/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/default/automizer/svcomp-Termination-32bit-Automizer_Default.epf --buchiautomizer.fairness.type.for.concurrent.programs FAIRNESS_LAZY -i ../../../trunk/examples/svcomp/weaver/chl-nzb-file-symm.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.me.fairness-42053ae-m [2023-09-08 14:57:39,242 INFO L172 SettingsManager]: Resetting all preferences to default values... [2023-09-08 14:57:39,301 INFO L100 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Termination-32bit-Automizer_Default.epf [2023-09-08 14:57:39,323 INFO L114 SettingsManager]: Preferences different from defaults after loading the file: [2023-09-08 14:57:39,324 INFO L135 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-09-08 14:57:39,324 INFO L137 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-09-08 14:57:39,325 INFO L135 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-09-08 14:57:39,325 INFO L137 SettingsManager]: * Create parallel compositions if possible=false [2023-09-08 14:57:39,326 INFO L137 SettingsManager]: * Use SBE=true [2023-09-08 14:57:39,329 INFO L135 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-09-08 14:57:39,329 INFO L137 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-09-08 14:57:39,329 INFO L137 SettingsManager]: * Use old map elimination=false [2023-09-08 14:57:39,329 INFO L137 SettingsManager]: * Use external solver (rank synthesis)=false [2023-09-08 14:57:39,330 INFO L137 SettingsManager]: * Use only trivial implications for array writes=true [2023-09-08 14:57:39,330 INFO L137 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-09-08 14:57:39,331 INFO L135 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-09-08 14:57:39,331 INFO L137 SettingsManager]: * sizeof long=4 [2023-09-08 14:57:39,331 INFO L137 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-09-08 14:57:39,331 INFO L137 SettingsManager]: * Overapproximate operations on floating types=true [2023-09-08 14:57:39,331 INFO L137 SettingsManager]: * sizeof POINTER=4 [2023-09-08 14:57:39,331 INFO L137 SettingsManager]: * Check division by zero=IGNORE [2023-09-08 14:57:39,332 INFO L137 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-09-08 14:57:39,333 INFO L137 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-09-08 14:57:39,333 INFO L137 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-09-08 14:57:39,333 INFO L137 SettingsManager]: * sizeof long double=12 [2023-09-08 14:57:39,333 INFO L137 SettingsManager]: * Check if freed pointer was valid=false [2023-09-08 14:57:39,333 INFO L137 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-09-08 14:57:39,333 INFO L137 SettingsManager]: * Use constant arrays=true [2023-09-08 14:57:39,333 INFO L137 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-09-08 14:57:39,334 INFO L135 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-09-08 14:57:39,334 INFO L137 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-09-08 14:57:39,335 INFO L135 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-09-08 14:57:39,335 INFO L137 SettingsManager]: * Trace refinement strategy=CAMEL [2023-09-08 14:57:39,335 INFO L137 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-09-08 14:57:39,336 INFO L135 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-09-08 14:57:39,336 INFO L137 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Fairness type for concurrent programs -> FAIRNESS_LAZY [2023-09-08 14:57:39,523 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-09-08 14:57:39,538 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-09-08 14:57:39,540 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-09-08 14:57:39,541 INFO L270 PluginConnector]: Initializing CDTParser... [2023-09-08 14:57:39,541 INFO L274 PluginConnector]: CDTParser initialized [2023-09-08 14:57:39,542 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-nzb-file-symm.wvr.c [2023-09-08 14:57:40,679 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-09-08 14:57:40,861 INFO L384 CDTParser]: Found 1 translation units. [2023-09-08 14:57:40,861 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-nzb-file-symm.wvr.c [2023-09-08 14:57:40,868 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fea8c33c9/e11c2571d0114fa096c2a79884fdc184/FLAG2c269dc67 [2023-09-08 14:57:40,879 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fea8c33c9/e11c2571d0114fa096c2a79884fdc184 [2023-09-08 14:57:40,881 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-09-08 14:57:40,883 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-09-08 14:57:40,885 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-09-08 14:57:40,885 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-09-08 14:57:40,887 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-09-08 14:57:40,888 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 02:57:40" (1/1) ... [2023-09-08 14:57:40,889 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6be1faee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:57:40, skipping insertion in model container [2023-09-08 14:57:40,889 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 02:57:40" (1/1) ... [2023-09-08 14:57:40,894 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-09-08 14:57:40,920 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-09-08 14:57:41,065 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-nzb-file-symm.wvr.c[4929,4942] [2023-09-08 14:57:41,069 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-08 14:57:41,078 INFO L203 MainTranslator]: Completed pre-run [2023-09-08 14:57:41,098 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-nzb-file-symm.wvr.c[4929,4942] [2023-09-08 14:57:41,100 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-08 14:57:41,109 INFO L208 MainTranslator]: Completed translation [2023-09-08 14:57:41,110 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:57:41 WrapperNode [2023-09-08 14:57:41,110 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-09-08 14:57:41,111 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-09-08 14:57:41,111 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-09-08 14:57:41,111 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-09-08 14:57:41,115 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:57:41" (1/1) ... [2023-09-08 14:57:41,121 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:57:41" (1/1) ... [2023-09-08 14:57:41,150 INFO L138 Inliner]: procedures = 25, calls = 55, calls flagged for inlining = 21, calls inlined = 29, statements flattened = 394 [2023-09-08 14:57:41,151 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-09-08 14:57:41,151 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-09-08 14:57:41,151 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-09-08 14:57:41,151 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-09-08 14:57:41,161 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:57:41" (1/1) ... [2023-09-08 14:57:41,161 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:57:41" (1/1) ... [2023-09-08 14:57:41,165 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:57:41" (1/1) ... [2023-09-08 14:57:41,165 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:57:41" (1/1) ... [2023-09-08 14:57:41,173 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:57:41" (1/1) ... [2023-09-08 14:57:41,175 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:57:41" (1/1) ... [2023-09-08 14:57:41,193 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:57:41" (1/1) ... [2023-09-08 14:57:41,194 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:57:41" (1/1) ... [2023-09-08 14:57:41,197 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-09-08 14:57:41,198 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-09-08 14:57:41,198 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-09-08 14:57:41,198 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-09-08 14:57:41,199 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:57:41" (1/1) ... [2023-09-08 14:57:41,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-09-08 14:57:41,215 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 14:57:41,253 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) [2023-09-08 14:57:41,269 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 [2023-09-08 14:57:41,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-09-08 14:57:41,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-09-08 14:57:41,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-09-08 14:57:41,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-09-08 14:57:41,298 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-09-08 14:57:41,298 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-09-08 14:57:41,298 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-09-08 14:57:41,298 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-09-08 14:57:41,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-09-08 14:57:41,299 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-09-08 14:57:41,299 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-09-08 14:57:41,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-09-08 14:57:41,299 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-09-08 14:57:41,300 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-09-08 14:57:41,413 INFO L236 CfgBuilder]: Building ICFG [2023-09-08 14:57:41,414 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-09-08 14:57:41,847 INFO L277 CfgBuilder]: Performing block encoding [2023-09-08 14:57:41,863 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-09-08 14:57:41,863 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-09-08 14:57:41,865 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 02:57:41 BoogieIcfgContainer [2023-09-08 14:57:41,865 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-09-08 14:57:41,866 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-09-08 14:57:41,866 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-09-08 14:57:41,869 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-09-08 14:57:41,869 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-09-08 14:57:41,869 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 08.09 02:57:40" (1/3) ... [2023-09-08 14:57:41,870 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@248f6eaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.09 02:57:41, skipping insertion in model container [2023-09-08 14:57:41,870 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-09-08 14:57:41,870 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 02:57:41" (2/3) ... [2023-09-08 14:57:41,870 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@248f6eaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.09 02:57:41, skipping insertion in model container [2023-09-08 14:57:41,870 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-09-08 14:57:41,870 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 02:57:41" (3/3) ... [2023-09-08 14:57:41,872 INFO L332 chiAutomizerObserver]: Analyzing ICFG chl-nzb-file-symm.wvr.c [2023-09-08 14:57:41,999 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-09-08 14:57:42,032 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 429 places, 473 transitions, 962 flow [2023-09-08 14:57:42,179 INFO L124 PetriNetUnfolderBase]: 49/469 cut-off events. [2023-09-08 14:57:42,179 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-09-08 14:57:42,191 INFO L83 FinitePrefix]: Finished finitePrefix Result has 478 conditions, 469 events. 49/469 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1333 event pairs, 0 based on Foata normal form. 0/420 useless extension candidates. Maximal degree in co-relation 319. Up to 2 conditions per place. [2023-09-08 14:57:42,191 INFO L82 GeneralOperation]: Start removeDead. Operand has 429 places, 473 transitions, 962 flow [2023-09-08 14:57:42,232 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 427 places, 469 transitions, 950 flow [2023-09-08 14:57:42,242 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-09-08 14:57:42,242 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-09-08 14:57:42,242 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-09-08 14:57:42,242 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-09-08 14:57:42,242 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-09-08 14:57:42,242 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-09-08 14:57:42,242 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-09-08 14:57:42,242 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-09-08 14:57:42,243 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand null [2023-09-08 15:00:55,227 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 10222 [2023-09-08 15:00:55,228 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-09-08 15:00:55,228 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-09-08 15:00:55,258 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-08 15:00:55,258 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2023-09-08 15:00:55,258 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-09-08 15:00:55,258 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand null Received shutdown request... [2023-09-08 15:02:09,696 WARN L341 stractBuchiCegarLoop]: Verification cancelled [2023-09-08 15:02:09,699 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 08.09 03:02:09 BoogieIcfgContainer [2023-09-08 15:02:09,699 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-09-08 15:02:09,701 INFO L158 Benchmark]: Toolchain (without parser) took 268817.40ms. Allocated memory was 381.7MB in the beginning and 5.9GB in the end (delta: 5.6GB). Free memory was 335.6MB in the beginning and 3.4GB in the end (delta: -3.1GB). Peak memory consumption was 4.1GB. Max. memory is 8.0GB. [2023-09-08 15:02:09,701 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 191.9MB. Free memory is still 140.2MB. There was no memory consumed. Max. memory is 8.0GB. [2023-09-08 15:02:09,702 INFO L158 Benchmark]: CACSL2BoogieTranslator took 225.20ms. Allocated memory is still 381.7MB. Free memory was 335.6MB in the beginning and 322.0MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2023-09-08 15:02:09,702 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.11ms. Allocated memory is still 381.7MB. Free memory was 322.0MB in the beginning and 318.8MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-09-08 15:02:09,703 INFO L158 Benchmark]: Boogie Preprocessor took 46.14ms. Allocated memory is still 381.7MB. Free memory was 318.8MB in the beginning and 316.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-09-08 15:02:09,703 INFO L158 Benchmark]: RCFGBuilder took 667.45ms. Allocated memory is still 381.7MB. Free memory was 316.2MB in the beginning and 281.6MB in the end (delta: 34.6MB). Peak memory consumption was 34.6MB. Max. memory is 8.0GB. [2023-09-08 15:02:09,704 INFO L158 Benchmark]: BuchiAutomizer took 267833.34ms. Allocated memory was 381.7MB in the beginning and 5.9GB in the end (delta: 5.6GB). Free memory was 281.6MB in the beginning and 3.4GB in the end (delta: -3.2GB). Peak memory consumption was 4.1GB. Max. memory is 8.0GB. [2023-09-08 15:02:09,706 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-09-08 15:02:09,711 INFO L338 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 191.9MB. Free memory is still 140.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 225.20ms. Allocated memory is still 381.7MB. Free memory was 335.6MB in the beginning and 322.0MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 40.11ms. Allocated memory is still 381.7MB. Free memory was 322.0MB in the beginning and 318.8MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 46.14ms. Allocated memory is still 381.7MB. Free memory was 318.8MB in the beginning and 316.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 667.45ms. Allocated memory is still 381.7MB. Free memory was 316.2MB in the beginning and 281.6MB in the end (delta: 34.6MB). Peak memory consumption was 34.6MB. Max. memory is 8.0GB. * BuchiAutomizer took 267833.34ms. Allocated memory was 381.7MB in the beginning and 5.9GB in the end (delta: 5.6GB). Free memory was 281.6MB in the beginning and 3.4GB in the end (delta: -3.2GB). Peak memory consumption was 4.1GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one module whose termination is unknown. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 267.6s and 1 iterations. TraceHistogramMax:1. 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: 0.2s - TimeoutResult: Timeout (de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction) Buchi Automizer is unable to decide termination: Timeout while executing BuchiIsEmpty. RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown