/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-semanticLbe.epf -i ../../../trunk/examples/svcomp/weaver/chl-collitem-symm.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-0d686a6 [2022-07-26 13:49:23,825 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-26 13:49:23,827 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-26 13:49:23,864 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-26 13:49:23,865 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-26 13:49:23,866 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-26 13:49:23,869 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-26 13:49:23,873 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-26 13:49:23,875 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-26 13:49:23,878 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-26 13:49:23,879 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-26 13:49:23,880 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-26 13:49:23,880 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-26 13:49:23,882 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-26 13:49:23,883 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-26 13:49:23,884 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-26 13:49:23,885 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-26 13:49:23,886 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-26 13:49:23,889 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-26 13:49:23,893 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-26 13:49:23,894 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-26 13:49:23,895 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-26 13:49:23,896 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-26 13:49:23,896 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-26 13:49:23,897 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-26 13:49:23,902 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-07-26 13:49:23,909 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-26 13:49:23,909 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-26 13:49:23,910 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-26 13:49:23,911 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/buchiAutomizer/concurrent-automaton-semanticLbe.epf [2022-07-26 13:49:23,944 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-26 13:49:23,944 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-26 13:49:23,944 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-26 13:49:23,944 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-26 13:49:23,945 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-26 13:49:23,945 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-26 13:49:23,945 INFO L138 SettingsManager]: * Use SBE=true [2022-07-26 13:49:23,945 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-26 13:49:23,945 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-26 13:49:23,946 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-26 13:49:23,946 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-26 13:49:23,946 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-26 13:49:23,946 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-26 13:49:23,946 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-26 13:49:23,946 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-26 13:49:23,946 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-26 13:49:23,946 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-26 13:49:23,947 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-26 13:49:23,947 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-26 13:49:23,947 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-26 13:49:23,947 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-26 13:49:23,947 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-26 13:49:23,947 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-26 13:49:23,947 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-26 13:49:23,947 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-26 13:49:23,948 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-26 13:49:23,948 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-26 13:49:23,948 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-26 13:49:23,948 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-26 13:49:23,948 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-26 13:49:23,948 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-26 13:49:23,949 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-26 13:49:23,949 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-07-26 13:49:24,165 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-26 13:49:24,194 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-26 13:49:24,196 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-26 13:49:24,197 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-26 13:49:24,197 INFO L275 PluginConnector]: CDTParser initialized [2022-07-26 13:49:24,198 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-collitem-symm.wvr.c [2022-07-26 13:49:24,241 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ed45759e/70d6f69505ca40aaa5f97590e2dc1b43/FLAG297d8ad92 [2022-07-26 13:49:24,629 INFO L306 CDTParser]: Found 1 translation units. [2022-07-26 13:49:24,629 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-collitem-symm.wvr.c [2022-07-26 13:49:24,634 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ed45759e/70d6f69505ca40aaa5f97590e2dc1b43/FLAG297d8ad92 [2022-07-26 13:49:24,649 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ed45759e/70d6f69505ca40aaa5f97590e2dc1b43 [2022-07-26 13:49:24,651 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-26 13:49:24,652 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-07-26 13:49:24,653 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-26 13:49:24,653 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-26 13:49:24,655 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-26 13:49:24,656 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.07 01:49:24" (1/1) ... [2022-07-26 13:49:24,656 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@244527d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:49:24, skipping insertion in model container [2022-07-26 13:49:24,656 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.07 01:49:24" (1/1) ... [2022-07-26 13:49:24,661 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-26 13:49:24,674 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-26 13:49:24,797 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-symm.wvr.c[2986,2999] [2022-07-26 13:49:24,815 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-26 13:49:24,841 INFO L203 MainTranslator]: Completed pre-run [2022-07-26 13:49:24,862 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-symm.wvr.c[2986,2999] [2022-07-26 13:49:24,863 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-26 13:49:24,873 INFO L208 MainTranslator]: Completed translation [2022-07-26 13:49:24,874 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:49:24 WrapperNode [2022-07-26 13:49:24,874 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-26 13:49:24,875 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-26 13:49:24,875 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-26 13:49:24,875 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-26 13:49:24,890 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:49:24" (1/1) ... [2022-07-26 13:49:24,895 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:49:24" (1/1) ... [2022-07-26 13:49:24,928 INFO L137 Inliner]: procedures = 22, calls = 35, calls flagged for inlining = 15, calls inlined = 29, statements flattened = 234 [2022-07-26 13:49:24,928 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-26 13:49:24,929 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-26 13:49:24,929 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-26 13:49:24,929 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-26 13:49:24,936 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:49:24" (1/1) ... [2022-07-26 13:49:24,936 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:49:24" (1/1) ... [2022-07-26 13:49:24,939 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:49:24" (1/1) ... [2022-07-26 13:49:24,939 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:49:24" (1/1) ... [2022-07-26 13:49:24,945 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:49:24" (1/1) ... [2022-07-26 13:49:24,947 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:49:24" (1/1) ... [2022-07-26 13:49:24,948 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:49:24" (1/1) ... [2022-07-26 13:49:24,951 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-26 13:49:24,952 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-26 13:49:24,952 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-26 13:49:24,952 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-26 13:49:24,954 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:49:24" (1/1) ... [2022-07-26 13:49:24,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:49:24,968 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:49:24,979 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 13:49:25,000 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 13:49:25,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-26 13:49:25,013 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-07-26 13:49:25,013 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-07-26 13:49:25,013 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-07-26 13:49:25,014 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-07-26 13:49:25,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-26 13:49:25,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-26 13:49:25,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-26 13:49:25,014 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-07-26 13:49:25,014 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-07-26 13:49:25,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-26 13:49:25,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-26 13:49:25,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-26 13:49:25,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-26 13:49:25,016 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 13:49:25,082 INFO L234 CfgBuilder]: Building ICFG [2022-07-26 13:49:25,084 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-26 13:49:25,340 INFO L275 CfgBuilder]: Performing block encoding [2022-07-26 13:49:25,648 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-26 13:49:25,648 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-26 13:49:25,650 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.07 01:49:25 BoogieIcfgContainer [2022-07-26 13:49:25,650 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-26 13:49:25,652 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-26 13:49:25,652 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-26 13:49:25,654 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-26 13:49:25,654 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-26 13:49:25,655 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.07 01:49:24" (1/3) ... [2022-07-26 13:49:25,655 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@682249aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.07 01:49:25, skipping insertion in model container [2022-07-26 13:49:25,656 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-26 13:49:25,656 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:49:24" (2/3) ... [2022-07-26 13:49:25,656 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@682249aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.07 01:49:25, skipping insertion in model container [2022-07-26 13:49:25,656 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-26 13:49:25,656 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.07 01:49:25" (3/3) ... [2022-07-26 13:49:25,658 INFO L322 chiAutomizerObserver]: Analyzing ICFG chl-collitem-symm.wvr.c [2022-07-26 13:49:25,740 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-07-26 13:49:25,761 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 107 places, 105 transitions, 226 flow [2022-07-26 13:49:25,800 INFO L129 PetriNetUnfolder]: 3/101 cut-off events. [2022-07-26 13:49:25,800 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-07-26 13:49:25,802 INFO L84 FinitePrefix]: Finished finitePrefix Result has 110 conditions, 101 events. 3/101 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 18 event pairs, 0 based on Foata normal form. 0/98 useless extension candidates. Maximal degree in co-relation 41. Up to 2 conditions per place. [2022-07-26 13:49:25,802 INFO L82 GeneralOperation]: Start removeDead. Operand has 107 places, 105 transitions, 226 flow [2022-07-26 13:49:25,810 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 105 places, 101 transitions, 214 flow [2022-07-26 13:49:25,813 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-07-26 13:49:25,823 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 105 places, 101 transitions, 214 flow [2022-07-26 13:49:25,826 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 105 places, 101 transitions, 214 flow [2022-07-26 13:49:25,826 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 105 places, 101 transitions, 214 flow [2022-07-26 13:49:25,847 INFO L129 PetriNetUnfolder]: 3/101 cut-off events. [2022-07-26 13:49:25,848 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-07-26 13:49:25,848 INFO L84 FinitePrefix]: Finished finitePrefix Result has 110 conditions, 101 events. 3/101 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 21 event pairs, 0 based on Foata normal form. 0/98 useless extension candidates. Maximal degree in co-relation 41. Up to 2 conditions per place. [2022-07-26 13:49:25,849 INFO L116 LiptonReduction]: Number of co-enabled transitions 108 [2022-07-26 13:49:30,141 INFO L131 LiptonReduction]: Checked pairs total: 170 [2022-07-26 13:49:30,141 INFO L133 LiptonReduction]: Total number of compositions: 105 [2022-07-26 13:49:30,154 INFO L301 stractBuchiCegarLoop]: Interprodecural is true [2022-07-26 13:49:30,155 INFO L302 stractBuchiCegarLoop]: Hoare is false [2022-07-26 13:49:30,155 INFO L303 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-26 13:49:30,155 INFO L304 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-26 13:49:30,155 INFO L305 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-26 13:49:30,155 INFO L306 stractBuchiCegarLoop]: Difference is false [2022-07-26 13:49:30,155 INFO L307 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-26 13:49:30,155 INFO L311 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-26 13:49:30,163 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states [2022-07-26 13:49:30,178 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-26 13:49:30,179 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-07-26 13:49:30,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.07 01:49:30 BoogieIcfgContainer [2022-07-26 13:49:30,182 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-26 13:49:30,182 INFO L158 Benchmark]: Toolchain (without parser) took 5530.45ms. Allocated memory was 175.1MB in the beginning and 223.3MB in the end (delta: 48.2MB). Free memory was 116.7MB in the beginning and 105.3MB in the end (delta: 11.4MB). Peak memory consumption was 60.2MB. Max. memory is 8.0GB. [2022-07-26 13:49:30,183 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 175.1MB. Free memory is still 133.0MB. There was no memory consumed. Max. memory is 8.0GB. [2022-07-26 13:49:30,185 INFO L158 Benchmark]: CACSL2BoogieTranslator took 221.56ms. Allocated memory was 175.1MB in the beginning and 223.3MB in the end (delta: 48.2MB). Free memory was 116.4MB in the beginning and 195.7MB in the end (delta: -79.2MB). Peak memory consumption was 16.1MB. Max. memory is 8.0GB. [2022-07-26 13:49:30,185 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.48ms. Allocated memory is still 223.3MB. Free memory was 195.7MB in the beginning and 193.1MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-07-26 13:49:30,186 INFO L158 Benchmark]: Boogie Preprocessor took 22.09ms. Allocated memory is still 223.3MB. Free memory was 193.1MB in the beginning and 191.5MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-07-26 13:49:30,186 INFO L158 Benchmark]: RCFGBuilder took 698.51ms. Allocated memory is still 223.3MB. Free memory was 191.5MB in the beginning and 125.9MB in the end (delta: 65.5MB). Peak memory consumption was 66.1MB. Max. memory is 8.0GB. [2022-07-26 13:49:30,186 INFO L158 Benchmark]: BuchiAutomizer took 4530.11ms. Allocated memory is still 223.3MB. Free memory was 125.4MB in the beginning and 105.3MB in the end (delta: 20.1MB). Peak memory consumption was 21.7MB. Max. memory is 8.0GB. [2022-07-26 13:49:30,189 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 175.1MB. Free memory is still 133.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 221.56ms. Allocated memory was 175.1MB in the beginning and 223.3MB in the end (delta: 48.2MB). Free memory was 116.4MB in the beginning and 195.7MB in the end (delta: -79.2MB). Peak memory consumption was 16.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 53.48ms. Allocated memory is still 223.3MB. Free memory was 195.7MB in the beginning and 193.1MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 22.09ms. Allocated memory is still 223.3MB. Free memory was 193.1MB in the beginning and 191.5MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 698.51ms. Allocated memory is still 223.3MB. Free memory was 191.5MB in the beginning and 125.9MB in the end (delta: 65.5MB). Peak memory consumption was 66.1MB. Max. memory is 8.0GB. * BuchiAutomizer took 4530.11ms. Allocated memory is still 223.3MB. Free memory was 125.4MB in the beginning and 105.3MB in the end (delta: 20.1MB). Peak memory consumption was 21.7MB. 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 4.4s 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: 4.3s - 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: 4.3s, 105 PlacesBefore, 18 PlacesAfterwards, 101 TransitionsBefore, 11 TransitionsAfterwards, 108 CoEnabledTransitionPairs, 7 FixpointIterations, 79 TrivialSequentialCompositions, 11 ConcurrentSequentialCompositions, 12 TrivialYvCompositions, 0 ConcurrentYvCompositions, 3 ChoiceCompositions, 105 TotalNumberOfCompositions, 170 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 170, positive: 170, positive conditional: 0, positive unconditional: 170, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 90, positive: 90, positive conditional: 0, positive unconditional: 90, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 90, positive: 90, positive conditional: 0, positive unconditional: 90, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 170, positive: 80, positive conditional: 0, positive unconditional: 80, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 90, unknown conditional: 0, unknown unconditional: 90] , Statistics on independence cache: Total cache size (in pairs): 12, Positive cache size: 12, Positive conditional cache size: 0, Positive unconditional cache size: 12, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 RESULT: Ultimate proved your program to be correct! [2022-07-26 13:49:30,218 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...