/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-match-trans.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-0d686a6 [2022-07-26 13:49:41,146 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-26 13:49:41,148 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-26 13:49:41,199 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-07-26 13:49:41,214 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-26 13:49:41,216 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-26 13:49:41,216 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-26 13:49:41,219 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-26 13:49:41,220 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-26 13:49:41,220 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-26 13:49:41,222 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-26 13:49:41,226 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-26 13:49:41,227 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-26 13:49:41,228 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-26 13:49:41,229 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-26 13:49:41,229 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-26 13:49:41,231 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-26 13:49:41,234 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-07-26 13:49:41,239 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-26 13:49:41,240 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-26 13:49:41,241 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-26 13:49:41,242 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 13:49:41,266 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-26 13:49:41,266 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-26 13:49:41,266 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-26 13:49:41,267 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-26 13:49:41,267 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-26 13:49:41,268 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-26 13:49:41,268 INFO L138 SettingsManager]: * Use SBE=true [2022-07-26 13:49:41,268 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-26 13:49:41,268 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-26 13:49:41,268 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-26 13:49:41,269 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-26 13:49:41,269 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-26 13:49:41,269 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-26 13:49:41,269 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-26 13:49:41,269 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-26 13:49:41,269 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-26 13:49:41,269 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-26 13:49:41,269 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-26 13:49:41,269 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-26 13:49:41,269 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-26 13:49:41,269 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-26 13:49:41,270 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-26 13:49:41,270 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-26 13:49:41,270 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-26 13:49:41,270 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-26 13:49:41,270 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-26 13:49:41,270 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-26 13:49:41,270 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-26 13:49:41,270 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-26 13:49:41,271 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-26 13:49:41,271 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-26 13:49:41,271 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-26 13:49:41,271 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-07-26 13:49:41,465 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-26 13:49:41,482 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-26 13:49:41,484 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-26 13:49:41,485 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-26 13:49:41,494 INFO L275 PluginConnector]: CDTParser initialized [2022-07-26 13:49:41,495 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-match-trans.wvr.c [2022-07-26 13:49:41,549 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c8c56fbb/af75e1e83dd945c9a3894a4860826d0a/FLAGdaed7e0b3 [2022-07-26 13:49:41,876 INFO L306 CDTParser]: Found 1 translation units. [2022-07-26 13:49:41,877 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-match-trans.wvr.c [2022-07-26 13:49:41,882 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c8c56fbb/af75e1e83dd945c9a3894a4860826d0a/FLAGdaed7e0b3 [2022-07-26 13:49:42,308 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c8c56fbb/af75e1e83dd945c9a3894a4860826d0a [2022-07-26 13:49:42,310 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-26 13:49:42,311 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-07-26 13:49:42,312 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-26 13:49:42,312 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-26 13:49:42,318 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-26 13:49:42,318 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.07 01:49:42" (1/1) ... [2022-07-26 13:49:42,319 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c1d86c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:49:42, skipping insertion in model container [2022-07-26 13:49:42,319 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.07 01:49:42" (1/1) ... [2022-07-26 13:49:42,326 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-26 13:49:42,346 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-26 13:49:42,532 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-match-trans.wvr.c[2954,2967] [2022-07-26 13:49:42,540 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-26 13:49:42,548 INFO L203 MainTranslator]: Completed pre-run [2022-07-26 13:49:42,570 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-match-trans.wvr.c[2954,2967] [2022-07-26 13:49:42,571 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-26 13:49:42,586 INFO L208 MainTranslator]: Completed translation [2022-07-26 13:49:42,587 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:49:42 WrapperNode [2022-07-26 13:49:42,587 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-26 13:49:42,588 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-26 13:49:42,588 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-26 13:49:42,588 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-26 13:49:42,594 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:49:42" (1/1) ... [2022-07-26 13:49:42,600 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:49:42" (1/1) ... [2022-07-26 13:49:42,640 INFO L137 Inliner]: procedures = 23, calls = 33, calls flagged for inlining = 11, calls inlined = 21, statements flattened = 235 [2022-07-26 13:49:42,640 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-26 13:49:42,641 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-26 13:49:42,641 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-26 13:49:42,641 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-26 13:49:42,646 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:49:42" (1/1) ... [2022-07-26 13:49:42,646 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:49:42" (1/1) ... [2022-07-26 13:49:42,649 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:49:42" (1/1) ... [2022-07-26 13:49:42,649 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:49:42" (1/1) ... [2022-07-26 13:49:42,653 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:49:42" (1/1) ... [2022-07-26 13:49:42,679 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:49:42" (1/1) ... [2022-07-26 13:49:42,681 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:49:42" (1/1) ... [2022-07-26 13:49:42,683 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-26 13:49:42,683 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-26 13:49:42,684 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-26 13:49:42,684 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-26 13:49:42,685 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:49:42" (1/1) ... [2022-07-26 13:49:42,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:49:42,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:49:42,709 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 13:49:42,717 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 13:49:42,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-26 13:49:42,772 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-07-26 13:49:42,772 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-07-26 13:49:42,772 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-07-26 13:49:42,772 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-07-26 13:49:42,772 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-07-26 13:49:42,773 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-07-26 13:49:42,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-26 13:49:42,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-26 13:49:42,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-26 13:49:42,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-26 13:49:42,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-26 13:49:42,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-26 13:49:42,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-26 13:49:42,775 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 13:49:42,907 INFO L234 CfgBuilder]: Building ICFG [2022-07-26 13:49:42,909 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-26 13:49:43,278 INFO L275 CfgBuilder]: Performing block encoding [2022-07-26 13:49:43,287 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-26 13:49:43,287 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-26 13:49:43,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.07 01:49:43 BoogieIcfgContainer [2022-07-26 13:49:43,289 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-26 13:49:43,289 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-26 13:49:43,289 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-26 13:49:43,292 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-26 13:49:43,293 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-26 13:49:43,293 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.07 01:49:42" (1/3) ... [2022-07-26 13:49:43,293 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@600ea5fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.07 01:49:43, skipping insertion in model container [2022-07-26 13:49:43,293 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-26 13:49:43,294 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:49:42" (2/3) ... [2022-07-26 13:49:43,294 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@600ea5fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.07 01:49:43, skipping insertion in model container [2022-07-26 13:49:43,294 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-26 13:49:43,294 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.07 01:49:43" (3/3) ... [2022-07-26 13:49:43,295 INFO L322 chiAutomizerObserver]: Analyzing ICFG chl-match-trans.wvr.c [2022-07-26 13:49:43,370 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-07-26 13:49:43,394 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 310 places, 328 transitions, 680 flow [2022-07-26 13:49:43,513 INFO L129 PetriNetUnfolder]: 25/322 cut-off events. [2022-07-26 13:49:43,514 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-07-26 13:49:43,528 INFO L84 FinitePrefix]: Finished finitePrefix Result has 335 conditions, 322 events. 25/322 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 623 event pairs, 0 based on Foata normal form. 0/297 useless extension candidates. Maximal degree in co-relation 250. Up to 2 conditions per place. [2022-07-26 13:49:43,528 INFO L82 GeneralOperation]: Start removeDead. Operand has 310 places, 328 transitions, 680 flow [2022-07-26 13:49:43,541 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 307 places, 322 transitions, 662 flow [2022-07-26 13:49:43,543 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-07-26 13:49:43,554 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 307 places, 322 transitions, 662 flow [2022-07-26 13:49:43,559 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 307 places, 322 transitions, 662 flow [2022-07-26 13:49:43,560 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 307 places, 322 transitions, 662 flow [2022-07-26 13:49:43,638 INFO L129 PetriNetUnfolder]: 25/322 cut-off events. [2022-07-26 13:49:43,638 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-07-26 13:49:43,643 INFO L84 FinitePrefix]: Finished finitePrefix Result has 335 conditions, 322 events. 25/322 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 630 event pairs, 0 based on Foata normal form. 0/297 useless extension candidates. Maximal degree in co-relation 250. Up to 2 conditions per place. [2022-07-26 13:49:43,660 INFO L116 LiptonReduction]: Number of co-enabled transitions 41118 [2022-07-26 13:49:52,854 INFO L131 LiptonReduction]: Checked pairs total: 36549 [2022-07-26 13:49:52,855 INFO L133 LiptonReduction]: Total number of compositions: 415 [2022-07-26 13:49:52,871 INFO L301 stractBuchiCegarLoop]: Interprodecural is true [2022-07-26 13:49:52,871 INFO L302 stractBuchiCegarLoop]: Hoare is false [2022-07-26 13:49:52,871 INFO L303 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-26 13:49:52,871 INFO L304 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-26 13:49:52,871 INFO L305 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-26 13:49:52,872 INFO L306 stractBuchiCegarLoop]: Difference is false [2022-07-26 13:49:52,872 INFO L307 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-26 13:49:52,872 INFO L311 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-26 13:49:52,873 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states [2022-07-26 13:49:52,898 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-26 13:49:52,898 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-07-26 13:49:52,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.07 01:49:52 BoogieIcfgContainer [2022-07-26 13:49:52,902 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-26 13:49:52,903 INFO L158 Benchmark]: Toolchain (without parser) took 10591.52ms. Allocated memory was 181.4MB in the beginning and 272.6MB in the end (delta: 91.2MB). Free memory was 154.2MB in the beginning and 211.6MB in the end (delta: -57.4MB). Peak memory consumption was 33.7MB. Max. memory is 8.0GB. [2022-07-26 13:49:52,903 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 181.4MB. Free memory is still 143.6MB. There was no memory consumed. Max. memory is 8.0GB. [2022-07-26 13:49:52,904 INFO L158 Benchmark]: CACSL2BoogieTranslator took 275.31ms. Allocated memory is still 181.4MB. Free memory was 154.0MB in the beginning and 154.1MB in the end (delta: -41.2kB). Peak memory consumption was 9.0MB. Max. memory is 8.0GB. [2022-07-26 13:49:52,904 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.25ms. Allocated memory is still 181.4MB. Free memory was 154.1MB in the beginning and 151.7MB in the end (delta: 2.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-07-26 13:49:52,904 INFO L158 Benchmark]: Boogie Preprocessor took 42.39ms. Allocated memory is still 181.4MB. Free memory was 151.7MB in the beginning and 150.1MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-07-26 13:49:52,905 INFO L158 Benchmark]: RCFGBuilder took 605.18ms. Allocated memory is still 181.4MB. Free memory was 149.8MB in the beginning and 130.2MB in the end (delta: 19.6MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2022-07-26 13:49:52,905 INFO L158 Benchmark]: BuchiAutomizer took 9612.72ms. Allocated memory was 181.4MB in the beginning and 272.6MB in the end (delta: 91.2MB). Free memory was 130.0MB in the beginning and 211.6MB in the end (delta: -81.7MB). Peak memory consumption was 11.1MB. Max. memory is 8.0GB. [2022-07-26 13:49:52,924 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 181.4MB. Free memory is still 143.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 275.31ms. Allocated memory is still 181.4MB. Free memory was 154.0MB in the beginning and 154.1MB in the end (delta: -41.2kB). Peak memory consumption was 9.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 52.25ms. Allocated memory is still 181.4MB. Free memory was 154.1MB in the beginning and 151.7MB in the end (delta: 2.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 42.39ms. Allocated memory is still 181.4MB. Free memory was 151.7MB in the beginning and 150.1MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 605.18ms. Allocated memory is still 181.4MB. Free memory was 149.8MB in the beginning and 130.2MB in the end (delta: 19.6MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * BuchiAutomizer took 9612.72ms. Allocated memory was 181.4MB in the beginning and 272.6MB in the end (delta: 91.2MB). Free memory was 130.0MB in the beginning and 211.6MB in the end (delta: -81.7MB). Peak memory consumption was 11.1MB. 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 9.5s 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: 9.4s - 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: 9.3s, 307 PlacesBefore, 26 PlacesAfterwards, 322 TransitionsBefore, 16 TransitionsAfterwards, 41118 CoEnabledTransitionPairs, 9 FixpointIterations, 64 TrivialSequentialCompositions, 241 ConcurrentSequentialCompositions, 6 TrivialYvCompositions, 79 ConcurrentYvCompositions, 25 ChoiceCompositions, 415 TotalNumberOfCompositions, 36549 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 36549, positive: 36549, positive conditional: 0, positive unconditional: 36549, 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: 30913, positive: 30913, positive conditional: 0, positive unconditional: 30913, 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: 30913, positive: 30913, positive conditional: 0, positive unconditional: 30913, 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: 36549, positive: 5636, positive conditional: 0, positive unconditional: 5636, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 30913, unknown conditional: 0, unknown unconditional: 30913] , Statistics on independence cache: Total cache size (in pairs): 30, Positive cache size: 30, Positive conditional cache size: 0, Positive unconditional cache size: 30, 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 13:49:52,955 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...