/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/BuchiAutomizerCInline.xml -s ../../../trunk/examples/settings/buchiAutomizer/concurrent-automaton-syntacticLbe.epf -i ../../../trunk/examples/svcomp/weaver/chl-collitem-subst.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-21b0908 [2022-07-22 12:42:06,328 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 12:42:06,331 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 12:42:06,380 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-07-22 12:42:06,394 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 12:42:06,395 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 12:42:06,400 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 12:42:06,401 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 12:42:06,404 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 12:42:06,405 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 12:42:06,410 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 12:42:06,415 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 12:42:06,419 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 12:42:06,421 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 12:42:06,424 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 12:42:06,425 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 12:42:06,429 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 12:42:06,438 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-07-22 12:42:06,455 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 12:42:06,458 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 12:42:06,461 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 12:42:06,468 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/buchiAutomizer/concurrent-automaton-syntacticLbe.epf [2022-07-22 12:42:06,522 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 12:42:06,523 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 12:42:06,523 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 12:42:06,523 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 12:42:06,525 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 12:42:06,525 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 12:42:06,525 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 12:42:06,525 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-22 12:42:06,526 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-22 12:42:06,526 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-22 12:42:06,526 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-22 12:42:06,526 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-22 12:42:06,530 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-22 12:42:06,530 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 12:42:06,531 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 12:42:06,531 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-22 12:42:06,531 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 12:42:06,531 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 12:42:06,532 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 12:42:06,532 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-22 12:42:06,532 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-22 12:42:06,533 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-22 12:42:06,533 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 12:42:06,533 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 12:42:06,533 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-22 12:42:06,534 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 12:42:06,534 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-22 12:42:06,534 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 12:42:06,534 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 12:42:06,535 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 12:42:06,535 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 12:42:06,535 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-07-22 12:42:06,537 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-22 12:42:06,537 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-07-22 12:42:06,934 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 12:42:06,969 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 12:42:06,972 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 12:42:06,973 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 12:42:06,974 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 12:42:06,976 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-collitem-subst.wvr.c [2022-07-22 12:42:07,067 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae0dd4a6c/ba9d31684482457793488f2bbf054099/FLAG63308d0e8 [2022-07-22 12:42:07,699 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 12:42:07,700 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-collitem-subst.wvr.c [2022-07-22 12:42:07,709 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae0dd4a6c/ba9d31684482457793488f2bbf054099/FLAG63308d0e8 [2022-07-22 12:42:08,020 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae0dd4a6c/ba9d31684482457793488f2bbf054099 [2022-07-22 12:42:08,022 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 12:42:08,027 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-07-22 12:42:08,029 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 12:42:08,029 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 12:42:08,033 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 12:42:08,034 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 12:42:08" (1/1) ... [2022-07-22 12:42:08,036 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37d1fa5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:42:08, skipping insertion in model container [2022-07-22 12:42:08,036 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 12:42:08" (1/1) ... [2022-07-22 12:42:08,044 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 12:42:08,065 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 12:42:08,252 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-collitem-subst.wvr.c[3544,3557] [2022-07-22 12:42:08,257 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 12:42:08,271 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 12:42:08,319 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-collitem-subst.wvr.c[3544,3557] [2022-07-22 12:42:08,337 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 12:42:08,354 INFO L208 MainTranslator]: Completed translation [2022-07-22 12:42:08,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:42:08 WrapperNode [2022-07-22 12:42:08,355 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 12:42:08,356 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 12:42:08,356 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 12:42:08,356 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 12:42:08,365 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:42:08" (1/1) ... [2022-07-22 12:42:08,375 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:42:08" (1/1) ... [2022-07-22 12:42:08,425 INFO L137 Inliner]: procedures = 23, calls = 46, calls flagged for inlining = 18, calls inlined = 40, statements flattened = 329 [2022-07-22 12:42:08,426 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 12:42:08,428 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 12:42:08,428 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 12:42:08,428 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 12:42:08,440 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:42:08" (1/1) ... [2022-07-22 12:42:08,441 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:42:08" (1/1) ... [2022-07-22 12:42:08,455 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:42:08" (1/1) ... [2022-07-22 12:42:08,455 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:42:08" (1/1) ... [2022-07-22 12:42:08,485 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:42:08" (1/1) ... [2022-07-22 12:42:08,494 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:42:08" (1/1) ... [2022-07-22 12:42:08,500 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:42:08" (1/1) ... [2022-07-22 12:42:08,506 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 12:42:08,507 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 12:42:08,507 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 12:42:08,507 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 12:42:08,508 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:42:08" (1/1) ... [2022-07-22 12:42:08,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:42:08,536 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:42:08,553 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:42:08,565 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-07-22 12:42:08,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 12:42:08,619 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-07-22 12:42:08,619 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-07-22 12:42:08,620 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-07-22 12:42:08,620 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-07-22 12:42:08,620 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-07-22 12:42:08,620 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-07-22 12:42:08,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 12:42:08,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-22 12:42:08,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-22 12:42:08,621 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-07-22 12:42:08,621 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-07-22 12:42:08,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 12:42:08,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 12:42:08,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-22 12:42:08,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-22 12:42:08,624 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-07-22 12:42:08,736 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 12:42:08,739 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 12:42:09,461 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 12:42:10,148 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 12:42:10,148 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-22 12:42:10,152 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 12:42:10 BoogieIcfgContainer [2022-07-22 12:42:10,152 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 12:42:10,153 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-22 12:42:10,153 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-22 12:42:10,158 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-22 12:42:10,159 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 12:42:10,159 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.07 12:42:08" (1/3) ... [2022-07-22 12:42:10,160 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@40c9ab52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 12:42:10, skipping insertion in model container [2022-07-22 12:42:10,160 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 12:42:10,161 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:42:08" (2/3) ... [2022-07-22 12:42:10,161 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@40c9ab52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 12:42:10, skipping insertion in model container [2022-07-22 12:42:10,162 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 12:42:10,162 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 12:42:10" (3/3) ... [2022-07-22 12:42:10,164 INFO L322 chiAutomizerObserver]: Analyzing ICFG chl-collitem-subst.wvr.c [2022-07-22 12:42:10,369 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-07-22 12:42:10,412 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 128 places, 123 transitions, 270 flow [2022-07-22 12:42:10,488 INFO L129 PetriNetUnfolder]: 2/117 cut-off events. [2022-07-22 12:42:10,488 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-07-22 12:42:10,491 INFO L84 FinitePrefix]: Finished finitePrefix Result has 130 conditions, 117 events. 2/117 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 21 event pairs, 0 based on Foata normal form. 0/115 useless extension candidates. Maximal degree in co-relation 42. Up to 2 conditions per place. [2022-07-22 12:42:10,492 INFO L82 GeneralOperation]: Start removeDead. Operand has 128 places, 123 transitions, 270 flow [2022-07-22 12:42:10,503 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 125 places, 117 transitions, 252 flow [2022-07-22 12:42:10,507 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-07-22 12:42:10,519 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 125 places, 117 transitions, 252 flow [2022-07-22 12:42:10,524 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 125 places, 117 transitions, 252 flow [2022-07-22 12:42:10,525 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 125 places, 117 transitions, 252 flow [2022-07-22 12:42:10,564 INFO L129 PetriNetUnfolder]: 2/117 cut-off events. [2022-07-22 12:42:10,564 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-07-22 12:42:10,565 INFO L84 FinitePrefix]: Finished finitePrefix Result has 130 conditions, 117 events. 2/117 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 22 event pairs, 0 based on Foata normal form. 0/115 useless extension candidates. Maximal degree in co-relation 42. Up to 2 conditions per place. [2022-07-22 12:42:10,566 INFO L116 LiptonReduction]: Number of co-enabled transitions 270 [2022-07-22 12:42:19,082 INFO L131 LiptonReduction]: Checked pairs total: 423 [2022-07-22 12:42:19,083 INFO L133 LiptonReduction]: Total number of compositions: 111 [2022-07-22 12:42:19,104 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2022-07-22 12:42:19,104 INFO L301 stractBuchiCegarLoop]: Hoare is false [2022-07-22 12:42:19,104 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-22 12:42:19,105 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-22 12:42:19,105 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-22 12:42:19,105 INFO L305 stractBuchiCegarLoop]: Difference is false [2022-07-22 12:42:19,105 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-22 12:42:19,105 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-22 12:42:19,107 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states [2022-07-22 12:42:19,144 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-22 12:42:19,145 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-07-22 12:42:19,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.07 12:42:19 BoogieIcfgContainer [2022-07-22 12:42:19,150 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-22 12:42:19,152 INFO L158 Benchmark]: Toolchain (without parser) took 11127.74ms. Allocated memory was 151.0MB in the beginning and 202.4MB in the end (delta: 51.4MB). Free memory was 125.3MB in the beginning and 143.1MB in the end (delta: -17.8MB). Peak memory consumption was 34.0MB. Max. memory is 8.0GB. [2022-07-22 12:42:19,153 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 151.0MB. Free memory was 120.1MB in the beginning and 119.7MB in the end (delta: 435.2kB). There was no memory consumed. Max. memory is 8.0GB. [2022-07-22 12:42:19,154 INFO L158 Benchmark]: CACSL2BoogieTranslator took 326.14ms. Allocated memory is still 151.0MB. Free memory was 125.1MB in the beginning and 114.0MB in the end (delta: 11.2MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-07-22 12:42:19,155 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.88ms. Allocated memory is still 151.0MB. Free memory was 114.0MB in the beginning and 111.1MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-07-22 12:42:19,156 INFO L158 Benchmark]: Boogie Preprocessor took 78.34ms. Allocated memory is still 151.0MB. Free memory was 111.1MB in the beginning and 109.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-07-22 12:42:19,157 INFO L158 Benchmark]: RCFGBuilder took 1645.35ms. Allocated memory is still 151.0MB. Free memory was 109.0MB in the beginning and 55.5MB in the end (delta: 53.5MB). Peak memory consumption was 56.0MB. Max. memory is 8.0GB. [2022-07-22 12:42:19,158 INFO L158 Benchmark]: BuchiAutomizer took 8997.25ms. Allocated memory was 151.0MB in the beginning and 202.4MB in the end (delta: 51.4MB). Free memory was 55.5MB in the beginning and 143.1MB in the end (delta: -87.6MB). There was no memory consumed. Max. memory is 8.0GB. [2022-07-22 12:42:19,162 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 151.0MB. Free memory was 120.1MB in the beginning and 119.7MB in the end (delta: 435.2kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 326.14ms. Allocated memory is still 151.0MB. Free memory was 125.1MB in the beginning and 114.0MB in the end (delta: 11.2MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 70.88ms. Allocated memory is still 151.0MB. Free memory was 114.0MB in the beginning and 111.1MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 78.34ms. Allocated memory is still 151.0MB. Free memory was 111.1MB in the beginning and 109.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 1645.35ms. Allocated memory is still 151.0MB. Free memory was 109.0MB in the beginning and 55.5MB in the end (delta: 53.5MB). Peak memory consumption was 56.0MB. Max. memory is 8.0GB. * BuchiAutomizer took 8997.25ms. Allocated memory was 151.0MB in the beginning and 202.4MB in the end (delta: 51.4MB). Free memory was 55.5MB in the beginning and 143.1MB in the end (delta: -87.6MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition. There is no loop in your program. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 8.7s and 0 iterations. TraceHistogramMax:0. Analysis of lassos took 0.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 8.7s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8.6s, 125 PlacesBefore, 26 PlacesAfterwards, 117 TransitionsBefore, 16 TransitionsAfterwards, 270 CoEnabledTransitionPairs, 8 FixpointIterations, 80 TrivialSequentialCompositions, 18 ConcurrentSequentialCompositions, 11 TrivialYvCompositions, 0 ConcurrentYvCompositions, 2 ChoiceCompositions, 111 TotalNumberOfCompositions, 423 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 423, positive: 423, positive conditional: 0, positive unconditional: 423, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 153, positive: 153, positive conditional: 0, positive unconditional: 153, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 423, positive: 270, positive conditional: 0, positive unconditional: 270, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 153, unknown conditional: 0, unknown unconditional: 153] , Statistics on independence cache: Total cache size (in pairs): 18, Positive cache size: 18, Positive conditional cache size: 0, Positive unconditional cache size: 18, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 RESULT: Ultimate proved your program to be correct! [2022-07-22 12:42:19,215 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...