/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_42-traces-ex-mini_true.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-06 01:40:56,631 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-06 01:40:56,633 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-06 01:40:56,680 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-06 01:40:56,680 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-06 01:40:56,683 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-06 01:40:56,685 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-06 01:40:56,689 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-06 01:40:56,692 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-06 01:40:56,697 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-06 01:40:56,698 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-06 01:40:56,700 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-06 01:40:56,700 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-06 01:40:56,702 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-06 01:40:56,703 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-06 01:40:56,705 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-06 01:40:56,706 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-06 01:40:56,707 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-06 01:40:56,710 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-06 01:40:56,715 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-06 01:40:56,716 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-06 01:40:56,717 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-06 01:40:56,718 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-06 01:40:56,719 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-06 01:40:56,725 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-12-06 01:40:56,728 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-06 01:40:56,729 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-06 01:40:56,731 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-06 01:40:56,731 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-06 01:40:56,732 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-06 01:40:56,732 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-06 01:40:56,733 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-06 01:40:56,733 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-06 01:40:56,733 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-06 01:40:56,734 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-06 01:40:56,734 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-06 01:40:56,735 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbe.epf [2022-12-06 01:40:56,765 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-06 01:40:56,765 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-06 01:40:56,767 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-06 01:40:56,767 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-06 01:40:56,767 INFO L138 SettingsManager]: * Use SBE=true [2022-12-06 01:40:56,768 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-06 01:40:56,768 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-06 01:40:56,768 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-06 01:40:56,768 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-06 01:40:56,768 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-06 01:40:56,769 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-06 01:40:56,769 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-06 01:40:56,769 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-06 01:40:56,770 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-06 01:40:56,770 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-06 01:40:56,770 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-06 01:40:56,770 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-06 01:40:56,770 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-06 01:40:56,770 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-06 01:40:56,770 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-06 01:40:56,770 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-06 01:40:56,771 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 01:40:56,771 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-06 01:40:56,771 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-06 01:40:56,771 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-06 01:40:56,771 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-06 01:40:56,771 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-06 01:40:56,772 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-06 01:40:56,772 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use on-demand Petri net difference -> true [2022-12-06 01:40:57,085 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-06 01:40:57,106 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-06 01:40:57,109 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-06 01:40:57,109 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-06 01:40:57,110 INFO L275 PluginConnector]: CDTParser initialized [2022-12-06 01:40:57,111 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_42-traces-ex-mini_true.i [2022-12-06 01:40:58,227 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-06 01:40:58,480 INFO L351 CDTParser]: Found 1 translation units. [2022-12-06 01:40:58,481 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_42-traces-ex-mini_true.i [2022-12-06 01:40:58,503 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/352541580/69d003e8ae264e9e8fc3b52a23bc622f/FLAG0ad1d8150 [2022-12-06 01:40:58,518 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/352541580/69d003e8ae264e9e8fc3b52a23bc622f [2022-12-06 01:40:58,520 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-06 01:40:58,521 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-06 01:40:58,522 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-06 01:40:58,522 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-06 01:40:58,524 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-06 01:40:58,525 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:40:58" (1/1) ... [2022-12-06 01:40:58,526 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a39025d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:40:58, skipping insertion in model container [2022-12-06 01:40:58,526 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:40:58" (1/1) ... [2022-12-06 01:40:58,532 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-06 01:40:58,574 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-06 01:40:58,684 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_42-traces-ex-mini_true.i[1091,1104] [2022-12-06 01:40:58,824 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 01:40:58,834 INFO L203 MainTranslator]: Completed pre-run [2022-12-06 01:40:58,845 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_42-traces-ex-mini_true.i[1091,1104] [2022-12-06 01:40:58,879 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 01:40:58,919 INFO L208 MainTranslator]: Completed translation [2022-12-06 01:40:58,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:40:58 WrapperNode [2022-12-06 01:40:58,919 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-06 01:40:58,920 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-06 01:40:58,920 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-06 01:40:58,922 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-06 01:40:58,928 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:40:58" (1/1) ... [2022-12-06 01:40:58,960 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:40:58" (1/1) ... [2022-12-06 01:40:58,981 INFO L138 Inliner]: procedures = 162, calls = 35, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 59 [2022-12-06 01:40:58,982 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-06 01:40:58,983 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-06 01:40:58,983 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-06 01:40:58,983 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-06 01:40:58,990 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:40:58" (1/1) ... [2022-12-06 01:40:58,990 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:40:58" (1/1) ... [2022-12-06 01:40:58,996 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:40:58" (1/1) ... [2022-12-06 01:40:58,996 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:40:58" (1/1) ... [2022-12-06 01:40:59,010 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:40:58" (1/1) ... [2022-12-06 01:40:59,011 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:40:58" (1/1) ... [2022-12-06 01:40:59,012 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:40:58" (1/1) ... [2022-12-06 01:40:59,013 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:40:58" (1/1) ... [2022-12-06 01:40:59,015 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-06 01:40:59,016 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-06 01:40:59,016 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-06 01:40:59,016 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-06 01:40:59,017 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:40:58" (1/1) ... [2022-12-06 01:40:59,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 01:40:59,034 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 01:40:59,048 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-06 01:40:59,070 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-06 01:40:59,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-06 01:40:59,087 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-06 01:40:59,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-06 01:40:59,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-06 01:40:59,087 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-06 01:40:59,088 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-06 01:40:59,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-06 01:40:59,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-06 01:40:59,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-06 01:40:59,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-06 01:40:59,089 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-06 01:40:59,249 INFO L236 CfgBuilder]: Building ICFG [2022-12-06 01:40:59,251 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-06 01:40:59,369 INFO L277 CfgBuilder]: Performing block encoding [2022-12-06 01:40:59,375 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-06 01:40:59,375 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-06 01:40:59,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:40:59 BoogieIcfgContainer [2022-12-06 01:40:59,377 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-06 01:40:59,379 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-06 01:40:59,379 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-06 01:40:59,382 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-06 01:40:59,382 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 01:40:58" (1/3) ... [2022-12-06 01:40:59,382 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d07f4eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 01:40:59, skipping insertion in model container [2022-12-06 01:40:59,382 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:40:58" (2/3) ... [2022-12-06 01:40:59,383 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d07f4eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 01:40:59, skipping insertion in model container [2022-12-06 01:40:59,383 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:40:59" (3/3) ... [2022-12-06 01:40:59,384 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_42-traces-ex-mini_true.i [2022-12-06 01:40:59,399 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-06 01:40:59,399 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-06 01:40:59,399 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-06 01:40:59,459 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-06 01:40:59,497 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 75 places, 72 transitions, 149 flow [2022-12-06 01:40:59,561 INFO L130 PetriNetUnfolder]: 1/71 cut-off events. [2022-12-06 01:40:59,561 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 01:40:59,565 INFO L83 FinitePrefix]: Finished finitePrefix Result has 75 conditions, 71 events. 1/71 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 28 event pairs, 0 based on Foata normal form. 0/69 useless extension candidates. Maximal degree in co-relation 35. Up to 2 conditions per place. [2022-12-06 01:40:59,565 INFO L82 GeneralOperation]: Start removeDead. Operand has 75 places, 72 transitions, 149 flow [2022-12-06 01:40:59,570 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 64 places, 60 transitions, 123 flow [2022-12-06 01:40:59,572 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 01:40:59,602 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 64 places, 60 transitions, 123 flow [2022-12-06 01:40:59,607 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 64 places, 60 transitions, 123 flow [2022-12-06 01:40:59,637 INFO L130 PetriNetUnfolder]: 0/60 cut-off events. [2022-12-06 01:40:59,637 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 01:40:59,637 INFO L83 FinitePrefix]: Finished finitePrefix Result has 64 conditions, 60 events. 0/60 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 21 event pairs, 0 based on Foata normal form. 0/60 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2022-12-06 01:40:59,639 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 64 places, 60 transitions, 123 flow [2022-12-06 01:40:59,640 INFO L188 LiptonReduction]: Number of co-enabled transitions 286 [2022-12-06 01:41:03,628 INFO L203 LiptonReduction]: Total number of compositions: 51 [2022-12-06 01:41:03,641 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-06 01:41:03,646 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;@450f6381, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-06 01:41:03,647 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-06 01:41:03,649 INFO L130 PetriNetUnfolder]: 0/10 cut-off events. [2022-12-06 01:41:03,649 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 01:41:03,650 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 01:41:03,650 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-06 01:41:03,650 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-06 01:41:03,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 01:41:03,654 INFO L85 PathProgramCache]: Analyzing trace with hash -1592927668, now seen corresponding path program 1 times [2022-12-06 01:41:03,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 01:41:03,666 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10535803] [2022-12-06 01:41:03,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 01:41:03,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 01:41:03,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 01:41:03,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 01:41:03,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 01:41:03,941 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10535803] [2022-12-06 01:41:03,942 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10535803] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 01:41:03,942 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 01:41:03,942 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-06 01:41:03,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769666264] [2022-12-06 01:41:03,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 01:41:03,950 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 01:41:03,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 01:41:03,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 01:41:03,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 01:41:03,971 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 2 out of 11 [2022-12-06 01:41:03,972 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 15 places, 11 transitions, 25 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) [2022-12-06 01:41:03,972 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 01:41:03,972 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 2 of 11 [2022-12-06 01:41:03,973 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 01:41:04,011 INFO L130 PetriNetUnfolder]: 9/33 cut-off events. [2022-12-06 01:41:04,011 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 01:41:04,011 INFO L83 FinitePrefix]: Finished finitePrefix Result has 66 conditions, 33 events. 9/33 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 77 event pairs, 6 based on Foata normal form. 3/32 useless extension candidates. Maximal degree in co-relation 57. Up to 20 conditions per place. [2022-12-06 01:41:04,012 INFO L137 encePairwiseOnDemand]: 7/11 looper letters, 8 selfloop transitions, 3 changer transitions 2/14 dead transitions. [2022-12-06 01:41:04,012 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 17 places, 14 transitions, 55 flow [2022-12-06 01:41:04,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 01:41:04,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 01:41:04,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 19 transitions. [2022-12-06 01:41:04,022 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5757575757575758 [2022-12-06 01:41:04,024 INFO L294 CegarLoopForPetriNet]: 15 programPoint places, 2 predicate places. [2022-12-06 01:41:04,025 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 01:41:04,025 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 17 places, 14 transitions, 55 flow [2022-12-06 01:41:04,028 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 17 places, 14 transitions, 55 flow [2022-12-06 01:41:04,028 INFO L188 LiptonReduction]: Number of co-enabled transitions 14 [2022-12-06 01:41:04,100 INFO L203 LiptonReduction]: Total number of compositions: 2 [2022-12-06 01:41:04,103 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 78 [2022-12-06 01:41:04,106 INFO L495 AbstractCegarLoop]: Abstraction has has 16 places, 13 transitions, 53 flow [2022-12-06 01:41:04,107 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) [2022-12-06 01:41:04,107 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 01:41:04,107 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-06 01:41:04,107 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-06 01:41:04,107 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-06 01:41:04,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 01:41:04,108 INFO L85 PathProgramCache]: Analyzing trace with hash -2136117211, now seen corresponding path program 1 times [2022-12-06 01:41:04,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 01:41:04,109 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211348113] [2022-12-06 01:41:04,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 01:41:04,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 01:41:04,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 01:41:04,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 01:41:04,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 01:41:04,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211348113] [2022-12-06 01:41:04,256 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1211348113] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 01:41:04,256 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 01:41:04,256 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-06 01:41:04,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960616413] [2022-12-06 01:41:04,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 01:41:04,257 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-06 01:41:04,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 01:41:04,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-06 01:41:04,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-06 01:41:04,258 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 1 out of 11 [2022-12-06 01:41:04,258 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 16 places, 13 transitions, 53 flow. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 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) [2022-12-06 01:41:04,258 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 01:41:04,258 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1 of 11 [2022-12-06 01:41:04,258 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 01:41:04,281 INFO L130 PetriNetUnfolder]: 3/17 cut-off events. [2022-12-06 01:41:04,281 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 01:41:04,282 INFO L83 FinitePrefix]: Finished finitePrefix Result has 55 conditions, 17 events. 3/17 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 27 event pairs, 1 based on Foata normal form. 4/19 useless extension candidates. Maximal degree in co-relation 43. Up to 13 conditions per place. [2022-12-06 01:41:04,282 INFO L137 encePairwiseOnDemand]: 6/11 looper letters, 0 selfloop transitions, 0 changer transitions 11/11 dead transitions. [2022-12-06 01:41:04,284 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 18 places, 11 transitions, 65 flow [2022-12-06 01:41:04,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-06 01:41:04,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-06 01:41:04,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2022-12-06 01:41:04,290 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.36363636363636365 [2022-12-06 01:41:04,291 INFO L294 CegarLoopForPetriNet]: 15 programPoint places, 3 predicate places. [2022-12-06 01:41:04,291 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 01:41:04,291 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 18 places, 11 transitions, 65 flow [2022-12-06 01:41:04,292 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 18 places, 11 transitions, 65 flow [2022-12-06 01:41:04,292 INFO L188 LiptonReduction]: Number of co-enabled transitions 6 [2022-12-06 01:41:04,401 INFO L203 LiptonReduction]: Total number of compositions: 3 [2022-12-06 01:41:04,402 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 111 [2022-12-06 01:41:04,402 INFO L495 AbstractCegarLoop]: Abstraction has has 13 places, 5 transitions, 29 flow [2022-12-06 01:41:04,403 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 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) [2022-12-06 01:41:04,405 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-12-06 01:41:04,405 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2022-12-06 01:41:04,405 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-06 01:41:04,405 INFO L458 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-06 01:41:04,408 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-06 01:41:04,409 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-06 01:41:04,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 01:41:04 BasicIcfg [2022-12-06 01:41:04,418 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-06 01:41:04,418 INFO L158 Benchmark]: Toolchain (without parser) took 5897.20ms. Allocated memory was 188.7MB in the beginning and 243.3MB in the end (delta: 54.5MB). Free memory was 164.3MB in the beginning and 96.6MB in the end (delta: 67.7MB). Peak memory consumption was 123.0MB. Max. memory is 8.0GB. [2022-12-06 01:41:04,419 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 188.7MB. Free memory is still 165.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-06 01:41:04,419 INFO L158 Benchmark]: CACSL2BoogieTranslator took 397.45ms. Allocated memory is still 188.7MB. Free memory was 164.3MB in the beginning and 145.1MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2022-12-06 01:41:04,419 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.85ms. Allocated memory is still 188.7MB. Free memory was 145.1MB in the beginning and 143.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-06 01:41:04,420 INFO L158 Benchmark]: Boogie Preprocessor took 32.76ms. Allocated memory is still 188.7MB. Free memory was 143.0MB in the beginning and 142.0MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-12-06 01:41:04,420 INFO L158 Benchmark]: RCFGBuilder took 361.15ms. Allocated memory is still 188.7MB. Free memory was 142.0MB in the beginning and 128.3MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-12-06 01:41:04,420 INFO L158 Benchmark]: TraceAbstraction took 5039.08ms. Allocated memory was 188.7MB in the beginning and 243.3MB in the end (delta: 54.5MB). Free memory was 127.8MB in the beginning and 96.6MB in the end (delta: 31.3MB). Peak memory consumption was 86.3MB. Max. memory is 8.0GB. [2022-12-06 01:41:04,422 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 188.7MB. Free memory is still 165.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 397.45ms. Allocated memory is still 188.7MB. Free memory was 164.3MB in the beginning and 145.1MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 61.85ms. Allocated memory is still 188.7MB. Free memory was 145.1MB in the beginning and 143.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 32.76ms. Allocated memory is still 188.7MB. Free memory was 143.0MB in the beginning and 142.0MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 361.15ms. Allocated memory is still 188.7MB. Free memory was 142.0MB in the beginning and 128.3MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 5039.08ms. Allocated memory was 188.7MB in the beginning and 243.3MB in the end (delta: 54.5MB). Free memory was 127.8MB in the beginning and 96.6MB in the end (delta: 31.3MB). Peak memory consumption was 86.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.0s, 64 PlacesBefore, 15 PlacesAfterwards, 60 TransitionsBefore, 11 TransitionsAfterwards, 286 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 34 TrivialYvCompositions, 17 ConcurrentYvCompositions, 0 ChoiceCompositions, 51 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 280, independent: 241, independent conditional: 241, independent unconditional: 0, dependent: 39, dependent conditional: 39, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 280, independent: 241, independent conditional: 0, independent unconditional: 241, dependent: 39, dependent conditional: 0, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 280, independent: 241, independent conditional: 0, independent unconditional: 241, dependent: 39, dependent conditional: 0, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 280, independent: 241, independent conditional: 0, independent unconditional: 241, dependent: 39, dependent conditional: 0, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 203, independent: 178, independent conditional: 0, independent unconditional: 178, dependent: 25, dependent conditional: 0, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 203, independent: 157, independent conditional: 0, independent unconditional: 157, dependent: 46, dependent conditional: 0, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 46, independent: 21, independent conditional: 0, independent unconditional: 21, dependent: 25, dependent conditional: 0, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 110, independent: 45, independent conditional: 0, independent unconditional: 45, dependent: 65, dependent conditional: 0, dependent unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 280, independent: 63, independent conditional: 0, independent unconditional: 63, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 203, unknown conditional: 0, unknown unconditional: 203] , Statistics on independence cache: Total cache size (in pairs): 328, Positive cache size: 303, Positive conditional cache size: 0, Positive unconditional cache size: 303, Negative cache size: 25, Negative conditional cache size: 0, Negative unconditional cache size: 25, 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, 17 PlacesBefore, 16 PlacesAfterwards, 14 TransitionsBefore, 13 TransitionsAfterwards, 14 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 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, 13 PlacesAfterwards, 11 TransitionsBefore, 5 TransitionsAfterwards, 6 CoEnabledTransitionPairs, 3 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 2 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 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 - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 85 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 4.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 27 IncrementalHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 0 mSDtfsCounter, 27 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=65occurred in iteration=2, InterpolantAutomatonStates: 7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 52 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-06 01:41:04,440 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...