/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-noLbe.epf -i ../../../trunk/examples/svcomp/weaver/chl-exp-term-symm.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-0d686a6 [2022-07-26 13:28:54,888 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-26 13:28:54,890 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-26 13:28:54,926 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-26 13:28:54,926 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-26 13:28:54,927 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-26 13:28:54,929 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-26 13:28:54,931 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-26 13:28:54,932 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-26 13:28:54,936 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-26 13:28:54,936 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-26 13:28:54,937 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-26 13:28:54,938 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-26 13:28:54,939 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-26 13:28:54,940 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-26 13:28:54,942 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-26 13:28:54,943 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-26 13:28:54,943 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-26 13:28:54,945 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-26 13:28:54,949 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-26 13:28:54,950 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-26 13:28:54,951 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-26 13:28:54,952 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-26 13:28:54,953 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-26 13:28:54,954 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-26 13:28:54,958 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-07-26 13:28:54,961 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-26 13:28:54,962 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-26 13:28:54,962 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-26 13:28:54,963 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-26 13:28:54,963 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-26 13:28:54,963 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-26 13:28:54,964 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-26 13:28:54,964 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-26 13:28:54,964 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-26 13:28:54,965 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-26 13:28:54,966 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-26 13:28:54,966 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/buchiAutomizer/concurrent-automaton-noLbe.epf [2022-07-26 13:28:54,989 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-26 13:28:54,990 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-26 13:28:54,990 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-26 13:28:54,990 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-26 13:28:54,991 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-26 13:28:54,992 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-26 13:28:54,992 INFO L138 SettingsManager]: * Use SBE=true [2022-07-26 13:28:54,992 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-26 13:28:54,992 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-26 13:28:54,992 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-26 13:28:54,992 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-26 13:28:54,993 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-26 13:28:54,993 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-26 13:28:54,993 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-26 13:28:54,993 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-26 13:28:54,993 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-26 13:28:54,993 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-26 13:28:54,993 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-26 13:28:54,993 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-26 13:28:54,993 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-26 13:28:54,993 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-26 13:28:54,993 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-26 13:28:54,993 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-26 13:28:54,994 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-26 13:28:54,994 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-26 13:28:54,994 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-26 13:28:54,994 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-26 13:28:54,994 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-26 13:28:54,994 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-26 13:28:54,994 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-26 13:28:54,994 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-26 13:28:54,995 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-26 13:28:54,996 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-26 13:28:54,996 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-07-26 13:28:55,171 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-26 13:28:55,189 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-26 13:28:55,190 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-26 13:28:55,191 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-26 13:28:55,192 INFO L275 PluginConnector]: CDTParser initialized [2022-07-26 13:28:55,192 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-exp-term-symm.wvr.c [2022-07-26 13:28:55,262 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7f03a9f4/c47ebe5f08e8481fbd741f8d4a25e216/FLAGc5179228d [2022-07-26 13:28:55,567 INFO L306 CDTParser]: Found 1 translation units. [2022-07-26 13:28:55,567 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-exp-term-symm.wvr.c [2022-07-26 13:28:55,574 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7f03a9f4/c47ebe5f08e8481fbd741f8d4a25e216/FLAGc5179228d [2022-07-26 13:28:55,990 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7f03a9f4/c47ebe5f08e8481fbd741f8d4a25e216 [2022-07-26 13:28:55,992 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-26 13:28:55,993 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-07-26 13:28:55,994 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-26 13:28:55,994 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-26 13:28:55,996 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-26 13:28:55,996 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.07 01:28:55" (1/1) ... [2022-07-26 13:28:55,997 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c303cc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:28:55, skipping insertion in model container [2022-07-26 13:28:55,997 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.07 01:28:55" (1/1) ... [2022-07-26 13:28:56,001 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-26 13:28:56,014 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-26 13:28:56,189 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-exp-term-symm.wvr.c[2628,2641] [2022-07-26 13:28:56,196 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-26 13:28:56,207 INFO L203 MainTranslator]: Completed pre-run [2022-07-26 13:28:56,251 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-exp-term-symm.wvr.c[2628,2641] [2022-07-26 13:28:56,253 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-26 13:28:56,274 INFO L208 MainTranslator]: Completed translation [2022-07-26 13:28:56,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:28:56 WrapperNode [2022-07-26 13:28:56,275 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-26 13:28:56,276 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-26 13:28:56,277 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-26 13:28:56,277 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-26 13:28:56,283 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:28:56" (1/1) ... [2022-07-26 13:28:56,299 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:28:56" (1/1) ... [2022-07-26 13:28:56,331 INFO L137 Inliner]: procedures = 22, calls = 25, calls flagged for inlining = 9, calls inlined = 11, statements flattened = 124 [2022-07-26 13:28:56,331 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-26 13:28:56,332 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-26 13:28:56,332 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-26 13:28:56,332 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-26 13:28:56,338 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:28:56" (1/1) ... [2022-07-26 13:28:56,338 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:28:56" (1/1) ... [2022-07-26 13:28:56,350 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:28:56" (1/1) ... [2022-07-26 13:28:56,351 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:28:56" (1/1) ... [2022-07-26 13:28:56,361 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:28:56" (1/1) ... [2022-07-26 13:28:56,363 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:28:56" (1/1) ... [2022-07-26 13:28:56,364 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:28:56" (1/1) ... [2022-07-26 13:28:56,365 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-26 13:28:56,366 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-26 13:28:56,366 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-26 13:28:56,366 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-26 13:28:56,390 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:28:56" (1/1) ... [2022-07-26 13:28:56,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:28:56,404 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:28:56,414 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 13:28:56,423 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 13:28:56,443 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-26 13:28:56,443 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-07-26 13:28:56,443 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-07-26 13:28:56,443 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-07-26 13:28:56,443 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-07-26 13:28:56,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-26 13:28:56,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-26 13:28:56,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-26 13:28:56,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-26 13:28:56,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-26 13:28:56,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-26 13:28:56,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-26 13:28:56,445 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 13:28:56,503 INFO L234 CfgBuilder]: Building ICFG [2022-07-26 13:28:56,504 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-26 13:28:56,716 INFO L275 CfgBuilder]: Performing block encoding [2022-07-26 13:28:56,723 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-26 13:28:56,723 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-26 13:28:56,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.07 01:28:56 BoogieIcfgContainer [2022-07-26 13:28:56,725 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-26 13:28:56,726 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-26 13:28:56,726 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-26 13:28:56,729 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-26 13:28:56,729 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-26 13:28:56,729 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.07 01:28:55" (1/3) ... [2022-07-26 13:28:56,730 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7d7eb0a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.07 01:28:56, skipping insertion in model container [2022-07-26 13:28:56,730 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-26 13:28:56,730 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:28:56" (2/3) ... [2022-07-26 13:28:56,731 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7d7eb0a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.07 01:28:56, skipping insertion in model container [2022-07-26 13:28:56,731 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-26 13:28:56,731 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.07 01:28:56" (3/3) ... [2022-07-26 13:28:56,732 INFO L322 chiAutomizerObserver]: Analyzing ICFG chl-exp-term-symm.wvr.c [2022-07-26 13:28:56,793 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-07-26 13:28:56,815 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 163 places, 171 transitions, 358 flow [2022-07-26 13:28:56,864 INFO L129 PetriNetUnfolder]: 13/167 cut-off events. [2022-07-26 13:28:56,864 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-07-26 13:28:56,878 INFO L84 FinitePrefix]: Finished finitePrefix Result has 176 conditions, 167 events. 13/167 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 280 event pairs, 0 based on Foata normal form. 0/154 useless extension candidates. Maximal degree in co-relation 99. Up to 2 conditions per place. [2022-07-26 13:28:56,878 INFO L82 GeneralOperation]: Start removeDead. Operand has 163 places, 171 transitions, 358 flow [2022-07-26 13:28:56,884 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 161 places, 167 transitions, 346 flow [2022-07-26 13:28:56,898 INFO L301 stractBuchiCegarLoop]: Interprodecural is true [2022-07-26 13:28:56,899 INFO L302 stractBuchiCegarLoop]: Hoare is false [2022-07-26 13:28:56,899 INFO L303 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-26 13:28:56,899 INFO L304 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-26 13:28:56,899 INFO L305 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-26 13:28:56,899 INFO L306 stractBuchiCegarLoop]: Difference is false [2022-07-26 13:28:56,899 INFO L307 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-26 13:28:56,899 INFO L311 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-26 13:28:56,900 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states [2022-07-26 13:28:57,253 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-26 13:28:57,253 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-07-26 13:28:57,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.07 01:28:57 BoogieIcfgContainer [2022-07-26 13:28:57,257 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-26 13:28:57,260 INFO L158 Benchmark]: Toolchain (without parser) took 1265.06ms. Allocated memory was 228.6MB in the beginning and 303.0MB in the end (delta: 74.4MB). Free memory was 175.8MB in the beginning and 215.2MB in the end (delta: -39.4MB). Peak memory consumption was 82.1MB. Max. memory is 8.0GB. [2022-07-26 13:28:57,260 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 228.6MB. Free memory is still 192.0MB. There was no memory consumed. Max. memory is 8.0GB. [2022-07-26 13:28:57,262 INFO L158 Benchmark]: CACSL2BoogieTranslator took 282.18ms. Allocated memory was 228.6MB in the beginning and 303.0MB in the end (delta: 74.4MB). Free memory was 175.6MB in the beginning and 277.9MB in the end (delta: -102.3MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-07-26 13:28:57,263 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.85ms. Allocated memory is still 303.0MB. Free memory was 277.9MB in the beginning and 275.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-07-26 13:28:57,264 INFO L158 Benchmark]: Boogie Preprocessor took 33.20ms. Allocated memory is still 303.0MB. Free memory was 275.8MB in the beginning and 274.3MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-07-26 13:28:57,264 INFO L158 Benchmark]: RCFGBuilder took 359.58ms. Allocated memory is still 303.0MB. Free memory was 274.3MB in the beginning and 259.1MB in the end (delta: 15.2MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2022-07-26 13:28:57,265 INFO L158 Benchmark]: BuchiAutomizer took 531.37ms. Allocated memory is still 303.0MB. Free memory was 259.1MB in the beginning and 215.2MB in the end (delta: 43.9MB). Peak memory consumption was 89.5MB. Max. memory is 8.0GB. [2022-07-26 13:28:57,267 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 228.6MB. Free memory is still 192.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 282.18ms. Allocated memory was 228.6MB in the beginning and 303.0MB in the end (delta: 74.4MB). Free memory was 175.6MB in the beginning and 277.9MB in the end (delta: -102.3MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 54.85ms. Allocated memory is still 303.0MB. Free memory was 277.9MB in the beginning and 275.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 33.20ms. Allocated memory is still 303.0MB. Free memory was 275.8MB in the beginning and 274.3MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 359.58ms. Allocated memory is still 303.0MB. Free memory was 274.3MB in the beginning and 259.1MB in the end (delta: 15.2MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * BuchiAutomizer took 531.37ms. Allocated memory is still 303.0MB. Free memory was 259.1MB in the beginning and 215.2MB in the end (delta: 43.9MB). Peak memory consumption was 89.5MB. 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 0.4s 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: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-07-26 13:28:57,294 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...