/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/BuchiAutomizerBplInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Termination-32bit-Automizer_Default.epf --buchiautomizer.automaton.type.for.concurrent.programs BUCHI_PETRI_NET -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/array-eq-symm.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.fs.rabin-petrinet-4c29625-m [2023-10-12 17:21:36,784 INFO L172 SettingsManager]: Resetting all preferences to default values... [2023-10-12 17:21:36,841 INFO L100 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Termination-32bit-Automizer_Default.epf [2023-10-12 17:21:36,870 INFO L114 SettingsManager]: Preferences different from defaults after loading the file: [2023-10-12 17:21:36,871 INFO L135 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-10-12 17:21:36,871 INFO L137 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-10-12 17:21:36,873 INFO L135 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-10-12 17:21:36,873 INFO L137 SettingsManager]: * Create parallel compositions if possible=false [2023-10-12 17:21:36,873 INFO L137 SettingsManager]: * Use SBE=true [2023-10-12 17:21:36,876 INFO L135 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-10-12 17:21:36,876 INFO L137 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-10-12 17:21:36,877 INFO L137 SettingsManager]: * Use old map elimination=false [2023-10-12 17:21:36,877 INFO L137 SettingsManager]: * Use external solver (rank synthesis)=false [2023-10-12 17:21:36,878 INFO L137 SettingsManager]: * Use only trivial implications for array writes=true [2023-10-12 17:21:36,878 INFO L137 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-10-12 17:21:36,878 INFO L135 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-10-12 17:21:36,879 INFO L137 SettingsManager]: * sizeof long=4 [2023-10-12 17:21:36,879 INFO L137 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-10-12 17:21:36,879 INFO L137 SettingsManager]: * Overapproximate operations on floating types=true [2023-10-12 17:21:36,879 INFO L137 SettingsManager]: * sizeof POINTER=4 [2023-10-12 17:21:36,879 INFO L137 SettingsManager]: * Check division by zero=IGNORE [2023-10-12 17:21:36,879 INFO L137 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-10-12 17:21:36,880 INFO L137 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-10-12 17:21:36,880 INFO L137 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-10-12 17:21:36,880 INFO L137 SettingsManager]: * sizeof long double=12 [2023-10-12 17:21:36,881 INFO L137 SettingsManager]: * Check if freed pointer was valid=false [2023-10-12 17:21:36,881 INFO L137 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-10-12 17:21:36,881 INFO L137 SettingsManager]: * Use constant arrays=true [2023-10-12 17:21:36,881 INFO L137 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-10-12 17:21:36,881 INFO L135 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-10-12 17:21:36,882 INFO L137 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-10-12 17:21:36,882 INFO L135 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-10-12 17:21:36,882 INFO L137 SettingsManager]: * Trace refinement strategy=CAMEL [2023-10-12 17:21:36,884 INFO L135 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-10-12 17:21:36,884 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Automaton type for concurrent programs -> BUCHI_PETRI_NET [2023-10-12 17:21:37,073 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-10-12 17:21:37,088 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-10-12 17:21:37,090 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-10-12 17:21:37,091 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-10-12 17:21:37,092 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2023-10-12 17:21:37,093 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/array-eq-symm.wvr.bpl [2023-10-12 17:21:37,093 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/array-eq-symm.wvr.bpl' [2023-10-12 17:21:37,109 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-10-12 17:21:37,110 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2023-10-12 17:21:37,111 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-10-12 17:21:37,111 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-10-12 17:21:37,111 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-10-12 17:21:37,120 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "array-eq-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:21:37" (1/1) ... [2023-10-12 17:21:37,129 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "array-eq-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:21:37" (1/1) ... [2023-10-12 17:21:37,134 INFO L138 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2023-10-12 17:21:37,135 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-10-12 17:21:37,136 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-10-12 17:21:37,136 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-10-12 17:21:37,136 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-10-12 17:21:37,141 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "array-eq-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:21:37" (1/1) ... [2023-10-12 17:21:37,142 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "array-eq-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:21:37" (1/1) ... [2023-10-12 17:21:37,142 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "array-eq-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:21:37" (1/1) ... [2023-10-12 17:21:37,142 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "array-eq-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:21:37" (1/1) ... [2023-10-12 17:21:37,144 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "array-eq-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:21:37" (1/1) ... [2023-10-12 17:21:37,146 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "array-eq-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:21:37" (1/1) ... [2023-10-12 17:21:37,146 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "array-eq-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:21:37" (1/1) ... [2023-10-12 17:21:37,147 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "array-eq-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:21:37" (1/1) ... [2023-10-12 17:21:37,148 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-10-12 17:21:37,148 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-10-12 17:21:37,148 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-10-12 17:21:37,149 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-10-12 17:21:37,149 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array-eq-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:21:37" (1/1) ... [2023-10-12 17:21:37,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:21:37,164 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:21:37,178 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) [2023-10-12 17:21:37,185 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 [2023-10-12 17:21:37,203 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2023-10-12 17:21:37,204 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-10-12 17:21:37,206 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-10-12 17:21:37,207 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2023-10-12 17:21:37,207 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-10-12 17:21:37,208 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-10-12 17:21:37,208 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-10-12 17:21:37,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-10-12 17:21:37,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-10-12 17:21:37,209 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-10-12 17:21:37,250 INFO L236 CfgBuilder]: Building ICFG [2023-10-12 17:21:37,251 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-10-12 17:21:37,339 INFO L277 CfgBuilder]: Performing block encoding [2023-10-12 17:21:37,343 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-10-12 17:21:37,344 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-10-12 17:21:37,345 INFO L201 PluginConnector]: Adding new model array-eq-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:21:37 BoogieIcfgContainer [2023-10-12 17:21:37,345 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-10-12 17:21:37,346 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-10-12 17:21:37,346 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-10-12 17:21:37,353 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-10-12 17:21:37,354 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-10-12 17:21:37,354 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "array-eq-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.10 05:21:37" (1/2) ... [2023-10-12 17:21:37,356 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1ba504b6 and model type array-eq-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.10 05:21:37, skipping insertion in model container [2023-10-12 17:21:37,356 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-10-12 17:21:37,356 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "array-eq-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:21:37" (2/2) ... [2023-10-12 17:21:37,357 INFO L332 chiAutomizerObserver]: Analyzing ICFG array-eq-symm.wvr.bpl [2023-10-12 17:21:37,416 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-10-12 17:21:37,450 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 28 places, 27 transitions, 70 flow [2023-10-12 17:21:37,467 INFO L124 PetriNetUnfolderBase]: 4/23 cut-off events. [2023-10-12 17:21:37,467 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-10-12 17:21:37,471 INFO L83 FinitePrefix]: Finished finitePrefix Result has 32 conditions, 23 events. 4/23 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 36 event pairs, 0 based on Foata normal form. 0/18 useless extension candidates. Maximal degree in co-relation 17. Up to 3 conditions per place. [2023-10-12 17:21:37,471 INFO L82 GeneralOperation]: Start removeDead. Operand has 28 places, 27 transitions, 70 flow [2023-10-12 17:21:37,474 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 26 places, 23 transitions, 58 flow [2023-10-12 17:21:37,482 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-10-12 17:21:37,504 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 26 places, 23 transitions, 58 flow [2023-10-12 17:21:37,506 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 26 places, 23 transitions, 58 flow [2023-10-12 17:21:37,506 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 26 places, 23 transitions, 58 flow [2023-10-12 17:21:37,511 INFO L124 PetriNetUnfolderBase]: 4/23 cut-off events. [2023-10-12 17:21:37,511 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-10-12 17:21:37,511 INFO L83 FinitePrefix]: Finished finitePrefix Result has 32 conditions, 23 events. 4/23 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 36 event pairs, 0 based on Foata normal form. 0/18 useless extension candidates. Maximal degree in co-relation 17. Up to 3 conditions per place. [2023-10-12 17:21:37,512 INFO L119 LiptonReduction]: Number of co-enabled transitions 126 [2023-10-12 17:21:37,875 INFO L134 LiptonReduction]: Checked pairs total: 86 [2023-10-12 17:21:37,875 INFO L136 LiptonReduction]: Total number of compositions: 13 [2023-10-12 17:21:37,886 INFO L305 stractBuchiCegarLoop]: Interprodecural is true [2023-10-12 17:21:37,886 INFO L306 stractBuchiCegarLoop]: Hoare is false [2023-10-12 17:21:37,886 INFO L307 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-10-12 17:21:37,886 INFO L308 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-10-12 17:21:37,886 INFO L309 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-10-12 17:21:37,886 INFO L310 stractBuchiCegarLoop]: Difference is false [2023-10-12 17:21:37,886 INFO L311 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-10-12 17:21:37,887 INFO L315 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiPetriNetCegarLoop ======== [2023-10-12 17:21:37,887 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 places, 11 transitions, 34 flow [2023-10-12 17:21:37,890 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:21:37,890 INFO L124 PetriNetUnfolderBase]: 0/2 cut-off events. [2023-10-12 17:21:37,890 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-10-12 17:21:37,890 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2023-10-12 17:21:37,893 INFO L337 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-10-12 17:21:37,893 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 places, 11 transitions, 34 flow [2023-10-12 17:21:37,894 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:21:37,894 INFO L124 PetriNetUnfolderBase]: 0/2 cut-off events. [2023-10-12 17:21:37,894 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-10-12 17:21:37,894 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2023-10-12 17:21:37,900 INFO L748 eck$LassoCheckResult]: Stem: 32#[$Ultimate##0]true [48] $Ultimate##0-->L52: Formula: (let ((.cse0 (not v_break_AB_4))) (and (= v_i_AB_8 0) (or (and v_break_BA_4 v_break_AB_4) (and (not v_break_BA_4) .cse0)) (= v_i_BA_8 v_i_AB_8) .cse0)) InVars {break_BA=v_break_BA_4, i_AB=v_i_AB_8, break_AB=v_break_AB_4, i_BA=v_i_BA_8} OutVars{break_BA=v_break_BA_4, i_AB=v_i_AB_8, break_AB=v_break_AB_4, i_BA=v_i_BA_8} AuxVars[] AssignedVars[] 34#[L52]true [76] L52-->L22-2: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0] 36#[L52-1, L22-2]true [2023-10-12 17:21:37,901 INFO L750 eck$LassoCheckResult]: Loop: 36#[L52-1, L22-2]true [93] L22-2-->L22-2: Formula: (and (< v_i_AB_22 v_An_11) (not v_break_AB_10) (< v_i_AB_22 v_Bn_11) (let ((.cse0 (= (select v_B_15 v_i_AB_22) (select v_A_15 v_i_AB_22)))) (or (and (= v_break_AB_9 v_break_AB_10) (= v_i_AB_21 (+ v_i_AB_22 1)) .cse0) (and (not .cse0) (= v_i_AB_22 v_i_AB_21) v_break_AB_9)))) InVars {A=v_A_15, break_AB=v_break_AB_10, Bn=v_Bn_11, An=v_An_11, i_AB=v_i_AB_22, B=v_B_15} OutVars{A=v_A_15, break_AB=v_break_AB_9, Bn=v_Bn_11, An=v_An_11, i_AB=v_i_AB_21, B=v_B_15} AuxVars[] AssignedVars[break_AB, i_AB] 36#[L52-1, L22-2]true [2023-10-12 17:21:37,906 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:21:37,906 INFO L85 PathProgramCache]: Analyzing trace with hash 2525, now seen corresponding path program 1 times [2023-10-12 17:21:37,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:21:37,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131967582] [2023-10-12 17:21:37,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:21:37,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:21:37,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:21:37,979 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:21:37,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:21:37,995 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:21:37,997 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:21:37,998 INFO L85 PathProgramCache]: Analyzing trace with hash 124, now seen corresponding path program 1 times [2023-10-12 17:21:37,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:21:37,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039094674] [2023-10-12 17:21:37,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:21:37,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:21:38,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:21:38,021 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:21:38,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:21:38,054 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:21:38,055 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:21:38,055 INFO L85 PathProgramCache]: Analyzing trace with hash 78368, now seen corresponding path program 1 times [2023-10-12 17:21:38,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:21:38,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558633736] [2023-10-12 17:21:38,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:21:38,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:21:38,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:21:38,062 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:21:38,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:21:38,070 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:21:38,209 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:21:38,209 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:21:38,209 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:21:38,209 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:21:38,210 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:21:38,210 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:21:38,210 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:21:38,210 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:21:38,210 INFO L133 ssoRankerPreferences]: Filename of dumped script: array-eq-symm.wvr.bpl_BEv2_Iteration1_Lasso [2023-10-12 17:21:38,210 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:21:38,210 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:21:38,222 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:21:38,229 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:21:38,272 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:21:38,274 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:21:38,419 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:21:38,421 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:21:38,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:21:38,423 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:21:38,425 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) [2023-10-12 17:21:38,432 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 [2023-10-12 17:21:38,432 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 [2023-10-12 17:21:38,440 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:21:38,441 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:21:38,441 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:21:38,441 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:21:38,444 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:21:38,444 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:21:38,476 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:21:38,497 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-10-12 17:21:38,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:21:38,497 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:21:38,500 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) [2023-10-12 17:21:38,501 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 [2023-10-12 17:21:38,505 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 [2023-10-12 17:21:38,516 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:21:38,517 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:21:38,517 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2023-10-12 17:21:38,517 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:21:38,564 INFO L401 nArgumentSynthesizer]: We have 30 Motzkin's Theorem applications. [2023-10-12 17:21:38,564 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2023-10-12 17:21:38,625 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:21:38,631 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 [2023-10-12 17:21:38,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:21:38,632 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:21:38,633 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) [2023-10-12 17:21:38,636 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 [2023-10-12 17:21:38,637 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 [2023-10-12 17:21:38,645 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:21:38,645 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:21:38,645 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:21:38,645 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:21:38,647 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:21:38,647 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:21:38,657 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:21:38,663 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 [2023-10-12 17:21:38,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:21:38,664 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:21:38,677 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) [2023-10-12 17:21:38,680 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 [2023-10-12 17:21:38,682 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 [2023-10-12 17:21:38,689 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:21:38,689 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:21:38,690 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:21:38,690 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:21:38,692 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:21:38,692 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:21:38,713 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:21:38,718 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 [2023-10-12 17:21:38,719 INFO L490 LassoAnalysis]: Using template '2-nested'. [2023-10-12 17:21:38,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:21:38,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:21:38,720 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) [2023-10-12 17:21:38,723 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 [2023-10-12 17:21:38,725 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 [2023-10-12 17:21:38,732 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:21:38,732 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:21:38,732 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:21:38,732 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-10-12 17:21:38,738 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2023-10-12 17:21:38,738 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2023-10-12 17:21:38,753 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:21:38,765 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 [2023-10-12 17:21:38,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:21:38,765 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:21:38,767 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) [2023-10-12 17:21:38,769 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 [2023-10-12 17:21:38,770 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 [2023-10-12 17:21:38,778 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:21:38,779 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:21:38,779 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2023-10-12 17:21:38,779 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-10-12 17:21:38,814 INFO L401 nArgumentSynthesizer]: We have 45 Motzkin's Theorem applications. [2023-10-12 17:21:38,814 INFO L402 nArgumentSynthesizer]: A total of 9 supporting invariants were added. [2023-10-12 17:21:38,870 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:21:38,879 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-10-12 17:21:38,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:21:38,880 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:21:38,881 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) [2023-10-12 17:21:38,883 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 [2023-10-12 17:21:38,885 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 [2023-10-12 17:21:38,892 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:21:38,892 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:21:38,892 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:21:38,893 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-10-12 17:21:38,895 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2023-10-12 17:21:38,895 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2023-10-12 17:21:38,909 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:21:38,914 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 [2023-10-12 17:21:38,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:21:38,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:21:38,916 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) [2023-10-12 17:21:38,917 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 [2023-10-12 17:21:38,921 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 [2023-10-12 17:21:38,928 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:21:38,928 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:21:38,928 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:21:38,928 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-10-12 17:21:38,930 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2023-10-12 17:21:38,931 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2023-10-12 17:21:38,949 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:21:38,955 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 [2023-10-12 17:21:38,955 INFO L490 LassoAnalysis]: Using template '3-nested'. [2023-10-12 17:21:38,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:21:38,955 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:21:38,957 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) [2023-10-12 17:21:38,960 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 [2023-10-12 17:21:38,962 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 [2023-10-12 17:21:38,969 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:21:38,969 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:21:38,969 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:21:38,969 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-10-12 17:21:38,976 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2023-10-12 17:21:38,976 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-10-12 17:21:38,993 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:21:38,998 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 [2023-10-12 17:21:38,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:21:38,999 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:21:39,000 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) [2023-10-12 17:21:39,003 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 [2023-10-12 17:21:39,004 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 [2023-10-12 17:21:39,013 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:21:39,013 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:21:39,013 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2023-10-12 17:21:39,013 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-10-12 17:21:39,060 INFO L401 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2023-10-12 17:21:39,060 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2023-10-12 17:21:39,123 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:21:39,131 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 [2023-10-12 17:21:39,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:21:39,131 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:21:39,132 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) [2023-10-12 17:21:39,134 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 [2023-10-12 17:21:39,136 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 [2023-10-12 17:21:39,143 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:21:39,144 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:21:39,144 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:21:39,144 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-10-12 17:21:39,146 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2023-10-12 17:21:39,146 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-10-12 17:21:39,161 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:21:39,168 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 [2023-10-12 17:21:39,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:21:39,169 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:21:39,185 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) [2023-10-12 17:21:39,188 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 [2023-10-12 17:21:39,190 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 [2023-10-12 17:21:39,199 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:21:39,200 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:21:39,200 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:21:39,200 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-10-12 17:21:39,202 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2023-10-12 17:21:39,202 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-10-12 17:21:39,217 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:21:39,227 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 [2023-10-12 17:21:39,227 INFO L490 LassoAnalysis]: Using template '4-nested'. [2023-10-12 17:21:39,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:21:39,227 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:21:39,228 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) [2023-10-12 17:21:39,231 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 [2023-10-12 17:21:39,232 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 [2023-10-12 17:21:39,239 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:21:39,239 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:21:39,239 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:21:39,239 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-10-12 17:21:39,242 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2023-10-12 17:21:39,242 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2023-10-12 17:21:39,257 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:21:39,263 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 [2023-10-12 17:21:39,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:21:39,264 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:21:39,264 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) [2023-10-12 17:21:39,275 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 [2023-10-12 17:21:39,275 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 [2023-10-12 17:21:39,284 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:21:39,284 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:21:39,284 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2023-10-12 17:21:39,284 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-10-12 17:21:39,326 INFO L401 nArgumentSynthesizer]: We have 75 Motzkin's Theorem applications. [2023-10-12 17:21:39,327 INFO L402 nArgumentSynthesizer]: A total of 15 supporting invariants were added. [2023-10-12 17:21:39,419 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:21:39,431 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 [2023-10-12 17:21:39,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:21:39,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:21:39,432 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) [2023-10-12 17:21:39,434 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 [2023-10-12 17:21:39,436 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 [2023-10-12 17:21:39,443 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:21:39,443 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:21:39,443 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:21:39,443 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-10-12 17:21:39,446 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2023-10-12 17:21:39,446 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2023-10-12 17:21:39,461 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:21:39,465 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 [2023-10-12 17:21:39,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:21:39,465 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:21:39,466 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) [2023-10-12 17:21:39,480 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 [2023-10-12 17:21:39,487 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:21:39,487 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:21:39,487 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:21:39,487 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-10-12 17:21:39,490 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2023-10-12 17:21:39,490 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2023-10-12 17:21:39,493 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 [2023-10-12 17:21:39,508 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:21:39,533 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 [2023-10-12 17:21:39,533 INFO L490 LassoAnalysis]: Using template '2-phase'. [2023-10-12 17:21:39,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:21:39,533 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:21:39,534 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) [2023-10-12 17:21:39,536 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 [2023-10-12 17:21:39,538 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 [2023-10-12 17:21:39,545 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-10-12 17:21:39,546 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-10-12 17:21:39,546 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:21:39,546 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:21:39,546 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-10-12 17:21:39,547 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2023-10-12 17:21:39,547 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2023-10-12 17:21:39,561 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:21:39,564 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 [2023-10-12 17:21:39,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:21:39,565 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:21:39,566 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) [2023-10-12 17:21:39,568 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 [2023-10-12 17:21:39,570 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 [2023-10-12 17:21:39,577 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-10-12 17:21:39,577 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-10-12 17:21:39,577 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:21:39,578 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2023-10-12 17:21:39,578 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-10-12 17:21:39,604 INFO L401 nArgumentSynthesizer]: We have 45 Motzkin's Theorem applications. [2023-10-12 17:21:39,604 INFO L402 nArgumentSynthesizer]: A total of 9 supporting invariants were added. [2023-10-12 17:21:39,661 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:21:39,668 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 [2023-10-12 17:21:39,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:21:39,668 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:21:39,672 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) [2023-10-12 17:21:39,675 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 [2023-10-12 17:21:39,675 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 [2023-10-12 17:21:39,682 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-10-12 17:21:39,683 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-10-12 17:21:39,683 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:21:39,683 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:21:39,683 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-10-12 17:21:39,685 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2023-10-12 17:21:39,685 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2023-10-12 17:21:39,702 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:21:39,720 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 [2023-10-12 17:21:39,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:21:39,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:21:39,722 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) [2023-10-12 17:21:39,727 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 [2023-10-12 17:21:39,734 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-10-12 17:21:39,734 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-10-12 17:21:39,735 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:21:39,735 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:21:39,735 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-10-12 17:21:39,737 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2023-10-12 17:21:39,737 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2023-10-12 17:21:39,740 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 [2023-10-12 17:21:39,752 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:21:39,758 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 [2023-10-12 17:21:39,758 INFO L490 LassoAnalysis]: Using template '3-phase'. [2023-10-12 17:21:39,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:21:39,759 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:21:39,759 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) [2023-10-12 17:21:39,763 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 [2023-10-12 17:21:39,764 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 [2023-10-12 17:21:39,772 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-10-12 17:21:39,772 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2023-10-12 17:21:39,772 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:21:39,772 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:21:39,772 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-10-12 17:21:39,775 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2023-10-12 17:21:39,775 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-10-12 17:21:39,789 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:21:39,794 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 [2023-10-12 17:21:39,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:21:39,795 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:21:39,796 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) [2023-10-12 17:21:39,798 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 [2023-10-12 17:21:39,800 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 [2023-10-12 17:21:39,809 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-10-12 17:21:39,809 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2023-10-12 17:21:39,809 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:21:39,809 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2023-10-12 17:21:39,809 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-10-12 17:21:39,845 INFO L401 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2023-10-12 17:21:39,846 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2023-10-12 17:21:39,949 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:21:39,955 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2023-10-12 17:21:39,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:21:39,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:21:39,961 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) [2023-10-12 17:21:39,962 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 [2023-10-12 17:21:39,962 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 [2023-10-12 17:21:39,970 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-10-12 17:21:39,970 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2023-10-12 17:21:39,970 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:21:39,970 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:21:39,970 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-10-12 17:21:39,974 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2023-10-12 17:21:39,974 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-10-12 17:21:39,993 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:21:39,998 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 [2023-10-12 17:21:39,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:21:39,999 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:21:40,001 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) [2023-10-12 17:21:40,010 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 [2023-10-12 17:21:40,011 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 [2023-10-12 17:21:40,019 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-10-12 17:21:40,020 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2023-10-12 17:21:40,020 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:21:40,020 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:21:40,020 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-10-12 17:21:40,023 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2023-10-12 17:21:40,023 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-10-12 17:21:40,037 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:21:40,047 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2023-10-12 17:21:40,047 INFO L490 LassoAnalysis]: Using template '4-phase'. [2023-10-12 17:21:40,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:21:40,048 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:21:40,049 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) [2023-10-12 17:21:40,053 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 [2023-10-12 17:21:40,060 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-10-12 17:21:40,061 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-10-12 17:21:40,061 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:21:40,061 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:21:40,061 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-10-12 17:21:40,063 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2023-10-12 17:21:40,063 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2023-10-12 17:21:40,069 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 [2023-10-12 17:21:40,080 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:21:40,085 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2023-10-12 17:21:40,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:21:40,086 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:21:40,087 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) [2023-10-12 17:21:40,089 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 [2023-10-12 17:21:40,090 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 [2023-10-12 17:21:40,098 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-10-12 17:21:40,099 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-10-12 17:21:40,099 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:21:40,099 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2023-10-12 17:21:40,099 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-10-12 17:21:40,142 INFO L401 nArgumentSynthesizer]: We have 75 Motzkin's Theorem applications. [2023-10-12 17:21:40,142 INFO L402 nArgumentSynthesizer]: A total of 15 supporting invariants were added. [2023-10-12 17:21:40,278 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:21:40,287 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2023-10-12 17:21:40,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:21:40,287 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:21:40,288 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) [2023-10-12 17:21:40,290 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 [2023-10-12 17:21:40,292 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 [2023-10-12 17:21:40,299 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-10-12 17:21:40,300 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-10-12 17:21:40,300 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:21:40,300 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:21:40,300 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-10-12 17:21:40,302 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2023-10-12 17:21:40,302 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2023-10-12 17:21:40,321 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:21:40,335 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2023-10-12 17:21:40,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:21:40,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:21:40,336 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) [2023-10-12 17:21:40,338 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 [2023-10-12 17:21:40,340 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 [2023-10-12 17:21:40,347 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-10-12 17:21:40,347 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2023-10-12 17:21:40,347 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:21:40,347 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:21:40,347 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2023-10-12 17:21:40,350 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2023-10-12 17:21:40,350 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2023-10-12 17:21:40,371 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:21:40,377 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2023-10-12 17:21:40,377 INFO L490 LassoAnalysis]: Using template '2-lex'. [2023-10-12 17:21:40,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:21:40,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:21:40,378 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) [2023-10-12 17:21:40,380 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 [2023-10-12 17:21:40,382 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 [2023-10-12 17:21:40,389 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-10-12 17:21:40,389 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-10-12 17:21:40,389 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:21:40,389 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:21:40,389 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-10-12 17:21:40,391 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2023-10-12 17:21:40,391 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-10-12 17:21:40,406 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:21:40,412 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2023-10-12 17:21:40,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:21:40,412 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:21:40,413 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) [2023-10-12 17:21:40,415 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 [2023-10-12 17:21:40,417 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 [2023-10-12 17:21:40,424 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2023-10-12 17:21:40,424 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2023-10-12 17:21:40,425 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:21:40,425 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2023-10-12 17:21:40,425 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-10-12 17:21:40,456 INFO L401 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2023-10-12 17:21:40,456 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2023-10-12 17:21:40,576 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:21:40,676 INFO L443 ModelExtractionUtils]: Simplification made 18 calls to the SMT solver. [2023-10-12 17:21:40,676 INFO L444 ModelExtractionUtils]: 80 out of 100 variables were initially zero. Simplification set additionally 13 variables to zero. [2023-10-12 17:21:40,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:21:40,678 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:21:40,680 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) [2023-10-12 17:21:40,682 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 [2023-10-12 17:21:40,683 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:21:40,709 INFO L438 nArgumentSynthesizer]: Removed 12 redundant supporting invariants from a total of 12. [2023-10-12 17:21:40,709 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:21:40,710 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function 2-lexicographic ranking function: f(Bn, i_AB, v_rep(ite break_AB 1 0)_1) = Supporting invariants [] [2023-10-12 17:21:40,716 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2023-10-12 17:21:40,719 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-10-12 17:21:40,742 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:21:40,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:21:40,753 INFO L262 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:21:40,754 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:21:40,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:21:40,771 WARN L260 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 6 conjunts are in the unsatisfiable core [2023-10-12 17:21:40,771 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:21:40,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-10-12 17:21:40,794 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2023-10-12 17:21:40,795 INFO L74 BuchiComplementNCSB]: Start buchiComplementNCSB. Operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2023-10-12 17:21:40,877 INFO L82 BuchiComplementNCSB]: Finished buchiComplementNCSB. Operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 5 states and 232 transitions. [2023-10-12 17:21:40,878 INFO L79 BuchiIntersect]: Starting Intersection [2023-10-12 17:21:40,880 INFO L86 BuchiIntersect]: Exiting Intersection [2023-10-12 17:21:40,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-10-12 17:21:40,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2023-10-12 17:21:40,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 160 transitions. [2023-10-12 17:21:40,894 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 160 transitions. Stem has 2 letters. Loop has 1 letters. [2023-10-12 17:21:40,894 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:21:40,894 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 160 transitions. Stem has 3 letters. Loop has 1 letters. [2023-10-12 17:21:40,894 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:21:40,894 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 160 transitions. Stem has 2 letters. Loop has 2 letters. [2023-10-12 17:21:40,894 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:21:40,895 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 26 places, 124 transitions, 640 flow [2023-10-12 17:21:40,911 INFO L124 PetriNetUnfolderBase]: 31/63 cut-off events. [2023-10-12 17:21:40,912 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2023-10-12 17:21:40,913 INFO L83 FinitePrefix]: Finished finitePrefix Result has 153 conditions, 63 events. 31/63 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 152 event pairs, 2 based on Foata normal form. 0/38 useless extension candidates. Maximal degree in co-relation 96. Up to 21 conditions per place. [2023-10-12 17:21:40,913 INFO L82 GeneralOperation]: Start removeDeadBuchi. Operand has 26 places, 124 transitions, 640 flow [2023-10-12 17:21:40,919 INFO L88 GeneralOperation]: Finished RemoveDeadBuchi, result has has 26 places, 124 transitions, 640 flow [2023-10-12 17:21:40,919 INFO L430 stractBuchiCegarLoop]: Abstraction has has 26 places, 124 transitions, 640 flow [2023-10-12 17:21:40,919 INFO L337 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-10-12 17:21:40,919 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 26 places, 124 transitions, 640 flow [2023-10-12 17:21:40,928 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-10-12 17:21:40,928 INFO L124 PetriNetUnfolderBase]: 18/31 cut-off events. [2023-10-12 17:21:40,928 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2023-10-12 17:21:40,928 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2023-10-12 17:21:40,930 INFO L748 eck$LassoCheckResult]: Stem: 32#[$Ultimate##0]true [48] $Ultimate##0-->L52: Formula: (let ((.cse0 (not v_break_AB_4))) (and (= v_i_AB_8 0) (or (and v_break_BA_4 v_break_AB_4) (and (not v_break_BA_4) .cse0)) (= v_i_BA_8 v_i_AB_8) .cse0)) InVars {break_BA=v_break_BA_4, i_AB=v_i_AB_8, break_AB=v_break_AB_4, i_BA=v_i_BA_8} OutVars{break_BA=v_break_BA_4, i_AB=v_i_AB_8, break_AB=v_break_AB_4, i_BA=v_i_BA_8} AuxVars[] AssignedVars[] 34#[L52]true [76] L52-->L22-2: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0] 36#[L52-1, L22-2]true [79] L52-1-->L37-2: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1] 84#[L37-2, L22-2, L53]true [2023-10-12 17:21:40,930 INFO L750 eck$LassoCheckResult]: Loop: 84#[L37-2, L22-2, L53]true [92] L37-2-->L37-2: Formula: (and (< v_i_BA_22 v_Bn_9) (not v_break_BA_10) (let ((.cse0 (= (select v_A_13 v_i_BA_22) (select v_B_13 v_i_BA_22)))) (or (and (not .cse0) v_break_BA_9 (= v_i_BA_22 v_i_BA_21)) (and (= v_i_BA_21 (+ v_i_BA_22 1)) (= v_break_BA_9 v_break_BA_10) .cse0))) (< v_i_BA_22 v_An_9)) InVars {A=v_A_13, break_BA=v_break_BA_10, Bn=v_Bn_9, An=v_An_9, B=v_B_13, i_BA=v_i_BA_22} OutVars{A=v_A_13, break_BA=v_break_BA_9, Bn=v_Bn_9, An=v_An_9, B=v_B_13, i_BA=v_i_BA_21} AuxVars[] AssignedVars[break_BA, i_BA] 84#[L37-2, L22-2, L53]true [92] L37-2-->L37-2: Formula: (and (< v_i_BA_22 v_Bn_9) (not v_break_BA_10) (let ((.cse0 (= (select v_A_13 v_i_BA_22) (select v_B_13 v_i_BA_22)))) (or (and (not .cse0) v_break_BA_9 (= v_i_BA_22 v_i_BA_21)) (and (= v_i_BA_21 (+ v_i_BA_22 1)) (= v_break_BA_9 v_break_BA_10) .cse0))) (< v_i_BA_22 v_An_9)) InVars {A=v_A_13, break_BA=v_break_BA_10, Bn=v_Bn_9, An=v_An_9, B=v_B_13, i_BA=v_i_BA_22} OutVars{A=v_A_13, break_BA=v_break_BA_9, Bn=v_Bn_9, An=v_An_9, B=v_B_13, i_BA=v_i_BA_21} AuxVars[] AssignedVars[break_BA, i_BA] 84#[L37-2, L22-2, L53]true [2023-10-12 17:21:40,932 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:21:40,932 INFO L85 PathProgramCache]: Analyzing trace with hash 78354, now seen corresponding path program 1 times [2023-10-12 17:21:40,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:21:40,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422379442] [2023-10-12 17:21:40,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:21:40,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:21:40,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:21:40,940 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:21:40,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:21:40,942 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:21:40,943 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:21:40,943 INFO L85 PathProgramCache]: Analyzing trace with hash 3905, now seen corresponding path program 1 times [2023-10-12 17:21:40,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:21:40,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271254501] [2023-10-12 17:21:40,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:21:40,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:21:40,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:21:40,967 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:21:40,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:21:40,972 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:21:40,972 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:21:40,973 INFO L85 PathProgramCache]: Analyzing trace with hash 75301138, now seen corresponding path program 1 times [2023-10-12 17:21:40,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-10-12 17:21:40,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46577306] [2023-10-12 17:21:40,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-10-12 17:21:40,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-10-12 17:21:40,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:21:40,980 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-10-12 17:21:40,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-10-12 17:21:40,989 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-10-12 17:21:41,117 INFO L210 LassoAnalysis]: Preferences: [2023-10-12 17:21:41,118 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-10-12 17:21:41,118 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-10-12 17:21:41,118 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-10-12 17:21:41,118 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-10-12 17:21:41,118 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:21:41,118 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-10-12 17:21:41,118 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-10-12 17:21:41,118 INFO L133 ssoRankerPreferences]: Filename of dumped script: array-eq-symm.wvr.bpl_BEv2_Iteration2_Lasso [2023-10-12 17:21:41,118 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-10-12 17:21:41,118 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-10-12 17:21:41,119 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:21:41,122 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:21:41,124 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:21:41,168 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:21:41,170 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:21:41,172 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-10-12 17:21:41,344 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-10-12 17:21:41,344 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-10-12 17:21:41,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:21:41,345 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:21:41,346 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) [2023-10-12 17:21:41,348 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 [2023-10-12 17:21:41,349 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 [2023-10-12 17:21:41,357 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:21:41,357 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:21:41,357 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:21:41,357 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:21:41,358 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:21:41,358 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:21:41,377 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:21:41,380 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2023-10-12 17:21:41,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:21:41,381 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:21:41,389 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) [2023-10-12 17:21:41,391 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 [2023-10-12 17:21:41,393 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 [2023-10-12 17:21:41,400 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:21:41,401 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:21:41,401 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:21:41,401 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:21:41,402 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-10-12 17:21:41,402 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-10-12 17:21:41,416 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:21:41,421 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 [2023-10-12 17:21:41,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:21:41,422 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:21:41,423 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) [2023-10-12 17:21:41,425 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 [2023-10-12 17:21:41,426 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 [2023-10-12 17:21:41,434 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:21:41,434 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-10-12 17:21:41,434 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:21:41,434 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-10-12 17:21:41,434 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:21:41,435 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-10-12 17:21:41,435 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-10-12 17:21:41,448 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-10-12 17:21:41,454 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 [2023-10-12 17:21:41,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:21:41,454 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:21:41,455 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) [2023-10-12 17:21:41,461 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 [2023-10-12 17:21:41,469 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-10-12 17:21:41,469 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-10-12 17:21:41,469 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2023-10-12 17:21:41,469 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-10-12 17:21:41,486 INFO L401 nArgumentSynthesizer]: We have 30 Motzkin's Theorem applications. [2023-10-12 17:21:41,486 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2023-10-12 17:21:41,488 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 [2023-10-12 17:21:41,524 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-10-12 17:21:41,569 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2023-10-12 17:21:41,569 INFO L444 ModelExtractionUtils]: 39 out of 50 variables were initially zero. Simplification set additionally 8 variables to zero. [2023-10-12 17:21:41,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-10-12 17:21:41,569 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-10-12 17:21:41,572 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) [2023-10-12 17:21:41,572 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 [2023-10-12 17:21:41,574 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-10-12 17:21:41,597 INFO L438 nArgumentSynthesizer]: Removed 6 redundant supporting invariants from a total of 6. [2023-10-12 17:21:41,597 INFO L513 LassoAnalysis]: Proved termination. [2023-10-12 17:21:41,597 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(An, i_BA) = 1*An - 1*i_BA Supporting invariants [] [2023-10-12 17:21:41,604 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2023-10-12 17:21:41,607 INFO L156 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2023-10-12 17:21:41,616 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-10-12 17:21:41,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:21:41,622 INFO L262 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 2 conjunts are in the unsatisfiable core [2023-10-12 17:21:41,622 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:21:41,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-10-12 17:21:41,629 WARN L260 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 6 conjunts are in the unsatisfiable core [2023-10-12 17:21:41,630 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-10-12 17:21:41,698 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-10-12 17:21:41,699 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 [2023-10-12 17:21:41,699 INFO L74 BuchiComplementNCSB]: Start buchiComplementNCSB. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) [2023-10-12 17:21:41,825 INFO L82 BuchiComplementNCSB]: Finished buchiComplementNCSB. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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 7 states and 305 transitions. [2023-10-12 17:21:41,825 INFO L79 BuchiIntersect]: Starting Intersection [2023-10-12 17:21:41,843 INFO L86 BuchiIntersect]: Exiting Intersection [2023-10-12 17:21:41,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-10-12 17:21:41,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) [2023-10-12 17:21:41,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 200 transitions. [2023-10-12 17:21:41,848 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 200 transitions. Stem has 3 letters. Loop has 2 letters. [2023-10-12 17:21:41,848 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:21:41,848 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 200 transitions. Stem has 5 letters. Loop has 2 letters. [2023-10-12 17:21:41,848 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:21:41,848 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 200 transitions. Stem has 3 letters. Loop has 4 letters. [2023-10-12 17:21:41,848 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-10-12 17:21:41,848 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 40 places, 1888 transitions, 13632 flow [2023-10-12 17:21:41,910 INFO L124 PetriNetUnfolderBase]: 123/251 cut-off events. [2023-10-12 17:21:41,910 INFO L125 PetriNetUnfolderBase]: For 73/73 co-relation queries the response was YES. [2023-10-12 17:21:41,911 INFO L83 FinitePrefix]: Finished finitePrefix Result has 824 conditions, 251 events. 123/251 cut-off events. For 73/73 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 1142 event pairs, 4 based on Foata normal form. 0/149 useless extension candidates. Maximal degree in co-relation 441. Up to 87 conditions per place. [2023-10-12 17:21:41,911 INFO L82 GeneralOperation]: Start removeDeadBuchi. Operand has 40 places, 1888 transitions, 13632 flow [2023-10-12 17:21:41,933 INFO L88 GeneralOperation]: Finished RemoveDeadBuchi, result has has 40 places, 1888 transitions, 13632 flow [2023-10-12 17:21:41,933 INFO L430 stractBuchiCegarLoop]: Abstraction has has 40 places, 1888 transitions, 13632 flow [2023-10-12 17:21:41,933 INFO L337 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-10-12 17:21:41,933 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 40 places, 1888 transitions, 13632 flow [2023-10-12 17:21:41,982 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2023-10-12 17:21:41,987 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2023-10-12 17:21:42,014 INFO L124 PetriNetUnfolderBase]: 123/251 cut-off events. [2023-10-12 17:21:42,014 INFO L125 PetriNetUnfolderBase]: For 73/73 co-relation queries the response was YES. [2023-10-12 17:21:42,014 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is empty [2023-10-12 17:21:42,023 INFO L201 PluginConnector]: Adding new model array-eq-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.10 05:21:42 BoogieIcfgContainer [2023-10-12 17:21:42,023 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-10-12 17:21:42,024 INFO L158 Benchmark]: Toolchain (without parser) took 4913.88ms. Allocated memory was 182.5MB in the beginning and 370.1MB in the end (delta: 187.7MB). Free memory was 133.2MB in the beginning and 326.6MB in the end (delta: -193.5MB). Peak memory consumption was 149.3MB. Max. memory is 8.0GB. [2023-10-12 17:21:42,024 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.21ms. Allocated memory is still 182.5MB. Free memory is still 134.2MB. There was no memory consumed. Max. memory is 8.0GB. [2023-10-12 17:21:42,024 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.30ms. Allocated memory is still 182.5MB. Free memory was 133.0MB in the beginning and 131.6MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-10-12 17:21:42,025 INFO L158 Benchmark]: Boogie Preprocessor took 12.00ms. Allocated memory is still 182.5MB. Free memory was 131.6MB in the beginning and 130.5MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-10-12 17:21:42,025 INFO L158 Benchmark]: RCFGBuilder took 197.14ms. Allocated memory is still 182.5MB. Free memory was 130.4MB in the beginning and 121.2MB in the end (delta: 9.2MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2023-10-12 17:21:42,026 INFO L158 Benchmark]: BuchiAutomizer took 4677.15ms. Allocated memory was 182.5MB in the beginning and 370.1MB in the end (delta: 187.7MB). Free memory was 121.0MB in the beginning and 326.6MB in the end (delta: -205.6MB). Peak memory consumption was 136.7MB. Max. memory is 8.0GB. [2023-10-12 17:21:42,026 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.21ms. Allocated memory is still 182.5MB. Free memory is still 134.2MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 24.30ms. Allocated memory is still 182.5MB. Free memory was 133.0MB in the beginning and 131.6MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 12.00ms. Allocated memory is still 182.5MB. Free memory was 131.6MB in the beginning and 130.5MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 197.14ms. Allocated memory is still 182.5MB. Free memory was 130.4MB in the beginning and 121.2MB in the end (delta: 9.2MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * BuchiAutomizer took 4677.15ms. Allocated memory was 182.5MB in the beginning and 370.1MB in the end (delta: 187.7MB). Free memory was 121.0MB in the beginning and 326.6MB in the end (delta: -205.6MB). Peak memory consumption was 136.7MB. 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 2 terminating modules (0 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has 2-lex ranking function -1 * i_AB + Bn, -5 * (if break_AB then 1 else 0) + 4 * Bn + -4 * i_AB and consists of 4 locations. One deterministic module has affine ranking function An + -1 * i_BA and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.5s and 3 iterations. TraceHistogramMax:0. Analysis of lassos took 3.5s. Construction of modules took 0.1s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 1/1 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 166 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 164 mSDsluCounter, 127 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 46 mSDsCounter, 19 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 199 IncrementalHoareTripleChecker+Invalid, 218 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 19 mSolverCounterUnsat, 81 mSDtfsCounter, 199 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital65 mio100 ax100 hnf100 lsp151 ukn41 mio100 lsp96 div100 bol112 ite100 ukn100 eq152 hnf98 smp100 dnf523 smp27 tf100 neg100 sie127 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 155ms VariablesStem: 2 VariablesLoop: 8 DisjunctsStem: 1 DisjunctsLoop: 3 SupportingInvariants: 15 MotzkinApplications: 75 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.4s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.4s, 26 PlacesBefore, 16 PlacesAfterwards, 23 TransitionsBefore, 11 TransitionsAfterwards, 126 CoEnabledTransitionPairs, 2 FixpointIterations, 3 TrivialSequentialCompositions, 8 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 2 ChoiceCompositions, 13 TotalNumberOfCompositions, 86 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 86, independent: 86, independent conditional: 0, independent unconditional: 86, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 72, independent: 72, independent conditional: 0, independent unconditional: 72, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 72, independent: 72, independent conditional: 0, independent unconditional: 72, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 86, independent: 14, independent conditional: 0, independent unconditional: 14, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 72, unknown conditional: 0, unknown unconditional: 72] , Statistics on independence cache: Total cache size (in pairs): 6, Positive cache size: 6, Positive conditional cache size: 0, Positive unconditional cache size: 6, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 RESULT: Ultimate proved your program to be correct! [2023-10-12 17:21:42,046 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...