/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 NONE -i ../../../trunk/examples/svcomp/weaver/popl20-figure1.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.me.fairness-a3464b2-m [2023-08-18 16:48:57,581 INFO L172 SettingsManager]: Resetting all preferences to default values... [2023-08-18 16:48:57,656 INFO L100 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Termination-32bit-Automizer_Default.epf [2023-08-18 16:48:57,689 INFO L114 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-18 16:48:57,689 INFO L135 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-18 16:48:57,690 INFO L137 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-18 16:48:57,691 INFO L135 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-18 16:48:57,691 INFO L137 SettingsManager]: * Create parallel compositions if possible=false [2023-08-18 16:48:57,691 INFO L137 SettingsManager]: * Use SBE=true [2023-08-18 16:48:57,692 INFO L135 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-08-18 16:48:57,692 INFO L137 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-08-18 16:48:57,692 INFO L137 SettingsManager]: * Use old map elimination=false [2023-08-18 16:48:57,695 INFO L137 SettingsManager]: * Use external solver (rank synthesis)=false [2023-08-18 16:48:57,698 INFO L137 SettingsManager]: * Use only trivial implications for array writes=true [2023-08-18 16:48:57,698 INFO L137 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-08-18 16:48:57,699 INFO L135 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-18 16:48:57,700 INFO L137 SettingsManager]: * sizeof long=4 [2023-08-18 16:48:57,700 INFO L137 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-18 16:48:57,700 INFO L137 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-18 16:48:57,700 INFO L137 SettingsManager]: * sizeof POINTER=4 [2023-08-18 16:48:57,701 INFO L137 SettingsManager]: * Check division by zero=IGNORE [2023-08-18 16:48:57,702 INFO L137 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-08-18 16:48:57,702 INFO L137 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-08-18 16:48:57,702 INFO L137 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-08-18 16:48:57,702 INFO L137 SettingsManager]: * sizeof long double=12 [2023-08-18 16:48:57,703 INFO L137 SettingsManager]: * Check if freed pointer was valid=false [2023-08-18 16:48:57,703 INFO L137 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-08-18 16:48:57,703 INFO L137 SettingsManager]: * Use constant arrays=true [2023-08-18 16:48:57,703 INFO L137 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-08-18 16:48:57,703 INFO L135 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-18 16:48:57,704 INFO L137 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-18 16:48:57,705 INFO L135 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-18 16:48:57,705 INFO L137 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-18 16:48:57,705 INFO L137 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-08-18 16:48:57,706 INFO L135 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-08-18 16:48:57,706 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Fairness type for concurrent programs -> NONE [2023-08-18 16:48:57,934 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-18 16:48:57,952 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-18 16:48:57,955 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-18 16:48:57,955 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-18 16:48:57,956 INFO L274 PluginConnector]: CDTParser initialized [2023-08-18 16:48:57,957 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-figure1.wvr.c [2023-08-18 16:48:59,116 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-18 16:48:59,253 INFO L384 CDTParser]: Found 1 translation units. [2023-08-18 16:48:59,254 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-figure1.wvr.c [2023-08-18 16:48:59,260 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe6f781ac/f4adafa305f549b89de7576283ddb722/FLAGf6a86f933 [2023-08-18 16:48:59,276 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe6f781ac/f4adafa305f549b89de7576283ddb722 [2023-08-18 16:48:59,278 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-18 16:48:59,280 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-18 16:48:59,283 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-18 16:48:59,283 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-18 16:48:59,286 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-18 16:48:59,287 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 04:48:59" (1/1) ... [2023-08-18 16:48:59,288 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@db9b45d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:48:59, skipping insertion in model container [2023-08-18 16:48:59,288 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 04:48:59" (1/1) ... [2023-08-18 16:48:59,294 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-18 16:48:59,311 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-18 16:48:59,417 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/popl20-figure1.wvr.c[1991,2004] [2023-08-18 16:48:59,418 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-18 16:48:59,426 INFO L203 MainTranslator]: Completed pre-run [2023-08-18 16:48:59,441 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/popl20-figure1.wvr.c[1991,2004] [2023-08-18 16:48:59,442 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-18 16:48:59,448 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-18 16:48:59,448 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-18 16:48:59,453 INFO L208 MainTranslator]: Completed translation [2023-08-18 16:48:59,453 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:48:59 WrapperNode [2023-08-18 16:48:59,454 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-18 16:48:59,455 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-18 16:48:59,455 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-18 16:48:59,455 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-18 16:48:59,460 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:48:59" (1/1) ... [2023-08-18 16:48:59,465 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:48:59" (1/1) ... [2023-08-18 16:48:59,481 INFO L138 Inliner]: procedures = 21, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 68 [2023-08-18 16:48:59,482 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-18 16:48:59,482 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-18 16:48:59,482 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-18 16:48:59,482 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-18 16:48:59,488 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:48:59" (1/1) ... [2023-08-18 16:48:59,488 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:48:59" (1/1) ... [2023-08-18 16:48:59,490 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:48:59" (1/1) ... [2023-08-18 16:48:59,490 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:48:59" (1/1) ... [2023-08-18 16:48:59,493 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:48:59" (1/1) ... [2023-08-18 16:48:59,496 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:48:59" (1/1) ... [2023-08-18 16:48:59,497 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:48:59" (1/1) ... [2023-08-18 16:48:59,497 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:48:59" (1/1) ... [2023-08-18 16:48:59,499 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-18 16:48:59,500 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-18 16:48:59,500 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-18 16:48:59,500 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-18 16:48:59,508 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:48:59" (1/1) ... [2023-08-18 16:48:59,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:48:59,526 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:48:59,538 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) [2023-08-18 16:48:59,568 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 [2023-08-18 16:48:59,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-18 16:48:59,583 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-18 16:48:59,584 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-18 16:48:59,584 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-18 16:48:59,584 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-18 16:48:59,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-18 16:48:59,584 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-18 16:48:59,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-18 16:48:59,584 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-18 16:48:59,584 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-18 16:48:59,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-18 16:48:59,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-18 16:48:59,585 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-18 16:48:59,585 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-18 16:48:59,587 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-18 16:48:59,688 INFO L236 CfgBuilder]: Building ICFG [2023-08-18 16:48:59,689 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-18 16:48:59,862 INFO L277 CfgBuilder]: Performing block encoding [2023-08-18 16:48:59,891 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-18 16:48:59,891 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-08-18 16:48:59,893 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 04:48:59 BoogieIcfgContainer [2023-08-18 16:48:59,893 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-18 16:48:59,894 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-08-18 16:48:59,894 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-08-18 16:48:59,897 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-08-18 16:48:59,898 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-08-18 16:48:59,898 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.08 04:48:59" (1/3) ... [2023-08-18 16:48:59,898 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6d1debfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.08 04:48:59, skipping insertion in model container [2023-08-18 16:48:59,899 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-08-18 16:48:59,899 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:48:59" (2/3) ... [2023-08-18 16:48:59,899 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6d1debfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.08 04:48:59, skipping insertion in model container [2023-08-18 16:48:59,899 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-08-18 16:48:59,899 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 04:48:59" (3/3) ... [2023-08-18 16:48:59,900 INFO L332 chiAutomizerObserver]: Analyzing ICFG popl20-figure1.wvr.c [2023-08-18 16:48:59,985 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-18 16:49:00,007 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 72 places, 72 transitions, 160 flow [2023-08-18 16:49:00,035 INFO L124 PetriNetUnfolderBase]: 5/68 cut-off events. [2023-08-18 16:49:00,035 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-08-18 16:49:00,039 INFO L83 FinitePrefix]: Finished finitePrefix Result has 77 conditions, 68 events. 5/68 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 46 event pairs, 0 based on Foata normal form. 0/63 useless extension candidates. Maximal degree in co-relation 37. Up to 2 conditions per place. [2023-08-18 16:49:00,039 INFO L82 GeneralOperation]: Start removeDead. Operand has 72 places, 72 transitions, 160 flow [2023-08-18 16:49:00,043 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 70 places, 68 transitions, 148 flow [2023-08-18 16:49:00,054 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-08-18 16:49:00,054 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-08-18 16:49:00,054 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-08-18 16:49:00,054 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-08-18 16:49:00,054 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-08-18 16:49:00,055 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-08-18 16:49:00,055 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-08-18 16:49:00,055 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-08-18 16:49:00,056 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states [2023-08-18 16:49:00,168 INFO L131 ngComponentsAnalysis]: Automaton has 45 accepting balls. 305 [2023-08-18 16:49:00,168 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-08-18 16:49:00,168 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-08-18 16:49:00,172 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] [2023-08-18 16:49:00,172 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2023-08-18 16:49:00,172 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-08-18 16:49:00,173 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 439 states, but on-demand construction may add more states [2023-08-18 16:49:00,195 INFO L131 ngComponentsAnalysis]: Automaton has 45 accepting balls. 305 [2023-08-18 16:49:00,195 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-08-18 16:49:00,195 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-08-18 16:49:00,196 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] [2023-08-18 16:49:00,196 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2023-08-18 16:49:00,202 INFO L748 eck$LassoCheckResult]: Stem: 75#[$Ultimate##0]don't care [148] $Ultimate##0-->L-1: Formula: (and (= |v_#NULL.base_1| 0) (= |v_#NULL.offset_1| 0)) InVars {} OutVars{#NULL.offset=|v_#NULL.offset_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[#NULL.offset, #NULL.base] 78#[L-1]don't care [151] L-1-->L-1-1: Formula: (= 0 (select |v_#valid_13| 0)) InVars {#valid=|v_#valid_13|} OutVars{#valid=|v_#valid_13|} AuxVars[] AssignedVars[] 80#[L-1-1]don't care [165] L-1-1-->L21: Formula: (< 0 |v_#StackHeapBarrier_3|) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_3|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_3|} AuxVars[] AssignedVars[] 82#[L21]don't care [147] L21-->L21-1: Formula: (and (= (select |v_#length_9| 1) 2) (= (select |v_#valid_14| 1) 1)) InVars {#length=|v_#length_9|, #valid=|v_#valid_14|} OutVars{#length=|v_#length_9|, #valid=|v_#valid_14|} AuxVars[] AssignedVars[] 84#[L21-1]don't care [158] L21-1-->L21-2: Formula: (= (select (select |v_#memory_int_7| 1) 0) 48) InVars {#memory_int=|v_#memory_int_7|} OutVars{#memory_int=|v_#memory_int_7|} AuxVars[] AssignedVars[] 86#[L21-2]don't care [157] L21-2-->L21-3: Formula: (= (select (select |v_#memory_int_8| 1) 1) 0) InVars {#memory_int=|v_#memory_int_8|} OutVars{#memory_int=|v_#memory_int_8|} AuxVars[] AssignedVars[] 88#[L21-3]don't care [136] L21-3-->L21-4: Formula: (and (= 21 (select |v_#length_10| 2)) (= (select |v_#valid_15| 2) 1)) InVars {#length=|v_#length_10|, #valid=|v_#valid_15|} OutVars{#length=|v_#length_10|, #valid=|v_#valid_15|} AuxVars[] AssignedVars[] 90#[L21-4]don't care [178] L21-4-->L38: Formula: (= v_~N~0_6 0) InVars {} OutVars{~N~0=v_~N~0_6} AuxVars[] AssignedVars[~N~0] 92#[L38]don't care [179] L38-->L-1-2: Formula: (= v_~counter~0_7 0) InVars {} OutVars{~counter~0=v_~counter~0_7} AuxVars[] AssignedVars[~counter~0] 94#[L-1-2]don't care [167] L-1-2-->L-1-3: Formula: true InVars {} OutVars{ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_3|} AuxVars[] AssignedVars[ULTIMATE.start_main_#res#1] 96#[L-1-3]don't care [172] L-1-3-->L62: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_4|, ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_2|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_6|, ULTIMATE.start_main_#t~nondet5#1=|v_ULTIMATE.start_main_#t~nondet5#1_4|, ULTIMATE.start_main_#t~nondet7#1=|v_ULTIMATE.start_main_#t~nondet7#1_2|, ULTIMATE.start_main_#t~mem11#1=|v_ULTIMATE.start_main_#t~mem11#1_3|, ULTIMATE.start_main_#t~pre8#1=|v_ULTIMATE.start_main_#t~pre8#1_4|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_6|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_6|, ULTIMATE.start_main_#t~mem10#1=|v_ULTIMATE.start_main_#t~mem10#1_3|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_6|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre6#1, ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_#t~nondet5#1, ULTIMATE.start_main_#t~nondet7#1, ULTIMATE.start_main_#t~mem11#1, ULTIMATE.start_main_#t~pre8#1, ULTIMATE.start_main_~#t1~0#1.base, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~mem10#1, ULTIMATE.start_main_~#t2~0#1.base] 98#[L62]don't care [173] L62-->L62-1: Formula: (and (= (select |v_#valid_2| |v_ULTIMATE.start_main_~#t1~0#1.base_1|) 0) (not (= |v_ULTIMATE.start_main_~#t1~0#1.base_1| 0)) (= (store |v_#length_2| |v_ULTIMATE.start_main_~#t1~0#1.base_1| 4) |v_#length_1|) (< |v_#StackHeapBarrier_1| |v_ULTIMATE.start_main_~#t1~0#1.base_1|) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_1| 0) (= |v_#valid_1| (store |v_#valid_2| |v_ULTIMATE.start_main_~#t1~0#1.base_1| 1))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_2|, #valid=|v_#valid_2|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_1|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_1|, #valid=|v_#valid_1|} AuxVars[] AssignedVars[#valid, #length, ULTIMATE.start_main_~#t1~0#1.base, ULTIMATE.start_main_~#t1~0#1.offset] 100#[L62-1]don't care [162] L62-1-->L62-2: Formula: (and (= (store |v_#length_4| |v_ULTIMATE.start_main_~#t2~0#1.base_1| 4) |v_#length_3|) (= (select |v_#valid_4| |v_ULTIMATE.start_main_~#t2~0#1.base_1|) 0) (< |v_#StackHeapBarrier_2| |v_ULTIMATE.start_main_~#t2~0#1.base_1|) (not (= |v_ULTIMATE.start_main_~#t2~0#1.base_1| 0)) (= (store |v_#valid_4| |v_ULTIMATE.start_main_~#t2~0#1.base_1| 1) |v_#valid_3|) (= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_1|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_2|, #length=|v_#length_4|, #valid=|v_#valid_4|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_2|, #length=|v_#length_3|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_1|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_1|, #valid=|v_#valid_3|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2~0#1.offset, #valid, #length, ULTIMATE.start_main_~#t2~0#1.base] 102#[L62-2]don't care [146] L62-2-->L64: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet5#1=|v_ULTIMATE.start_main_#t~nondet5#1_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet5#1] 104#[L64]don't care [137] L64-->L64-1: Formula: (= |v_ULTIMATE.start_main_#t~nondet5#1_2| v_~N~0_5) InVars {ULTIMATE.start_main_#t~nondet5#1=|v_ULTIMATE.start_main_#t~nondet5#1_2|} OutVars{ULTIMATE.start_main_#t~nondet5#1=|v_ULTIMATE.start_main_#t~nondet5#1_2|, ~N~0=v_~N~0_5} AuxVars[] AssignedVars[~N~0] 106#[L64-1]don't care [166] L64-1-->L67: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet5#1=|v_ULTIMATE.start_main_#t~nondet5#1_3|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet5#1] 108#[L67]don't care [163] L67-->L67-1: Formula: (= |v_ULTIMATE.start_main_#t~pre6#1_1| |v_#pthreadsForks_1|) InVars {#pthreadsForks=|v_#pthreadsForks_1|} OutVars{#pthreadsForks=|v_#pthreadsForks_1|, ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre6#1] 110#[L67-1]don't care [140] L67-1-->L67-2: Formula: (= (+ 1 |v_#pthreadsForks_3|) |v_#pthreadsForks_2|) InVars {#pthreadsForks=|v_#pthreadsForks_3|} OutVars{#pthreadsForks=|v_#pthreadsForks_2|} AuxVars[] AssignedVars[#pthreadsForks] 112#[L67-2]don't care [130] L67-2-->L67-3: Formula: (and (<= (+ |v_ULTIMATE.start_main_~#t1~0#1.offset_2| 4) (select |v_#length_5| |v_ULTIMATE.start_main_~#t1~0#1.base_2|)) (= (select |v_#valid_5| |v_ULTIMATE.start_main_~#t1~0#1.base_2|) 1) (<= 0 |v_ULTIMATE.start_main_~#t1~0#1.offset_2|) (= (store |v_#memory_int_2| |v_ULTIMATE.start_main_~#t1~0#1.base_2| (store (select |v_#memory_int_2| |v_ULTIMATE.start_main_~#t1~0#1.base_2|) |v_ULTIMATE.start_main_~#t1~0#1.offset_2| |v_ULTIMATE.start_main_#t~pre6#1_2|)) |v_#memory_int_1|)) InVars {ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_2|, #valid=|v_#valid_5|, #memory_int=|v_#memory_int_2|, #length=|v_#length_5|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_2|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_2|} OutVars{ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_2|, #valid=|v_#valid_5|, #memory_int=|v_#memory_int_1|, #length=|v_#length_5|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_2|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_2|} AuxVars[] AssignedVars[#memory_int] 114#[L67-3]don't care [206] L67-3-->$Ultimate##0: Formula: (and (= |v_ULTIMATE.start_main_#t~pre6#1_6| v_thread1Thread1of1ForFork0_thidvar0_2) (= v_thread1Thread1of1ForFork0_thidvar1_2 0)) InVars {ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_6|} OutVars{ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_6|, thread1Thread1of1ForFork0_#res.base=|v_thread1Thread1of1ForFork0_#res.base_4|, thread1Thread1of1ForFork0_#t~post1=|v_thread1Thread1of1ForFork0_#t~post1_8|, thread1Thread1of1ForFork0_#t~post2=|v_thread1Thread1of1ForFork0_#t~post2_4|, thread1Thread1of1ForFork0_~i~0=v_thread1Thread1of1ForFork0_~i~0_12, thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2, thread1Thread1of1ForFork0_#res.offset=|v_thread1Thread1of1ForFork0_#res.offset_4|, thread1Thread1of1ForFork0_thidvar1=v_thread1Thread1of1ForFork0_thidvar1_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#res.base, thread1Thread1of1ForFork0_#t~post1, thread1Thread1of1ForFork0_#t~post2, thread1Thread1of1ForFork0_~i~0, thread1Thread1of1ForFork0_thidvar0, thread1Thread1of1ForFork0_#res.offset, thread1Thread1of1ForFork0_thidvar1] 116#[L67-4, $Ultimate##0]don't care [184] $Ultimate##0-->L41-4: Formula: (= v_thread1Thread1of1ForFork0_~i~0_1 0) InVars {} OutVars{thread1Thread1of1ForFork0_~i~0=v_thread1Thread1of1ForFork0_~i~0_1} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_~i~0] 118#[L41-4, L67-4]don't care [2023-08-18 16:49:00,202 INFO L750 eck$LassoCheckResult]: Loop: 118#[L41-4, L67-4]don't care [185] L41-4-->L42: Formula: (< v_thread1Thread1of1ForFork0_~i~0_3 v_~N~0_2) InVars {thread1Thread1of1ForFork0_~i~0=v_thread1Thread1of1ForFork0_~i~0_3, ~N~0=v_~N~0_2} OutVars{thread1Thread1of1ForFork0_~i~0=v_thread1Thread1of1ForFork0_~i~0_3, ~N~0=v_~N~0_2} AuxVars[] AssignedVars[] 122#[L42, L67-4]don't care [188] L42-->L44: Formula: (= (+ v_~counter~0_13 1) v_~counter~0_12) InVars {~counter~0=v_~counter~0_13} OutVars{~counter~0=v_~counter~0_12, thread1Thread1of1ForFork0_#t~post2=|v_thread1Thread1of1ForFork0_#t~post2_1|} AuxVars[] AssignedVars[~counter~0, thread1Thread1of1ForFork0_#t~post2] 130#[L67-4, L44]don't care [190] L44-->L41-2: Formula: (= v_thread1Thread1of1ForFork0_~i~0_7 |v_thread1Thread1of1ForFork0_#t~post1_1|) InVars {thread1Thread1of1ForFork0_~i~0=v_thread1Thread1of1ForFork0_~i~0_7} OutVars{thread1Thread1of1ForFork0_~i~0=v_thread1Thread1of1ForFork0_~i~0_7, thread1Thread1of1ForFork0_#t~post1=|v_thread1Thread1of1ForFork0_#t~post1_1|} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#t~post1] 142#[L67-4, L41-2]don't care [192] L41-2-->L41-3: Formula: (= v_thread1Thread1of1ForFork0_~i~0_9 (+ |v_thread1Thread1of1ForFork0_#t~post1_3| 1)) InVars {thread1Thread1of1ForFork0_#t~post1=|v_thread1Thread1of1ForFork0_#t~post1_3|} OutVars{thread1Thread1of1ForFork0_~i~0=v_thread1Thread1of1ForFork0_~i~0_9, thread1Thread1of1ForFork0_#t~post1=|v_thread1Thread1of1ForFork0_#t~post1_3|} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_~i~0] 158#[L67-4, L41-3]don't care [193] L41-3-->L41-4: Formula: true InVars {} OutVars{thread1Thread1of1ForFork0_#t~post1=|v_thread1Thread1of1ForFork0_#t~post1_5|} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#t~post1] 118#[L41-4, L67-4]don't care [2023-08-18 16:49:00,206 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-18 16:49:00,207 INFO L85 PathProgramCache]: Analyzing trace with hash 894060070, now seen corresponding path program 1 times [2023-08-18 16:49:00,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-18 16:49:00,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415603981] [2023-08-18 16:49:00,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-18 16:49:00,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-18 16:49:00,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-18 16:49:00,346 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-18 16:49:00,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-18 16:49:00,403 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-18 16:49:00,405 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-18 16:49:00,406 INFO L85 PathProgramCache]: Analyzing trace with hash 205269979, now seen corresponding path program 1 times [2023-08-18 16:49:00,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-18 16:49:00,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596710494] [2023-08-18 16:49:00,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-18 16:49:00,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-18 16:49:00,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-18 16:49:00,413 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-18 16:49:00,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-18 16:49:00,418 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-18 16:49:00,419 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-18 16:49:00,420 INFO L85 PathProgramCache]: Analyzing trace with hash 1200682198, now seen corresponding path program 1 times [2023-08-18 16:49:00,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-18 16:49:00,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390573967] [2023-08-18 16:49:00,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-18 16:49:00,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-18 16:49:00,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-18 16:49:00,441 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-18 16:49:00,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-18 16:49:00,512 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-18 16:49:00,586 INFO L210 LassoAnalysis]: Preferences: [2023-08-18 16:49:00,586 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-08-18 16:49:00,586 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-08-18 16:49:00,586 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-08-18 16:49:00,587 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-08-18 16:49:00,587 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:00,587 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-08-18 16:49:00,587 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-08-18 16:49:00,587 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-figure1.wvr.c_BEv2_Iteration1_Loop [2023-08-18 16:49:00,588 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-08-18 16:49:00,588 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-08-18 16:49:00,605 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:00,615 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:00,624 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:00,629 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:00,633 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:00,638 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:00,642 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:00,646 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:00,740 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-08-18 16:49:00,741 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-08-18 16:49:00,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:00,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:00,746 INFO L229 MonitoredProcess]: Starting monitored process 2 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) [2023-08-18 16:49:00,748 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-08-18 16:49:00,749 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-08-18 16:49:00,749 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-08-18 16:49:00,764 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-08-18 16:49:00,764 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.offset_1=1} Honda state: {v_rep#funAddr~thread2.offset_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-08-18 16:49:00,769 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2023-08-18 16:49:00,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:00,770 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:00,771 INFO L229 MonitoredProcess]: Starting monitored process 3 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) [2023-08-18 16:49:00,772 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-08-18 16:49:00,779 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-08-18 16:49:00,779 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-08-18 16:49:00,802 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-08-18 16:49:00,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:00,802 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:00,803 INFO L229 MonitoredProcess]: Starting monitored process 4 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) [2023-08-18 16:49:00,817 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-08-18 16:49:00,818 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-08-18 16:49:00,818 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-08-18 16:49:00,964 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-08-18 16:49:00,969 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-08-18 16:49:00,970 INFO L210 LassoAnalysis]: Preferences: [2023-08-18 16:49:00,970 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-08-18 16:49:00,970 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-08-18 16:49:00,970 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-08-18 16:49:00,970 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-08-18 16:49:00,970 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:00,970 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-08-18 16:49:00,971 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-08-18 16:49:00,971 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-figure1.wvr.c_BEv2_Iteration1_Loop [2023-08-18 16:49:00,971 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-08-18 16:49:00,971 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-08-18 16:49:00,973 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:00,976 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:00,979 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:00,981 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:00,986 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:00,989 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:00,991 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:00,994 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:01,051 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-08-18 16:49:01,055 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-08-18 16:49:01,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:01,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:01,058 INFO L229 MonitoredProcess]: Starting monitored process 5 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) [2023-08-18 16:49:01,072 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-08-18 16:49:01,080 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-08-18 16:49:01,080 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-08-18 16:49:01,080 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-08-18 16:49:01,080 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-08-18 16:49:01,084 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-08-18 16:49:01,084 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-08-18 16:49:01,089 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-08-18 16:49:01,100 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-08-18 16:49:01,104 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-08-18 16:49:01,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:01,104 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:01,105 INFO L229 MonitoredProcess]: Starting monitored process 6 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) [2023-08-18 16:49:01,106 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-08-18 16:49:01,108 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-08-18 16:49:01,116 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-08-18 16:49:01,116 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-08-18 16:49:01,116 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-08-18 16:49:01,116 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-08-18 16:49:01,120 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-08-18 16:49:01,120 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-08-18 16:49:01,135 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-08-18 16:49:01,142 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-08-18 16:49:01,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:01,142 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:01,143 INFO L229 MonitoredProcess]: Starting monitored process 7 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) [2023-08-18 16:49:01,151 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-08-18 16:49:01,159 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-08-18 16:49:01,159 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-08-18 16:49:01,160 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-08-18 16:49:01,160 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-08-18 16:49:01,160 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-08-18 16:49:01,161 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-08-18 16:49:01,161 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-08-18 16:49:01,163 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-08-18 16:49:01,163 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-08-18 16:49:01,169 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2023-08-18 16:49:01,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:01,169 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:01,172 INFO L229 MonitoredProcess]: Starting monitored process 8 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) [2023-08-18 16:49:01,173 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-08-18 16:49:01,175 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-08-18 16:49:01,182 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-08-18 16:49:01,182 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-08-18 16:49:01,182 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-08-18 16:49:01,182 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-08-18 16:49:01,182 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-08-18 16:49:01,183 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-08-18 16:49:01,183 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-08-18 16:49:01,195 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-08-18 16:49:01,213 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-08-18 16:49:01,214 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-08-18 16:49:01,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:01,215 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:01,254 INFO L229 MonitoredProcess]: Starting monitored process 9 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) [2023-08-18 16:49:01,255 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-08-18 16:49:01,257 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-08-18 16:49:01,257 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-08-18 16:49:01,257 INFO L513 LassoAnalysis]: Proved termination. [2023-08-18 16:49:01,257 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~N~0, thread1Thread1of1ForFork0_~i~0) = 1*~N~0 - 1*thread1Thread1of1ForFork0_~i~0 Supporting invariants [] [2023-08-18 16:49:01,260 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-08-18 16:49:01,263 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-08-18 16:49:01,288 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-18 16:49:01,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-18 16:49:01,326 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 2 conjunts are in the unsatisfiable core [2023-08-18 16:49:01,329 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-08-18 16:49:01,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-18 16:49:01,376 WARN L260 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 5 conjunts are in the unsatisfiable core [2023-08-18 16:49:01,380 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-08-18 16:49:01,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-18 16:49:01,482 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2023-08-18 16:49:01,486 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand currently 439 states, but on-demand construction may add more states Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-18 16:49:01,674 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand currently 439 states, but on-demand construction may add more states. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 1292 states and 3705 transitions. Complement of second has 9 states. [2023-08-18 16:49:01,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2023-08-18 16:49:01,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-18 16:49:01,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 189 transitions. [2023-08-18 16:49:01,683 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 189 transitions. Stem has 21 letters. Loop has 5 letters. [2023-08-18 16:49:01,683 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-08-18 16:49:01,684 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 189 transitions. Stem has 26 letters. Loop has 5 letters. [2023-08-18 16:49:01,684 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-08-18 16:49:01,684 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 189 transitions. Stem has 21 letters. Loop has 10 letters. [2023-08-18 16:49:01,685 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-08-18 16:49:01,685 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1292 states and 3705 transitions. [2023-08-18 16:49:01,708 INFO L131 ngComponentsAnalysis]: Automaton has 39 accepting balls. 195 [2023-08-18 16:49:01,724 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1292 states to 633 states and 1791 transitions. [2023-08-18 16:49:01,725 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 335 [2023-08-18 16:49:01,728 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 454 [2023-08-18 16:49:01,729 INFO L73 IsDeterministic]: Start isDeterministic. Operand 633 states and 1791 transitions. [2023-08-18 16:49:01,729 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-08-18 16:49:01,729 INFO L218 hiAutomatonCegarLoop]: Abstraction has 633 states and 1791 transitions. [2023-08-18 16:49:01,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 633 states and 1791 transitions. [2023-08-18 16:49:01,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 633 to 516. [2023-08-18 16:49:01,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 516 states, 516 states have (on average 2.8217054263565893) internal successors, (1456), 515 states have internal predecessors, (1456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-18 16:49:01,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 516 states and 1456 transitions. [2023-08-18 16:49:01,808 INFO L240 hiAutomatonCegarLoop]: Abstraction has 516 states and 1456 transitions. [2023-08-18 16:49:01,808 INFO L428 stractBuchiCegarLoop]: Abstraction has 516 states and 1456 transitions. [2023-08-18 16:49:01,809 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-08-18 16:49:01,809 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 516 states and 1456 transitions. [2023-08-18 16:49:01,813 INFO L131 ngComponentsAnalysis]: Automaton has 39 accepting balls. 195 [2023-08-18 16:49:01,813 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-08-18 16:49:01,813 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-08-18 16:49:01,814 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] [2023-08-18 16:49:01,814 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2023-08-18 16:49:01,818 INFO L748 eck$LassoCheckResult]: Stem: 3297#[$Ultimate##0]don't care [148] $Ultimate##0-->L-1: Formula: (and (= |v_#NULL.base_1| 0) (= |v_#NULL.offset_1| 0)) InVars {} OutVars{#NULL.offset=|v_#NULL.offset_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[#NULL.offset, #NULL.base] 3299#[L-1]don't care [151] L-1-->L-1-1: Formula: (= 0 (select |v_#valid_13| 0)) InVars {#valid=|v_#valid_13|} OutVars{#valid=|v_#valid_13|} AuxVars[] AssignedVars[] 3317#[L-1-1]don't care [165] L-1-1-->L21: Formula: (< 0 |v_#StackHeapBarrier_3|) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_3|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_3|} AuxVars[] AssignedVars[] 3167#[L21]don't care [147] L21-->L21-1: Formula: (and (= (select |v_#length_9| 1) 2) (= (select |v_#valid_14| 1) 1)) InVars {#length=|v_#length_9|, #valid=|v_#valid_14|} OutVars{#length=|v_#length_9|, #valid=|v_#valid_14|} AuxVars[] AssignedVars[] 3169#[L21-1]don't care [158] L21-1-->L21-2: Formula: (= (select (select |v_#memory_int_7| 1) 0) 48) InVars {#memory_int=|v_#memory_int_7|} OutVars{#memory_int=|v_#memory_int_7|} AuxVars[] AssignedVars[] 3323#[L21-2]don't care [157] L21-2-->L21-3: Formula: (= (select (select |v_#memory_int_8| 1) 1) 0) InVars {#memory_int=|v_#memory_int_8|} OutVars{#memory_int=|v_#memory_int_8|} AuxVars[] AssignedVars[] 3325#[L21-3]don't care [136] L21-3-->L21-4: Formula: (and (= 21 (select |v_#length_10| 2)) (= (select |v_#valid_15| 2) 1)) InVars {#length=|v_#length_10|, #valid=|v_#valid_15|} OutVars{#length=|v_#length_10|, #valid=|v_#valid_15|} AuxVars[] AssignedVars[] 2997#[L21-4]don't care [178] L21-4-->L38: Formula: (= v_~N~0_6 0) InVars {} OutVars{~N~0=v_~N~0_6} AuxVars[] AssignedVars[~N~0] 2999#[L38]don't care [179] L38-->L-1-2: Formula: (= v_~counter~0_7 0) InVars {} OutVars{~counter~0=v_~counter~0_7} AuxVars[] AssignedVars[~counter~0] 3347#[L-1-2]don't care [167] L-1-2-->L-1-3: Formula: true InVars {} OutVars{ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_3|} AuxVars[] AssignedVars[ULTIMATE.start_main_#res#1] 3381#[L-1-3]don't care [172] L-1-3-->L62: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_4|, ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_2|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_6|, ULTIMATE.start_main_#t~nondet5#1=|v_ULTIMATE.start_main_#t~nondet5#1_4|, ULTIMATE.start_main_#t~nondet7#1=|v_ULTIMATE.start_main_#t~nondet7#1_2|, ULTIMATE.start_main_#t~mem11#1=|v_ULTIMATE.start_main_#t~mem11#1_3|, ULTIMATE.start_main_#t~pre8#1=|v_ULTIMATE.start_main_#t~pre8#1_4|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_6|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_6|, ULTIMATE.start_main_#t~mem10#1=|v_ULTIMATE.start_main_#t~mem10#1_3|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_6|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre6#1, ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_#t~nondet5#1, ULTIMATE.start_main_#t~nondet7#1, ULTIMATE.start_main_#t~mem11#1, ULTIMATE.start_main_#t~pre8#1, ULTIMATE.start_main_~#t1~0#1.base, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~mem10#1, ULTIMATE.start_main_~#t2~0#1.base] 3383#[L62]don't care [173] L62-->L62-1: Formula: (and (= (select |v_#valid_2| |v_ULTIMATE.start_main_~#t1~0#1.base_1|) 0) (not (= |v_ULTIMATE.start_main_~#t1~0#1.base_1| 0)) (= (store |v_#length_2| |v_ULTIMATE.start_main_~#t1~0#1.base_1| 4) |v_#length_1|) (< |v_#StackHeapBarrier_1| |v_ULTIMATE.start_main_~#t1~0#1.base_1|) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_1| 0) (= |v_#valid_1| (store |v_#valid_2| |v_ULTIMATE.start_main_~#t1~0#1.base_1| 1))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_2|, #valid=|v_#valid_2|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_1|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_1|, #valid=|v_#valid_1|} AuxVars[] AssignedVars[#valid, #length, ULTIMATE.start_main_~#t1~0#1.base, ULTIMATE.start_main_~#t1~0#1.offset] 3333#[L62-1]don't care [162] L62-1-->L62-2: Formula: (and (= (store |v_#length_4| |v_ULTIMATE.start_main_~#t2~0#1.base_1| 4) |v_#length_3|) (= (select |v_#valid_4| |v_ULTIMATE.start_main_~#t2~0#1.base_1|) 0) (< |v_#StackHeapBarrier_2| |v_ULTIMATE.start_main_~#t2~0#1.base_1|) (not (= |v_ULTIMATE.start_main_~#t2~0#1.base_1| 0)) (= (store |v_#valid_4| |v_ULTIMATE.start_main_~#t2~0#1.base_1| 1) |v_#valid_3|) (= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_1|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_2|, #length=|v_#length_4|, #valid=|v_#valid_4|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_2|, #length=|v_#length_3|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_1|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_1|, #valid=|v_#valid_3|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2~0#1.offset, #valid, #length, ULTIMATE.start_main_~#t2~0#1.base] 3291#[L62-2]don't care [146] L62-2-->L64: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet5#1=|v_ULTIMATE.start_main_#t~nondet5#1_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet5#1] 3265#[L64]don't care [137] L64-->L64-1: Formula: (= |v_ULTIMATE.start_main_#t~nondet5#1_2| v_~N~0_5) InVars {ULTIMATE.start_main_#t~nondet5#1=|v_ULTIMATE.start_main_#t~nondet5#1_2|} OutVars{ULTIMATE.start_main_#t~nondet5#1=|v_ULTIMATE.start_main_#t~nondet5#1_2|, ~N~0=v_~N~0_5} AuxVars[] AssignedVars[~N~0] 3267#[L64-1]don't care [166] L64-1-->L67: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet5#1=|v_ULTIMATE.start_main_#t~nondet5#1_3|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet5#1] 3375#[L67]don't care [163] L67-->L67-1: Formula: (= |v_ULTIMATE.start_main_#t~pre6#1_1| |v_#pthreadsForks_1|) InVars {#pthreadsForks=|v_#pthreadsForks_1|} OutVars{#pthreadsForks=|v_#pthreadsForks_1|, ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre6#1] 3147#[L67-1]don't care [140] L67-1-->L67-2: Formula: (= (+ 1 |v_#pthreadsForks_3|) |v_#pthreadsForks_2|) InVars {#pthreadsForks=|v_#pthreadsForks_3|} OutVars{#pthreadsForks=|v_#pthreadsForks_2|} AuxVars[] AssignedVars[#pthreadsForks] 3149#[L67-2]don't care [130] L67-2-->L67-3: Formula: (and (<= (+ |v_ULTIMATE.start_main_~#t1~0#1.offset_2| 4) (select |v_#length_5| |v_ULTIMATE.start_main_~#t1~0#1.base_2|)) (= (select |v_#valid_5| |v_ULTIMATE.start_main_~#t1~0#1.base_2|) 1) (<= 0 |v_ULTIMATE.start_main_~#t1~0#1.offset_2|) (= (store |v_#memory_int_2| |v_ULTIMATE.start_main_~#t1~0#1.base_2| (store (select |v_#memory_int_2| |v_ULTIMATE.start_main_~#t1~0#1.base_2|) |v_ULTIMATE.start_main_~#t1~0#1.offset_2| |v_ULTIMATE.start_main_#t~pre6#1_2|)) |v_#memory_int_1|)) InVars {ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_2|, #valid=|v_#valid_5|, #memory_int=|v_#memory_int_2|, #length=|v_#length_5|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_2|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_2|} OutVars{ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_2|, #valid=|v_#valid_5|, #memory_int=|v_#memory_int_1|, #length=|v_#length_5|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_2|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_2|} AuxVars[] AssignedVars[#memory_int] 3089#[L67-3]don't care [206] L67-3-->$Ultimate##0: Formula: (and (= |v_ULTIMATE.start_main_#t~pre6#1_6| v_thread1Thread1of1ForFork0_thidvar0_2) (= v_thread1Thread1of1ForFork0_thidvar1_2 0)) InVars {ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_6|} OutVars{ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_6|, thread1Thread1of1ForFork0_#res.base=|v_thread1Thread1of1ForFork0_#res.base_4|, thread1Thread1of1ForFork0_#t~post1=|v_thread1Thread1of1ForFork0_#t~post1_8|, thread1Thread1of1ForFork0_#t~post2=|v_thread1Thread1of1ForFork0_#t~post2_4|, thread1Thread1of1ForFork0_~i~0=v_thread1Thread1of1ForFork0_~i~0_12, thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2, thread1Thread1of1ForFork0_#res.offset=|v_thread1Thread1of1ForFork0_#res.offset_4|, thread1Thread1of1ForFork0_thidvar1=v_thread1Thread1of1ForFork0_thidvar1_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#res.base, thread1Thread1of1ForFork0_#t~post1, thread1Thread1of1ForFork0_#t~post2, thread1Thread1of1ForFork0_~i~0, thread1Thread1of1ForFork0_thidvar0, thread1Thread1of1ForFork0_#res.offset, thread1Thread1of1ForFork0_thidvar1] 3091#[L67-4, $Ultimate##0]don't care [159] L67-4-->L67-5: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_3|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre6#1] 3171#[$Ultimate##0, L67-5]don't care [122] L67-5-->L68: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet7#1=|v_ULTIMATE.start_main_#t~nondet7#1_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet7#1] 2549#[L68, $Ultimate##0]don't care [164] L68-->L68-1: Formula: (= |v_ULTIMATE.start_main_#t~pre8#1_1| |v_#pthreadsForks_4|) InVars {#pthreadsForks=|v_#pthreadsForks_4|} OutVars{#pthreadsForks=|v_#pthreadsForks_4|, ULTIMATE.start_main_#t~pre8#1=|v_ULTIMATE.start_main_#t~pre8#1_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre8#1] 2551#[$Ultimate##0, L68-1]don't care [139] L68-1-->L68-2: Formula: (= (+ 1 |v_#pthreadsForks_6|) |v_#pthreadsForks_5|) InVars {#pthreadsForks=|v_#pthreadsForks_6|} OutVars{#pthreadsForks=|v_#pthreadsForks_5|} AuxVars[] AssignedVars[#pthreadsForks] 3023#[L68-2, $Ultimate##0]don't care [126] L68-2-->L68-3: Formula: (and (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_2|) (= (select |v_#valid_6| |v_ULTIMATE.start_main_~#t2~0#1.base_2|) 1) (= (store |v_#memory_int_4| |v_ULTIMATE.start_main_~#t2~0#1.base_2| (store (select |v_#memory_int_4| |v_ULTIMATE.start_main_~#t2~0#1.base_2|) |v_ULTIMATE.start_main_~#t2~0#1.offset_2| |v_ULTIMATE.start_main_#t~pre8#1_2|)) |v_#memory_int_3|) (<= (+ 4 |v_ULTIMATE.start_main_~#t2~0#1.offset_2|) (select |v_#length_6| |v_ULTIMATE.start_main_~#t2~0#1.base_2|))) InVars {ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_2|, #valid=|v_#valid_6|, #memory_int=|v_#memory_int_4|, ULTIMATE.start_main_#t~pre8#1=|v_ULTIMATE.start_main_#t~pre8#1_2|, #length=|v_#length_6|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_2|} OutVars{ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_2|, #valid=|v_#valid_6|, #memory_int=|v_#memory_int_3|, ULTIMATE.start_main_#t~pre8#1=|v_ULTIMATE.start_main_#t~pre8#1_2|, #length=|v_#length_6|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_2|} AuxVars[] AssignedVars[#memory_int] 3027#[L68-3, $Ultimate##0]don't care [209] L68-3-->$Ultimate##0: Formula: (and (= |v_ULTIMATE.start_main_#t~pre8#1_6| v_thread2Thread1of1ForFork1_thidvar0_2) (= 0 v_thread2Thread1of1ForFork1_thidvar1_2) (= 0 v_thread2Thread1of1ForFork1_thidvar2_2)) InVars {ULTIMATE.start_main_#t~pre8#1=|v_ULTIMATE.start_main_#t~pre8#1_6|} OutVars{thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1_4|, thread2Thread1of1ForFork1_#res#1.base=|v_thread2Thread1of1ForFork1_#res#1.base_4|, thread2Thread1of1ForFork1_#t~post4#1=|v_thread2Thread1of1ForFork1_#t~post4#1_4|, thread2Thread1of1ForFork1_#res#1.offset=|v_thread2Thread1of1ForFork1_#res#1.offset_4|, thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_4|, ULTIMATE.start_main_#t~pre8#1=|v_ULTIMATE.start_main_#t~pre8#1_6|, thread2Thread1of1ForFork1_#t~post3#1=|v_thread2Thread1of1ForFork1_#t~post3#1_8|, thread2Thread1of1ForFork1_~i~1#1=|v_thread2Thread1of1ForFork1_~i~1#1_12|, thread2Thread1of1ForFork1_thidvar2=v_thread2Thread1of1ForFork1_thidvar2_2, thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork1_#res#1.base, thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#res#1.offset, thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork1_#t~post3#1, thread2Thread1of1ForFork1_~i~1#1, thread2Thread1of1ForFork1_thidvar2, thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1] 3227#[L68-4, $Ultimate##0, $Ultimate##0]don't care [194] $Ultimate##0-->L51-4: Formula: (= |v_thread2Thread1of1ForFork1_~i~1#1_1| 0) InVars {} OutVars{thread2Thread1of1ForFork1_~i~1#1=|v_thread2Thread1of1ForFork1_~i~1#1_1|} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_~i~1#1] 2577#[$Ultimate##0, L68-4, L51-4]don't care [2023-08-18 16:49:01,818 INFO L750 eck$LassoCheckResult]: Loop: 2577#[$Ultimate##0, L68-4, L51-4]don't care [195] L51-4-->L52: Formula: (< |v_thread2Thread1of1ForFork1_~i~1#1_3| v_~N~0_4) InVars {thread2Thread1of1ForFork1_~i~1#1=|v_thread2Thread1of1ForFork1_~i~1#1_3|, ~N~0=v_~N~0_4} OutVars{thread2Thread1of1ForFork1_~i~1#1=|v_thread2Thread1of1ForFork1_~i~1#1_3|, ~N~0=v_~N~0_4} AuxVars[] AssignedVars[] 2581#[L68-4, L52, $Ultimate##0]don't care [198] L52-->L55: Formula: (and (not (= |v_thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1_1| 0)) (= (ite (< 0 v_~counter~0_29) 1 0) |v_thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_1|) (= |v_thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_1| |v_thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1_1|) (= (+ v_~counter~0_28 1) v_~counter~0_29)) InVars {~counter~0=v_~counter~0_29} OutVars{thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1_1|, ~counter~0=v_~counter~0_28, thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_1|, thread2Thread1of1ForFork1_#t~post4#1=|v_thread2Thread1of1ForFork1_#t~post4#1_1|} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1, ~counter~0, thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1] 2967#[$Ultimate##0, L55, L68-4]don't care [200] L55-->L51-2: Formula: (= |v_thread2Thread1of1ForFork1_~i~1#1_7| |v_thread2Thread1of1ForFork1_#t~post3#1_1|) InVars {thread2Thread1of1ForFork1_~i~1#1=|v_thread2Thread1of1ForFork1_~i~1#1_7|} OutVars{thread2Thread1of1ForFork1_#t~post3#1=|v_thread2Thread1of1ForFork1_#t~post3#1_1|, thread2Thread1of1ForFork1_~i~1#1=|v_thread2Thread1of1ForFork1_~i~1#1_7|} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_#t~post3#1] 3151#[L68-4, L51-2, $Ultimate##0]don't care [202] L51-2-->L51-3: Formula: (= |v_thread2Thread1of1ForFork1_~i~1#1_9| (+ |v_thread2Thread1of1ForFork1_#t~post3#1_3| 1)) InVars {thread2Thread1of1ForFork1_#t~post3#1=|v_thread2Thread1of1ForFork1_#t~post3#1_3|} OutVars{thread2Thread1of1ForFork1_#t~post3#1=|v_thread2Thread1of1ForFork1_#t~post3#1_3|, thread2Thread1of1ForFork1_~i~1#1=|v_thread2Thread1of1ForFork1_~i~1#1_9|} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_~i~1#1] 3155#[$Ultimate##0, L51-3, L68-4]don't care [203] L51-3-->L51-4: Formula: true InVars {} OutVars{thread2Thread1of1ForFork1_#t~post3#1=|v_thread2Thread1of1ForFork1_#t~post3#1_5|} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_#t~post3#1] 2577#[$Ultimate##0, L68-4, L51-4]don't care [2023-08-18 16:49:01,824 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-18 16:49:01,825 INFO L85 PathProgramCache]: Analyzing trace with hash 321271131, now seen corresponding path program 1 times [2023-08-18 16:49:01,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-18 16:49:01,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355846070] [2023-08-18 16:49:01,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-18 16:49:01,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-18 16:49:01,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-18 16:49:01,860 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-18 16:49:01,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-18 16:49:01,876 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-18 16:49:01,876 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-18 16:49:01,876 INFO L85 PathProgramCache]: Analyzing trace with hash 214813029, now seen corresponding path program 1 times [2023-08-18 16:49:01,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-18 16:49:01,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141553108] [2023-08-18 16:49:01,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-18 16:49:01,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-18 16:49:01,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-18 16:49:01,883 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-18 16:49:01,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-18 16:49:01,888 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-18 16:49:01,889 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-18 16:49:01,889 INFO L85 PathProgramCache]: Analyzing trace with hash 198499403, now seen corresponding path program 1 times [2023-08-18 16:49:01,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-18 16:49:01,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378479558] [2023-08-18 16:49:01,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-18 16:49:01,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-18 16:49:01,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-18 16:49:02,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-18 16:49:02,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-18 16:49:02,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378479558] [2023-08-18 16:49:02,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378479558] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-18 16:49:02,102 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-18 16:49:02,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-18 16:49:02,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233878166] [2023-08-18 16:49:02,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-18 16:49:02,168 INFO L210 LassoAnalysis]: Preferences: [2023-08-18 16:49:02,169 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-08-18 16:49:02,169 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-08-18 16:49:02,169 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-08-18 16:49:02,169 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-08-18 16:49:02,169 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:02,169 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-08-18 16:49:02,169 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-08-18 16:49:02,169 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-figure1.wvr.c_BEv2_Iteration2_Loop [2023-08-18 16:49:02,169 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-08-18 16:49:02,169 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-08-18 16:49:02,173 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:02,176 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:02,178 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:02,180 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:02,182 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:02,184 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:02,186 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:02,191 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:02,199 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:02,205 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:02,290 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-08-18 16:49:02,290 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-08-18 16:49:02,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:02,291 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:02,292 INFO L229 MonitoredProcess]: Starting monitored process 10 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) [2023-08-18 16:49:02,295 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-08-18 16:49:02,297 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-08-18 16:49:02,297 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-08-18 16:49:02,319 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-08-18 16:49:02,319 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.base_3=-1} Honda state: {v_rep#funAddr~thread1.base_3=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-08-18 16:49:02,326 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-08-18 16:49:02,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:02,327 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:02,328 INFO L229 MonitoredProcess]: Starting monitored process 11 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) [2023-08-18 16:49:02,329 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-08-18 16:49:02,331 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-08-18 16:49:02,331 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-08-18 16:49:02,344 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-08-18 16:49:02,344 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.base_3=-1} Honda state: {v_rep#funAddr~thread2.base_3=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-08-18 16:49:02,349 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-08-18 16:49:02,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:02,350 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:02,351 INFO L229 MonitoredProcess]: Starting monitored process 12 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) [2023-08-18 16:49:02,353 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-08-18 16:49:02,354 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-08-18 16:49:02,354 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-08-18 16:49:02,363 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-08-18 16:49:02,363 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread2Thread1of1ForFork1_#t~post4#1=0} Honda state: {thread2Thread1of1ForFork1_#t~post4#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-08-18 16:49:02,366 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-08-18 16:49:02,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:02,366 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:02,367 INFO L229 MonitoredProcess]: Starting monitored process 13 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) [2023-08-18 16:49:02,368 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-08-18 16:49:02,370 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-08-18 16:49:02,370 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-08-18 16:49:02,377 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-08-18 16:49:02,377 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1=1} Honda state: {thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-08-18 16:49:02,380 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-08-18 16:49:02,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:02,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:02,381 INFO L229 MonitoredProcess]: Starting monitored process 14 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) [2023-08-18 16:49:02,382 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-08-18 16:49:02,384 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-08-18 16:49:02,385 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-08-18 16:49:02,392 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-08-18 16:49:02,392 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread2Thread1of1ForFork1_#t~post3#1=0} Honda state: {thread2Thread1of1ForFork1_#t~post3#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-08-18 16:49:02,395 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-08-18 16:49:02,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:02,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:02,396 INFO L229 MonitoredProcess]: Starting monitored process 15 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) [2023-08-18 16:49:02,397 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-08-18 16:49:02,399 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-08-18 16:49:02,399 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-08-18 16:49:02,411 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-08-18 16:49:02,411 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.offset_3=0} Honda state: {v_rep#funAddr~thread1.offset_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-08-18 16:49:02,414 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-08-18 16:49:02,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:02,415 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:02,415 INFO L229 MonitoredProcess]: Starting monitored process 16 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) [2023-08-18 16:49:02,416 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-08-18 16:49:02,419 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-08-18 16:49:02,419 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-08-18 16:49:02,428 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-08-18 16:49:02,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:02,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:02,430 INFO L229 MonitoredProcess]: Starting monitored process 17 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) [2023-08-18 16:49:02,433 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-08-18 16:49:02,433 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-08-18 16:49:02,433 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-08-18 16:49:02,449 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-08-18 16:49:02,452 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-08-18 16:49:02,452 INFO L210 LassoAnalysis]: Preferences: [2023-08-18 16:49:02,452 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-08-18 16:49:02,452 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-08-18 16:49:02,452 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-08-18 16:49:02,453 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-08-18 16:49:02,453 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:02,453 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-08-18 16:49:02,453 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-08-18 16:49:02,453 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-figure1.wvr.c_BEv2_Iteration2_Loop [2023-08-18 16:49:02,453 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-08-18 16:49:02,453 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-08-18 16:49:02,454 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:02,467 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:02,469 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:02,472 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:02,474 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:02,476 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:02,478 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:02,482 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:02,485 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:02,488 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:02,575 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-08-18 16:49:02,575 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-08-18 16:49:02,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:02,575 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:02,581 INFO L229 MonitoredProcess]: Starting monitored process 18 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) [2023-08-18 16:49:02,590 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-08-18 16:49:02,595 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-08-18 16:49:02,597 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-08-18 16:49:02,597 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-08-18 16:49:02,597 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-08-18 16:49:02,598 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-08-18 16:49:02,599 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-08-18 16:49:02,599 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-08-18 16:49:02,619 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-08-18 16:49:02,625 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-08-18 16:49:02,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:02,626 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:02,627 INFO L229 MonitoredProcess]: Starting monitored process 19 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) [2023-08-18 16:49:02,636 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-08-18 16:49:02,643 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-08-18 16:49:02,643 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-08-18 16:49:02,643 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-08-18 16:49:02,643 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-08-18 16:49:02,643 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-08-18 16:49:02,644 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-08-18 16:49:02,644 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-08-18 16:49:02,648 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-08-18 16:49:02,673 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-08-18 16:49:02,680 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-08-18 16:49:02,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:02,681 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:02,682 INFO L229 MonitoredProcess]: Starting monitored process 20 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) [2023-08-18 16:49:02,696 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-08-18 16:49:02,704 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-08-18 16:49:02,704 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-08-18 16:49:02,704 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-08-18 16:49:02,704 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-08-18 16:49:02,707 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-08-18 16:49:02,707 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-08-18 16:49:02,711 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-08-18 16:49:02,725 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-08-18 16:49:02,731 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-08-18 16:49:02,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:02,731 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:02,733 INFO L229 MonitoredProcess]: Starting monitored process 21 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) [2023-08-18 16:49:02,735 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-08-18 16:49:02,737 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-08-18 16:49:02,744 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-08-18 16:49:02,744 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-08-18 16:49:02,745 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-08-18 16:49:02,745 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-08-18 16:49:02,745 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-08-18 16:49:02,745 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-08-18 16:49:02,745 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-08-18 16:49:02,759 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-08-18 16:49:02,765 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-08-18 16:49:02,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:02,766 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:02,767 INFO L229 MonitoredProcess]: Starting monitored process 22 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) [2023-08-18 16:49:02,769 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-08-18 16:49:02,771 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-08-18 16:49:02,778 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-08-18 16:49:02,778 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-08-18 16:49:02,779 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-08-18 16:49:02,779 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-08-18 16:49:02,779 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-08-18 16:49:02,779 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-08-18 16:49:02,779 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-08-18 16:49:02,800 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-08-18 16:49:02,807 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-08-18 16:49:02,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:02,808 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:02,809 INFO L229 MonitoredProcess]: Starting monitored process 23 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) [2023-08-18 16:49:02,817 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-08-18 16:49:02,824 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-08-18 16:49:02,825 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-08-18 16:49:02,825 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-08-18 16:49:02,825 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-08-18 16:49:02,826 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-08-18 16:49:02,826 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-08-18 16:49:02,830 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-08-18 16:49:02,848 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-08-18 16:49:02,855 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2023-08-18 16:49:02,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:02,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:02,856 INFO L229 MonitoredProcess]: Starting monitored process 24 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) [2023-08-18 16:49:02,859 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-08-18 16:49:02,861 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-08-18 16:49:02,868 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-08-18 16:49:02,868 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-08-18 16:49:02,868 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-08-18 16:49:02,868 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-08-18 16:49:02,868 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-08-18 16:49:02,869 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-08-18 16:49:02,869 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-08-18 16:49:02,884 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-08-18 16:49:02,898 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-08-18 16:49:02,899 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-08-18 16:49:02,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:02,899 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:02,902 INFO L229 MonitoredProcess]: Starting monitored process 25 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) [2023-08-18 16:49:02,903 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-08-18 16:49:02,904 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-08-18 16:49:02,904 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-08-18 16:49:02,904 INFO L513 LassoAnalysis]: Proved termination. [2023-08-18 16:49:02,904 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~counter~0) = 1*~counter~0 Supporting invariants [] [2023-08-18 16:49:02,908 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-08-18 16:49:02,909 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-08-18 16:49:02,920 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-18 16:49:02,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-18 16:49:02,948 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 2 conjunts are in the unsatisfiable core [2023-08-18 16:49:02,949 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-08-18 16:49:03,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-18 16:49:03,029 WARN L260 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 8 conjunts are in the unsatisfiable core [2023-08-18 16:49:03,029 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-08-18 16:49:03,030 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-08-18 16:49:03,049 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2023-08-18 16:49:03,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-18 16:49:03,082 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-08-18 16:49:03,082 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 516 states and 1456 transitions. cyclomatic complexity: 993 Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-18 16:49:03,120 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 516 states and 1456 transitions. cyclomatic complexity: 993. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 1523 states and 4502 transitions. Complement of second has 5 states. [2023-08-18 16:49:03,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-08-18 16:49:03,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-18 16:49:03,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 77 transitions. [2023-08-18 16:49:03,122 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 77 transitions. Stem has 27 letters. Loop has 5 letters. [2023-08-18 16:49:03,124 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-08-18 16:49:03,124 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 77 transitions. Stem has 32 letters. Loop has 5 letters. [2023-08-18 16:49:03,126 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-08-18 16:49:03,126 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 77 transitions. Stem has 27 letters. Loop has 10 letters. [2023-08-18 16:49:03,128 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-08-18 16:49:03,128 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1523 states and 4502 transitions. [2023-08-18 16:49:03,150 INFO L131 ngComponentsAnalysis]: Automaton has 35 accepting balls. 175 [2023-08-18 16:49:03,163 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1523 states to 1109 states and 3344 transitions. [2023-08-18 16:49:03,163 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 398 [2023-08-18 16:49:03,165 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 466 [2023-08-18 16:49:03,165 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1109 states and 3344 transitions. [2023-08-18 16:49:03,165 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-08-18 16:49:03,165 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1109 states and 3344 transitions. [2023-08-18 16:49:03,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1109 states and 3344 transitions. [2023-08-18 16:49:03,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1109 to 977. [2023-08-18 16:49:03,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 977 states, 977 states have (on average 3.0716479017400204) internal successors, (3001), 976 states have internal predecessors, (3001), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-18 16:49:03,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 3001 transitions. [2023-08-18 16:49:03,195 INFO L240 hiAutomatonCegarLoop]: Abstraction has 977 states and 3001 transitions. [2023-08-18 16:49:03,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-18 16:49:03,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-18 16:49:03,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-18 16:49:03,199 INFO L87 Difference]: Start difference. First operand 977 states and 3001 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-18 16:49:03,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-08-18 16:49:03,226 INFO L93 Difference]: Finished difference Result 1035 states and 3021 transitions. [2023-08-18 16:49:03,226 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1035 states and 3021 transitions. [2023-08-18 16:49:03,237 INFO L131 ngComponentsAnalysis]: Automaton has 35 accepting balls. 175 [2023-08-18 16:49:03,247 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1035 states to 990 states and 2873 transitions. [2023-08-18 16:49:03,247 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 418 [2023-08-18 16:49:03,248 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 418 [2023-08-18 16:49:03,248 INFO L73 IsDeterministic]: Start isDeterministic. Operand 990 states and 2873 transitions. [2023-08-18 16:49:03,248 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-08-18 16:49:03,248 INFO L218 hiAutomatonCegarLoop]: Abstraction has 990 states and 2873 transitions. [2023-08-18 16:49:03,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 990 states and 2873 transitions. [2023-08-18 16:49:03,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 990 to 944. [2023-08-18 16:49:03,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 944 states, 944 states have (on average 2.926906779661017) internal successors, (2763), 943 states have internal predecessors, (2763), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-18 16:49:03,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 944 states to 944 states and 2763 transitions. [2023-08-18 16:49:03,273 INFO L240 hiAutomatonCegarLoop]: Abstraction has 944 states and 2763 transitions. [2023-08-18 16:49:03,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-18 16:49:03,275 INFO L428 stractBuchiCegarLoop]: Abstraction has 944 states and 2763 transitions. [2023-08-18 16:49:03,275 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-08-18 16:49:03,275 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 944 states and 2763 transitions. [2023-08-18 16:49:03,285 INFO L131 ngComponentsAnalysis]: Automaton has 35 accepting balls. 175 [2023-08-18 16:49:03,285 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-08-18 16:49:03,285 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-08-18 16:49:03,286 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] [2023-08-18 16:49:03,286 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2023-08-18 16:49:03,287 INFO L748 eck$LassoCheckResult]: Stem: 8954#[$Ultimate##0]don't care [148] $Ultimate##0-->L-1: Formula: (and (= |v_#NULL.base_1| 0) (= |v_#NULL.offset_1| 0)) InVars {} OutVars{#NULL.offset=|v_#NULL.offset_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[#NULL.offset, #NULL.base] 8956#[L-1]don't care [151] L-1-->L-1-1: Formula: (= 0 (select |v_#valid_13| 0)) InVars {#valid=|v_#valid_13|} OutVars{#valid=|v_#valid_13|} AuxVars[] AssignedVars[] 8996#[L-1-1]don't care [165] L-1-1-->L21: Formula: (< 0 |v_#StackHeapBarrier_3|) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_3|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_3|} AuxVars[] AssignedVars[] 8770#[L21]don't care [147] L21-->L21-1: Formula: (and (= (select |v_#length_9| 1) 2) (= (select |v_#valid_14| 1) 1)) InVars {#length=|v_#length_9|, #valid=|v_#valid_14|} OutVars{#length=|v_#length_9|, #valid=|v_#valid_14|} AuxVars[] AssignedVars[] 8772#[L21-1]don't care [158] L21-1-->L21-2: Formula: (= (select (select |v_#memory_int_7| 1) 0) 48) InVars {#memory_int=|v_#memory_int_7|} OutVars{#memory_int=|v_#memory_int_7|} AuxVars[] AssignedVars[] 9004#[L21-2]don't care [157] L21-2-->L21-3: Formula: (= (select (select |v_#memory_int_8| 1) 1) 0) InVars {#memory_int=|v_#memory_int_8|} OutVars{#memory_int=|v_#memory_int_8|} AuxVars[] AssignedVars[] 9006#[L21-3]don't care [136] L21-3-->L21-4: Formula: (and (= 21 (select |v_#length_10| 2)) (= (select |v_#valid_15| 2) 1)) InVars {#length=|v_#length_10|, #valid=|v_#valid_15|} OutVars{#length=|v_#length_10|, #valid=|v_#valid_15|} AuxVars[] AssignedVars[] 8566#[L21-4]don't care [178] L21-4-->L38: Formula: (= v_~N~0_6 0) InVars {} OutVars{~N~0=v_~N~0_6} AuxVars[] AssignedVars[~N~0] 8568#[L38]don't care [179] L38-->L-1-2: Formula: (= v_~counter~0_7 0) InVars {} OutVars{~counter~0=v_~counter~0_7} AuxVars[] AssignedVars[~counter~0] 9028#[L-1-2]don't care [167] L-1-2-->L-1-3: Formula: true InVars {} OutVars{ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_3|} AuxVars[] AssignedVars[ULTIMATE.start_main_#res#1] 9160#[L-1-3]don't care [172] L-1-3-->L62: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_4|, ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_2|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_6|, ULTIMATE.start_main_#t~nondet5#1=|v_ULTIMATE.start_main_#t~nondet5#1_4|, ULTIMATE.start_main_#t~nondet7#1=|v_ULTIMATE.start_main_#t~nondet7#1_2|, ULTIMATE.start_main_#t~mem11#1=|v_ULTIMATE.start_main_#t~mem11#1_3|, ULTIMATE.start_main_#t~pre8#1=|v_ULTIMATE.start_main_#t~pre8#1_4|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_6|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_6|, ULTIMATE.start_main_#t~mem10#1=|v_ULTIMATE.start_main_#t~mem10#1_3|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_6|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre6#1, ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_#t~nondet5#1, ULTIMATE.start_main_#t~nondet7#1, ULTIMATE.start_main_#t~mem11#1, ULTIMATE.start_main_#t~pre8#1, ULTIMATE.start_main_~#t1~0#1.base, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~mem10#1, ULTIMATE.start_main_~#t2~0#1.base] 9162#[L62]don't care [173] L62-->L62-1: Formula: (and (= (select |v_#valid_2| |v_ULTIMATE.start_main_~#t1~0#1.base_1|) 0) (not (= |v_ULTIMATE.start_main_~#t1~0#1.base_1| 0)) (= (store |v_#length_2| |v_ULTIMATE.start_main_~#t1~0#1.base_1| 4) |v_#length_1|) (< |v_#StackHeapBarrier_1| |v_ULTIMATE.start_main_~#t1~0#1.base_1|) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_1| 0) (= |v_#valid_1| (store |v_#valid_2| |v_ULTIMATE.start_main_~#t1~0#1.base_1| 1))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_2|, #valid=|v_#valid_2|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_1|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_1|, #valid=|v_#valid_1|} AuxVars[] AssignedVars[#valid, #length, ULTIMATE.start_main_~#t1~0#1.base, ULTIMATE.start_main_~#t1~0#1.offset] 9010#[L62-1]don't care [162] L62-1-->L62-2: Formula: (and (= (store |v_#length_4| |v_ULTIMATE.start_main_~#t2~0#1.base_1| 4) |v_#length_3|) (= (select |v_#valid_4| |v_ULTIMATE.start_main_~#t2~0#1.base_1|) 0) (< |v_#StackHeapBarrier_2| |v_ULTIMATE.start_main_~#t2~0#1.base_1|) (not (= |v_ULTIMATE.start_main_~#t2~0#1.base_1| 0)) (= (store |v_#valid_4| |v_ULTIMATE.start_main_~#t2~0#1.base_1| 1) |v_#valid_3|) (= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_1|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_2|, #length=|v_#length_4|, #valid=|v_#valid_4|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_2|, #length=|v_#length_3|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_1|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_1|, #valid=|v_#valid_3|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2~0#1.offset, #valid, #length, ULTIMATE.start_main_~#t2~0#1.base] 8946#[L62-2]don't care [146] L62-2-->L64: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet5#1=|v_ULTIMATE.start_main_#t~nondet5#1_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet5#1] 8920#[L64]don't care [137] L64-->L64-1: Formula: (= |v_ULTIMATE.start_main_#t~nondet5#1_2| v_~N~0_5) InVars {ULTIMATE.start_main_#t~nondet5#1=|v_ULTIMATE.start_main_#t~nondet5#1_2|} OutVars{ULTIMATE.start_main_#t~nondet5#1=|v_ULTIMATE.start_main_#t~nondet5#1_2|, ~N~0=v_~N~0_5} AuxVars[] AssignedVars[~N~0] 8922#[L64-1]don't care [166] L64-1-->L67: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet5#1=|v_ULTIMATE.start_main_#t~nondet5#1_3|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet5#1] 9128#[L67]don't care [163] L67-->L67-1: Formula: (= |v_ULTIMATE.start_main_#t~pre6#1_1| |v_#pthreadsForks_1|) InVars {#pthreadsForks=|v_#pthreadsForks_1|} OutVars{#pthreadsForks=|v_#pthreadsForks_1|, ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre6#1] 8756#[L67-1]don't care [140] L67-1-->L67-2: Formula: (= (+ 1 |v_#pthreadsForks_3|) |v_#pthreadsForks_2|) InVars {#pthreadsForks=|v_#pthreadsForks_3|} OutVars{#pthreadsForks=|v_#pthreadsForks_2|} AuxVars[] AssignedVars[#pthreadsForks] 8758#[L67-2]don't care [130] L67-2-->L67-3: Formula: (and (<= (+ |v_ULTIMATE.start_main_~#t1~0#1.offset_2| 4) (select |v_#length_5| |v_ULTIMATE.start_main_~#t1~0#1.base_2|)) (= (select |v_#valid_5| |v_ULTIMATE.start_main_~#t1~0#1.base_2|) 1) (<= 0 |v_ULTIMATE.start_main_~#t1~0#1.offset_2|) (= (store |v_#memory_int_2| |v_ULTIMATE.start_main_~#t1~0#1.base_2| (store (select |v_#memory_int_2| |v_ULTIMATE.start_main_~#t1~0#1.base_2|) |v_ULTIMATE.start_main_~#t1~0#1.offset_2| |v_ULTIMATE.start_main_#t~pre6#1_2|)) |v_#memory_int_1|)) InVars {ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_2|, #valid=|v_#valid_5|, #memory_int=|v_#memory_int_2|, #length=|v_#length_5|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_2|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_2|} OutVars{ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_2|, #valid=|v_#valid_5|, #memory_int=|v_#memory_int_1|, #length=|v_#length_5|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_2|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_2|} AuxVars[] AssignedVars[#memory_int] 8688#[L67-3]don't care [206] L67-3-->$Ultimate##0: Formula: (and (= |v_ULTIMATE.start_main_#t~pre6#1_6| v_thread1Thread1of1ForFork0_thidvar0_2) (= v_thread1Thread1of1ForFork0_thidvar1_2 0)) InVars {ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_6|} OutVars{ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_6|, thread1Thread1of1ForFork0_#res.base=|v_thread1Thread1of1ForFork0_#res.base_4|, thread1Thread1of1ForFork0_#t~post1=|v_thread1Thread1of1ForFork0_#t~post1_8|, thread1Thread1of1ForFork0_#t~post2=|v_thread1Thread1of1ForFork0_#t~post2_4|, thread1Thread1of1ForFork0_~i~0=v_thread1Thread1of1ForFork0_~i~0_12, thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2, thread1Thread1of1ForFork0_#res.offset=|v_thread1Thread1of1ForFork0_#res.offset_4|, thread1Thread1of1ForFork0_thidvar1=v_thread1Thread1of1ForFork0_thidvar1_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#res.base, thread1Thread1of1ForFork0_#t~post1, thread1Thread1of1ForFork0_#t~post2, thread1Thread1of1ForFork0_~i~0, thread1Thread1of1ForFork0_thidvar0, thread1Thread1of1ForFork0_#res.offset, thread1Thread1of1ForFork0_thidvar1] 8690#[L67-4, $Ultimate##0]don't care [184] $Ultimate##0-->L41-4: Formula: (= v_thread1Thread1of1ForFork0_~i~0_1 0) InVars {} OutVars{thread1Thread1of1ForFork0_~i~0=v_thread1Thread1of1ForFork0_~i~0_1} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_~i~0] 8738#[L41-4, L67-4]don't care [185] L41-4-->L42: Formula: (< v_thread1Thread1of1ForFork0_~i~0_3 v_~N~0_2) InVars {thread1Thread1of1ForFork0_~i~0=v_thread1Thread1of1ForFork0_~i~0_3, ~N~0=v_~N~0_2} OutVars{thread1Thread1of1ForFork0_~i~0=v_thread1Thread1of1ForFork0_~i~0_3, ~N~0=v_~N~0_2} AuxVars[] AssignedVars[] 8742#[L42, L67-4]don't care [159] L67-4-->L67-5: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_3|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre6#1] 8934#[L42, L67-5]don't care [122] L67-5-->L68: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet7#1=|v_ULTIMATE.start_main_#t~nondet7#1_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet7#1] 8040#[L42, L68]don't care [164] L68-->L68-1: Formula: (= |v_ULTIMATE.start_main_#t~pre8#1_1| |v_#pthreadsForks_4|) InVars {#pthreadsForks=|v_#pthreadsForks_4|} OutVars{#pthreadsForks=|v_#pthreadsForks_4|, ULTIMATE.start_main_#t~pre8#1=|v_ULTIMATE.start_main_#t~pre8#1_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre8#1] 8830#[L42, L68-1]don't care [139] L68-1-->L68-2: Formula: (= (+ 1 |v_#pthreadsForks_6|) |v_#pthreadsForks_5|) InVars {#pthreadsForks=|v_#pthreadsForks_6|} OutVars{#pthreadsForks=|v_#pthreadsForks_5|} AuxVars[] AssignedVars[#pthreadsForks] 8470#[L42, L68-2]don't care [126] L68-2-->L68-3: Formula: (and (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_2|) (= (select |v_#valid_6| |v_ULTIMATE.start_main_~#t2~0#1.base_2|) 1) (= (store |v_#memory_int_4| |v_ULTIMATE.start_main_~#t2~0#1.base_2| (store (select |v_#memory_int_4| |v_ULTIMATE.start_main_~#t2~0#1.base_2|) |v_ULTIMATE.start_main_~#t2~0#1.offset_2| |v_ULTIMATE.start_main_#t~pre8#1_2|)) |v_#memory_int_3|) (<= (+ 4 |v_ULTIMATE.start_main_~#t2~0#1.offset_2|) (select |v_#length_6| |v_ULTIMATE.start_main_~#t2~0#1.base_2|))) InVars {ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_2|, #valid=|v_#valid_6|, #memory_int=|v_#memory_int_4|, ULTIMATE.start_main_#t~pre8#1=|v_ULTIMATE.start_main_#t~pre8#1_2|, #length=|v_#length_6|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_2|} OutVars{ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_2|, #valid=|v_#valid_6|, #memory_int=|v_#memory_int_3|, ULTIMATE.start_main_#t~pre8#1=|v_ULTIMATE.start_main_#t~pre8#1_2|, #length=|v_#length_6|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_2|} AuxVars[] AssignedVars[#memory_int] 8074#[L42, L68-3]don't care [209] L68-3-->$Ultimate##0: Formula: (and (= |v_ULTIMATE.start_main_#t~pre8#1_6| v_thread2Thread1of1ForFork1_thidvar0_2) (= 0 v_thread2Thread1of1ForFork1_thidvar1_2) (= 0 v_thread2Thread1of1ForFork1_thidvar2_2)) InVars {ULTIMATE.start_main_#t~pre8#1=|v_ULTIMATE.start_main_#t~pre8#1_6|} OutVars{thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1_4|, thread2Thread1of1ForFork1_#res#1.base=|v_thread2Thread1of1ForFork1_#res#1.base_4|, thread2Thread1of1ForFork1_#t~post4#1=|v_thread2Thread1of1ForFork1_#t~post4#1_4|, thread2Thread1of1ForFork1_#res#1.offset=|v_thread2Thread1of1ForFork1_#res#1.offset_4|, thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_4|, ULTIMATE.start_main_#t~pre8#1=|v_ULTIMATE.start_main_#t~pre8#1_6|, thread2Thread1of1ForFork1_#t~post3#1=|v_thread2Thread1of1ForFork1_#t~post3#1_8|, thread2Thread1of1ForFork1_~i~1#1=|v_thread2Thread1of1ForFork1_~i~1#1_12|, thread2Thread1of1ForFork1_thidvar2=v_thread2Thread1of1ForFork1_thidvar2_2, thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork1_#res#1.base, thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#res#1.offset, thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork1_#t~post3#1, thread2Thread1of1ForFork1_~i~1#1, thread2Thread1of1ForFork1_thidvar2, thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1] 8076#[L68-4, $Ultimate##0, L42]don't care [194] $Ultimate##0-->L51-4: Formula: (= |v_thread2Thread1of1ForFork1_~i~1#1_1| 0) InVars {} OutVars{thread2Thread1of1ForFork1_~i~1#1=|v_thread2Thread1of1ForFork1_~i~1#1_1|} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_~i~1#1] 8348#[L68-4, L42, L51-4]don't care [188] L42-->L44: Formula: (= (+ v_~counter~0_13 1) v_~counter~0_12) InVars {~counter~0=v_~counter~0_13} OutVars{~counter~0=v_~counter~0_12, thread1Thread1of1ForFork0_#t~post2=|v_thread1Thread1of1ForFork0_#t~post2_1|} AuxVars[] AssignedVars[~counter~0, thread1Thread1of1ForFork0_#t~post2] 8806#[L44, L68-4, L51-4]don't care [2023-08-18 16:49:03,287 INFO L750 eck$LassoCheckResult]: Loop: 8806#[L44, L68-4, L51-4]don't care [195] L51-4-->L52: Formula: (< |v_thread2Thread1of1ForFork1_~i~1#1_3| v_~N~0_4) InVars {thread2Thread1of1ForFork1_~i~1#1=|v_thread2Thread1of1ForFork1_~i~1#1_3|, ~N~0=v_~N~0_4} OutVars{thread2Thread1of1ForFork1_~i~1#1=|v_thread2Thread1of1ForFork1_~i~1#1_3|, ~N~0=v_~N~0_4} AuxVars[] AssignedVars[] 8526#[L44, L68-4, L52]don't care [198] L52-->L55: Formula: (and (not (= |v_thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1_1| 0)) (= (ite (< 0 v_~counter~0_29) 1 0) |v_thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_1|) (= |v_thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_1| |v_thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1_1|) (= (+ v_~counter~0_28 1) v_~counter~0_29)) InVars {~counter~0=v_~counter~0_29} OutVars{thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1_1|, ~counter~0=v_~counter~0_28, thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_1|, thread2Thread1of1ForFork1_#t~post4#1=|v_thread2Thread1of1ForFork1_#t~post4#1_1|} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1, ~counter~0, thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1] 8530#[L44, L55, L68-4]don't care [200] L55-->L51-2: Formula: (= |v_thread2Thread1of1ForFork1_~i~1#1_7| |v_thread2Thread1of1ForFork1_#t~post3#1_1|) InVars {thread2Thread1of1ForFork1_~i~1#1=|v_thread2Thread1of1ForFork1_~i~1#1_7|} OutVars{thread2Thread1of1ForFork1_#t~post3#1=|v_thread2Thread1of1ForFork1_#t~post3#1_1|, thread2Thread1of1ForFork1_~i~1#1=|v_thread2Thread1of1ForFork1_~i~1#1_7|} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_#t~post3#1] 8276#[L44, L68-4, L51-2]don't care [202] L51-2-->L51-3: Formula: (= |v_thread2Thread1of1ForFork1_~i~1#1_9| (+ |v_thread2Thread1of1ForFork1_#t~post3#1_3| 1)) InVars {thread2Thread1of1ForFork1_#t~post3#1=|v_thread2Thread1of1ForFork1_#t~post3#1_3|} OutVars{thread2Thread1of1ForFork1_#t~post3#1=|v_thread2Thread1of1ForFork1_#t~post3#1_3|, thread2Thread1of1ForFork1_~i~1#1=|v_thread2Thread1of1ForFork1_~i~1#1_9|} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_~i~1#1] 8280#[L44, L51-3, L68-4]don't care [203] L51-3-->L51-4: Formula: true InVars {} OutVars{thread2Thread1of1ForFork1_#t~post3#1=|v_thread2Thread1of1ForFork1_#t~post3#1_5|} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_#t~post3#1] 8806#[L44, L68-4, L51-4]don't care [2023-08-18 16:49:03,287 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-18 16:49:03,287 INFO L85 PathProgramCache]: Analyzing trace with hash 1972408386, now seen corresponding path program 1 times [2023-08-18 16:49:03,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-18 16:49:03,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082335689] [2023-08-18 16:49:03,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-18 16:49:03,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-18 16:49:03,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-18 16:49:03,311 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-18 16:49:03,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-18 16:49:03,321 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-18 16:49:03,322 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-18 16:49:03,322 INFO L85 PathProgramCache]: Analyzing trace with hash 214813029, now seen corresponding path program 2 times [2023-08-18 16:49:03,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-18 16:49:03,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819771033] [2023-08-18 16:49:03,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-18 16:49:03,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-18 16:49:03,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-18 16:49:03,326 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-18 16:49:03,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-18 16:49:03,329 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-18 16:49:03,329 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-18 16:49:03,329 INFO L85 PathProgramCache]: Analyzing trace with hash -1174259260, now seen corresponding path program 1 times [2023-08-18 16:49:03,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-18 16:49:03,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546410760] [2023-08-18 16:49:03,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-18 16:49:03,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-18 16:49:03,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-18 16:49:03,340 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-18 16:49:03,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-18 16:49:03,352 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-18 16:49:03,395 INFO L210 LassoAnalysis]: Preferences: [2023-08-18 16:49:03,395 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-08-18 16:49:03,395 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-08-18 16:49:03,395 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-08-18 16:49:03,395 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-08-18 16:49:03,395 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:03,395 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-08-18 16:49:03,395 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-08-18 16:49:03,395 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-figure1.wvr.c_BEv2_Iteration3_Loop [2023-08-18 16:49:03,395 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-08-18 16:49:03,395 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-08-18 16:49:03,396 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:03,399 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:03,401 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:03,403 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:03,405 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:03,407 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:03,409 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:03,414 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:03,416 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:03,420 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:03,483 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-08-18 16:49:03,484 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-08-18 16:49:03,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:03,484 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:03,485 INFO L229 MonitoredProcess]: Starting monitored process 26 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) [2023-08-18 16:49:03,488 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-08-18 16:49:03,489 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-08-18 16:49:03,489 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-08-18 16:49:03,496 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-08-18 16:49:03,496 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1=1} Honda state: {thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-08-18 16:49:03,499 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2023-08-18 16:49:03,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:03,500 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:03,501 INFO L229 MonitoredProcess]: Starting monitored process 27 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) [2023-08-18 16:49:03,502 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-08-18 16:49:03,503 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-08-18 16:49:03,503 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-08-18 16:49:03,515 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-08-18 16:49:03,515 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.base_5=-1} Honda state: {v_rep#funAddr~thread1.base_5=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-08-18 16:49:03,517 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2023-08-18 16:49:03,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:03,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:03,518 INFO L229 MonitoredProcess]: Starting monitored process 28 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) [2023-08-18 16:49:03,520 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-08-18 16:49:03,521 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-08-18 16:49:03,522 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-08-18 16:49:03,528 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-08-18 16:49:03,528 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread2Thread1of1ForFork1_#t~post4#1=0} Honda state: {thread2Thread1of1ForFork1_#t~post4#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-08-18 16:49:03,530 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2023-08-18 16:49:03,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:03,531 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:03,532 INFO L229 MonitoredProcess]: Starting monitored process 29 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) [2023-08-18 16:49:03,533 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-08-18 16:49:03,534 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-08-18 16:49:03,534 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-08-18 16:49:03,545 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-08-18 16:49:03,545 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.base_5=-1} Honda state: {v_rep#funAddr~thread2.base_5=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-08-18 16:49:03,548 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2023-08-18 16:49:03,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:03,548 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:03,549 INFO L229 MonitoredProcess]: Starting monitored process 30 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) [2023-08-18 16:49:03,551 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2023-08-18 16:49:03,553 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-08-18 16:49:03,553 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-08-18 16:49:03,560 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-08-18 16:49:03,560 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread2Thread1of1ForFork1_#t~post3#1=0} Honda state: {thread2Thread1of1ForFork1_#t~post3#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-08-18 16:49:03,562 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2023-08-18 16:49:03,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:03,562 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:03,563 INFO L229 MonitoredProcess]: Starting monitored process 31 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) [2023-08-18 16:49:03,566 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2023-08-18 16:49:03,567 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-08-18 16:49:03,567 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-08-18 16:49:03,585 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-08-18 16:49:03,585 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.offset_5=0} Honda state: {v_rep#funAddr~thread1.offset_5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-08-18 16:49:03,587 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2023-08-18 16:49:03,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:03,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:03,588 INFO L229 MonitoredProcess]: Starting monitored process 32 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) [2023-08-18 16:49:03,589 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2023-08-18 16:49:03,591 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-08-18 16:49:03,591 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-08-18 16:49:03,600 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2023-08-18 16:49:03,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:03,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:03,601 INFO L229 MonitoredProcess]: Starting monitored process 33 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) [2023-08-18 16:49:03,602 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2023-08-18 16:49:03,604 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-08-18 16:49:03,605 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-08-18 16:49:03,699 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-08-18 16:49:03,702 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2023-08-18 16:49:03,702 INFO L210 LassoAnalysis]: Preferences: [2023-08-18 16:49:03,702 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-08-18 16:49:03,702 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-08-18 16:49:03,702 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-08-18 16:49:03,702 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-08-18 16:49:03,702 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:03,703 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-08-18 16:49:03,703 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-08-18 16:49:03,703 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-figure1.wvr.c_BEv2_Iteration3_Loop [2023-08-18 16:49:03,703 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-08-18 16:49:03,703 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-08-18 16:49:03,704 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:03,707 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:03,709 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:03,712 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:03,714 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:03,716 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:03,718 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:03,723 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:03,725 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:03,727 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:03,808 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-08-18 16:49:03,808 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-08-18 16:49:03,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:03,809 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:03,813 INFO L229 MonitoredProcess]: Starting monitored process 34 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) [2023-08-18 16:49:03,816 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2023-08-18 16:49:03,817 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-08-18 16:49:03,825 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-08-18 16:49:03,825 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-08-18 16:49:03,825 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-08-18 16:49:03,825 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-08-18 16:49:03,826 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-08-18 16:49:03,827 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-08-18 16:49:03,847 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-08-18 16:49:03,850 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2023-08-18 16:49:03,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:03,850 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:03,851 INFO L229 MonitoredProcess]: Starting monitored process 35 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) [2023-08-18 16:49:03,854 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2023-08-18 16:49:03,855 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-08-18 16:49:03,861 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-08-18 16:49:03,861 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-08-18 16:49:03,861 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-08-18 16:49:03,861 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-08-18 16:49:03,861 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-08-18 16:49:03,862 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-08-18 16:49:03,862 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-08-18 16:49:03,863 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-08-18 16:49:03,868 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2023-08-18 16:49:03,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:03,869 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:03,870 INFO L229 MonitoredProcess]: Starting monitored process 36 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) [2023-08-18 16:49:03,872 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2023-08-18 16:49:03,874 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-08-18 16:49:03,880 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-08-18 16:49:03,880 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-08-18 16:49:03,880 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-08-18 16:49:03,880 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-08-18 16:49:03,882 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-08-18 16:49:03,882 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-08-18 16:49:03,884 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-08-18 16:49:03,887 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2023-08-18 16:49:03,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:03,888 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:03,889 INFO L229 MonitoredProcess]: Starting monitored process 37 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) [2023-08-18 16:49:03,891 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2023-08-18 16:49:03,892 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-08-18 16:49:03,898 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-08-18 16:49:03,898 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-08-18 16:49:03,898 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-08-18 16:49:03,898 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-08-18 16:49:03,898 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-08-18 16:49:03,899 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-08-18 16:49:03,899 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-08-18 16:49:03,900 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-08-18 16:49:03,903 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2023-08-18 16:49:03,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:03,903 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:03,904 INFO L229 MonitoredProcess]: Starting monitored process 38 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) [2023-08-18 16:49:03,905 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2023-08-18 16:49:03,907 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-08-18 16:49:03,913 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-08-18 16:49:03,913 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-08-18 16:49:03,913 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-08-18 16:49:03,913 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-08-18 16:49:03,913 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-08-18 16:49:03,914 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-08-18 16:49:03,914 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-08-18 16:49:03,924 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-08-18 16:49:03,929 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2023-08-18 16:49:03,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:03,929 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:03,930 INFO L229 MonitoredProcess]: Starting monitored process 39 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) [2023-08-18 16:49:03,930 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2023-08-18 16:49:03,934 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-08-18 16:49:03,939 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-08-18 16:49:03,940 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-08-18 16:49:03,940 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-08-18 16:49:03,940 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-08-18 16:49:03,941 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-08-18 16:49:03,941 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-08-18 16:49:03,947 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-08-18 16:49:03,949 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2023-08-18 16:49:03,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:03,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:03,950 INFO L229 MonitoredProcess]: Starting monitored process 40 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) [2023-08-18 16:49:03,951 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2023-08-18 16:49:03,954 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-08-18 16:49:03,960 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-08-18 16:49:03,960 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-08-18 16:49:03,960 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-08-18 16:49:03,960 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-08-18 16:49:03,960 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-08-18 16:49:03,961 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-08-18 16:49:03,961 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-08-18 16:49:03,970 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-08-18 16:49:03,972 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-08-18 16:49:03,973 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-08-18 16:49:03,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:03,973 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:03,974 INFO L229 MonitoredProcess]: Starting monitored process 41 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) [2023-08-18 16:49:03,979 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2023-08-18 16:49:03,979 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-08-18 16:49:03,979 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-08-18 16:49:03,979 INFO L513 LassoAnalysis]: Proved termination. [2023-08-18 16:49:03,979 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(thread2Thread1of1ForFork1_~i~1#1, ~N~0) = -1*thread2Thread1of1ForFork1_~i~1#1 + 1*~N~0 Supporting invariants [] [2023-08-18 16:49:03,982 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2023-08-18 16:49:03,983 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-08-18 16:49:04,000 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-18 16:49:04,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-18 16:49:04,025 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 2 conjunts are in the unsatisfiable core [2023-08-18 16:49:04,026 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-08-18 16:49:04,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-18 16:49:04,065 INFO L262 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 5 conjunts are in the unsatisfiable core [2023-08-18 16:49:04,066 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-08-18 16:49:04,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-18 16:49:04,115 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2023-08-18 16:49:04,115 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 944 states and 2763 transitions. cyclomatic complexity: 1900 Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-18 16:49:04,205 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 944 states and 2763 transitions. cyclomatic complexity: 1900. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 2274 states and 6482 transitions. Complement of second has 9 states. [2023-08-18 16:49:04,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2023-08-18 16:49:04,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-18 16:49:04,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 110 transitions. [2023-08-18 16:49:04,207 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 110 transitions. Stem has 30 letters. Loop has 5 letters. [2023-08-18 16:49:04,207 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-08-18 16:49:04,207 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 110 transitions. Stem has 35 letters. Loop has 5 letters. [2023-08-18 16:49:04,207 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-08-18 16:49:04,207 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 110 transitions. Stem has 30 letters. Loop has 10 letters. [2023-08-18 16:49:04,207 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-08-18 16:49:04,207 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2274 states and 6482 transitions. [2023-08-18 16:49:04,255 INFO L131 ngComponentsAnalysis]: Automaton has 35 accepting balls. 175 [2023-08-18 16:49:04,265 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2274 states to 1214 states and 3493 transitions. [2023-08-18 16:49:04,266 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 530 [2023-08-18 16:49:04,266 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 541 [2023-08-18 16:49:04,266 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1214 states and 3493 transitions. [2023-08-18 16:49:04,267 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-08-18 16:49:04,267 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1214 states and 3493 transitions. [2023-08-18 16:49:04,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1214 states and 3493 transitions. [2023-08-18 16:49:04,273 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2023-08-18 16:49:04,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1214 to 960. [2023-08-18 16:49:04,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 960 states, 960 states have (on average 2.915625) internal successors, (2799), 959 states have internal predecessors, (2799), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-18 16:49:04,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 960 states to 960 states and 2799 transitions. [2023-08-18 16:49:04,290 INFO L240 hiAutomatonCegarLoop]: Abstraction has 960 states and 2799 transitions. [2023-08-18 16:49:04,290 INFO L428 stractBuchiCegarLoop]: Abstraction has 960 states and 2799 transitions. [2023-08-18 16:49:04,290 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-08-18 16:49:04,290 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 960 states and 2799 transitions. [2023-08-18 16:49:04,296 INFO L131 ngComponentsAnalysis]: Automaton has 35 accepting balls. 175 [2023-08-18 16:49:04,296 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-08-18 16:49:04,296 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-08-18 16:49:04,297 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] [2023-08-18 16:49:04,297 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2023-08-18 16:49:04,298 INFO L748 eck$LassoCheckResult]: Stem: 13318#[$Ultimate##0]don't care [148] $Ultimate##0-->L-1: Formula: (and (= |v_#NULL.base_1| 0) (= |v_#NULL.offset_1| 0)) InVars {} OutVars{#NULL.offset=|v_#NULL.offset_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[#NULL.offset, #NULL.base] 13320#[L-1]don't care [151] L-1-->L-1-1: Formula: (= 0 (select |v_#valid_13| 0)) InVars {#valid=|v_#valid_13|} OutVars{#valid=|v_#valid_13|} AuxVars[] AssignedVars[] 13362#[L-1-1]don't care [165] L-1-1-->L21: Formula: (< 0 |v_#StackHeapBarrier_3|) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_3|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_3|} AuxVars[] AssignedVars[] 13116#[L21]don't care [147] L21-->L21-1: Formula: (and (= (select |v_#length_9| 1) 2) (= (select |v_#valid_14| 1) 1)) InVars {#length=|v_#length_9|, #valid=|v_#valid_14|} OutVars{#length=|v_#length_9|, #valid=|v_#valid_14|} AuxVars[] AssignedVars[] 13118#[L21-1]don't care [158] L21-1-->L21-2: Formula: (= (select (select |v_#memory_int_7| 1) 0) 48) InVars {#memory_int=|v_#memory_int_7|} OutVars{#memory_int=|v_#memory_int_7|} AuxVars[] AssignedVars[] 13376#[L21-2]don't care [157] L21-2-->L21-3: Formula: (= (select (select |v_#memory_int_8| 1) 1) 0) InVars {#memory_int=|v_#memory_int_8|} OutVars{#memory_int=|v_#memory_int_8|} AuxVars[] AssignedVars[] 13378#[L21-3]don't care [136] L21-3-->L21-4: Formula: (and (= 21 (select |v_#length_10| 2)) (= (select |v_#valid_15| 2) 1)) InVars {#length=|v_#length_10|, #valid=|v_#valid_15|} OutVars{#length=|v_#length_10|, #valid=|v_#valid_15|} AuxVars[] AssignedVars[] 12886#[L21-4]don't care [178] L21-4-->L38: Formula: (= v_~N~0_6 0) InVars {} OutVars{~N~0=v_~N~0_6} AuxVars[] AssignedVars[~N~0] 12888#[L38]don't care [179] L38-->L-1-2: Formula: (= v_~counter~0_7 0) InVars {} OutVars{~counter~0=v_~counter~0_7} AuxVars[] AssignedVars[~counter~0] 13412#[L-1-2]don't care [167] L-1-2-->L-1-3: Formula: true InVars {} OutVars{ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_3|} AuxVars[] AssignedVars[ULTIMATE.start_main_#res#1] 13540#[L-1-3]don't care [172] L-1-3-->L62: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_4|, ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_2|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_6|, ULTIMATE.start_main_#t~nondet5#1=|v_ULTIMATE.start_main_#t~nondet5#1_4|, ULTIMATE.start_main_#t~nondet7#1=|v_ULTIMATE.start_main_#t~nondet7#1_2|, ULTIMATE.start_main_#t~mem11#1=|v_ULTIMATE.start_main_#t~mem11#1_3|, ULTIMATE.start_main_#t~pre8#1=|v_ULTIMATE.start_main_#t~pre8#1_4|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_6|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_6|, ULTIMATE.start_main_#t~mem10#1=|v_ULTIMATE.start_main_#t~mem10#1_3|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_6|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre6#1, ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_#t~nondet5#1, ULTIMATE.start_main_#t~nondet7#1, ULTIMATE.start_main_#t~mem11#1, ULTIMATE.start_main_#t~pre8#1, ULTIMATE.start_main_~#t1~0#1.base, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~mem10#1, ULTIMATE.start_main_~#t2~0#1.base] 13542#[L62]don't care [173] L62-->L62-1: Formula: (and (= (select |v_#valid_2| |v_ULTIMATE.start_main_~#t1~0#1.base_1|) 0) (not (= |v_ULTIMATE.start_main_~#t1~0#1.base_1| 0)) (= (store |v_#length_2| |v_ULTIMATE.start_main_~#t1~0#1.base_1| 4) |v_#length_1|) (< |v_#StackHeapBarrier_1| |v_ULTIMATE.start_main_~#t1~0#1.base_1|) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_1| 0) (= |v_#valid_1| (store |v_#valid_2| |v_ULTIMATE.start_main_~#t1~0#1.base_1| 1))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_2|, #valid=|v_#valid_2|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_1|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_1|, #valid=|v_#valid_1|} AuxVars[] AssignedVars[#valid, #length, ULTIMATE.start_main_~#t1~0#1.base, ULTIMATE.start_main_~#t1~0#1.offset] 13388#[L62-1]don't care [162] L62-1-->L62-2: Formula: (and (= (store |v_#length_4| |v_ULTIMATE.start_main_~#t2~0#1.base_1| 4) |v_#length_3|) (= (select |v_#valid_4| |v_ULTIMATE.start_main_~#t2~0#1.base_1|) 0) (< |v_#StackHeapBarrier_2| |v_ULTIMATE.start_main_~#t2~0#1.base_1|) (not (= |v_ULTIMATE.start_main_~#t2~0#1.base_1| 0)) (= (store |v_#valid_4| |v_ULTIMATE.start_main_~#t2~0#1.base_1| 1) |v_#valid_3|) (= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_1|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_2|, #length=|v_#length_4|, #valid=|v_#valid_4|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_2|, #length=|v_#length_3|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_1|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_1|, #valid=|v_#valid_3|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2~0#1.offset, #valid, #length, ULTIMATE.start_main_~#t2~0#1.base] 13310#[L62-2]don't care [146] L62-2-->L64: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet5#1=|v_ULTIMATE.start_main_#t~nondet5#1_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet5#1] 13286#[L64]don't care [137] L64-->L64-1: Formula: (= |v_ULTIMATE.start_main_#t~nondet5#1_2| v_~N~0_5) InVars {ULTIMATE.start_main_#t~nondet5#1=|v_ULTIMATE.start_main_#t~nondet5#1_2|} OutVars{ULTIMATE.start_main_#t~nondet5#1=|v_ULTIMATE.start_main_#t~nondet5#1_2|, ~N~0=v_~N~0_5} AuxVars[] AssignedVars[~N~0] 13288#[L64-1]don't care [166] L64-1-->L67: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet5#1=|v_ULTIMATE.start_main_#t~nondet5#1_3|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet5#1] 13522#[L67]don't care [163] L67-->L67-1: Formula: (= |v_ULTIMATE.start_main_#t~pre6#1_1| |v_#pthreadsForks_1|) InVars {#pthreadsForks=|v_#pthreadsForks_1|} OutVars{#pthreadsForks=|v_#pthreadsForks_1|, ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre6#1] 13100#[L67-1]don't care [140] L67-1-->L67-2: Formula: (= (+ 1 |v_#pthreadsForks_3|) |v_#pthreadsForks_2|) InVars {#pthreadsForks=|v_#pthreadsForks_3|} OutVars{#pthreadsForks=|v_#pthreadsForks_2|} AuxVars[] AssignedVars[#pthreadsForks] 13102#[L67-2]don't care [130] L67-2-->L67-3: Formula: (and (<= (+ |v_ULTIMATE.start_main_~#t1~0#1.offset_2| 4) (select |v_#length_5| |v_ULTIMATE.start_main_~#t1~0#1.base_2|)) (= (select |v_#valid_5| |v_ULTIMATE.start_main_~#t1~0#1.base_2|) 1) (<= 0 |v_ULTIMATE.start_main_~#t1~0#1.offset_2|) (= (store |v_#memory_int_2| |v_ULTIMATE.start_main_~#t1~0#1.base_2| (store (select |v_#memory_int_2| |v_ULTIMATE.start_main_~#t1~0#1.base_2|) |v_ULTIMATE.start_main_~#t1~0#1.offset_2| |v_ULTIMATE.start_main_#t~pre6#1_2|)) |v_#memory_int_1|)) InVars {ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_2|, #valid=|v_#valid_5|, #memory_int=|v_#memory_int_2|, #length=|v_#length_5|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_2|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_2|} OutVars{ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_2|, #valid=|v_#valid_5|, #memory_int=|v_#memory_int_1|, #length=|v_#length_5|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_2|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_2|} AuxVars[] AssignedVars[#memory_int] 13026#[L67-3]don't care [206] L67-3-->$Ultimate##0: Formula: (and (= |v_ULTIMATE.start_main_#t~pre6#1_6| v_thread1Thread1of1ForFork0_thidvar0_2) (= v_thread1Thread1of1ForFork0_thidvar1_2 0)) InVars {ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_6|} OutVars{ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_6|, thread1Thread1of1ForFork0_#res.base=|v_thread1Thread1of1ForFork0_#res.base_4|, thread1Thread1of1ForFork0_#t~post1=|v_thread1Thread1of1ForFork0_#t~post1_8|, thread1Thread1of1ForFork0_#t~post2=|v_thread1Thread1of1ForFork0_#t~post2_4|, thread1Thread1of1ForFork0_~i~0=v_thread1Thread1of1ForFork0_~i~0_12, thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2, thread1Thread1of1ForFork0_#res.offset=|v_thread1Thread1of1ForFork0_#res.offset_4|, thread1Thread1of1ForFork0_thidvar1=v_thread1Thread1of1ForFork0_thidvar1_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#res.base, thread1Thread1of1ForFork0_#t~post1, thread1Thread1of1ForFork0_#t~post2, thread1Thread1of1ForFork0_~i~0, thread1Thread1of1ForFork0_thidvar0, thread1Thread1of1ForFork0_#res.offset, thread1Thread1of1ForFork0_thidvar1] 13028#[L67-4, $Ultimate##0]don't care [184] $Ultimate##0-->L41-4: Formula: (= v_thread1Thread1of1ForFork0_~i~0_1 0) InVars {} OutVars{thread1Thread1of1ForFork0_~i~0=v_thread1Thread1of1ForFork0_~i~0_1} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_~i~0] 13080#[L41-4, L67-4]don't care [185] L41-4-->L42: Formula: (< v_thread1Thread1of1ForFork0_~i~0_3 v_~N~0_2) InVars {thread1Thread1of1ForFork0_~i~0=v_thread1Thread1of1ForFork0_~i~0_3, ~N~0=v_~N~0_2} OutVars{thread1Thread1of1ForFork0_~i~0=v_thread1Thread1of1ForFork0_~i~0_3, ~N~0=v_~N~0_2} AuxVars[] AssignedVars[] 13082#[L42, L67-4]don't care [159] L67-4-->L67-5: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_3|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre6#1] 13300#[L42, L67-5]don't care [122] L67-5-->L68: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet7#1=|v_ULTIMATE.start_main_#t~nondet7#1_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet7#1] 12336#[L42, L68]don't care [164] L68-->L68-1: Formula: (= |v_ULTIMATE.start_main_#t~pre8#1_1| |v_#pthreadsForks_4|) InVars {#pthreadsForks=|v_#pthreadsForks_4|} OutVars{#pthreadsForks=|v_#pthreadsForks_4|, ULTIMATE.start_main_#t~pre8#1=|v_ULTIMATE.start_main_#t~pre8#1_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre8#1] 13190#[L42, L68-1]don't care [139] L68-1-->L68-2: Formula: (= (+ 1 |v_#pthreadsForks_6|) |v_#pthreadsForks_5|) InVars {#pthreadsForks=|v_#pthreadsForks_6|} OutVars{#pthreadsForks=|v_#pthreadsForks_5|} AuxVars[] AssignedVars[#pthreadsForks] 12780#[L42, L68-2]don't care [126] L68-2-->L68-3: Formula: (and (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_2|) (= (select |v_#valid_6| |v_ULTIMATE.start_main_~#t2~0#1.base_2|) 1) (= (store |v_#memory_int_4| |v_ULTIMATE.start_main_~#t2~0#1.base_2| (store (select |v_#memory_int_4| |v_ULTIMATE.start_main_~#t2~0#1.base_2|) |v_ULTIMATE.start_main_~#t2~0#1.offset_2| |v_ULTIMATE.start_main_#t~pre8#1_2|)) |v_#memory_int_3|) (<= (+ 4 |v_ULTIMATE.start_main_~#t2~0#1.offset_2|) (select |v_#length_6| |v_ULTIMATE.start_main_~#t2~0#1.base_2|))) InVars {ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_2|, #valid=|v_#valid_6|, #memory_int=|v_#memory_int_4|, ULTIMATE.start_main_#t~pre8#1=|v_ULTIMATE.start_main_#t~pre8#1_2|, #length=|v_#length_6|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_2|} OutVars{ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_2|, #valid=|v_#valid_6|, #memory_int=|v_#memory_int_3|, ULTIMATE.start_main_#t~pre8#1=|v_ULTIMATE.start_main_#t~pre8#1_2|, #length=|v_#length_6|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_2|} AuxVars[] AssignedVars[#memory_int] 13472#[L42, L68-3]don't care [209] L68-3-->$Ultimate##0: Formula: (and (= |v_ULTIMATE.start_main_#t~pre8#1_6| v_thread2Thread1of1ForFork1_thidvar0_2) (= 0 v_thread2Thread1of1ForFork1_thidvar1_2) (= 0 v_thread2Thread1of1ForFork1_thidvar2_2)) InVars {ULTIMATE.start_main_#t~pre8#1=|v_ULTIMATE.start_main_#t~pre8#1_6|} OutVars{thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1_4|, thread2Thread1of1ForFork1_#res#1.base=|v_thread2Thread1of1ForFork1_#res#1.base_4|, thread2Thread1of1ForFork1_#t~post4#1=|v_thread2Thread1of1ForFork1_#t~post4#1_4|, thread2Thread1of1ForFork1_#res#1.offset=|v_thread2Thread1of1ForFork1_#res#1.offset_4|, thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_4|, ULTIMATE.start_main_#t~pre8#1=|v_ULTIMATE.start_main_#t~pre8#1_6|, thread2Thread1of1ForFork1_#t~post3#1=|v_thread2Thread1of1ForFork1_#t~post3#1_8|, thread2Thread1of1ForFork1_~i~1#1=|v_thread2Thread1of1ForFork1_~i~1#1_12|, thread2Thread1of1ForFork1_thidvar2=v_thread2Thread1of1ForFork1_thidvar2_2, thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork1_#res#1.base, thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#res#1.offset, thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork1_#t~post3#1, thread2Thread1of1ForFork1_~i~1#1, thread2Thread1of1ForFork1_thidvar2, thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1] 12558#[L68-4, $Ultimate##0, L42]don't care [194] $Ultimate##0-->L51-4: Formula: (= |v_thread2Thread1of1ForFork1_~i~1#1_1| 0) InVars {} OutVars{thread2Thread1of1ForFork1_~i~1#1=|v_thread2Thread1of1ForFork1_~i~1#1_1|} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_~i~1#1] 13228#[L68-4, L42, L51-4]don't care [195] L51-4-->L52: Formula: (< |v_thread2Thread1of1ForFork1_~i~1#1_3| v_~N~0_4) InVars {thread2Thread1of1ForFork1_~i~1#1=|v_thread2Thread1of1ForFork1_~i~1#1_3|, ~N~0=v_~N~0_4} OutVars{thread2Thread1of1ForFork1_~i~1#1=|v_thread2Thread1of1ForFork1_~i~1#1_3|, ~N~0=v_~N~0_4} AuxVars[] AssignedVars[] 12972#[L68-4, L52, L42]don't care [188] L42-->L44: Formula: (= (+ v_~counter~0_13 1) v_~counter~0_12) InVars {~counter~0=v_~counter~0_13} OutVars{~counter~0=v_~counter~0_12, thread1Thread1of1ForFork0_#t~post2=|v_thread1Thread1of1ForFork0_#t~post2_1|} AuxVars[] AssignedVars[~counter~0, thread1Thread1of1ForFork0_#t~post2] 12844#[L44, L68-4, L52]don't care [2023-08-18 16:49:04,298 INFO L750 eck$LassoCheckResult]: Loop: 12844#[L44, L68-4, L52]don't care [198] L52-->L55: Formula: (and (not (= |v_thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1_1| 0)) (= (ite (< 0 v_~counter~0_29) 1 0) |v_thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_1|) (= |v_thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_1| |v_thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1_1|) (= (+ v_~counter~0_28 1) v_~counter~0_29)) InVars {~counter~0=v_~counter~0_29} OutVars{thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1_1|, ~counter~0=v_~counter~0_28, thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_1|, thread2Thread1of1ForFork1_#t~post4#1=|v_thread2Thread1of1ForFork1_#t~post4#1_1|} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1, ~counter~0, thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1] 12848#[L44, L55, L68-4]don't care [200] L55-->L51-2: Formula: (= |v_thread2Thread1of1ForFork1_~i~1#1_7| |v_thread2Thread1of1ForFork1_#t~post3#1_1|) InVars {thread2Thread1of1ForFork1_~i~1#1=|v_thread2Thread1of1ForFork1_~i~1#1_7|} OutVars{thread2Thread1of1ForFork1_#t~post3#1=|v_thread2Thread1of1ForFork1_#t~post3#1_1|, thread2Thread1of1ForFork1_~i~1#1=|v_thread2Thread1of1ForFork1_~i~1#1_7|} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_#t~post3#1] 12578#[L44, L68-4, L51-2]don't care [202] L51-2-->L51-3: Formula: (= |v_thread2Thread1of1ForFork1_~i~1#1_9| (+ |v_thread2Thread1of1ForFork1_#t~post3#1_3| 1)) InVars {thread2Thread1of1ForFork1_#t~post3#1=|v_thread2Thread1of1ForFork1_#t~post3#1_3|} OutVars{thread2Thread1of1ForFork1_#t~post3#1=|v_thread2Thread1of1ForFork1_#t~post3#1_3|, thread2Thread1of1ForFork1_~i~1#1=|v_thread2Thread1of1ForFork1_~i~1#1_9|} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_~i~1#1] 12582#[L44, L51-3, L68-4]don't care [203] L51-3-->L51-4: Formula: true InVars {} OutVars{thread2Thread1of1ForFork1_#t~post3#1=|v_thread2Thread1of1ForFork1_#t~post3#1_5|} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_#t~post3#1] 13152#[L44, L68-4, L51-4]don't care [195] L51-4-->L52: Formula: (< |v_thread2Thread1of1ForFork1_~i~1#1_3| v_~N~0_4) InVars {thread2Thread1of1ForFork1_~i~1#1=|v_thread2Thread1of1ForFork1_~i~1#1_3|, ~N~0=v_~N~0_4} OutVars{thread2Thread1of1ForFork1_~i~1#1=|v_thread2Thread1of1ForFork1_~i~1#1_3|, ~N~0=v_~N~0_4} AuxVars[] AssignedVars[] 12844#[L44, L68-4, L52]don't care [2023-08-18 16:49:04,298 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-18 16:49:04,298 INFO L85 PathProgramCache]: Analyzing trace with hash 1015118227, now seen corresponding path program 1 times [2023-08-18 16:49:04,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-18 16:49:04,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760496330] [2023-08-18 16:49:04,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-18 16:49:04,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-18 16:49:04,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-18 16:49:04,309 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-18 16:49:04,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-18 16:49:04,317 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-18 16:49:04,318 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-18 16:49:04,318 INFO L85 PathProgramCache]: Analyzing trace with hash 217645119, now seen corresponding path program 3 times [2023-08-18 16:49:04,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-18 16:49:04,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904155418] [2023-08-18 16:49:04,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-18 16:49:04,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-18 16:49:04,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-18 16:49:04,321 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-18 16:49:04,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-18 16:49:04,323 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-18 16:49:04,324 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-18 16:49:04,324 INFO L85 PathProgramCache]: Analyzing trace with hash -325144083, now seen corresponding path program 2 times [2023-08-18 16:49:04,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-18 16:49:04,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201977160] [2023-08-18 16:49:04,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-18 16:49:04,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-18 16:49:04,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-18 16:49:04,334 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-18 16:49:04,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-18 16:49:04,344 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-18 16:49:04,381 INFO L210 LassoAnalysis]: Preferences: [2023-08-18 16:49:04,382 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-08-18 16:49:04,382 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-08-18 16:49:04,382 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-08-18 16:49:04,382 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-08-18 16:49:04,382 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:04,382 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-08-18 16:49:04,382 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-08-18 16:49:04,382 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-figure1.wvr.c_BEv2_Iteration4_Loop [2023-08-18 16:49:04,382 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-08-18 16:49:04,382 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-08-18 16:49:04,383 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:04,385 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:04,387 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:04,389 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:04,391 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:04,393 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:04,395 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:04,399 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:04,403 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:04,405 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:04,471 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-08-18 16:49:04,472 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-08-18 16:49:04,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:04,472 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:04,473 INFO L229 MonitoredProcess]: Starting monitored process 42 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) [2023-08-18 16:49:04,483 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2023-08-18 16:49:04,484 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-08-18 16:49:04,484 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-08-18 16:49:04,491 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-08-18 16:49:04,491 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread2Thread1of1ForFork1_#t~post3#1=0} Honda state: {thread2Thread1of1ForFork1_#t~post3#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-08-18 16:49:04,493 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2023-08-18 16:49:04,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:04,494 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:04,495 INFO L229 MonitoredProcess]: Starting monitored process 43 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) [2023-08-18 16:49:04,502 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2023-08-18 16:49:04,502 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-08-18 16:49:04,503 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-08-18 16:49:04,514 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-08-18 16:49:04,514 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.base_7=-1} Honda state: {v_rep#funAddr~thread1.base_7=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-08-18 16:49:04,516 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2023-08-18 16:49:04,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:04,517 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:04,517 INFO L229 MonitoredProcess]: Starting monitored process 44 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) [2023-08-18 16:49:04,521 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2023-08-18 16:49:04,523 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-08-18 16:49:04,523 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-08-18 16:49:04,534 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-08-18 16:49:04,535 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.base_7=-1} Honda state: {v_rep#funAddr~thread2.base_7=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-08-18 16:49:04,537 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2023-08-18 16:49:04,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:04,538 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:04,538 INFO L229 MonitoredProcess]: Starting monitored process 45 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) [2023-08-18 16:49:04,540 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2023-08-18 16:49:04,542 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-08-18 16:49:04,542 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-08-18 16:49:04,550 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-08-18 16:49:04,550 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=1} Honda state: {thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-08-18 16:49:04,553 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2023-08-18 16:49:04,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:04,554 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:04,554 INFO L229 MonitoredProcess]: Starting monitored process 46 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) [2023-08-18 16:49:04,556 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2023-08-18 16:49:04,558 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-08-18 16:49:04,558 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-08-18 16:49:04,565 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-08-18 16:49:04,565 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1=1} Honda state: {thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-08-18 16:49:04,568 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2023-08-18 16:49:04,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:04,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:04,569 INFO L229 MonitoredProcess]: Starting monitored process 47 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) [2023-08-18 16:49:04,577 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-08-18 16:49:04,577 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-08-18 16:49:04,591 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2023-08-18 16:49:04,605 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-08-18 16:49:04,605 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.offset_7=0} Honda state: {v_rep#funAddr~thread1.offset_7=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-08-18 16:49:04,608 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2023-08-18 16:49:04,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:04,609 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:04,609 INFO L229 MonitoredProcess]: Starting monitored process 48 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) [2023-08-18 16:49:04,617 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2023-08-18 16:49:04,618 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-08-18 16:49:04,618 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-08-18 16:49:04,643 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2023-08-18 16:49:04,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:04,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:04,645 INFO L229 MonitoredProcess]: Starting monitored process 49 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) [2023-08-18 16:49:04,646 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2023-08-18 16:49:04,648 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-08-18 16:49:04,648 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-08-18 16:49:04,851 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-08-18 16:49:04,855 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2023-08-18 16:49:04,855 INFO L210 LassoAnalysis]: Preferences: [2023-08-18 16:49:04,855 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-08-18 16:49:04,855 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-08-18 16:49:04,855 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-08-18 16:49:04,855 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-08-18 16:49:04,855 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:04,855 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-08-18 16:49:04,855 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-08-18 16:49:04,855 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-figure1.wvr.c_BEv2_Iteration4_Loop [2023-08-18 16:49:04,855 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-08-18 16:49:04,855 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-08-18 16:49:04,856 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:04,862 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:04,866 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:04,868 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:04,871 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:04,873 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:04,878 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:04,880 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:04,885 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:04,887 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:04,961 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-08-18 16:49:04,962 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-08-18 16:49:04,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:04,962 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:04,963 INFO L229 MonitoredProcess]: Starting monitored process 50 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) [2023-08-18 16:49:04,974 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-08-18 16:49:04,976 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2023-08-18 16:49:04,981 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-08-18 16:49:04,981 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-08-18 16:49:04,981 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-08-18 16:49:04,981 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-08-18 16:49:04,983 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-08-18 16:49:04,983 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-08-18 16:49:04,998 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-08-18 16:49:05,002 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2023-08-18 16:49:05,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:05,003 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:05,004 INFO L229 MonitoredProcess]: Starting monitored process 51 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) [2023-08-18 16:49:05,009 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-08-18 16:49:05,017 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-08-18 16:49:05,017 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-08-18 16:49:05,017 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-08-18 16:49:05,017 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-08-18 16:49:05,019 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-08-18 16:49:05,019 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-08-18 16:49:05,022 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2023-08-18 16:49:05,033 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-08-18 16:49:05,037 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2023-08-18 16:49:05,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:05,037 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:05,038 INFO L229 MonitoredProcess]: Starting monitored process 52 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) [2023-08-18 16:49:05,045 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-08-18 16:49:05,053 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-08-18 16:49:05,053 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-08-18 16:49:05,053 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-08-18 16:49:05,053 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-08-18 16:49:05,053 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-08-18 16:49:05,054 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-08-18 16:49:05,054 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-08-18 16:49:05,056 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2023-08-18 16:49:05,065 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-08-18 16:49:05,069 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2023-08-18 16:49:05,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:05,070 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:05,071 INFO L229 MonitoredProcess]: Starting monitored process 53 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) [2023-08-18 16:49:05,073 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2023-08-18 16:49:05,075 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-08-18 16:49:05,082 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-08-18 16:49:05,082 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-08-18 16:49:05,083 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-08-18 16:49:05,083 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-08-18 16:49:05,084 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-08-18 16:49:05,084 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-08-18 16:49:05,098 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-08-18 16:49:05,102 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2023-08-18 16:49:05,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:05,103 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:05,104 INFO L229 MonitoredProcess]: Starting monitored process 54 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) [2023-08-18 16:49:05,106 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2023-08-18 16:49:05,107 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-08-18 16:49:05,115 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-08-18 16:49:05,115 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-08-18 16:49:05,115 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-08-18 16:49:05,115 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-08-18 16:49:05,115 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-08-18 16:49:05,116 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-08-18 16:49:05,116 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-08-18 16:49:05,124 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-08-18 16:49:05,127 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2023-08-18 16:49:05,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:05,128 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:05,129 INFO L229 MonitoredProcess]: Starting monitored process 55 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) [2023-08-18 16:49:05,130 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2023-08-18 16:49:05,132 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-08-18 16:49:05,138 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-08-18 16:49:05,138 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-08-18 16:49:05,139 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-08-18 16:49:05,139 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-08-18 16:49:05,139 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-08-18 16:49:05,139 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-08-18 16:49:05,139 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-08-18 16:49:05,165 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-08-18 16:49:05,167 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-08-18 16:49:05,167 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-08-18 16:49:05,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:05,167 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:05,169 INFO L229 MonitoredProcess]: Starting monitored process 56 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) [2023-08-18 16:49:05,177 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-08-18 16:49:05,177 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-08-18 16:49:05,177 INFO L513 LassoAnalysis]: Proved termination. [2023-08-18 16:49:05,177 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(thread2Thread1of1ForFork1_~i~1#1, ~N~0) = -1*thread2Thread1of1ForFork1_~i~1#1 + 1*~N~0 Supporting invariants [] [2023-08-18 16:49:05,180 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2023-08-18 16:49:05,181 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2023-08-18 16:49:05,182 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-08-18 16:49:05,191 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-18 16:49:05,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-18 16:49:05,215 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 2 conjunts are in the unsatisfiable core [2023-08-18 16:49:05,215 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-08-18 16:49:05,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-18 16:49:05,250 INFO L262 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 5 conjunts are in the unsatisfiable core [2023-08-18 16:49:05,251 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-08-18 16:49:05,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-18 16:49:05,269 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2023-08-18 16:49:05,269 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 960 states and 2799 transitions. cyclomatic complexity: 1920 Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-18 16:49:05,357 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 960 states and 2799 transitions. cyclomatic complexity: 1920. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 1877 states and 5387 transitions. Complement of second has 11 states. [2023-08-18 16:49:05,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2023-08-18 16:49:05,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-18 16:49:05,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 120 transitions. [2023-08-18 16:49:05,359 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 120 transitions. Stem has 31 letters. Loop has 5 letters. [2023-08-18 16:49:05,359 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-08-18 16:49:05,359 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 120 transitions. Stem has 36 letters. Loop has 5 letters. [2023-08-18 16:49:05,359 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-08-18 16:49:05,359 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 120 transitions. Stem has 31 letters. Loop has 10 letters. [2023-08-18 16:49:05,359 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-08-18 16:49:05,359 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1877 states and 5387 transitions. [2023-08-18 16:49:05,377 INFO L131 ngComponentsAnalysis]: Automaton has 35 accepting balls. 175 [2023-08-18 16:49:05,385 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1877 states to 947 states and 2735 transitions. [2023-08-18 16:49:05,385 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 369 [2023-08-18 16:49:05,385 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 369 [2023-08-18 16:49:05,386 INFO L73 IsDeterministic]: Start isDeterministic. Operand 947 states and 2735 transitions. [2023-08-18 16:49:05,386 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-08-18 16:49:05,386 INFO L218 hiAutomatonCegarLoop]: Abstraction has 947 states and 2735 transitions. [2023-08-18 16:49:05,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 947 states and 2735 transitions. [2023-08-18 16:49:05,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 947 to 903. [2023-08-18 16:49:05,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 903 states, 903 states have (on average 2.892580287929125) internal successors, (2612), 902 states have internal predecessors, (2612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-18 16:49:05,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 903 states to 903 states and 2612 transitions. [2023-08-18 16:49:05,406 INFO L240 hiAutomatonCegarLoop]: Abstraction has 903 states and 2612 transitions. [2023-08-18 16:49:05,406 INFO L428 stractBuchiCegarLoop]: Abstraction has 903 states and 2612 transitions. [2023-08-18 16:49:05,406 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-08-18 16:49:05,407 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 903 states and 2612 transitions. [2023-08-18 16:49:05,411 INFO L131 ngComponentsAnalysis]: Automaton has 35 accepting balls. 175 [2023-08-18 16:49:05,411 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-08-18 16:49:05,411 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-08-18 16:49:05,412 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 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] [2023-08-18 16:49:05,412 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2023-08-18 16:49:05,413 INFO L748 eck$LassoCheckResult]: Stem: 17153#[$Ultimate##0]don't care [148] $Ultimate##0-->L-1: Formula: (and (= |v_#NULL.base_1| 0) (= |v_#NULL.offset_1| 0)) InVars {} OutVars{#NULL.offset=|v_#NULL.offset_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[#NULL.offset, #NULL.base] 17155#[L-1]don't care [151] L-1-->L-1-1: Formula: (= 0 (select |v_#valid_13| 0)) InVars {#valid=|v_#valid_13|} OutVars{#valid=|v_#valid_13|} AuxVars[] AssignedVars[] 17185#[L-1-1]don't care [165] L-1-1-->L21: Formula: (< 0 |v_#StackHeapBarrier_3|) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_3|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_3|} AuxVars[] AssignedVars[] 16967#[L21]don't care [147] L21-->L21-1: Formula: (and (= (select |v_#length_9| 1) 2) (= (select |v_#valid_14| 1) 1)) InVars {#length=|v_#length_9|, #valid=|v_#valid_14|} OutVars{#length=|v_#length_9|, #valid=|v_#valid_14|} AuxVars[] AssignedVars[] 16969#[L21-1]don't care [158] L21-1-->L21-2: Formula: (= (select (select |v_#memory_int_7| 1) 0) 48) InVars {#memory_int=|v_#memory_int_7|} OutVars{#memory_int=|v_#memory_int_7|} AuxVars[] AssignedVars[] 17191#[L21-2]don't care [157] L21-2-->L21-3: Formula: (= (select (select |v_#memory_int_8| 1) 1) 0) InVars {#memory_int=|v_#memory_int_8|} OutVars{#memory_int=|v_#memory_int_8|} AuxVars[] AssignedVars[] 17193#[L21-3]don't care [136] L21-3-->L21-4: Formula: (and (= 21 (select |v_#length_10| 2)) (= (select |v_#valid_15| 2) 1)) InVars {#length=|v_#length_10|, #valid=|v_#valid_15|} OutVars{#length=|v_#length_10|, #valid=|v_#valid_15|} AuxVars[] AssignedVars[] 16781#[L21-4]don't care [178] L21-4-->L38: Formula: (= v_~N~0_6 0) InVars {} OutVars{~N~0=v_~N~0_6} AuxVars[] AssignedVars[~N~0] 16783#[L38]don't care [179] L38-->L-1-2: Formula: (= v_~counter~0_7 0) InVars {} OutVars{~counter~0=v_~counter~0_7} AuxVars[] AssignedVars[~counter~0] 17217#[L-1-2]don't care [167] L-1-2-->L-1-3: Formula: true InVars {} OutVars{ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_3|} AuxVars[] AssignedVars[ULTIMATE.start_main_#res#1] 17313#[L-1-3]don't care [172] L-1-3-->L62: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_4|, ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_2|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_6|, ULTIMATE.start_main_#t~nondet5#1=|v_ULTIMATE.start_main_#t~nondet5#1_4|, ULTIMATE.start_main_#t~nondet7#1=|v_ULTIMATE.start_main_#t~nondet7#1_2|, ULTIMATE.start_main_#t~mem11#1=|v_ULTIMATE.start_main_#t~mem11#1_3|, ULTIMATE.start_main_#t~pre8#1=|v_ULTIMATE.start_main_#t~pre8#1_4|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_6|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_6|, ULTIMATE.start_main_#t~mem10#1=|v_ULTIMATE.start_main_#t~mem10#1_3|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_6|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre6#1, ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_#t~nondet5#1, ULTIMATE.start_main_#t~nondet7#1, ULTIMATE.start_main_#t~mem11#1, ULTIMATE.start_main_#t~pre8#1, ULTIMATE.start_main_~#t1~0#1.base, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~mem10#1, ULTIMATE.start_main_~#t2~0#1.base] 17315#[L62]don't care [173] L62-->L62-1: Formula: (and (= (select |v_#valid_2| |v_ULTIMATE.start_main_~#t1~0#1.base_1|) 0) (not (= |v_ULTIMATE.start_main_~#t1~0#1.base_1| 0)) (= (store |v_#length_2| |v_ULTIMATE.start_main_~#t1~0#1.base_1| 4) |v_#length_1|) (< |v_#StackHeapBarrier_1| |v_ULTIMATE.start_main_~#t1~0#1.base_1|) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_1| 0) (= |v_#valid_1| (store |v_#valid_2| |v_ULTIMATE.start_main_~#t1~0#1.base_1| 1))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_2|, #valid=|v_#valid_2|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_1|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_1|, #valid=|v_#valid_1|} AuxVars[] AssignedVars[#valid, #length, ULTIMATE.start_main_~#t1~0#1.base, ULTIMATE.start_main_~#t1~0#1.offset] 17203#[L62-1]don't care [162] L62-1-->L62-2: Formula: (and (= (store |v_#length_4| |v_ULTIMATE.start_main_~#t2~0#1.base_1| 4) |v_#length_3|) (= (select |v_#valid_4| |v_ULTIMATE.start_main_~#t2~0#1.base_1|) 0) (< |v_#StackHeapBarrier_2| |v_ULTIMATE.start_main_~#t2~0#1.base_1|) (not (= |v_ULTIMATE.start_main_~#t2~0#1.base_1| 0)) (= (store |v_#valid_4| |v_ULTIMATE.start_main_~#t2~0#1.base_1| 1) |v_#valid_3|) (= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_1|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_2|, #length=|v_#length_4|, #valid=|v_#valid_4|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_2|, #length=|v_#length_3|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_1|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_1|, #valid=|v_#valid_3|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2~0#1.offset, #valid, #length, ULTIMATE.start_main_~#t2~0#1.base] 17147#[L62-2]don't care [146] L62-2-->L64: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet5#1=|v_ULTIMATE.start_main_#t~nondet5#1_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet5#1] 17119#[L64]don't care [137] L64-->L64-1: Formula: (= |v_ULTIMATE.start_main_#t~nondet5#1_2| v_~N~0_5) InVars {ULTIMATE.start_main_#t~nondet5#1=|v_ULTIMATE.start_main_#t~nondet5#1_2|} OutVars{ULTIMATE.start_main_#t~nondet5#1=|v_ULTIMATE.start_main_#t~nondet5#1_2|, ~N~0=v_~N~0_5} AuxVars[] AssignedVars[~N~0] 17121#[L64-1]don't care [166] L64-1-->L67: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet5#1=|v_ULTIMATE.start_main_#t~nondet5#1_3|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet5#1] 17281#[L67]don't care [163] L67-->L67-1: Formula: (= |v_ULTIMATE.start_main_#t~pre6#1_1| |v_#pthreadsForks_1|) InVars {#pthreadsForks=|v_#pthreadsForks_1|} OutVars{#pthreadsForks=|v_#pthreadsForks_1|, ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre6#1] 16953#[L67-1]don't care [140] L67-1-->L67-2: Formula: (= (+ 1 |v_#pthreadsForks_3|) |v_#pthreadsForks_2|) InVars {#pthreadsForks=|v_#pthreadsForks_3|} OutVars{#pthreadsForks=|v_#pthreadsForks_2|} AuxVars[] AssignedVars[#pthreadsForks] 16955#[L67-2]don't care [130] L67-2-->L67-3: Formula: (and (<= (+ |v_ULTIMATE.start_main_~#t1~0#1.offset_2| 4) (select |v_#length_5| |v_ULTIMATE.start_main_~#t1~0#1.base_2|)) (= (select |v_#valid_5| |v_ULTIMATE.start_main_~#t1~0#1.base_2|) 1) (<= 0 |v_ULTIMATE.start_main_~#t1~0#1.offset_2|) (= (store |v_#memory_int_2| |v_ULTIMATE.start_main_~#t1~0#1.base_2| (store (select |v_#memory_int_2| |v_ULTIMATE.start_main_~#t1~0#1.base_2|) |v_ULTIMATE.start_main_~#t1~0#1.offset_2| |v_ULTIMATE.start_main_#t~pre6#1_2|)) |v_#memory_int_1|)) InVars {ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_2|, #valid=|v_#valid_5|, #memory_int=|v_#memory_int_2|, #length=|v_#length_5|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_2|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_2|} OutVars{ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_2|, #valid=|v_#valid_5|, #memory_int=|v_#memory_int_1|, #length=|v_#length_5|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_2|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_2|} AuxVars[] AssignedVars[#memory_int] 16887#[L67-3]don't care [206] L67-3-->$Ultimate##0: Formula: (and (= |v_ULTIMATE.start_main_#t~pre6#1_6| v_thread1Thread1of1ForFork0_thidvar0_2) (= v_thread1Thread1of1ForFork0_thidvar1_2 0)) InVars {ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_6|} OutVars{ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_6|, thread1Thread1of1ForFork0_#res.base=|v_thread1Thread1of1ForFork0_#res.base_4|, thread1Thread1of1ForFork0_#t~post1=|v_thread1Thread1of1ForFork0_#t~post1_8|, thread1Thread1of1ForFork0_#t~post2=|v_thread1Thread1of1ForFork0_#t~post2_4|, thread1Thread1of1ForFork0_~i~0=v_thread1Thread1of1ForFork0_~i~0_12, thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2, thread1Thread1of1ForFork0_#res.offset=|v_thread1Thread1of1ForFork0_#res.offset_4|, thread1Thread1of1ForFork0_thidvar1=v_thread1Thread1of1ForFork0_thidvar1_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#res.base, thread1Thread1of1ForFork0_#t~post1, thread1Thread1of1ForFork0_#t~post2, thread1Thread1of1ForFork0_~i~0, thread1Thread1of1ForFork0_thidvar0, thread1Thread1of1ForFork0_#res.offset, thread1Thread1of1ForFork0_thidvar1] 16889#[L67-4, $Ultimate##0]don't care [184] $Ultimate##0-->L41-4: Formula: (= v_thread1Thread1of1ForFork0_~i~0_1 0) InVars {} OutVars{thread1Thread1of1ForFork0_~i~0=v_thread1Thread1of1ForFork0_~i~0_1} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_~i~0] 16935#[L41-4, L67-4]don't care [185] L41-4-->L42: Formula: (< v_thread1Thread1of1ForFork0_~i~0_3 v_~N~0_2) InVars {thread1Thread1of1ForFork0_~i~0=v_thread1Thread1of1ForFork0_~i~0_3, ~N~0=v_~N~0_2} OutVars{thread1Thread1of1ForFork0_~i~0=v_thread1Thread1of1ForFork0_~i~0_3, ~N~0=v_~N~0_2} AuxVars[] AssignedVars[] 16937#[L42, L67-4]don't care [188] L42-->L44: Formula: (= (+ v_~counter~0_13 1) v_~counter~0_12) InVars {~counter~0=v_~counter~0_13} OutVars{~counter~0=v_~counter~0_12, thread1Thread1of1ForFork0_#t~post2=|v_thread1Thread1of1ForFork0_#t~post2_1|} AuxVars[] AssignedVars[~counter~0, thread1Thread1of1ForFork0_#t~post2] 17137#[L67-4, L44]don't care [190] L44-->L41-2: Formula: (= v_thread1Thread1of1ForFork0_~i~0_7 |v_thread1Thread1of1ForFork0_#t~post1_1|) InVars {thread1Thread1of1ForFork0_~i~0=v_thread1Thread1of1ForFork0_~i~0_7} OutVars{thread1Thread1of1ForFork0_~i~0=v_thread1Thread1of1ForFork0_~i~0_7, thread1Thread1of1ForFork0_#t~post1=|v_thread1Thread1of1ForFork0_#t~post1_1|} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#t~post1] 17129#[L67-4, L41-2]don't care [192] L41-2-->L41-3: Formula: (= v_thread1Thread1of1ForFork0_~i~0_9 (+ |v_thread1Thread1of1ForFork0_#t~post1_3| 1)) InVars {thread1Thread1of1ForFork0_#t~post1=|v_thread1Thread1of1ForFork0_#t~post1_3|} OutVars{thread1Thread1of1ForFork0_~i~0=v_thread1Thread1of1ForFork0_~i~0_9, thread1Thread1of1ForFork0_#t~post1=|v_thread1Thread1of1ForFork0_#t~post1_3|} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_~i~0] 17131#[L67-4, L41-3]don't care [193] L41-3-->L41-4: Formula: true InVars {} OutVars{thread1Thread1of1ForFork0_#t~post1=|v_thread1Thread1of1ForFork0_#t~post1_5|} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#t~post1] 17277#[L41-4, L67-4]don't care [185] L41-4-->L42: Formula: (< v_thread1Thread1of1ForFork0_~i~0_3 v_~N~0_2) InVars {thread1Thread1of1ForFork0_~i~0=v_thread1Thread1of1ForFork0_~i~0_3, ~N~0=v_~N~0_2} OutVars{thread1Thread1of1ForFork0_~i~0=v_thread1Thread1of1ForFork0_~i~0_3, ~N~0=v_~N~0_2} AuxVars[] AssignedVars[] 17133#[L42, L67-4]don't care [159] L67-4-->L67-5: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_3|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre6#1] 17135#[L42, L67-5]don't care [122] L67-5-->L68: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet7#1=|v_ULTIMATE.start_main_#t~nondet7#1_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet7#1] 17025#[L42, L68]don't care [164] L68-->L68-1: Formula: (= |v_ULTIMATE.start_main_#t~pre8#1_1| |v_#pthreadsForks_4|) InVars {#pthreadsForks=|v_#pthreadsForks_4|} OutVars{#pthreadsForks=|v_#pthreadsForks_4|, ULTIMATE.start_main_#t~pre8#1=|v_ULTIMATE.start_main_#t~pre8#1_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre8#1] 17027#[L42, L68-1]don't care [139] L68-1-->L68-2: Formula: (= (+ 1 |v_#pthreadsForks_6|) |v_#pthreadsForks_5|) InVars {#pthreadsForks=|v_#pthreadsForks_6|} OutVars{#pthreadsForks=|v_#pthreadsForks_5|} AuxVars[] AssignedVars[#pthreadsForks] 17249#[L42, L68-2]don't care [126] L68-2-->L68-3: Formula: (and (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_2|) (= (select |v_#valid_6| |v_ULTIMATE.start_main_~#t2~0#1.base_2|) 1) (= (store |v_#memory_int_4| |v_ULTIMATE.start_main_~#t2~0#1.base_2| (store (select |v_#memory_int_4| |v_ULTIMATE.start_main_~#t2~0#1.base_2|) |v_ULTIMATE.start_main_~#t2~0#1.offset_2| |v_ULTIMATE.start_main_#t~pre8#1_2|)) |v_#memory_int_3|) (<= (+ 4 |v_ULTIMATE.start_main_~#t2~0#1.offset_2|) (select |v_#length_6| |v_ULTIMATE.start_main_~#t2~0#1.base_2|))) InVars {ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_2|, #valid=|v_#valid_6|, #memory_int=|v_#memory_int_4|, ULTIMATE.start_main_#t~pre8#1=|v_ULTIMATE.start_main_#t~pre8#1_2|, #length=|v_#length_6|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_2|} OutVars{ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_2|, #valid=|v_#valid_6|, #memory_int=|v_#memory_int_3|, ULTIMATE.start_main_#t~pre8#1=|v_ULTIMATE.start_main_#t~pre8#1_2|, #length=|v_#length_6|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_2|} AuxVars[] AssignedVars[#memory_int] 16309#[L42, L68-3]don't care [209] L68-3-->$Ultimate##0: Formula: (and (= |v_ULTIMATE.start_main_#t~pre8#1_6| v_thread2Thread1of1ForFork1_thidvar0_2) (= 0 v_thread2Thread1of1ForFork1_thidvar1_2) (= 0 v_thread2Thread1of1ForFork1_thidvar2_2)) InVars {ULTIMATE.start_main_#t~pre8#1=|v_ULTIMATE.start_main_#t~pre8#1_6|} OutVars{thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1_4|, thread2Thread1of1ForFork1_#res#1.base=|v_thread2Thread1of1ForFork1_#res#1.base_4|, thread2Thread1of1ForFork1_#t~post4#1=|v_thread2Thread1of1ForFork1_#t~post4#1_4|, thread2Thread1of1ForFork1_#res#1.offset=|v_thread2Thread1of1ForFork1_#res#1.offset_4|, thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_4|, ULTIMATE.start_main_#t~pre8#1=|v_ULTIMATE.start_main_#t~pre8#1_6|, thread2Thread1of1ForFork1_#t~post3#1=|v_thread2Thread1of1ForFork1_#t~post3#1_8|, thread2Thread1of1ForFork1_~i~1#1=|v_thread2Thread1of1ForFork1_~i~1#1_12|, thread2Thread1of1ForFork1_thidvar2=v_thread2Thread1of1ForFork1_thidvar2_2, thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork1_#res#1.base, thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#res#1.offset, thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork1_#t~post3#1, thread2Thread1of1ForFork1_~i~1#1, thread2Thread1of1ForFork1_thidvar2, thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1] 16311#[L68-4, $Ultimate##0, L42]don't care [194] $Ultimate##0-->L51-4: Formula: (= |v_thread2Thread1of1ForFork1_~i~1#1_1| 0) InVars {} OutVars{thread2Thread1of1ForFork1_~i~1#1=|v_thread2Thread1of1ForFork1_~i~1#1_1|} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_~i~1#1] 17271#[L68-4, L42, L51-4]don't care [188] L42-->L44: Formula: (= (+ v_~counter~0_13 1) v_~counter~0_12) InVars {~counter~0=v_~counter~0_13} OutVars{~counter~0=v_~counter~0_12, thread1Thread1of1ForFork0_#t~post2=|v_thread1Thread1of1ForFork0_#t~post2_1|} AuxVars[] AssignedVars[~counter~0, thread1Thread1of1ForFork0_#t~post2] 17001#[L44, L68-4, L51-4]don't care [2023-08-18 16:49:05,413 INFO L750 eck$LassoCheckResult]: Loop: 17001#[L44, L68-4, L51-4]don't care [195] L51-4-->L52: Formula: (< |v_thread2Thread1of1ForFork1_~i~1#1_3| v_~N~0_4) InVars {thread2Thread1of1ForFork1_~i~1#1=|v_thread2Thread1of1ForFork1_~i~1#1_3|, ~N~0=v_~N~0_4} OutVars{thread2Thread1of1ForFork1_~i~1#1=|v_thread2Thread1of1ForFork1_~i~1#1_3|, ~N~0=v_~N~0_4} AuxVars[] AssignedVars[] 16743#[L44, L68-4, L52]don't care [198] L52-->L55: Formula: (and (not (= |v_thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1_1| 0)) (= (ite (< 0 v_~counter~0_29) 1 0) |v_thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_1|) (= |v_thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_1| |v_thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1_1|) (= (+ v_~counter~0_28 1) v_~counter~0_29)) InVars {~counter~0=v_~counter~0_29} OutVars{thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1_1|, ~counter~0=v_~counter~0_28, thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_1|, thread2Thread1of1ForFork1_#t~post4#1=|v_thread2Thread1of1ForFork1_#t~post4#1_1|} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1, ~counter~0, thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1] 16747#[L44, L55, L68-4]don't care [200] L55-->L51-2: Formula: (= |v_thread2Thread1of1ForFork1_~i~1#1_7| |v_thread2Thread1of1ForFork1_#t~post3#1_1|) InVars {thread2Thread1of1ForFork1_~i~1#1=|v_thread2Thread1of1ForFork1_~i~1#1_7|} OutVars{thread2Thread1of1ForFork1_#t~post3#1=|v_thread2Thread1of1ForFork1_#t~post3#1_1|, thread2Thread1of1ForFork1_~i~1#1=|v_thread2Thread1of1ForFork1_~i~1#1_7|} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_#t~post3#1] 16497#[L44, L68-4, L51-2]don't care [202] L51-2-->L51-3: Formula: (= |v_thread2Thread1of1ForFork1_~i~1#1_9| (+ |v_thread2Thread1of1ForFork1_#t~post3#1_3| 1)) InVars {thread2Thread1of1ForFork1_#t~post3#1=|v_thread2Thread1of1ForFork1_#t~post3#1_3|} OutVars{thread2Thread1of1ForFork1_#t~post3#1=|v_thread2Thread1of1ForFork1_#t~post3#1_3|, thread2Thread1of1ForFork1_~i~1#1=|v_thread2Thread1of1ForFork1_~i~1#1_9|} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_~i~1#1] 16501#[L44, L51-3, L68-4]don't care [203] L51-3-->L51-4: Formula: true InVars {} OutVars{thread2Thread1of1ForFork1_#t~post3#1=|v_thread2Thread1of1ForFork1_#t~post3#1_5|} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_#t~post3#1] 17001#[L44, L68-4, L51-4]don't care [2023-08-18 16:49:05,413 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-18 16:49:05,413 INFO L85 PathProgramCache]: Analyzing trace with hash 1869309842, now seen corresponding path program 1 times [2023-08-18 16:49:05,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-18 16:49:05,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302794244] [2023-08-18 16:49:05,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-18 16:49:05,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-18 16:49:05,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-18 16:49:05,423 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-18 16:49:05,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-18 16:49:05,432 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-18 16:49:05,432 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-18 16:49:05,433 INFO L85 PathProgramCache]: Analyzing trace with hash 214813029, now seen corresponding path program 4 times [2023-08-18 16:49:05,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-18 16:49:05,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321065311] [2023-08-18 16:49:05,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-18 16:49:05,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-18 16:49:05,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-18 16:49:05,436 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-18 16:49:05,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-18 16:49:05,438 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-18 16:49:05,439 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-18 16:49:05,439 INFO L85 PathProgramCache]: Analyzing trace with hash 1121547380, now seen corresponding path program 1 times [2023-08-18 16:49:05,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-18 16:49:05,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490800699] [2023-08-18 16:49:05,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-18 16:49:05,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-18 16:49:05,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-18 16:49:05,448 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-18 16:49:05,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-18 16:49:05,458 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-18 16:49:05,495 INFO L210 LassoAnalysis]: Preferences: [2023-08-18 16:49:05,495 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-08-18 16:49:05,495 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-08-18 16:49:05,495 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-08-18 16:49:05,495 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-08-18 16:49:05,495 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:05,495 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-08-18 16:49:05,495 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-08-18 16:49:05,495 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-figure1.wvr.c_BEv2_Iteration5_Loop [2023-08-18 16:49:05,495 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-08-18 16:49:05,496 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-08-18 16:49:05,497 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:05,499 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:05,501 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:05,503 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:05,507 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:05,509 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:05,511 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:05,513 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:05,515 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:05,519 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:05,579 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-08-18 16:49:05,579 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-08-18 16:49:05,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:05,579 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:05,580 INFO L229 MonitoredProcess]: Starting monitored process 57 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) [2023-08-18 16:49:05,589 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-08-18 16:49:05,589 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-08-18 16:49:05,598 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2023-08-18 16:49:05,606 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-08-18 16:49:05,606 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread2Thread1of1ForFork1_#t~post4#1=0} Honda state: {thread2Thread1of1ForFork1_#t~post4#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-08-18 16:49:05,610 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2023-08-18 16:49:05,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:05,610 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:05,611 INFO L229 MonitoredProcess]: Starting monitored process 58 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) [2023-08-18 16:49:05,614 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2023-08-18 16:49:05,615 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-08-18 16:49:05,615 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-08-18 16:49:05,642 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-08-18 16:49:05,643 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=1} Honda state: {thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-08-18 16:49:05,645 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2023-08-18 16:49:05,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:05,646 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:05,646 INFO L229 MonitoredProcess]: Starting monitored process 59 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) [2023-08-18 16:49:05,648 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2023-08-18 16:49:05,651 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-08-18 16:49:05,651 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-08-18 16:49:05,679 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-08-18 16:49:05,680 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.base_9=-1} Honda state: {v_rep#funAddr~thread2.base_9=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-08-18 16:49:05,682 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2023-08-18 16:49:05,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:05,683 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:05,683 INFO L229 MonitoredProcess]: Starting monitored process 60 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) [2023-08-18 16:49:05,701 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2023-08-18 16:49:05,702 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-08-18 16:49:05,705 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-08-18 16:49:05,713 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2023-08-18 16:49:05,719 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2023-08-18 16:49:05,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:05,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:05,720 INFO L229 MonitoredProcess]: Starting monitored process 61 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) [2023-08-18 16:49:05,722 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2023-08-18 16:49:05,723 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-08-18 16:49:05,723 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-08-18 16:49:05,739 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-08-18 16:49:05,741 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2023-08-18 16:49:05,741 INFO L210 LassoAnalysis]: Preferences: [2023-08-18 16:49:05,742 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-08-18 16:49:05,742 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-08-18 16:49:05,742 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-08-18 16:49:05,742 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-08-18 16:49:05,742 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:05,742 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-08-18 16:49:05,742 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-08-18 16:49:05,742 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-figure1.wvr.c_BEv2_Iteration5_Loop [2023-08-18 16:49:05,742 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-08-18 16:49:05,742 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-08-18 16:49:05,743 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:05,746 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:05,754 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:05,759 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:05,761 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:05,763 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:05,766 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:05,768 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:05,773 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:05,776 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:05,849 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-08-18 16:49:05,849 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-08-18 16:49:05,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:05,849 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:05,850 INFO L229 MonitoredProcess]: Starting monitored process 62 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) [2023-08-18 16:49:05,853 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2023-08-18 16:49:05,854 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-08-18 16:49:05,861 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-08-18 16:49:05,861 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-08-18 16:49:05,861 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-08-18 16:49:05,861 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-08-18 16:49:05,861 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-08-18 16:49:05,863 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-08-18 16:49:05,863 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-08-18 16:49:05,876 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-08-18 16:49:05,882 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2023-08-18 16:49:05,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:05,882 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:05,883 INFO L229 MonitoredProcess]: Starting monitored process 63 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) [2023-08-18 16:49:05,886 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2023-08-18 16:49:05,887 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-08-18 16:49:05,894 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-08-18 16:49:05,894 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-08-18 16:49:05,894 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-08-18 16:49:05,894 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-08-18 16:49:05,894 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-08-18 16:49:05,895 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-08-18 16:49:05,895 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-08-18 16:49:05,917 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-08-18 16:49:05,920 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2023-08-18 16:49:05,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:05,920 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:05,921 INFO L229 MonitoredProcess]: Starting monitored process 64 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) [2023-08-18 16:49:05,930 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-08-18 16:49:05,937 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-08-18 16:49:05,937 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-08-18 16:49:05,937 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-08-18 16:49:05,937 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-08-18 16:49:05,937 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-08-18 16:49:05,938 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-08-18 16:49:05,938 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-08-18 16:49:05,940 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2023-08-18 16:49:05,948 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-08-18 16:49:05,953 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-08-18 16:49:05,953 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-08-18 16:49:05,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:05,953 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:05,955 INFO L229 MonitoredProcess]: Starting monitored process 65 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) [2023-08-18 16:49:05,958 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2023-08-18 16:49:05,959 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-08-18 16:49:05,959 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-08-18 16:49:05,959 INFO L513 LassoAnalysis]: Proved termination. [2023-08-18 16:49:05,959 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~counter~0) = 1*~counter~0 Supporting invariants [] [2023-08-18 16:49:05,962 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2023-08-18 16:49:05,963 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-08-18 16:49:05,972 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-18 16:49:05,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-18 16:49:05,991 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 2 conjunts are in the unsatisfiable core [2023-08-18 16:49:05,992 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-08-18 16:49:06,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-18 16:49:06,030 WARN L260 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 8 conjunts are in the unsatisfiable core [2023-08-18 16:49:06,030 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-08-18 16:49:06,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-18 16:49:06,060 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-08-18 16:49:06,060 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 903 states and 2612 transitions. cyclomatic complexity: 1790 Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-18 16:49:06,090 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 903 states and 2612 transitions. cyclomatic complexity: 1790. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 2080 states and 6187 transitions. Complement of second has 5 states. [2023-08-18 16:49:06,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-08-18 16:49:06,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-18 16:49:06,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 66 transitions. [2023-08-18 16:49:06,093 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 66 transitions. Stem has 35 letters. Loop has 5 letters. [2023-08-18 16:49:06,093 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-08-18 16:49:06,093 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-08-18 16:49:06,102 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-18 16:49:06,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-18 16:49:06,125 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 2 conjunts are in the unsatisfiable core [2023-08-18 16:49:06,127 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-08-18 16:49:06,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-18 16:49:06,165 WARN L260 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 8 conjunts are in the unsatisfiable core [2023-08-18 16:49:06,165 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-08-18 16:49:06,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-18 16:49:06,198 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2023-08-18 16:49:06,199 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 903 states and 2612 transitions. cyclomatic complexity: 1790 Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-18 16:49:06,252 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 903 states and 2612 transitions. cyclomatic complexity: 1790. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 3303 states and 9733 transitions. Complement of second has 7 states. [2023-08-18 16:49:06,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-08-18 16:49:06,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-18 16:49:06,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 95 transitions. [2023-08-18 16:49:06,255 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 95 transitions. Stem has 35 letters. Loop has 5 letters. [2023-08-18 16:49:06,255 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-08-18 16:49:06,255 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-08-18 16:49:06,263 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-18 16:49:06,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-18 16:49:06,285 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 2 conjunts are in the unsatisfiable core [2023-08-18 16:49:06,286 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-08-18 16:49:06,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-18 16:49:06,326 WARN L260 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 8 conjunts are in the unsatisfiable core [2023-08-18 16:49:06,326 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-08-18 16:49:06,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-18 16:49:06,354 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-08-18 16:49:06,354 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 903 states and 2612 transitions. cyclomatic complexity: 1790 Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-18 16:49:06,391 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 903 states and 2612 transitions. cyclomatic complexity: 1790. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 2059 states and 6112 transitions. Complement of second has 5 states. [2023-08-18 16:49:06,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-08-18 16:49:06,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-18 16:49:06,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 98 transitions. [2023-08-18 16:49:06,394 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 98 transitions. Stem has 35 letters. Loop has 5 letters. [2023-08-18 16:49:06,394 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-08-18 16:49:06,394 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 98 transitions. Stem has 40 letters. Loop has 5 letters. [2023-08-18 16:49:06,395 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-08-18 16:49:06,395 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 98 transitions. Stem has 35 letters. Loop has 10 letters. [2023-08-18 16:49:06,395 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-08-18 16:49:06,395 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2059 states and 6112 transitions. [2023-08-18 16:49:06,415 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-08-18 16:49:06,415 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2059 states to 0 states and 0 transitions. [2023-08-18 16:49:06,415 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-08-18 16:49:06,415 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-08-18 16:49:06,415 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-08-18 16:49:06,415 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-18 16:49:06,415 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-08-18 16:49:06,417 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-08-18 16:49:06,417 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-08-18 16:49:06,417 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2023-08-18 16:49:06,417 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-08-18 16:49:06,417 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-08-18 16:49:06,417 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-08-18 16:49:06,424 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.08 04:49:06 BoogieIcfgContainer [2023-08-18 16:49:06,424 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-08-18 16:49:06,424 INFO L158 Benchmark]: Toolchain (without parser) took 7144.47ms. Allocated memory was 181.4MB in the beginning and 259.0MB in the end (delta: 77.6MB). Free memory was 135.6MB in the beginning and 129.7MB in the end (delta: 5.9MB). Peak memory consumption was 83.7MB. Max. memory is 8.0GB. [2023-08-18 16:49:06,424 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 181.4MB. Free memory is still 137.2MB. There was no memory consumed. Max. memory is 8.0GB. [2023-08-18 16:49:06,425 INFO L158 Benchmark]: CACSL2BoogieTranslator took 171.13ms. Allocated memory is still 181.4MB. Free memory was 135.4MB in the beginning and 124.6MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2023-08-18 16:49:06,425 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.17ms. Allocated memory is still 181.4MB. Free memory was 124.6MB in the beginning and 123.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-08-18 16:49:06,425 INFO L158 Benchmark]: Boogie Preprocessor took 16.90ms. Allocated memory is still 181.4MB. Free memory was 123.1MB in the beginning and 121.8MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-08-18 16:49:06,425 INFO L158 Benchmark]: RCFGBuilder took 393.46ms. Allocated memory is still 181.4MB. Free memory was 121.8MB in the beginning and 107.7MB in the end (delta: 14.1MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2023-08-18 16:49:06,425 INFO L158 Benchmark]: BuchiAutomizer took 6529.82ms. Allocated memory was 181.4MB in the beginning and 259.0MB in the end (delta: 77.6MB). Free memory was 107.6MB in the beginning and 129.7MB in the end (delta: -22.2MB). Peak memory consumption was 56.5MB. Max. memory is 8.0GB. [2023-08-18 16:49:06,427 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 181.4MB. Free memory is still 137.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 171.13ms. Allocated memory is still 181.4MB. Free memory was 135.4MB in the beginning and 124.6MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 27.17ms. Allocated memory is still 181.4MB. Free memory was 124.6MB in the beginning and 123.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 16.90ms. Allocated memory is still 181.4MB. Free memory was 123.1MB in the beginning and 121.8MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 393.46ms. Allocated memory is still 181.4MB. Free memory was 121.8MB in the beginning and 107.7MB in the end (delta: 14.1MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * BuchiAutomizer took 6529.82ms. Allocated memory was 181.4MB in the beginning and 259.0MB in the end (delta: 77.6MB). Free memory was 107.6MB in the beginning and 129.7MB in the end (delta: -22.2MB). Peak memory consumption was 56.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 6 terminating modules (1 trivial, 4 deterministic, 1 nondeterministic). One deterministic module has affine ranking function -1 * i + N and consists of 6 locations. One deterministic module has affine ranking function counter and consists of 3 locations. One deterministic module has affine ranking function N + -1 * i and consists of 5 locations. One deterministic module has affine ranking function N + -1 * i and consists of 6 locations. One nondeterministic module has affine ranking function counter and consists of 3 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.4s and 6 iterations. TraceHistogramMax:2. Analysis of lassos took 4.3s. Construction of modules took 0.1s. Büchi inclusion checks took 1.3s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 5. Automata minimization 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 593 StatesRemovedByMinimization, 5 NontrivialMinimizations. Non-live state removal took 0.1s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [4, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 553 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 546 mSDsluCounter, 885 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 389 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 247 IncrementalHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 496 mSDtfsCounter, 247 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT4 conc0 concLT1 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital22 mio100 ax249 hnf100 lsp18 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 43ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 22 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 5 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 1.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-08-18 16:49:06,445 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2023-08-18 16:49:06,646 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...