/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/test-easy10.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-0d686a6 [2022-07-26 14:19:59,463 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-26 14:19:59,465 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-26 14:19:59,529 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-26 14:19:59,530 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-26 14:19:59,531 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-26 14:19:59,534 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-26 14:19:59,539 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-26 14:19:59,541 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-26 14:19:59,545 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-26 14:19:59,546 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-26 14:19:59,552 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-26 14:19:59,552 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-26 14:19:59,555 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-26 14:19:59,556 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-26 14:19:59,558 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-26 14:19:59,559 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-26 14:19:59,560 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-26 14:19:59,562 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-26 14:19:59,567 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-26 14:19:59,569 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-26 14:19:59,570 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-26 14:19:59,571 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-26 14:19:59,572 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-26 14:19:59,574 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-26 14:19:59,580 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-07-26 14:19:59,588 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-26 14:19:59,588 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-26 14:19:59,590 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-26 14:19:59,590 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/buchiAutomizer/concurrent-automaton-syntacticLbe.epf [2022-07-26 14:19:59,616 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-26 14:19:59,617 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-26 14:19:59,617 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-26 14:19:59,617 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-26 14:19:59,618 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-26 14:19:59,618 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-26 14:19:59,618 INFO L138 SettingsManager]: * Use SBE=true [2022-07-26 14:19:59,618 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-26 14:19:59,618 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-26 14:19:59,619 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-26 14:19:59,619 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-26 14:19:59,619 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-26 14:19:59,620 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-26 14:19:59,620 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-26 14:19:59,620 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-26 14:19:59,620 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-26 14:19:59,620 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-26 14:19:59,620 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-26 14:19:59,620 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-26 14:19:59,620 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-26 14:19:59,621 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-26 14:19:59,621 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-26 14:19:59,621 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-26 14:19:59,621 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-26 14:19:59,621 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-26 14:19:59,621 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-26 14:19:59,621 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-26 14:19:59,621 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-26 14:19:59,622 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-26 14:19:59,622 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-26 14:19:59,622 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-26 14:19:59,622 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-07-26 14:19:59,623 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-26 14:19:59,623 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-07-26 14:19:59,841 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-26 14:19:59,857 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-26 14:19:59,859 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-26 14:19:59,860 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-26 14:19:59,861 INFO L275 PluginConnector]: CDTParser initialized [2022-07-26 14:19:59,862 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/test-easy10.wvr.c [2022-07-26 14:19:59,940 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e22a36523/1edeeca26aa743fda96a1672ebcff9ca/FLAG7a8c8b028 [2022-07-26 14:20:00,299 INFO L306 CDTParser]: Found 1 translation units. [2022-07-26 14:20:00,300 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-easy10.wvr.c [2022-07-26 14:20:00,306 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e22a36523/1edeeca26aa743fda96a1672ebcff9ca/FLAG7a8c8b028 [2022-07-26 14:20:00,725 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e22a36523/1edeeca26aa743fda96a1672ebcff9ca [2022-07-26 14:20:00,727 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-26 14:20:00,728 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-07-26 14:20:00,729 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-26 14:20:00,729 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-26 14:20:00,732 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-26 14:20:00,733 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.07 02:20:00" (1/1) ... [2022-07-26 14:20:00,734 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@629cd6f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:20:00, skipping insertion in model container [2022-07-26 14:20:00,734 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.07 02:20:00" (1/1) ... [2022-07-26 14:20:00,739 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-26 14:20:00,768 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-26 14:20:00,937 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/test-easy10.wvr.c[3907,3920] [2022-07-26 14:20:00,938 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-26 14:20:00,950 INFO L203 MainTranslator]: Completed pre-run [2022-07-26 14:20:00,973 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/test-easy10.wvr.c[3907,3920] [2022-07-26 14:20:00,974 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-26 14:20:00,984 INFO L208 MainTranslator]: Completed translation [2022-07-26 14:20:00,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:20:00 WrapperNode [2022-07-26 14:20:00,985 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-26 14:20:00,985 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-26 14:20:00,985 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-26 14:20:00,985 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-26 14:20:00,991 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:20:00" (1/1) ... [2022-07-26 14:20:00,998 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:20:00" (1/1) ... [2022-07-26 14:20:01,025 INFO L137 Inliner]: procedures = 23, calls = 84, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 188 [2022-07-26 14:20:01,026 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-26 14:20:01,026 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-26 14:20:01,027 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-26 14:20:01,027 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-26 14:20:01,032 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:20:00" (1/1) ... [2022-07-26 14:20:01,032 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:20:00" (1/1) ... [2022-07-26 14:20:01,035 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:20:00" (1/1) ... [2022-07-26 14:20:01,036 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:20:00" (1/1) ... [2022-07-26 14:20:01,041 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:20:00" (1/1) ... [2022-07-26 14:20:01,043 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:20:00" (1/1) ... [2022-07-26 14:20:01,045 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:20:00" (1/1) ... [2022-07-26 14:20:01,047 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-26 14:20:01,048 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-26 14:20:01,048 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-26 14:20:01,048 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-26 14:20:01,049 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:20:00" (1/1) ... [2022-07-26 14:20:01,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:20:01,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:20:01,079 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) [2022-07-26 14:20:01,081 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 [2022-07-26 14:20:01,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-26 14:20:01,109 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-07-26 14:20:01,109 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-07-26 14:20:01,109 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-07-26 14:20:01,109 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-07-26 14:20:01,109 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-07-26 14:20:01,110 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-07-26 14:20:01,110 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-07-26 14:20:01,110 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-07-26 14:20:01,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-26 14:20:01,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-26 14:20:01,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-26 14:20:01,110 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-07-26 14:20:01,111 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-07-26 14:20:01,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-26 14:20:01,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-26 14:20:01,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-26 14:20:01,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-26 14:20:01,112 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-07-26 14:20:01,184 INFO L234 CfgBuilder]: Building ICFG [2022-07-26 14:20:01,186 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-26 14:20:01,389 INFO L275 CfgBuilder]: Performing block encoding [2022-07-26 14:20:01,477 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-26 14:20:01,478 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-26 14:20:01,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.07 02:20:01 BoogieIcfgContainer [2022-07-26 14:20:01,480 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-26 14:20:01,481 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-26 14:20:01,481 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-26 14:20:01,490 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-26 14:20:01,491 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-26 14:20:01,491 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.07 02:20:00" (1/3) ... [2022-07-26 14:20:01,492 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@32adb568 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.07 02:20:01, skipping insertion in model container [2022-07-26 14:20:01,492 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-26 14:20:01,492 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:20:00" (2/3) ... [2022-07-26 14:20:01,493 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@32adb568 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.07 02:20:01, skipping insertion in model container [2022-07-26 14:20:01,493 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-26 14:20:01,493 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.07 02:20:01" (3/3) ... [2022-07-26 14:20:01,494 INFO L322 chiAutomizerObserver]: Analyzing ICFG test-easy10.wvr.c [2022-07-26 14:20:01,597 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-07-26 14:20:01,638 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 148 places, 141 transitions, 314 flow [2022-07-26 14:20:01,683 INFO L129 PetriNetUnfolder]: 2/133 cut-off events. [2022-07-26 14:20:01,684 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-07-26 14:20:01,688 INFO L84 FinitePrefix]: Finished finitePrefix Result has 150 conditions, 133 events. 2/133 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 73 event pairs, 0 based on Foata normal form. 0/131 useless extension candidates. Maximal degree in co-relation 95. Up to 2 conditions per place. [2022-07-26 14:20:01,688 INFO L82 GeneralOperation]: Start removeDead. Operand has 148 places, 141 transitions, 314 flow [2022-07-26 14:20:01,695 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 144 places, 133 transitions, 290 flow [2022-07-26 14:20:01,698 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-07-26 14:20:01,706 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 144 places, 133 transitions, 290 flow [2022-07-26 14:20:01,709 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 144 places, 133 transitions, 290 flow [2022-07-26 14:20:01,709 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 144 places, 133 transitions, 290 flow [2022-07-26 14:20:01,735 INFO L129 PetriNetUnfolder]: 2/133 cut-off events. [2022-07-26 14:20:01,735 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-07-26 14:20:01,736 INFO L84 FinitePrefix]: Finished finitePrefix Result has 150 conditions, 133 events. 2/133 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 76 event pairs, 0 based on Foata normal form. 0/131 useless extension candidates. Maximal degree in co-relation 95. Up to 2 conditions per place. [2022-07-26 14:20:01,738 INFO L116 LiptonReduction]: Number of co-enabled transitions 1824 [2022-07-26 14:20:05,869 INFO L131 LiptonReduction]: Checked pairs total: 11061 [2022-07-26 14:20:05,869 INFO L133 LiptonReduction]: Total number of compositions: 104 [2022-07-26 14:20:05,887 INFO L301 stractBuchiCegarLoop]: Interprodecural is true [2022-07-26 14:20:05,887 INFO L302 stractBuchiCegarLoop]: Hoare is false [2022-07-26 14:20:05,887 INFO L303 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-26 14:20:05,887 INFO L304 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-26 14:20:05,887 INFO L305 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-26 14:20:05,888 INFO L306 stractBuchiCegarLoop]: Difference is false [2022-07-26 14:20:05,888 INFO L307 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-26 14:20:05,888 INFO L311 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-26 14:20:05,889 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states [2022-07-26 14:20:06,453 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-26 14:20:06,453 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-07-26 14:20:06,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.07 02:20:06 BoogieIcfgContainer [2022-07-26 14:20:06,457 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-26 14:20:06,458 INFO L158 Benchmark]: Toolchain (without parser) took 5729.82ms. Allocated memory was 169.9MB in the beginning and 225.4MB in the end (delta: 55.6MB). Free memory was 111.9MB in the beginning and 72.2MB in the end (delta: 39.7MB). Peak memory consumption was 105.9MB. Max. memory is 8.0GB. [2022-07-26 14:20:06,459 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 169.9MB. Free memory is still 127.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-07-26 14:20:06,459 INFO L158 Benchmark]: CACSL2BoogieTranslator took 255.58ms. Allocated memory was 169.9MB in the beginning and 225.4MB in the end (delta: 55.6MB). Free memory was 111.7MB in the beginning and 196.8MB in the end (delta: -85.1MB). Peak memory consumption was 11.3MB. Max. memory is 8.0GB. [2022-07-26 14:20:06,460 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.55ms. Allocated memory is still 225.4MB. Free memory was 196.8MB in the beginning and 194.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-07-26 14:20:06,460 INFO L158 Benchmark]: Boogie Preprocessor took 20.57ms. Allocated memory is still 225.4MB. Free memory was 194.7MB in the beginning and 193.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-07-26 14:20:06,461 INFO L158 Benchmark]: RCFGBuilder took 432.41ms. Allocated memory is still 225.4MB. Free memory was 193.1MB in the beginning and 174.8MB in the end (delta: 18.3MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2022-07-26 14:20:06,461 INFO L158 Benchmark]: BuchiAutomizer took 4976.16ms. Allocated memory is still 225.4MB. Free memory was 174.2MB in the beginning and 72.2MB in the end (delta: 102.0MB). Peak memory consumption was 113.0MB. Max. memory is 8.0GB. [2022-07-26 14:20:06,464 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 169.9MB. Free memory is still 127.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 255.58ms. Allocated memory was 169.9MB in the beginning and 225.4MB in the end (delta: 55.6MB). Free memory was 111.7MB in the beginning and 196.8MB in the end (delta: -85.1MB). Peak memory consumption was 11.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 40.55ms. Allocated memory is still 225.4MB. Free memory was 196.8MB in the beginning and 194.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 20.57ms. Allocated memory is still 225.4MB. Free memory was 194.7MB in the beginning and 193.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 432.41ms. Allocated memory is still 225.4MB. Free memory was 193.1MB in the beginning and 174.8MB in the end (delta: 18.3MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * BuchiAutomizer took 4976.16ms. Allocated memory is still 225.4MB. Free memory was 174.2MB in the beginning and 72.2MB in the end (delta: 102.0MB). Peak memory consumption was 113.0MB. 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 4.8s 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: 4.2s - 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: 4.2s, 144 PlacesBefore, 54 PlacesAfterwards, 133 TransitionsBefore, 41 TransitionsAfterwards, 1824 CoEnabledTransitionPairs, 7 FixpointIterations, 65 TrivialSequentialCompositions, 25 ConcurrentSequentialCompositions, 12 TrivialYvCompositions, 0 ConcurrentYvCompositions, 2 ChoiceCompositions, 104 TotalNumberOfCompositions, 11061 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 7150, positive: 6809, positive conditional: 0, positive unconditional: 6809, negative: 341, negative conditional: 0, negative unconditional: 341, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1004, positive: 983, positive conditional: 0, positive unconditional: 983, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 7150, positive: 5826, positive conditional: 0, positive unconditional: 5826, negative: 320, negative conditional: 0, negative unconditional: 320, unknown: 1004, unknown conditional: 0, unknown unconditional: 1004] , Statistics on independence cache: Total cache size (in pairs): 370, Positive cache size: 355, Positive conditional cache size: 0, Positive unconditional cache size: 355, Negative cache size: 15, Negative conditional cache size: 0, Negative unconditional cache size: 15 RESULT: Ultimate proved your program to be correct! [2022-07-26 14:20:06,499 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...