/root/.sdkman/candidates/java/21.0.5-tem/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/buchiAutomizer/concurrent-automaton-noLbe.epf --buchiautomizer.automaton.type.for.concurrent.programs PARTIAL_ORDER_BA -tc ../../../trunk/examples/toolchains/BuchiAutomizerBplInline.xml -i /storage/cav23-termute-examples/3_thr/adfg_3_x_n_t_indep.c.bpl -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.ample-buchi-601be74-m [2025-02-17 22:48:55,612 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-17 22:48:55,660 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/buchiAutomizer/concurrent-automaton-noLbe.epf [2025-02-17 22:48:55,666 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-17 22:48:55,666 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-17 22:48:55,688 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-17 22:48:55,688 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-17 22:48:55,688 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-17 22:48:55,689 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-17 22:48:55,689 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-17 22:48:55,689 INFO L153 SettingsManager]: * Use SBE=true [2025-02-17 22:48:55,689 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-02-17 22:48:55,689 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-02-17 22:48:55,689 INFO L153 SettingsManager]: * Use old map elimination=false [2025-02-17 22:48:55,689 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-02-17 22:48:55,689 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-02-17 22:48:55,689 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-02-17 22:48:55,689 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-17 22:48:55,689 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-02-17 22:48:55,689 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-17 22:48:55,689 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-17 22:48:55,689 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-17 22:48:55,691 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-17 22:48:55,691 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-02-17 22:48:55,691 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-02-17 22:48:55,691 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-02-17 22:48:55,691 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-17 22:48:55,691 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-17 22:48:55,691 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-17 22:48:55,691 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-02-17 22:48:55,692 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-17 22:48:55,692 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-02-17 22:48:55,692 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-17 22:48:55,692 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-17 22:48:55,692 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-17 22:48:55,692 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-02-17 22:48:55,692 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Automaton type for concurrent programs -> PARTIAL_ORDER_BA [2025-02-17 22:48:55,906 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-17 22:48:55,914 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-17 22:48:55,916 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-17 22:48:55,917 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2025-02-17 22:48:55,917 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2025-02-17 22:48:55,918 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/cav23-termute-examples/3_thr/adfg_3_x_n_t_indep.c.bpl [2025-02-17 22:48:55,918 INFO L110 BoogieParser]: Parsing: '/storage/cav23-termute-examples/3_thr/adfg_3_x_n_t_indep.c.bpl' [2025-02-17 22:48:55,929 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-17 22:48:55,930 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2025-02-17 22:48:55,931 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-17 22:48:55,931 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-17 22:48:55,931 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-17 22:48:55,937 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "adfg_3_x_n_t_indep.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:48:55" (1/1) ... [2025-02-17 22:48:55,942 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "adfg_3_x_n_t_indep.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:48:55" (1/1) ... [2025-02-17 22:48:55,946 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2025-02-17 22:48:55,946 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-17 22:48:55,947 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-17 22:48:55,947 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-17 22:48:55,947 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-17 22:48:55,951 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "adfg_3_x_n_t_indep.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:48:55" (1/1) ... [2025-02-17 22:48:55,951 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "adfg_3_x_n_t_indep.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:48:55" (1/1) ... [2025-02-17 22:48:55,952 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "adfg_3_x_n_t_indep.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:48:55" (1/1) ... [2025-02-17 22:48:55,952 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "adfg_3_x_n_t_indep.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:48:55" (1/1) ... [2025-02-17 22:48:55,953 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "adfg_3_x_n_t_indep.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:48:55" (1/1) ... [2025-02-17 22:48:55,954 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "adfg_3_x_n_t_indep.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:48:55" (1/1) ... [2025-02-17 22:48:55,956 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "adfg_3_x_n_t_indep.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:48:55" (1/1) ... [2025-02-17 22:48:55,956 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "adfg_3_x_n_t_indep.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:48:55" (1/1) ... [2025-02-17 22:48:55,957 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "adfg_3_x_n_t_indep.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:48:55" (1/1) ... [2025-02-17 22:48:55,957 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-17 22:48:55,958 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-02-17 22:48:55,958 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-02-17 22:48:55,958 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-02-17 22:48:55,958 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "adfg_3_x_n_t_indep.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:48:55" (1/1) ... [2025-02-17 22:48:55,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:55,969 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:55,991 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:55,993 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2025-02-17 22:48:56,009 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2025-02-17 22:48:56,009 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-02-17 22:48:56,009 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-02-17 22:48:56,009 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2025-02-17 22:48:56,009 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-02-17 22:48:56,009 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-02-17 22:48:56,009 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2025-02-17 22:48:56,009 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-02-17 22:48:56,009 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-02-17 22:48:56,009 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2025-02-17 22:48:56,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-17 22:48:56,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-17 22:48:56,010 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-02-17 22:48:56,043 INFO L234 CfgBuilder]: Building ICFG [2025-02-17 22:48:56,045 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-17 22:48:56,143 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-17 22:48:56,144 INFO L283 CfgBuilder]: Performing block encoding [2025-02-17 22:48:56,153 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-17 22:48:56,154 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-17 22:48:56,154 INFO L201 PluginConnector]: Adding new model adfg_3_x_n_t_indep.c.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 10:48:56 BoogieIcfgContainer [2025-02-17 22:48:56,154 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-02-17 22:48:56,155 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-02-17 22:48:56,155 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-02-17 22:48:56,160 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-02-17 22:48:56,161 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-17 22:48:56,161 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "adfg_3_x_n_t_indep.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:48:55" (1/2) ... [2025-02-17 22:48:56,162 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@362a32 and model type adfg_3_x_n_t_indep.c.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.02 10:48:56, skipping insertion in model container [2025-02-17 22:48:56,162 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-17 22:48:56,163 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "adfg_3_x_n_t_indep.c.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 10:48:56" (2/2) ... [2025-02-17 22:48:56,164 INFO L363 chiAutomizerObserver]: Analyzing ICFG adfg_3_x_n_t_indep.c.bpl [2025-02-17 22:48:56,224 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2025-02-17 22:48:56,270 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 44 places, 46 transitions, 113 flow [2025-02-17 22:48:56,298 INFO L124 PetriNetUnfolderBase]: 9/40 cut-off events. [2025-02-17 22:48:56,300 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2025-02-17 22:48:56,303 INFO L83 FinitePrefix]: Finished finitePrefix Result has 53 conditions, 40 events. 9/40 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 96 event pairs, 0 based on Foata normal form. 0/31 useless extension candidates. Maximal degree in co-relation 39. Up to 4 conditions per place. [2025-02-17 22:48:56,304 INFO L82 GeneralOperation]: Start removeDead. Operand has 44 places, 46 transitions, 113 flow [2025-02-17 22:48:56,306 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 41 places, 40 transitions, 98 flow [2025-02-17 22:48:56,312 WARN L98 AmpleReduction]: Starting ample reduction [2025-02-17 22:48:56,629 INFO L100 AmpleReduction]: Finished ample reduction [2025-02-17 22:48:56,630 INFO L101 AmpleReduction]: Number of pruned transitions: 368, Number of non-trivial ample sets: 664 [2025-02-17 22:48:56,630 INFO L103 AmpleReduction]: Number of trivial ample sets caused by loops: 698 [2025-02-17 22:48:56,637 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-02-17 22:48:56,637 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-02-17 22:48:56,637 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-02-17 22:48:56,637 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-02-17 22:48:56,637 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-02-17 22:48:56,637 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-02-17 22:48:56,637 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-02-17 22:48:56,637 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-02-17 22:48:56,642 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 513 states, 512 states have (on average 2.73828125) internal successors, (1402), 512 states have internal predecessors, (1402), 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) [2025-02-17 22:48:56,673 INFO L131 ngComponentsAnalysis]: Automaton has 55 accepting balls. 424 [2025-02-17 22:48:56,673 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-17 22:48:56,673 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-17 22:48:56,676 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2025-02-17 22:48:56,677 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-02-17 22:48:56,677 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-02-17 22:48:56,678 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 513 states, 512 states have (on average 2.73828125) internal successors, (1402), 512 states have internal predecessors, (1402), 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) [2025-02-17 22:48:56,690 INFO L131 ngComponentsAnalysis]: Automaton has 55 accepting balls. 424 [2025-02-17 22:48:56,691 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-17 22:48:56,691 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-17 22:48:56,691 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2025-02-17 22:48:56,691 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-02-17 22:48:56,698 INFO L752 eck$LassoCheckResult]: Stem: "[148] $Ultimate##0-->$Ultimate##0: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0]" "[113] $Ultimate##0-->L30: Formula: (<= 1 v_b_2) InVars {b=v_b_2} OutVars{b=v_b_2} AuxVars[] AssignedVars[]" "[115] L30-->L38-2: Formula: (= v_t1_2 1) InVars {} OutVars{t1=v_t1_2} AuxVars[] AssignedVars[t1]" [2025-02-17 22:48:56,698 INFO L754 eck$LassoCheckResult]: Loop: "[118] L38-2-->L38: Formula: (<= v_x1_4 v_n1_2) InVars {x1=v_x1_4, n1=v_n1_2} OutVars{x1=v_x1_4, n1=v_n1_2} AuxVars[] AssignedVars[]" "[120] L38-->L40: Formula: (<= 1 v_b_4) InVars {b=v_b_4} OutVars{b=v_b_4} AuxVars[] AssignedVars[]" "[122] L40-->L38-2: Formula: (= v_x1_5 (+ v_x1_6 v_t1_4)) InVars {t1=v_t1_4, x1=v_x1_6} OutVars{t1=v_t1_4, x1=v_x1_5} AuxVars[] AssignedVars[x1]" [2025-02-17 22:48:56,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:56,703 INFO L85 PathProgramCache]: Analyzing trace with hash 175637, now seen corresponding path program 1 times [2025-02-17 22:48:56,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:56,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096327990] [2025-02-17 22:48:56,709 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:56,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:56,751 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:56,758 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:56,758 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:56,758 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:56,758 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:56,760 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:56,761 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:56,761 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:56,761 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:56,776 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:56,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:56,778 INFO L85 PathProgramCache]: Analyzing trace with hash 147031, now seen corresponding path program 1 times [2025-02-17 22:48:56,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:56,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41311958] [2025-02-17 22:48:56,779 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:56,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:56,783 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:56,785 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:56,785 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:56,785 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:56,785 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:56,786 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:56,787 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:56,787 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:56,787 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:56,788 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:56,790 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:56,790 INFO L85 PathProgramCache]: Analyzing trace with hash 937551811, now seen corresponding path program 1 times [2025-02-17 22:48:56,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:56,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323698561] [2025-02-17 22:48:56,790 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:56,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:56,792 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-17 22:48:56,796 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-17 22:48:56,796 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:56,796 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:56,796 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:56,797 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-17 22:48:56,800 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-17 22:48:56,800 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:56,800 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:56,802 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:56,875 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:48:56,876 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:48:56,876 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:48:56,876 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:48:56,876 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-02-17 22:48:56,876 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:56,876 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:48:56,876 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:48:56,877 INFO L132 ssoRankerPreferences]: Filename of dumped script: adfg_3_x_n_t_indep.c.bpl_petrified1_Iteration1_Lasso [2025-02-17 22:48:56,877 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:48:56,877 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:48:56,885 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:56,892 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:56,901 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:56,969 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:48:56,969 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-02-17 22:48:56,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:56,971 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:56,973 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:56,976 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2025-02-17 22:48:56,977 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:56,977 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:56,998 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:48:56,998 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {b=1} Honda state: {b=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:48:57,003 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2025-02-17 22:48:57,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:57,004 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:57,006 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:57,007 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2025-02-17 22:48:57,007 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:57,007 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:57,026 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2025-02-17 22:48:57,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:57,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:57,028 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:57,029 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2025-02-17 22:48:57,029 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-02-17 22:48:57,029 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:57,176 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-02-17 22:48:57,182 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2025-02-17 22:48:57,182 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:48:57,182 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:48:57,182 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:48:57,182 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:48:57,182 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-17 22:48:57,182 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:57,182 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:48:57,182 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:48:57,182 INFO L132 ssoRankerPreferences]: Filename of dumped script: adfg_3_x_n_t_indep.c.bpl_petrified1_Iteration1_Lasso [2025-02-17 22:48:57,182 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:48:57,182 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:48:57,183 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:57,188 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:57,194 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:57,242 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:48:57,245 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-17 22:48:57,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:57,247 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:57,249 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:57,250 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2025-02-17 22:48:57,251 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 [2025-02-17 22:48:57,264 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:48:57,265 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:48:57,265 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:48:57,265 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:48:57,270 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:48:57,271 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:48:57,281 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:48:57,289 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2025-02-17 22:48:57,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:57,290 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:57,292 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:57,297 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2025-02-17 22:48:57,298 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 [2025-02-17 22:48:57,318 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:48:57,318 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:48:57,318 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:48:57,318 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:48:57,326 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:48:57,326 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:48:57,333 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:48:57,340 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2025-02-17 22:48:57,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:57,340 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:57,343 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:57,343 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2025-02-17 22:48:57,345 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 [2025-02-17 22:48:57,355 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:48:57,355 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:48:57,355 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:48:57,355 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:48:57,359 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:48:57,359 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:48:57,366 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-17 22:48:57,370 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2025-02-17 22:48:57,371 INFO L444 ModelExtractionUtils]: 5 out of 13 variables were initially zero. Simplification set additionally 0 variables to zero. [2025-02-17 22:48:57,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:57,372 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:57,375 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:57,376 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2025-02-17 22:48:57,377 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-17 22:48:57,388 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2025-02-17 22:48:57,389 INFO L474 LassoAnalysis]: Proved termination. [2025-02-17 22:48:57,389 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(n1, x1, t1) = 2*n1 - 2*x1 + 1*t1 Supporting invariants [1*t1 - 1 >= 0] [2025-02-17 22:48:57,396 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2025-02-17 22:48:57,403 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2025-02-17 22:48:57,439 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:57,449 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:57,449 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:57,450 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:57,450 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:48:57,451 INFO L256 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-17 22:48:57,452 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:48:57,464 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:57,465 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:57,466 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:57,466 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:48:57,466 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-17 22:48:57,466 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:48:57,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-17 22:48:57,515 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 [2025-02-17 22:48:57,517 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 513 states, 512 states have (on average 2.73828125) internal successors, (1402), 512 states have internal predecessors, (1402), 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) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2025-02-17 22:48:57,683 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 513 states, 512 states have (on average 2.73828125) internal successors, (1402), 512 states have internal predecessors, (1402), 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). Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 2259 states and 6478 transitions. Complement of second has 7 states. [2025-02-17 22:48:57,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2025-02-17 22:48:57,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2025-02-17 22:48:57,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 119 transitions. [2025-02-17 22:48:57,702 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 119 transitions. Stem has 3 letters. Loop has 3 letters. [2025-02-17 22:48:57,703 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:48:57,703 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 119 transitions. Stem has 6 letters. Loop has 3 letters. [2025-02-17 22:48:57,703 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:48:57,703 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 119 transitions. Stem has 3 letters. Loop has 6 letters. [2025-02-17 22:48:57,703 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:48:57,704 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2259 states and 6478 transitions. [2025-02-17 22:48:57,739 INFO L131 ngComponentsAnalysis]: Automaton has 159 accepting balls. 1128 [2025-02-17 22:48:57,772 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2259 states to 1903 states and 5520 transitions. [2025-02-17 22:48:57,773 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1409 [2025-02-17 22:48:57,781 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1610 [2025-02-17 22:48:57,782 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1903 states and 5520 transitions. [2025-02-17 22:48:57,784 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-17 22:48:57,784 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1903 states and 5520 transitions. [2025-02-17 22:48:57,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1903 states and 5520 transitions. [2025-02-17 22:48:57,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1903 to 979. [2025-02-17 22:48:57,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 979 states, 979 states have (on average 3.0715015321756893) internal successors, (3007), 978 states have internal predecessors, (3007), 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) [2025-02-17 22:48:57,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 979 states to 979 states and 3007 transitions. [2025-02-17 22:48:57,860 INFO L240 hiAutomatonCegarLoop]: Abstraction has 979 states and 3007 transitions. [2025-02-17 22:48:57,860 INFO L432 stractBuchiCegarLoop]: Abstraction has 979 states and 3007 transitions. [2025-02-17 22:48:57,860 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-02-17 22:48:57,860 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 979 states and 3007 transitions. [2025-02-17 22:48:57,865 INFO L131 ngComponentsAnalysis]: Automaton has 73 accepting balls. 532 [2025-02-17 22:48:57,866 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-17 22:48:57,866 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-17 22:48:57,866 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2025-02-17 22:48:57,866 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-02-17 22:48:57,866 INFO L752 eck$LassoCheckResult]: Stem: "[148] $Ultimate##0-->$Ultimate##0: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0]" "[114] $Ultimate##0-->L34: Formula: (< v_b_3 1) InVars {b=v_b_3} OutVars{b=v_b_3} AuxVars[] AssignedVars[]" "[116] L34-->L38-2: Formula: (= (+ v_t1_3 1) 0) InVars {} OutVars{t1=v_t1_3} AuxVars[] AssignedVars[t1]" [2025-02-17 22:48:57,867 INFO L754 eck$LassoCheckResult]: Loop: "[118] L38-2-->L38: Formula: (<= v_x1_4 v_n1_2) InVars {x1=v_x1_4, n1=v_n1_2} OutVars{x1=v_x1_4, n1=v_n1_2} AuxVars[] AssignedVars[]" "[120] L38-->L40: Formula: (<= 1 v_b_4) InVars {b=v_b_4} OutVars{b=v_b_4} AuxVars[] AssignedVars[]" "[122] L40-->L38-2: Formula: (= v_x1_5 (+ v_x1_6 v_t1_4)) InVars {t1=v_t1_4, x1=v_x1_6} OutVars{t1=v_t1_4, x1=v_x1_5} AuxVars[] AssignedVars[x1]" [2025-02-17 22:48:57,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:57,867 INFO L85 PathProgramCache]: Analyzing trace with hash 175669, now seen corresponding path program 1 times [2025-02-17 22:48:57,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:57,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552779814] [2025-02-17 22:48:57,867 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:57,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:57,870 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:57,871 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:57,871 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:57,871 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:57,871 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:57,872 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:57,872 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:57,872 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:57,872 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:57,873 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:57,874 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:57,874 INFO L85 PathProgramCache]: Analyzing trace with hash 147031, now seen corresponding path program 2 times [2025-02-17 22:48:57,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:57,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869188299] [2025-02-17 22:48:57,874 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-17 22:48:57,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:57,876 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:57,877 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:57,877 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-17 22:48:57,877 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:57,877 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:57,878 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:57,879 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:57,879 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:57,879 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:57,880 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:57,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:57,880 INFO L85 PathProgramCache]: Analyzing trace with hash 938505123, now seen corresponding path program 1 times [2025-02-17 22:48:57,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:57,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276910078] [2025-02-17 22:48:57,880 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:57,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:57,882 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-17 22:48:57,884 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-17 22:48:57,884 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:57,884 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:48:57,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-17 22:48:57,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-17 22:48:57,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276910078] [2025-02-17 22:48:57,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [276910078] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-17 22:48:57,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-17 22:48:57,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-17 22:48:57,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363267060] [2025-02-17 22:48:57,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-17 22:48:57,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-17 22:48:57,949 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-17 22:48:57,950 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-17 22:48:57,950 INFO L87 Difference]: Start difference. First operand 979 states and 3007 transitions. cyclomatic complexity: 2132 Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2025-02-17 22:48:58,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-17 22:48:58,018 INFO L93 Difference]: Finished difference Result 1182 states and 3296 transitions. [2025-02-17 22:48:58,019 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1182 states and 3296 transitions. [2025-02-17 22:48:58,047 INFO L131 ngComponentsAnalysis]: Automaton has 129 accepting balls. 549 [2025-02-17 22:48:58,056 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2025-02-17 22:48:58,059 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1182 states to 1066 states and 2882 transitions. [2025-02-17 22:48:58,059 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 774 [2025-02-17 22:48:58,060 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 851 [2025-02-17 22:48:58,060 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1066 states and 2882 transitions. [2025-02-17 22:48:58,060 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-17 22:48:58,060 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1066 states and 2882 transitions. [2025-02-17 22:48:58,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1066 states and 2882 transitions. [2025-02-17 22:48:58,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1066 to 886. [2025-02-17 22:48:58,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 886 states, 886 states have (on average 2.636568848758465) internal successors, (2336), 885 states have internal predecessors, (2336), 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) [2025-02-17 22:48:58,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 886 states and 2336 transitions. [2025-02-17 22:48:58,087 INFO L240 hiAutomatonCegarLoop]: Abstraction has 886 states and 2336 transitions. [2025-02-17 22:48:58,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-17 22:48:58,088 INFO L432 stractBuchiCegarLoop]: Abstraction has 886 states and 2336 transitions. [2025-02-17 22:48:58,088 INFO L338 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2025-02-17 22:48:58,088 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 886 states and 2336 transitions. [2025-02-17 22:48:58,092 INFO L131 ngComponentsAnalysis]: Automaton has 113 accepting balls. 489 [2025-02-17 22:48:58,092 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-17 22:48:58,092 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-17 22:48:58,092 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2025-02-17 22:48:58,092 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-02-17 22:48:58,092 INFO L752 eck$LassoCheckResult]: Stem: "[148] $Ultimate##0-->$Ultimate##0: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0]" "[114] $Ultimate##0-->L34: Formula: (< v_b_3 1) InVars {b=v_b_3} OutVars{b=v_b_3} AuxVars[] AssignedVars[]" "[116] L34-->L38-2: Formula: (= (+ v_t1_3 1) 0) InVars {} OutVars{t1=v_t1_3} AuxVars[] AssignedVars[t1]" [2025-02-17 22:48:58,092 INFO L754 eck$LassoCheckResult]: Loop: "[118] L38-2-->L38: Formula: (<= v_x1_4 v_n1_2) InVars {x1=v_x1_4, n1=v_n1_2} OutVars{x1=v_x1_4, n1=v_n1_2} AuxVars[] AssignedVars[]" "[121] L38-->L44: Formula: (< v_b_1 1) InVars {b=v_b_1} OutVars{b=v_b_1} AuxVars[] AssignedVars[]" "[123] L44-->L38-2: Formula: (= (+ v_x1_1 v_t1_1) v_x1_2) InVars {t1=v_t1_1, x1=v_x1_2} OutVars{t1=v_t1_1, x1=v_x1_1} AuxVars[] AssignedVars[x1]" [2025-02-17 22:48:58,093 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:58,093 INFO L85 PathProgramCache]: Analyzing trace with hash 175669, now seen corresponding path program 2 times [2025-02-17 22:48:58,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:58,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651898702] [2025-02-17 22:48:58,093 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-17 22:48:58,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:58,095 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:58,095 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:58,096 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-17 22:48:58,096 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:58,096 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:58,097 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:58,100 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:58,100 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:58,100 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:58,101 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:58,102 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:58,102 INFO L85 PathProgramCache]: Analyzing trace with hash 147063, now seen corresponding path program 1 times [2025-02-17 22:48:58,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:58,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929470937] [2025-02-17 22:48:58,102 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:58,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:58,103 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:58,106 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:58,107 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:58,107 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:58,107 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:58,108 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:58,109 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:58,109 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:58,109 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:58,110 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:58,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:58,110 INFO L85 PathProgramCache]: Analyzing trace with hash 938505155, now seen corresponding path program 1 times [2025-02-17 22:48:58,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:58,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723369682] [2025-02-17 22:48:58,111 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:58,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:58,113 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-17 22:48:58,114 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-17 22:48:58,114 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:58,114 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:58,114 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:58,115 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-17 22:48:58,116 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-17 22:48:58,116 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:58,116 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:58,118 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:58,155 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:48:58,156 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:48:58,156 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:48:58,156 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:48:58,156 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-02-17 22:48:58,156 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:58,156 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:48:58,156 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:48:58,156 INFO L132 ssoRankerPreferences]: Filename of dumped script: adfg_3_x_n_t_indep.c.bpl_petrified1_Iteration3_Lasso [2025-02-17 22:48:58,156 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:48:58,156 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:48:58,157 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:58,164 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:58,167 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:58,194 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:48:58,195 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-02-17 22:48:58,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:58,195 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:58,197 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:58,197 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2025-02-17 22:48:58,198 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:58,198 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:58,215 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2025-02-17 22:48:58,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:58,215 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:58,218 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:58,218 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2025-02-17 22:48:58,219 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-02-17 22:48:58,219 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:58,327 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-02-17 22:48:58,332 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2025-02-17 22:48:58,332 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:48:58,332 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:48:58,332 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:48:58,332 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:48:58,332 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-17 22:48:58,332 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:58,332 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:48:58,332 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:48:58,332 INFO L132 ssoRankerPreferences]: Filename of dumped script: adfg_3_x_n_t_indep.c.bpl_petrified1_Iteration3_Lasso [2025-02-17 22:48:58,332 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:48:58,332 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:48:58,333 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:58,336 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:58,344 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:58,372 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:48:58,373 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-17 22:48:58,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:58,373 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:58,377 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:58,378 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2025-02-17 22:48:58,379 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 [2025-02-17 22:48:58,389 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:48:58,389 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:48:58,389 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:48:58,389 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:48:58,391 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:48:58,391 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:48:58,394 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:48:58,400 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2025-02-17 22:48:58,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:58,400 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:58,401 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:58,402 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2025-02-17 22:48:58,403 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 [2025-02-17 22:48:58,413 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:48:58,413 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:48:58,413 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:48:58,413 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:48:58,415 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:48:58,415 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:48:58,419 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-17 22:48:58,424 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2025-02-17 22:48:58,425 INFO L444 ModelExtractionUtils]: 6 out of 13 variables were initially zero. Simplification set additionally 1 variables to zero. [2025-02-17 22:48:58,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:58,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:58,427 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:58,428 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2025-02-17 22:48:58,429 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-17 22:48:58,441 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2025-02-17 22:48:58,441 INFO L474 LassoAnalysis]: Proved termination. [2025-02-17 22:48:58,441 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(n1, x1) = 2*n1 - 2*x1 + 1 Supporting invariants [-1*t1 - 1 >= 0] [2025-02-17 22:48:58,448 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2025-02-17 22:48:58,450 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2025-02-17 22:48:58,468 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:58,471 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:58,472 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:58,472 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:58,472 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:48:58,472 INFO L256 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-17 22:48:58,473 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:48:58,478 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:58,478 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:58,479 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:58,479 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:48:58,479 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-17 22:48:58,479 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:48:58,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-17 22:48:58,504 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 [2025-02-17 22:48:58,505 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 886 states and 2336 transitions. cyclomatic complexity: 1592 Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2025-02-17 22:48:58,571 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 886 states and 2336 transitions. cyclomatic complexity: 1592. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 1516 states and 3960 transitions. Complement of second has 6 states. [2025-02-17 22:48:58,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2025-02-17 22:48:58,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2025-02-17 22:48:58,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 92 transitions. [2025-02-17 22:48:58,573 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 92 transitions. Stem has 3 letters. Loop has 3 letters. [2025-02-17 22:48:58,574 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:48:58,574 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 92 transitions. Stem has 6 letters. Loop has 3 letters. [2025-02-17 22:48:58,574 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:48:58,574 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 92 transitions. Stem has 3 letters. Loop has 6 letters. [2025-02-17 22:48:58,574 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:48:58,574 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1516 states and 3960 transitions. [2025-02-17 22:48:58,584 INFO L131 ngComponentsAnalysis]: Automaton has 150 accepting balls. 636 [2025-02-17 22:48:58,594 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1516 states to 1356 states and 3566 transitions. [2025-02-17 22:48:58,594 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 870 [2025-02-17 22:48:58,598 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 979 [2025-02-17 22:48:58,598 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1356 states and 3566 transitions. [2025-02-17 22:48:58,598 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-17 22:48:58,598 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1356 states and 3566 transitions. [2025-02-17 22:48:58,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1356 states and 3566 transitions. [2025-02-17 22:48:58,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1356 to 1154. [2025-02-17 22:48:58,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1154 states, 1154 states have (on average 2.699306759098787) internal successors, (3115), 1153 states have internal predecessors, (3115), 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) [2025-02-17 22:48:58,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1154 states to 1154 states and 3115 transitions. [2025-02-17 22:48:58,652 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1154 states and 3115 transitions. [2025-02-17 22:48:58,652 INFO L432 stractBuchiCegarLoop]: Abstraction has 1154 states and 3115 transitions. [2025-02-17 22:48:58,652 INFO L338 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2025-02-17 22:48:58,652 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1154 states and 3115 transitions. [2025-02-17 22:48:58,657 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2025-02-17 22:48:58,659 INFO L131 ngComponentsAnalysis]: Automaton has 129 accepting balls. 555 [2025-02-17 22:48:58,660 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-17 22:48:58,660 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-17 22:48:58,660 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2025-02-17 22:48:58,660 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-02-17 22:48:58,660 INFO L752 eck$LassoCheckResult]: Stem: "[148] $Ultimate##0-->$Ultimate##0: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0]" "[113] $Ultimate##0-->L30: Formula: (<= 1 v_b_2) InVars {b=v_b_2} OutVars{b=v_b_2} AuxVars[] AssignedVars[]" "[115] L30-->L38-2: Formula: (= v_t1_2 1) InVars {} OutVars{t1=v_t1_2} AuxVars[] AssignedVars[t1]" "[118] L38-2-->L38: Formula: (<= v_x1_4 v_n1_2) InVars {x1=v_x1_4, n1=v_n1_2} OutVars{x1=v_x1_4, n1=v_n1_2} AuxVars[] AssignedVars[]" "[121] L38-->L44: Formula: (< v_b_1 1) InVars {b=v_b_1} OutVars{b=v_b_1} AuxVars[] AssignedVars[]" [2025-02-17 22:48:58,660 INFO L754 eck$LassoCheckResult]: Loop: "[123] L44-->L38-2: Formula: (= (+ v_x1_1 v_t1_1) v_x1_2) InVars {t1=v_t1_1, x1=v_x1_2} OutVars{t1=v_t1_1, x1=v_x1_1} AuxVars[] AssignedVars[x1]" "[118] L38-2-->L38: Formula: (<= v_x1_4 v_n1_2) InVars {x1=v_x1_4, n1=v_n1_2} OutVars{x1=v_x1_4, n1=v_n1_2} AuxVars[] AssignedVars[]" "[121] L38-->L44: Formula: (< v_b_1 1) InVars {b=v_b_1} OutVars{b=v_b_1} AuxVars[] AssignedVars[]" [2025-02-17 22:48:58,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:58,661 INFO L85 PathProgramCache]: Analyzing trace with hash 168790936, now seen corresponding path program 1 times [2025-02-17 22:48:58,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:58,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791613929] [2025-02-17 22:48:58,661 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:58,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:58,663 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-17 22:48:58,664 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-17 22:48:58,664 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:58,664 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:48:58,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-17 22:48:58,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-17 22:48:58,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791613929] [2025-02-17 22:48:58,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791613929] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-17 22:48:58,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-17 22:48:58,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-17 22:48:58,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349193568] [2025-02-17 22:48:58,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-17 22:48:58,677 INFO L757 eck$LassoCheckResult]: stem already infeasible [2025-02-17 22:48:58,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:58,678 INFO L85 PathProgramCache]: Analyzing trace with hash 151773, now seen corresponding path program 2 times [2025-02-17 22:48:58,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:58,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254192674] [2025-02-17 22:48:58,678 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-17 22:48:58,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:58,680 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:58,680 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:58,680 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-17 22:48:58,680 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:58,680 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:58,681 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:58,686 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:58,686 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:58,686 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:58,687 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:58,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-17 22:48:58,710 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-17 22:48:58,710 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-17 22:48:58,710 INFO L87 Difference]: Start difference. First operand 1154 states and 3115 transitions. cyclomatic complexity: 2136 Second operand has 3 states, 2 states have (on average 2.5) 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) [2025-02-17 22:48:58,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-17 22:48:58,734 INFO L93 Difference]: Finished difference Result 775 states and 2015 transitions. [2025-02-17 22:48:58,734 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 775 states and 2015 transitions. [2025-02-17 22:48:58,738 INFO L131 ngComponentsAnalysis]: Automaton has 73 accepting balls. 291 [2025-02-17 22:48:58,742 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 775 states to 748 states and 1945 transitions. [2025-02-17 22:48:58,743 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 424 [2025-02-17 22:48:58,743 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 424 [2025-02-17 22:48:58,743 INFO L73 IsDeterministic]: Start isDeterministic. Operand 748 states and 1945 transitions. [2025-02-17 22:48:58,743 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-17 22:48:58,743 INFO L218 hiAutomatonCegarLoop]: Abstraction has 748 states and 1945 transitions. [2025-02-17 22:48:58,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 748 states and 1945 transitions. [2025-02-17 22:48:58,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 748 to 748. [2025-02-17 22:48:58,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 748 states, 748 states have (on average 2.6002673796791442) internal successors, (1945), 747 states have internal predecessors, (1945), 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) [2025-02-17 22:48:58,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 748 states and 1945 transitions. [2025-02-17 22:48:58,758 INFO L240 hiAutomatonCegarLoop]: Abstraction has 748 states and 1945 transitions. [2025-02-17 22:48:58,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-17 22:48:58,759 INFO L432 stractBuchiCegarLoop]: Abstraction has 748 states and 1945 transitions. [2025-02-17 22:48:58,759 INFO L338 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2025-02-17 22:48:58,759 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 748 states and 1945 transitions. [2025-02-17 22:48:58,762 INFO L131 ngComponentsAnalysis]: Automaton has 73 accepting balls. 291 [2025-02-17 22:48:58,762 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-17 22:48:58,762 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-17 22:48:58,762 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-02-17 22:48:58,762 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-02-17 22:48:58,762 INFO L752 eck$LassoCheckResult]: Stem: "[148] $Ultimate##0-->$Ultimate##0: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0]" "[113] $Ultimate##0-->L30: Formula: (<= 1 v_b_2) InVars {b=v_b_2} OutVars{b=v_b_2} AuxVars[] AssignedVars[]" "[115] L30-->L38-2: Formula: (= v_t1_2 1) InVars {} OutVars{t1=v_t1_2} AuxVars[] AssignedVars[t1]" "[117] L38-2-->thread1FINAL: Formula: (< v_n1_1 v_x1_3) InVars {x1=v_x1_3, n1=v_n1_1} OutVars{x1=v_x1_3, n1=v_n1_1} AuxVars[] AssignedVars[]" "[119] thread1FINAL-->thread1EXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[]" "[151] L17-->$Ultimate##0: 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]" "[124] $Ultimate##0-->L54: Formula: (<= 1 v_b_7) InVars {b=v_b_7} OutVars{b=v_b_7} AuxVars[] AssignedVars[]" "[126] L54-->L62-2: Formula: (= v_t2_3 1) InVars {} OutVars{t2=v_t2_3} AuxVars[] AssignedVars[t2]" [2025-02-17 22:48:58,762 INFO L754 eck$LassoCheckResult]: Loop: "[129] L62-2-->L62: Formula: (<= v_x2_1 v_n2_1) InVars {n2=v_n2_1, x2=v_x2_1} OutVars{n2=v_n2_1, x2=v_x2_1} AuxVars[] AssignedVars[]" "[131] L62-->L64: Formula: (<= 1 v_b_5) InVars {b=v_b_5} OutVars{b=v_b_5} AuxVars[] AssignedVars[]" "[133] L64-->L62-2: Formula: (= (+ v_x2_3 v_t2_1) v_x2_2) InVars {t2=v_t2_1, x2=v_x2_3} OutVars{t2=v_t2_1, x2=v_x2_2} AuxVars[] AssignedVars[x2]" [2025-02-17 22:48:58,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:58,763 INFO L85 PathProgramCache]: Analyzing trace with hash -956763262, now seen corresponding path program 1 times [2025-02-17 22:48:58,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:58,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909864304] [2025-02-17 22:48:58,763 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:58,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:58,765 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-17 22:48:58,766 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-17 22:48:58,766 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:58,766 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:58,766 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:58,767 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-17 22:48:58,768 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-17 22:48:58,768 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:58,768 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:58,769 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:58,769 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:58,769 INFO L85 PathProgramCache]: Analyzing trace with hash 157954, now seen corresponding path program 1 times [2025-02-17 22:48:58,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:58,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580893453] [2025-02-17 22:48:58,769 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:58,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:58,771 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:58,772 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:58,772 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:58,772 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:58,772 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:58,772 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:58,773 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:58,773 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:58,773 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:58,774 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:58,774 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:58,774 INFO L85 PathProgramCache]: Analyzing trace with hash -1531233823, now seen corresponding path program 1 times [2025-02-17 22:48:58,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:58,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791852644] [2025-02-17 22:48:58,774 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:58,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:58,776 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-02-17 22:48:58,779 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-02-17 22:48:58,779 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:58,779 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:58,779 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:58,780 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-02-17 22:48:58,781 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-02-17 22:48:58,781 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:58,781 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:58,785 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:58,841 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:48:58,842 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:48:58,842 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:48:58,842 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:48:58,842 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-02-17 22:48:58,842 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:58,842 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:48:58,842 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:48:58,842 INFO L132 ssoRankerPreferences]: Filename of dumped script: adfg_3_x_n_t_indep.c.bpl_petrified1_Iteration5_Lasso [2025-02-17 22:48:58,842 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:48:58,842 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:48:58,843 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:58,845 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:58,848 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:58,851 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:58,856 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:58,858 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:58,860 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:58,913 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:48:58,913 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-02-17 22:48:58,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:58,913 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:58,915 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:58,917 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2025-02-17 22:48:58,918 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:58,918 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:58,936 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:48:58,937 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {n1=0, x1=1} Honda state: {n1=0, x1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:48:58,942 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2025-02-17 22:48:58,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:58,943 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:58,944 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:58,945 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2025-02-17 22:48:58,946 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:58,946 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:58,963 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:48:58,964 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {b=1} Honda state: {b=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:48:58,969 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2025-02-17 22:48:58,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:58,969 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:58,971 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:58,972 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2025-02-17 22:48:58,972 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:58,973 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:58,983 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:48:58,984 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread1Thread1of1ForFork0_thidvar0=0} Honda state: {thread1Thread1of1ForFork0_thidvar0=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:48:58,989 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2025-02-17 22:48:58,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:58,989 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:58,991 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:58,992 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2025-02-17 22:48:58,992 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:58,992 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:59,009 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2025-02-17 22:48:59,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:59,009 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:59,011 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:59,011 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2025-02-17 22:48:59,012 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-02-17 22:48:59,012 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:59,152 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-02-17 22:48:59,158 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2025-02-17 22:48:59,158 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:48:59,158 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:48:59,158 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:48:59,158 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:48:59,158 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-17 22:48:59,158 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:59,158 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:48:59,158 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:48:59,158 INFO L132 ssoRankerPreferences]: Filename of dumped script: adfg_3_x_n_t_indep.c.bpl_petrified1_Iteration5_Lasso [2025-02-17 22:48:59,158 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:48:59,158 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:48:59,159 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:59,164 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:59,166 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:59,168 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:59,172 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:59,173 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:59,176 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:59,241 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:48:59,241 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-17 22:48:59,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:59,241 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:59,244 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:59,245 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2025-02-17 22:48:59,245 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 [2025-02-17 22:48:59,255 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:48:59,256 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:48:59,256 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:48:59,256 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:48:59,258 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:48:59,258 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:48:59,261 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:48:59,268 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2025-02-17 22:48:59,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:59,268 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:59,270 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:59,272 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2025-02-17 22:48:59,274 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 [2025-02-17 22:48:59,284 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:48:59,284 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:48:59,285 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:48:59,285 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:48:59,286 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:48:59,286 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:48:59,289 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:48:59,295 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2025-02-17 22:48:59,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:59,296 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:59,298 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:59,299 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2025-02-17 22:48:59,300 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 [2025-02-17 22:48:59,310 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:48:59,310 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:48:59,310 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:48:59,310 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:48:59,312 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:48:59,312 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:48:59,315 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:48:59,320 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2025-02-17 22:48:59,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:59,320 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:59,322 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:59,323 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2025-02-17 22:48:59,324 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 [2025-02-17 22:48:59,334 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:48:59,334 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:48:59,335 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:48:59,335 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:48:59,340 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:48:59,340 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:48:59,344 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-17 22:48:59,348 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2025-02-17 22:48:59,349 INFO L444 ModelExtractionUtils]: 5 out of 13 variables were initially zero. Simplification set additionally 0 variables to zero. [2025-02-17 22:48:59,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:59,349 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:59,352 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:59,354 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2025-02-17 22:48:59,355 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-17 22:48:59,367 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2025-02-17 22:48:59,367 INFO L474 LassoAnalysis]: Proved termination. [2025-02-17 22:48:59,367 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(n2, t2, x2) = 2*n2 + 1*t2 - 2*x2 Supporting invariants [1*t2 - 1 >= 0] [2025-02-17 22:48:59,373 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2025-02-17 22:48:59,377 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2025-02-17 22:48:59,394 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:59,399 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-17 22:48:59,401 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-17 22:48:59,401 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:59,401 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:48:59,401 INFO L256 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-17 22:48:59,402 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:48:59,414 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:59,415 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:59,415 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:59,415 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:48:59,416 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-17 22:48:59,416 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:48:59,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-17 22:48:59,441 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 [2025-02-17 22:48:59,442 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 748 states and 1945 transitions. cyclomatic complexity: 1304 Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2025-02-17 22:48:59,500 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 748 states and 1945 transitions. cyclomatic complexity: 1304. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 1311 states and 3622 transitions. Complement of second has 6 states. [2025-02-17 22:48:59,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2025-02-17 22:48:59,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2025-02-17 22:48:59,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 85 transitions. [2025-02-17 22:48:59,501 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 85 transitions. Stem has 8 letters. Loop has 3 letters. [2025-02-17 22:48:59,501 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:48:59,501 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 85 transitions. Stem has 11 letters. Loop has 3 letters. [2025-02-17 22:48:59,502 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:48:59,502 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 85 transitions. Stem has 8 letters. Loop has 6 letters. [2025-02-17 22:48:59,502 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:48:59,502 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1311 states and 3622 transitions. [2025-02-17 22:48:59,521 INFO L131 ngComponentsAnalysis]: Automaton has 55 accepting balls. 201 [2025-02-17 22:48:59,527 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1311 states to 989 states and 2720 transitions. [2025-02-17 22:48:59,527 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 423 [2025-02-17 22:48:59,528 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 498 [2025-02-17 22:48:59,528 INFO L73 IsDeterministic]: Start isDeterministic. Operand 989 states and 2720 transitions. [2025-02-17 22:48:59,528 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-17 22:48:59,528 INFO L218 hiAutomatonCegarLoop]: Abstraction has 989 states and 2720 transitions. [2025-02-17 22:48:59,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 989 states and 2720 transitions. [2025-02-17 22:48:59,531 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2025-02-17 22:48:59,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 989 to 917. [2025-02-17 22:48:59,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 917 states, 917 states have (on average 2.7775354416575793) internal successors, (2547), 916 states have internal predecessors, (2547), 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) [2025-02-17 22:48:59,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 917 states to 917 states and 2547 transitions. [2025-02-17 22:48:59,545 INFO L240 hiAutomatonCegarLoop]: Abstraction has 917 states and 2547 transitions. [2025-02-17 22:48:59,545 INFO L432 stractBuchiCegarLoop]: Abstraction has 917 states and 2547 transitions. [2025-02-17 22:48:59,545 INFO L338 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2025-02-17 22:48:59,545 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 917 states and 2547 transitions. [2025-02-17 22:48:59,548 INFO L131 ngComponentsAnalysis]: Automaton has 55 accepting balls. 201 [2025-02-17 22:48:59,548 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-17 22:48:59,548 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-17 22:48:59,549 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-02-17 22:48:59,549 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-02-17 22:48:59,549 INFO L752 eck$LassoCheckResult]: Stem: "[148] $Ultimate##0-->$Ultimate##0: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0]" "[114] $Ultimate##0-->L34: Formula: (< v_b_3 1) InVars {b=v_b_3} OutVars{b=v_b_3} AuxVars[] AssignedVars[]" "[116] L34-->L38-2: Formula: (= (+ v_t1_3 1) 0) InVars {} OutVars{t1=v_t1_3} AuxVars[] AssignedVars[t1]" "[117] L38-2-->thread1FINAL: Formula: (< v_n1_1 v_x1_3) InVars {x1=v_x1_3, n1=v_n1_1} OutVars{x1=v_x1_3, n1=v_n1_1} AuxVars[] AssignedVars[]" "[119] thread1FINAL-->thread1EXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[]" "[151] L17-->$Ultimate##0: 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]" "[125] $Ultimate##0-->L58: Formula: (< v_b_8 1) InVars {b=v_b_8} OutVars{b=v_b_8} AuxVars[] AssignedVars[]" "[127] L58-->L62-2: Formula: (= (+ v_t2_4 1) 0) InVars {} OutVars{t2=v_t2_4} AuxVars[] AssignedVars[t2]" [2025-02-17 22:48:59,549 INFO L754 eck$LassoCheckResult]: Loop: "[129] L62-2-->L62: Formula: (<= v_x2_1 v_n2_1) InVars {n2=v_n2_1, x2=v_x2_1} OutVars{n2=v_n2_1, x2=v_x2_1} AuxVars[] AssignedVars[]" "[132] L62-->L68: Formula: (< v_b_6 1) InVars {b=v_b_6} OutVars{b=v_b_6} AuxVars[] AssignedVars[]" "[134] L68-->L62-2: Formula: (= v_x2_5 (+ v_x2_4 v_t2_2)) InVars {t2=v_t2_2, x2=v_x2_5} OutVars{t2=v_t2_2, x2=v_x2_4} AuxVars[] AssignedVars[x2]" [2025-02-17 22:48:59,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:59,550 INFO L85 PathProgramCache]: Analyzing trace with hash -40630398, now seen corresponding path program 1 times [2025-02-17 22:48:59,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:59,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039857145] [2025-02-17 22:48:59,550 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:59,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:59,552 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-17 22:48:59,553 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-17 22:48:59,553 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:59,553 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:59,553 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:59,554 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-17 22:48:59,555 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-17 22:48:59,555 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:59,555 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:59,555 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:59,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:59,556 INFO L85 PathProgramCache]: Analyzing trace with hash 157986, now seen corresponding path program 1 times [2025-02-17 22:48:59,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:59,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451999035] [2025-02-17 22:48:59,556 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:59,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:59,557 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:59,558 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:59,558 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:59,558 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:59,558 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:59,558 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:59,559 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:59,559 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:59,559 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:59,560 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:59,560 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:59,560 INFO L85 PathProgramCache]: Analyzing trace with hash 760718849, now seen corresponding path program 1 times [2025-02-17 22:48:59,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:59,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157840613] [2025-02-17 22:48:59,560 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:59,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:59,562 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-02-17 22:48:59,563 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-02-17 22:48:59,563 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:59,563 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:59,563 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:59,564 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-02-17 22:48:59,565 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-02-17 22:48:59,565 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:59,565 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:59,566 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:59,615 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:48:59,615 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:48:59,615 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:48:59,615 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:48:59,615 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-02-17 22:48:59,615 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:59,615 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:48:59,615 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:48:59,615 INFO L132 ssoRankerPreferences]: Filename of dumped script: adfg_3_x_n_t_indep.c.bpl_petrified1_Iteration6_Lasso [2025-02-17 22:48:59,615 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:48:59,615 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:48:59,616 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:59,619 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:59,623 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:59,625 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:59,627 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:59,628 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:59,630 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:59,680 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:48:59,680 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-02-17 22:48:59,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:59,681 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:59,684 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:59,685 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2025-02-17 22:48:59,686 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:59,686 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:59,704 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:48:59,704 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {n1=0, x1=1} Honda state: {n1=0, x1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:48:59,711 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2025-02-17 22:48:59,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:59,711 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:59,713 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:59,714 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2025-02-17 22:48:59,716 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:59,716 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:59,735 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2025-02-17 22:48:59,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:59,735 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:59,737 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:59,738 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2025-02-17 22:48:59,741 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-02-17 22:48:59,741 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:59,850 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-02-17 22:48:59,856 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2025-02-17 22:48:59,857 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:48:59,857 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:48:59,857 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:48:59,857 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:48:59,857 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-17 22:48:59,857 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:59,857 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:48:59,857 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:48:59,857 INFO L132 ssoRankerPreferences]: Filename of dumped script: adfg_3_x_n_t_indep.c.bpl_petrified1_Iteration6_Lasso [2025-02-17 22:48:59,857 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:48:59,857 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:48:59,859 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:59,861 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:59,866 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:59,868 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:59,870 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:59,872 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:59,874 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:59,920 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:48:59,920 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-17 22:48:59,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:59,920 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:59,923 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:59,925 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2025-02-17 22:48:59,925 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 [2025-02-17 22:48:59,936 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:48:59,936 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:48:59,936 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:48:59,936 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:48:59,938 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:48:59,938 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:48:59,941 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:48:59,947 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2025-02-17 22:48:59,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:59,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:59,950 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:59,951 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2025-02-17 22:48:59,952 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 [2025-02-17 22:48:59,963 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:48:59,963 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:48:59,963 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:48:59,963 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:48:59,965 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:48:59,965 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:48:59,969 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-17 22:48:59,976 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2025-02-17 22:48:59,976 INFO L444 ModelExtractionUtils]: 6 out of 13 variables were initially zero. Simplification set additionally 1 variables to zero. [2025-02-17 22:48:59,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:59,976 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:59,979 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:59,980 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2025-02-17 22:48:59,981 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-17 22:48:59,992 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2025-02-17 22:48:59,992 INFO L474 LassoAnalysis]: Proved termination. [2025-02-17 22:48:59,992 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(n2, x2) = 2*n2 - 2*x2 + 1 Supporting invariants [-1*t2 - 1 >= 0] [2025-02-17 22:48:59,998 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2025-02-17 22:49:00,000 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2025-02-17 22:49:00,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:49:00,022 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-17 22:49:00,023 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-17 22:49:00,023 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:49:00,023 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:49:00,024 INFO L256 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-17 22:49:00,024 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:49:00,033 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:49:00,034 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:49:00,034 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:49:00,034 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:49:00,034 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-17 22:49:00,035 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:49:00,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-17 22:49:00,053 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 [2025-02-17 22:49:00,053 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 917 states and 2547 transitions. cyclomatic complexity: 1740 Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2025-02-17 22:49:00,096 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 917 states and 2547 transitions. cyclomatic complexity: 1740. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 1485 states and 4227 transitions. Complement of second has 6 states. [2025-02-17 22:49:00,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2025-02-17 22:49:00,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2025-02-17 22:49:00,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 85 transitions. [2025-02-17 22:49:00,097 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 85 transitions. Stem has 8 letters. Loop has 3 letters. [2025-02-17 22:49:00,097 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:49:00,097 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 85 transitions. Stem has 11 letters. Loop has 3 letters. [2025-02-17 22:49:00,100 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:49:00,101 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 85 transitions. Stem has 8 letters. Loop has 6 letters. [2025-02-17 22:49:00,101 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:49:00,101 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1485 states and 4227 transitions. [2025-02-17 22:49:00,113 INFO L131 ngComponentsAnalysis]: Automaton has 37 accepting balls. 111 [2025-02-17 22:49:00,121 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1485 states to 1160 states and 3298 transitions. [2025-02-17 22:49:00,121 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 425 [2025-02-17 22:49:00,122 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 504 [2025-02-17 22:49:00,122 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1160 states and 3298 transitions. [2025-02-17 22:49:00,123 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-17 22:49:00,123 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1160 states and 3298 transitions. [2025-02-17 22:49:00,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1160 states and 3298 transitions. [2025-02-17 22:49:00,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1160 to 1084. [2025-02-17 22:49:00,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1084 states, 1084 states have (on average 2.8726937269372694) internal successors, (3114), 1083 states have internal predecessors, (3114), 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) [2025-02-17 22:49:00,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1084 states to 1084 states and 3114 transitions. [2025-02-17 22:49:00,160 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1084 states and 3114 transitions. [2025-02-17 22:49:00,160 INFO L432 stractBuchiCegarLoop]: Abstraction has 1084 states and 3114 transitions. [2025-02-17 22:49:00,160 INFO L338 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2025-02-17 22:49:00,160 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1084 states and 3114 transitions. [2025-02-17 22:49:00,164 INFO L131 ngComponentsAnalysis]: Automaton has 37 accepting balls. 111 [2025-02-17 22:49:00,164 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-17 22:49:00,164 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-17 22:49:00,165 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-17 22:49:00,165 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-02-17 22:49:00,166 INFO L752 eck$LassoCheckResult]: Stem: "[148] $Ultimate##0-->$Ultimate##0: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0]" "[113] $Ultimate##0-->L30: Formula: (<= 1 v_b_2) InVars {b=v_b_2} OutVars{b=v_b_2} AuxVars[] AssignedVars[]" "[115] L30-->L38-2: Formula: (= v_t1_2 1) InVars {} OutVars{t1=v_t1_2} AuxVars[] AssignedVars[t1]" "[118] L38-2-->L38: Formula: (<= v_x1_4 v_n1_2) InVars {x1=v_x1_4, n1=v_n1_2} OutVars{x1=v_x1_4, n1=v_n1_2} AuxVars[] AssignedVars[]" "[120] L38-->L40: Formula: (<= 1 v_b_4) InVars {b=v_b_4} OutVars{b=v_b_4} AuxVars[] AssignedVars[]" "[151] L17-->$Ultimate##0: 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]" "[124] $Ultimate##0-->L54: Formula: (<= 1 v_b_7) InVars {b=v_b_7} OutVars{b=v_b_7} AuxVars[] AssignedVars[]" "[126] L54-->L62-2: Formula: (= v_t2_3 1) InVars {} OutVars{t2=v_t2_3} AuxVars[] AssignedVars[t2]" "[154] L18-->$Ultimate##0: Formula: (and (= 3 v_thread3Thread1of1ForFork2_thidvar0_2) (= 3 v_thread3Thread1of1ForFork2_thidvar1_2) (= 3 v_thread3Thread1of1ForFork2_thidvar2_2)) InVars {} OutVars{thread3Thread1of1ForFork2_thidvar2=v_thread3Thread1of1ForFork2_thidvar2_2, thread3Thread1of1ForFork2_thidvar1=v_thread3Thread1of1ForFork2_thidvar1_2, thread3Thread1of1ForFork2_thidvar0=v_thread3Thread1of1ForFork2_thidvar0_2} AuxVars[] AssignedVars[thread3Thread1of1ForFork2_thidvar2, thread3Thread1of1ForFork2_thidvar1, thread3Thread1of1ForFork2_thidvar0]" "[135] $Ultimate##0-->L78: Formula: (<= 1 v_b_12) InVars {b=v_b_12} OutVars{b=v_b_12} AuxVars[] AssignedVars[]" "[137] L78-->L86-2: Formula: (= v_t3_4 1) InVars {} OutVars{t3=v_t3_4} AuxVars[] AssignedVars[t3]" [2025-02-17 22:49:00,166 INFO L754 eck$LassoCheckResult]: Loop: "[140] L86-2-->L86: Formula: (<= v_x3_2 v_n3_2) InVars {n3=v_n3_2, x3=v_x3_2} OutVars{n3=v_n3_2, x3=v_x3_2} AuxVars[] AssignedVars[]" "[142] L86-->L88: Formula: (<= 1 v_b_10) InVars {b=v_b_10} OutVars{b=v_b_10} AuxVars[] AssignedVars[]" "[144] L88-->L86-2: Formula: (= v_x3_3 (+ v_x3_4 v_t3_2)) InVars {t3=v_t3_2, x3=v_x3_4} OutVars{t3=v_t3_2, x3=v_x3_3} AuxVars[] AssignedVars[x3]" [2025-02-17 22:49:00,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:49:00,166 INFO L85 PathProgramCache]: Analyzing trace with hash 1099104346, now seen corresponding path program 1 times [2025-02-17 22:49:00,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:49:00,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919025677] [2025-02-17 22:49:00,167 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:49:00,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:49:00,168 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2025-02-17 22:49:00,171 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-02-17 22:49:00,173 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-02-17 22:49:00,173 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:49:00,173 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:49:00,173 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:49:00,174 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-02-17 22:49:00,175 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-02-17 22:49:00,175 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:49:00,175 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:49:00,176 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:49:00,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:49:00,176 INFO L85 PathProgramCache]: Analyzing trace with hash 168877, now seen corresponding path program 1 times [2025-02-17 22:49:00,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:49:00,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215125799] [2025-02-17 22:49:00,176 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:49:00,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:49:00,177 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:49:00,178 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:49:00,178 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:49:00,178 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:49:00,178 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:49:00,179 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:49:00,179 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:49:00,179 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:49:00,179 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:49:00,180 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:49:00,180 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:49:00,180 INFO L85 PathProgramCache]: Analyzing trace with hash -1412953932, now seen corresponding path program 1 times [2025-02-17 22:49:00,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:49:00,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989723290] [2025-02-17 22:49:00,180 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:49:00,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:49:00,182 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-02-17 22:49:00,183 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-02-17 22:49:00,183 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:49:00,183 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:49:00,183 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:49:00,184 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-02-17 22:49:00,185 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-02-17 22:49:00,185 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:49:00,185 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:49:00,191 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:49:00,256 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:49:00,256 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:49:00,256 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:49:00,256 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:49:00,256 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-02-17 22:49:00,256 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:00,256 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:49:00,256 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:49:00,256 INFO L132 ssoRankerPreferences]: Filename of dumped script: adfg_3_x_n_t_indep.c.bpl_petrified1_Iteration7_Lasso [2025-02-17 22:49:00,256 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:49:00,256 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:49:00,257 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:00,259 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:00,261 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:00,263 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:00,265 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:00,266 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:00,269 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:00,271 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:00,273 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:00,277 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:00,279 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:00,342 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:49:00,342 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-02-17 22:49:00,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:00,342 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:00,344 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:00,345 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2025-02-17 22:49:00,346 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:49:00,346 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:49:00,357 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:49:00,357 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread3Thread1of1ForFork2_thidvar1=0} Honda state: {thread3Thread1of1ForFork2_thidvar1=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:49:00,362 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2025-02-17 22:49:00,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:00,363 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:00,365 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:00,366 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2025-02-17 22:49:00,367 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:49:00,367 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:49:00,378 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:49:00,378 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread3Thread1of1ForFork2_thidvar0=0} Honda state: {thread3Thread1of1ForFork2_thidvar0=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:49:00,384 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2025-02-17 22:49:00,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:00,385 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:00,386 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:00,387 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2025-02-17 22:49:00,389 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:49:00,389 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:49:00,407 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:49:00,407 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {n1=0, x1=0} Honda state: {n1=0, x1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:49:00,413 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2025-02-17 22:49:00,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:00,414 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:00,416 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:00,417 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2025-02-17 22:49:00,418 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:49:00,418 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:49:00,429 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:49:00,430 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread1Thread1of1ForFork0_thidvar0=0} Honda state: {thread1Thread1of1ForFork0_thidvar0=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:49:00,436 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2025-02-17 22:49:00,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:00,436 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:00,438 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:00,439 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2025-02-17 22:49:00,440 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:49:00,440 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:49:00,451 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:49:00,452 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {t1=0} Honda state: {t1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:49:00,457 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2025-02-17 22:49:00,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:00,458 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:00,460 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:00,460 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2025-02-17 22:49:00,463 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:49:00,463 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:49:00,480 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:49:00,480 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {b=1} Honda state: {b=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:49:00,486 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2025-02-17 22:49:00,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:00,486 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:00,487 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:00,488 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2025-02-17 22:49:00,490 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:49:00,490 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:49:00,502 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:49:00,502 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread3Thread1of1ForFork2_thidvar2=0} Honda state: {thread3Thread1of1ForFork2_thidvar2=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:49:00,508 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2025-02-17 22:49:00,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:00,508 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:00,510 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:00,511 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2025-02-17 22:49:00,513 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:49:00,513 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:49:00,524 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:49:00,524 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {t2=0} Honda state: {t2=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:49:00,530 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2025-02-17 22:49:00,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:00,531 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:00,532 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:00,533 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2025-02-17 22:49:00,534 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:49:00,534 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:49:00,551 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2025-02-17 22:49:00,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:00,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:00,553 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:00,554 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2025-02-17 22:49:00,555 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-02-17 22:49:00,555 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:49:00,681 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-02-17 22:49:00,687 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2025-02-17 22:49:00,687 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:49:00,687 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:49:00,687 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:49:00,687 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:49:00,687 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-17 22:49:00,687 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:00,687 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:49:00,687 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:49:00,687 INFO L132 ssoRankerPreferences]: Filename of dumped script: adfg_3_x_n_t_indep.c.bpl_petrified1_Iteration7_Lasso [2025-02-17 22:49:00,687 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:49:00,687 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:49:00,688 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:00,694 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:00,696 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:00,698 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:00,700 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:00,702 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:00,704 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:00,705 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:00,707 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:00,711 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:00,713 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:00,790 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:49:00,790 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-17 22:49:00,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:00,790 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:00,792 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:00,793 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2025-02-17 22:49:00,798 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 [2025-02-17 22:49:00,807 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:49:00,808 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:49:00,808 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:49:00,808 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:49:00,809 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:49:00,809 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:49:00,811 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:49:00,816 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2025-02-17 22:49:00,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:00,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:00,818 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:00,819 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2025-02-17 22:49:00,820 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 [2025-02-17 22:49:00,830 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:49:00,830 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:49:00,830 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:49:00,830 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:49:00,832 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:49:00,832 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:49:00,834 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:49:00,840 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2025-02-17 22:49:00,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:00,840 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:00,842 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:00,843 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2025-02-17 22:49:00,845 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 [2025-02-17 22:49:00,854 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:49:00,855 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:49:00,855 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:49:00,855 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:49:00,856 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:49:00,856 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:49:00,858 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:49:00,864 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2025-02-17 22:49:00,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:00,865 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:00,866 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:00,868 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2025-02-17 22:49:00,869 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 [2025-02-17 22:49:00,879 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:49:00,879 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:49:00,879 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:49:00,879 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:49:00,880 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:49:00,880 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:49:00,883 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:49:00,889 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2025-02-17 22:49:00,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:00,889 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:00,891 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:00,891 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2025-02-17 22:49:00,893 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 [2025-02-17 22:49:00,903 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:49:00,903 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:49:00,903 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:49:00,903 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:49:00,905 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:49:00,905 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:49:00,908 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:49:00,913 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2025-02-17 22:49:00,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:00,914 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:00,915 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:00,916 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2025-02-17 22:49:00,918 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 [2025-02-17 22:49:00,927 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:49:00,927 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:49:00,927 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:49:00,927 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:49:00,929 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:49:00,929 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:49:00,931 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:49:00,937 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2025-02-17 22:49:00,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:00,937 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:00,939 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:00,940 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2025-02-17 22:49:00,942 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 [2025-02-17 22:49:00,951 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:49:00,952 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:49:00,952 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:49:00,952 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:49:00,953 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:49:00,953 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:49:00,955 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:49:00,961 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2025-02-17 22:49:00,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:00,961 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:00,963 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:00,964 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2025-02-17 22:49:00,966 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 [2025-02-17 22:49:00,975 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:49:00,975 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:49:00,975 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:49:00,975 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:49:00,976 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:49:00,976 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:49:00,979 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:49:00,984 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2025-02-17 22:49:00,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:00,985 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:00,987 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:00,987 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2025-02-17 22:49:00,988 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 [2025-02-17 22:49:00,998 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:49:00,998 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:49:00,998 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:49:00,998 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:49:01,000 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:49:01,000 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:49:01,004 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-17 22:49:01,009 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2025-02-17 22:49:01,009 INFO L444 ModelExtractionUtils]: 6 out of 13 variables were initially zero. Simplification set additionally 1 variables to zero. [2025-02-17 22:49:01,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:01,009 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:01,011 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:01,011 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2025-02-17 22:49:01,012 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-17 22:49:01,022 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2025-02-17 22:49:01,022 INFO L474 LassoAnalysis]: Proved termination. [2025-02-17 22:49:01,022 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(n3, x3) = 2*n3 - 2*x3 + 1 Supporting invariants [1*t3 - 1 >= 0] [2025-02-17 22:49:01,028 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2025-02-17 22:49:01,030 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2025-02-17 22:49:01,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:49:01,053 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-02-17 22:49:01,056 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-02-17 22:49:01,056 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:49:01,056 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:49:01,057 INFO L256 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-17 22:49:01,057 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:49:01,068 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:49:01,069 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:49:01,069 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:49:01,069 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:49:01,069 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-17 22:49:01,070 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:49:01,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-17 22:49:01,090 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 [2025-02-17 22:49:01,090 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1084 states and 3114 transitions. cyclomatic complexity: 2143 Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2025-02-17 22:49:01,146 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1084 states and 3114 transitions. cyclomatic complexity: 2143. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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 1702 states and 5090 transitions. Complement of second has 6 states. [2025-02-17 22:49:01,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2025-02-17 22:49:01,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2025-02-17 22:49:01,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 74 transitions. [2025-02-17 22:49:01,147 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 74 transitions. Stem has 11 letters. Loop has 3 letters. [2025-02-17 22:49:01,147 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:49:01,147 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 74 transitions. Stem has 14 letters. Loop has 3 letters. [2025-02-17 22:49:01,147 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:49:01,147 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 74 transitions. Stem has 11 letters. Loop has 6 letters. [2025-02-17 22:49:01,148 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:49:01,148 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1702 states and 5090 transitions. [2025-02-17 22:49:01,161 INFO L131 ngComponentsAnalysis]: Automaton has 19 accepting balls. 57 [2025-02-17 22:49:01,164 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1702 states to 542 states and 1537 transitions. [2025-02-17 22:49:01,164 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 215 [2025-02-17 22:49:01,164 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 215 [2025-02-17 22:49:01,164 INFO L73 IsDeterministic]: Start isDeterministic. Operand 542 states and 1537 transitions. [2025-02-17 22:49:01,164 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-17 22:49:01,164 INFO L218 hiAutomatonCegarLoop]: Abstraction has 542 states and 1537 transitions. [2025-02-17 22:49:01,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 542 states and 1537 transitions. [2025-02-17 22:49:01,170 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2025-02-17 22:49:01,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 542 to 542. [2025-02-17 22:49:01,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 542 states, 542 states have (on average 2.8357933579335795) internal successors, (1537), 541 states have internal predecessors, (1537), 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) [2025-02-17 22:49:01,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 1537 transitions. [2025-02-17 22:49:01,174 INFO L240 hiAutomatonCegarLoop]: Abstraction has 542 states and 1537 transitions. [2025-02-17 22:49:01,174 INFO L432 stractBuchiCegarLoop]: Abstraction has 542 states and 1537 transitions. [2025-02-17 22:49:01,174 INFO L338 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2025-02-17 22:49:01,174 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 542 states and 1537 transitions. [2025-02-17 22:49:01,175 INFO L131 ngComponentsAnalysis]: Automaton has 19 accepting balls. 57 [2025-02-17 22:49:01,175 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-17 22:49:01,175 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-17 22:49:01,176 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-17 22:49:01,176 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-02-17 22:49:01,176 INFO L752 eck$LassoCheckResult]: Stem: "[148] $Ultimate##0-->$Ultimate##0: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0]" "[114] $Ultimate##0-->L34: Formula: (< v_b_3 1) InVars {b=v_b_3} OutVars{b=v_b_3} AuxVars[] AssignedVars[]" "[116] L34-->L38-2: Formula: (= (+ v_t1_3 1) 0) InVars {} OutVars{t1=v_t1_3} AuxVars[] AssignedVars[t1]" "[117] L38-2-->thread1FINAL: Formula: (< v_n1_1 v_x1_3) InVars {x1=v_x1_3, n1=v_n1_1} OutVars{x1=v_x1_3, n1=v_n1_1} AuxVars[] AssignedVars[]" "[119] thread1FINAL-->thread1EXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[]" "[151] L17-->$Ultimate##0: 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]" "[125] $Ultimate##0-->L58: Formula: (< v_b_8 1) InVars {b=v_b_8} OutVars{b=v_b_8} AuxVars[] AssignedVars[]" "[127] L58-->L62-2: Formula: (= (+ v_t2_4 1) 0) InVars {} OutVars{t2=v_t2_4} AuxVars[] AssignedVars[t2]" "[128] L62-2-->thread2FINAL: Formula: (< v_n2_2 v_x2_6) InVars {n2=v_n2_2, x2=v_x2_6} OutVars{n2=v_n2_2, x2=v_x2_6} AuxVars[] AssignedVars[]" "[130] thread2FINAL-->thread2EXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[]" "[154] L18-->$Ultimate##0: Formula: (and (= 3 v_thread3Thread1of1ForFork2_thidvar0_2) (= 3 v_thread3Thread1of1ForFork2_thidvar1_2) (= 3 v_thread3Thread1of1ForFork2_thidvar2_2)) InVars {} OutVars{thread3Thread1of1ForFork2_thidvar2=v_thread3Thread1of1ForFork2_thidvar2_2, thread3Thread1of1ForFork2_thidvar1=v_thread3Thread1of1ForFork2_thidvar1_2, thread3Thread1of1ForFork2_thidvar0=v_thread3Thread1of1ForFork2_thidvar0_2} AuxVars[] AssignedVars[thread3Thread1of1ForFork2_thidvar2, thread3Thread1of1ForFork2_thidvar1, thread3Thread1of1ForFork2_thidvar0]" "[136] $Ultimate##0-->L82: Formula: (< v_b_9 1) InVars {b=v_b_9} OutVars{b=v_b_9} AuxVars[] AssignedVars[]" "[138] L82-->L86-2: Formula: (= (+ v_t3_1 1) 0) InVars {} OutVars{t3=v_t3_1} AuxVars[] AssignedVars[t3]" [2025-02-17 22:49:01,176 INFO L754 eck$LassoCheckResult]: Loop: "[140] L86-2-->L86: Formula: (<= v_x3_2 v_n3_2) InVars {n3=v_n3_2, x3=v_x3_2} OutVars{n3=v_n3_2, x3=v_x3_2} AuxVars[] AssignedVars[]" "[143] L86-->L92: Formula: (< v_b_11 1) InVars {b=v_b_11} OutVars{b=v_b_11} AuxVars[] AssignedVars[]" "[145] L92-->L86-2: Formula: (= v_x3_6 (+ v_x3_5 v_t3_3)) InVars {t3=v_t3_3, x3=v_x3_6} OutVars{t3=v_t3_3, x3=v_x3_5} AuxVars[] AssignedVars[x3]" [2025-02-17 22:49:01,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:49:01,176 INFO L85 PathProgramCache]: Analyzing trace with hash 905414040, now seen corresponding path program 1 times [2025-02-17 22:49:01,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:49:01,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313897125] [2025-02-17 22:49:01,177 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:49:01,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:49:01,179 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-02-17 22:49:01,180 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-02-17 22:49:01,181 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:49:01,181 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:49:01,181 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:49:01,181 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-02-17 22:49:01,183 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-02-17 22:49:01,183 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:49:01,183 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:49:01,184 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:49:01,184 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:49:01,184 INFO L85 PathProgramCache]: Analyzing trace with hash 168909, now seen corresponding path program 1 times [2025-02-17 22:49:01,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:49:01,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994824264] [2025-02-17 22:49:01,184 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:49:01,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:49:01,185 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:49:01,186 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:49:01,186 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:49:01,186 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:49:01,186 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:49:01,187 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:49:01,187 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:49:01,187 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:49:01,187 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:49:01,188 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:49:01,188 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:49:01,188 INFO L85 PathProgramCache]: Analyzing trace with hash 795185878, now seen corresponding path program 1 times [2025-02-17 22:49:01,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:49:01,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446595922] [2025-02-17 22:49:01,188 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:49:01,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:49:01,190 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-02-17 22:49:01,191 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-02-17 22:49:01,192 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:49:01,192 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:49:01,192 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:49:01,192 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-02-17 22:49:01,194 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-02-17 22:49:01,194 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:49:01,194 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:49:01,195 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:49:01,285 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:49:01,285 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:49:01,285 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:49:01,285 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:49:01,285 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-02-17 22:49:01,285 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:01,285 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:49:01,285 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:49:01,285 INFO L132 ssoRankerPreferences]: Filename of dumped script: adfg_3_x_n_t_indep.c.bpl_petrified1_Iteration8_Lasso [2025-02-17 22:49:01,285 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:49:01,285 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:49:01,286 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:01,288 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:01,291 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:01,293 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:01,296 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:01,302 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:01,305 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:01,307 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:01,309 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:01,311 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:01,313 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:01,315 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:01,388 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:49:01,388 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-02-17 22:49:01,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:01,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:01,390 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:01,392 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2025-02-17 22:49:01,392 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:49:01,392 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:49:01,402 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:49:01,402 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread2Thread1of1ForFork1_thidvar0=0} Honda state: {thread2Thread1of1ForFork1_thidvar0=2} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:49:01,407 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2025-02-17 22:49:01,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:01,408 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:01,409 INFO L229 MonitoredProcess]: Starting monitored process 51 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:01,410 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2025-02-17 22:49:01,411 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:49:01,411 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:49:01,427 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:49:01,427 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {b=0} Honda state: {b=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:49:01,433 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2025-02-17 22:49:01,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:01,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:01,434 INFO L229 MonitoredProcess]: Starting monitored process 52 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:01,435 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2025-02-17 22:49:01,436 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:49:01,436 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:49:01,453 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:49:01,453 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {n2=0, x2=1} Honda state: {n2=0, x2=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:49:01,459 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2025-02-17 22:49:01,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:01,459 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:01,460 INFO L229 MonitoredProcess]: Starting monitored process 53 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:01,461 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2025-02-17 22:49:01,462 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:49:01,462 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:49:01,479 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:49:01,479 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {x1=1, n1=0} Honda state: {x1=1, n1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:49:01,485 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2025-02-17 22:49:01,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:01,485 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:01,487 INFO L229 MonitoredProcess]: Starting monitored process 54 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:01,488 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2025-02-17 22:49:01,489 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:49:01,489 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:49:01,505 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2025-02-17 22:49:01,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:01,505 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:01,507 INFO L229 MonitoredProcess]: Starting monitored process 55 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:01,507 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2025-02-17 22:49:01,508 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-02-17 22:49:01,508 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:49:01,603 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-02-17 22:49:01,608 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2025-02-17 22:49:01,608 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:49:01,608 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:49:01,608 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:49:01,608 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:49:01,608 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-17 22:49:01,608 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:01,608 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:49:01,608 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:49:01,609 INFO L132 ssoRankerPreferences]: Filename of dumped script: adfg_3_x_n_t_indep.c.bpl_petrified1_Iteration8_Lasso [2025-02-17 22:49:01,609 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:49:01,609 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:49:01,609 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:01,618 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:01,620 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:01,629 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:01,631 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:01,638 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:01,639 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:01,641 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:01,642 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:01,643 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:01,647 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:01,649 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:01,717 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:49:01,717 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-17 22:49:01,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:01,717 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:01,720 INFO L229 MonitoredProcess]: Starting monitored process 56 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:01,720 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2025-02-17 22:49:01,721 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 [2025-02-17 22:49:01,731 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:49:01,731 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:49:01,731 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:49:01,731 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:49:01,732 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:49:01,732 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:49:01,741 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:49:01,747 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2025-02-17 22:49:01,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:01,747 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:01,791 INFO L229 MonitoredProcess]: Starting monitored process 57 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:01,791 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2025-02-17 22:49:01,792 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 [2025-02-17 22:49:01,802 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:49:01,802 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:49:01,802 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:49:01,802 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:49:01,803 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:49:01,803 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:49:01,818 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:49:01,824 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2025-02-17 22:49:01,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:01,824 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:01,826 INFO L229 MonitoredProcess]: Starting monitored process 58 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:01,826 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2025-02-17 22:49:01,827 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 [2025-02-17 22:49:01,837 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:49:01,837 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:49:01,837 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:49:01,837 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:49:01,838 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:49:01,838 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:49:01,841 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:49:01,846 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2025-02-17 22:49:01,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:01,846 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:01,848 INFO L229 MonitoredProcess]: Starting monitored process 59 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:01,848 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2025-02-17 22:49:01,849 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 [2025-02-17 22:49:01,859 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:49:01,859 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:49:01,859 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:49:01,859 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:49:01,860 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:49:01,860 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:49:01,863 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:49:01,869 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2025-02-17 22:49:01,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:01,869 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:01,871 INFO L229 MonitoredProcess]: Starting monitored process 60 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:01,872 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2025-02-17 22:49:01,874 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-17 22:49:01,884 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:49:01,884 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:49:01,884 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:49:01,884 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:49:01,886 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:49:01,886 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:49:01,890 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-17 22:49:01,894 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2025-02-17 22:49:01,894 INFO L444 ModelExtractionUtils]: 5 out of 13 variables were initially zero. Simplification set additionally 0 variables to zero. [2025-02-17 22:49:01,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:01,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:01,896 INFO L229 MonitoredProcess]: Starting monitored process 61 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:01,897 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2025-02-17 22:49:01,898 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-17 22:49:01,909 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2025-02-17 22:49:01,909 INFO L474 LassoAnalysis]: Proved termination. [2025-02-17 22:49:01,909 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(t3, n3, x3) = -1*t3 + 2*n3 - 2*x3 Supporting invariants [-1*t3 - 1 >= 0] [2025-02-17 22:49:01,915 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2025-02-17 22:49:01,920 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2025-02-17 22:49:01,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:49:01,939 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-02-17 22:49:01,941 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-02-17 22:49:01,941 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:49:01,941 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:49:01,942 INFO L256 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-17 22:49:01,942 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:49:01,958 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:49:01,958 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:49:01,959 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:49:01,959 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:49:01,959 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-17 22:49:01,959 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:49:01,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-17 22:49:01,980 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 [2025-02-17 22:49:01,980 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 542 states and 1537 transitions. cyclomatic complexity: 1052 Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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) [2025-02-17 22:49:02,017 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 542 states and 1537 transitions. cyclomatic complexity: 1052. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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 1168 states and 3479 transitions. Complement of second has 6 states. [2025-02-17 22:49:02,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2025-02-17 22:49:02,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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) [2025-02-17 22:49:02,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 61 transitions. [2025-02-17 22:49:02,018 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 61 transitions. Stem has 13 letters. Loop has 3 letters. [2025-02-17 22:49:02,018 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:49:02,018 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 61 transitions. Stem has 16 letters. Loop has 3 letters. [2025-02-17 22:49:02,018 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:49:02,018 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 61 transitions. Stem has 13 letters. Loop has 6 letters. [2025-02-17 22:49:02,018 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:49:02,019 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1168 states and 3479 transitions. [2025-02-17 22:49:02,023 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-02-17 22:49:02,023 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1168 states to 0 states and 0 transitions. [2025-02-17 22:49:02,023 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2025-02-17 22:49:02,023 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2025-02-17 22:49:02,023 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2025-02-17 22:49:02,023 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-17 22:49:02,023 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-17 22:49:02,023 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-17 22:49:02,023 INFO L432 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-17 22:49:02,023 INFO L338 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2025-02-17 22:49:02,023 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2025-02-17 22:49:02,023 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-02-17 22:49:02,023 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2025-02-17 22:49:02,028 INFO L201 PluginConnector]: Adding new model adfg_3_x_n_t_indep.c.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 17.02 10:49:02 BoogieIcfgContainer [2025-02-17 22:49:02,029 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-02-17 22:49:02,029 INFO L158 Benchmark]: Toolchain (without parser) took 6099.03ms. Allocated memory was 155.2MB in the beginning and 172.0MB in the end (delta: 16.8MB). Free memory was 84.7MB in the beginning and 55.2MB in the end (delta: 29.5MB). Peak memory consumption was 48.4MB. Max. memory is 8.0GB. [2025-02-17 22:49:02,029 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.14ms. Allocated memory is still 155.2MB. Free memory is still 85.6MB. There was no memory consumed. Max. memory is 8.0GB. [2025-02-17 22:49:02,029 INFO L158 Benchmark]: Boogie Procedure Inliner took 16.17ms. Allocated memory is still 155.2MB. Free memory was 84.7MB in the beginning and 83.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 8.0GB. [2025-02-17 22:49:02,029 INFO L158 Benchmark]: Boogie Preprocessor took 10.09ms. Allocated memory is still 155.2MB. Free memory was 83.5MB in the beginning and 82.7MB in the end (delta: 829.5kB). There was no memory consumed. Max. memory is 8.0GB. [2025-02-17 22:49:02,030 INFO L158 Benchmark]: RCFGBuilder took 196.44ms. Allocated memory is still 155.2MB. Free memory was 82.7MB in the beginning and 73.1MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2025-02-17 22:49:02,030 INFO L158 Benchmark]: BuchiAutomizer took 5873.83ms. Allocated memory was 155.2MB in the beginning and 172.0MB in the end (delta: 16.8MB). Free memory was 73.1MB in the beginning and 55.2MB in the end (delta: 17.9MB). Peak memory consumption was 40.0MB. Max. memory is 8.0GB. [2025-02-17 22:49:02,031 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 0.14ms. Allocated memory is still 155.2MB. Free memory is still 85.6MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 16.17ms. Allocated memory is still 155.2MB. Free memory was 84.7MB in the beginning and 83.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 10.09ms. Allocated memory is still 155.2MB. Free memory was 83.5MB in the beginning and 82.7MB in the end (delta: 829.5kB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 196.44ms. Allocated memory is still 155.2MB. Free memory was 82.7MB in the beginning and 73.1MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * BuchiAutomizer took 5873.83ms. Allocated memory was 155.2MB in the beginning and 172.0MB in the end (delta: 16.8MB). Free memory was 73.1MB in the beginning and 55.2MB in the end (delta: 17.9MB). Peak memory consumption was 40.0MB. 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 8 terminating modules (2 trivial, 6 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * x1 + 2 * n1 + t1 and consists of 4 locations. One deterministic module has affine ranking function -2 * x1 + 2 * n1 + 1 and consists of 4 locations. One deterministic module has affine ranking function 2 * n2 + -2 * x2 + t2 and consists of 4 locations. One deterministic module has affine ranking function 2 * n2 + -2 * x2 + 1 and consists of 4 locations. One deterministic module has affine ranking function -2 * x3 + 2 * n3 + 1 and consists of 4 locations. One deterministic module has affine ranking function -1 * t3 + -2 * x3 + 2 * n3 and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.7s and 9 iterations. TraceHistogramMax:1. Analysis of lassos took 3.8s. Construction of modules took 0.1s. Büchi inclusion checks took 0.8s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 7. Automata minimization 0.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 1454 StatesRemovedByMinimization, 5 NontrivialMinimizations. Non-live state removal took 0.2s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [6, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 482 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 482 mSDsluCounter, 692 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 280 mSDsCounter, 31 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 178 IncrementalHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 31 mSolverCounterUnsat, 412 mSDtfsCounter, 178 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN1 SILU0 SILI0 SILT0 lasso6 LassoPreprocessingBenchmarks: Lassos: inital37 mio100 ax100 hnf100 lsp38 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq184 hnf95 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 30ms VariablesStem: 1 VariablesLoop: 1 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 17 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 6 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 1.1s InitialAbstractionConstructionTime: 0.3s InitialAbstraction: Time to compute Ample Reduction [ms]: 379, Trivial Ample Sets caused by loops: 698, Number of non-trivial ample sets: 664, Number of pruned transitions: 368, Number of transitions in reduction automaton: 1402, Number of states in reduction automaton: 513, Underlying: - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2025-02-17 22:49:02,041 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2025-02-17 22:49:02,246 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...