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 2 [2022-12-13 03:39:50,851 INFO L495 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2022-12-13 03:39:50,851 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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 03:39:50,853 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-12-13 03:39:50,853 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2022-12-13 03:39:50,853 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2022-12-13 03:39:50,853 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 03:39:50,853 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-12-13 03:39:50,855 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 03:39:50,855 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 03:39:50,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 03:39:50 BasicIcfg [2022-12-13 03:39:50,857 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 03:39:50,858 INFO L158 Benchmark]: Toolchain (without parser) took 3863.72ms. Allocated memory was 202.4MB in the beginning and 316.7MB in the end (delta: 114.3MB). Free memory was 178.2MB in the beginning and 257.9MB in the end (delta: -79.7MB). Peak memory consumption was 35.7MB. Max. memory is 8.0GB. [2022-12-13 03:39:50,858 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 202.4MB. Free memory is still 179.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-13 03:39:50,858 INFO L158 Benchmark]: CACSL2BoogieTranslator took 384.21ms. Allocated memory is still 202.4MB. Free memory was 177.7MB in the beginning and 159.3MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2022-12-13 03:39:50,858 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.40ms. Allocated memory is still 202.4MB. Free memory was 159.3MB in the beginning and 157.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-13 03:39:50,859 INFO L158 Benchmark]: Boogie Preprocessor took 29.03ms. Allocated memory is still 202.4MB. Free memory was 157.2MB in the beginning and 155.7MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-12-13 03:39:50,859 INFO L158 Benchmark]: RCFGBuilder took 335.54ms. Allocated memory is still 202.4MB. Free memory was 155.7MB in the beginning and 143.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-12-13 03:39:50,859 INFO L158 Benchmark]: TraceAbstraction took 3063.58ms. Allocated memory was 202.4MB in the beginning and 316.7MB in the end (delta: 114.3MB). Free memory was 142.0MB in the beginning and 257.9MB in the end (delta: -115.8MB). There was no memory consumed. Max. memory is 8.0GB. [2022-12-13 03:39:50,860 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 202.4MB. Free memory is still 179.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 384.21ms. Allocated memory is still 202.4MB. Free memory was 177.7MB in the beginning and 159.3MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 44.40ms. Allocated memory is still 202.4MB. Free memory was 159.3MB in the beginning and 157.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 29.03ms. Allocated memory is still 202.4MB. Free memory was 157.2MB in the beginning and 155.7MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 335.54ms. Allocated memory is still 202.4MB. Free memory was 155.7MB in the beginning and 143.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 3063.58ms. Allocated memory was 202.4MB in the beginning and 316.7MB in the end (delta: 114.3MB). Free memory was 142.0MB in the beginning and 257.9MB in the end (delta: -115.8MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.1s, 59 PlacesBefore, 24 PlacesAfterwards, 58 TransitionsBefore, 22 TransitionsAfterwards, 392 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 3 ConcurrentSequentialCompositions, 26 TrivialYvCompositions, 18 ConcurrentYvCompositions, 1 ChoiceCompositions, 48 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 576, independent: 539, independent conditional: 539, independent unconditional: 0, dependent: 37, dependent conditional: 37, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 576, independent: 539, independent conditional: 0, independent unconditional: 539, dependent: 37, dependent conditional: 0, dependent unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 576, independent: 539, independent conditional: 0, independent unconditional: 539, dependent: 37, dependent conditional: 0, dependent unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 576, independent: 539, independent conditional: 0, independent unconditional: 539, dependent: 37, dependent conditional: 0, dependent unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 354, independent: 335, independent conditional: 0, independent unconditional: 335, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 354, independent: 316, independent conditional: 0, independent unconditional: 316, dependent: 38, dependent conditional: 0, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 38, independent: 19, independent conditional: 0, independent unconditional: 19, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 61, independent: 16, independent conditional: 0, independent unconditional: 16, dependent: 45, dependent conditional: 0, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 576, independent: 204, independent conditional: 0, independent unconditional: 204, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 354, unknown conditional: 0, unknown unconditional: 354] , Statistics on independence cache: Total cache size (in pairs): 732, Positive cache size: 713, Positive conditional cache size: 0, Positive unconditional cache size: 713, Negative cache size: 19, Negative conditional cache size: 0, Negative unconditional cache size: 19, 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, 18 TransitionsBefore, 18 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: 0.1s, 18 PlacesBefore, 18 PlacesAfterwards, 12 TransitionsBefore, 12 TransitionsAfterwards, 2 CoEnabledTransitionPairs, 2 FixpointIterations, 2 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 2, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 2, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 1, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2, Maximal queried relation: 0 - 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): 1, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1, 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, 79 locations, 3 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 3.0s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 17 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 17 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 53 IncrementalHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 1 mSDtfsCounter, 53 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=69occurred in iteration=1, InterpolantAutomatonStates: 10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 22 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 03:39:50,897 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...