/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/2_thr/multi.c.bpl -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.ample-buchi-601be74-m [2025-02-17 22:48:50,439 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-17 22:48:50,484 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/buchiAutomizer/concurrent-automaton-noLbe.epf [2025-02-17 22:48:50,487 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-17 22:48:50,487 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-17 22:48:50,506 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-17 22:48:50,507 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-17 22:48:50,507 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-17 22:48:50,507 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-17 22:48:50,507 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-17 22:48:50,507 INFO L153 SettingsManager]: * Use SBE=true [2025-02-17 22:48:50,507 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-02-17 22:48:50,507 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-02-17 22:48:50,507 INFO L153 SettingsManager]: * Use old map elimination=false [2025-02-17 22:48:50,507 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-02-17 22:48:50,507 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-02-17 22:48:50,508 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-02-17 22:48:50,508 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-17 22:48:50,508 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-02-17 22:48:50,508 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-17 22:48:50,508 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-17 22:48:50,508 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-17 22:48:50,508 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-17 22:48:50,508 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-02-17 22:48:50,508 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-02-17 22:48:50,508 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-02-17 22:48:50,508 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-17 22:48:50,508 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-17 22:48:50,508 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-17 22:48:50,508 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-02-17 22:48:50,510 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-17 22:48:50,510 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-02-17 22:48:50,510 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-17 22:48:50,510 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-17 22:48:50,511 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-17 22:48:50,511 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-02-17 22:48:50,511 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 22:48:50,720 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-17 22:48:50,726 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-17 22:48:50,727 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-17 22:48:50,728 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2025-02-17 22:48:50,728 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2025-02-17 22:48:50,729 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/cav23-termute-examples/2_thr/multi.c.bpl [2025-02-17 22:48:50,730 INFO L110 BoogieParser]: Parsing: '/storage/cav23-termute-examples/2_thr/multi.c.bpl' [2025-02-17 22:48:50,745 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-17 22:48:50,748 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2025-02-17 22:48:50,749 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-17 22:48:50,749 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-17 22:48:50,749 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-17 22:48:50,757 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "multi.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:48:50" (1/1) ... [2025-02-17 22:48:50,762 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "multi.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:48:50" (1/1) ... [2025-02-17 22:48:50,767 INFO L138 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2025-02-17 22:48:50,768 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-17 22:48:50,769 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-17 22:48:50,770 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-17 22:48:50,770 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-17 22:48:50,774 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "multi.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:48:50" (1/1) ... [2025-02-17 22:48:50,774 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "multi.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:48:50" (1/1) ... [2025-02-17 22:48:50,775 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "multi.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:48:50" (1/1) ... [2025-02-17 22:48:50,775 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "multi.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:48:50" (1/1) ... [2025-02-17 22:48:50,778 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "multi.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:48:50" (1/1) ... [2025-02-17 22:48:50,779 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "multi.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:48:50" (1/1) ... [2025-02-17 22:48:50,781 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "multi.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:48:50" (1/1) ... [2025-02-17 22:48:50,785 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "multi.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:48:50" (1/1) ... [2025-02-17 22:48:50,786 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "multi.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:48:50" (1/1) ... [2025-02-17 22:48:50,786 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-17 22:48:50,787 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-02-17 22:48:50,787 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-02-17 22:48:50,787 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-02-17 22:48:50,788 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "multi.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:48:50" (1/1) ... [2025-02-17 22:48:50,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:50,803 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:50,815 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 22:48:50,818 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 22:48:50,836 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2025-02-17 22:48:50,836 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-02-17 22:48:50,836 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-02-17 22:48:50,836 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2025-02-17 22:48:50,836 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-02-17 22:48:50,836 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-02-17 22:48:50,836 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2025-02-17 22:48:50,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-17 22:48:50,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-17 22:48:50,837 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 22:48:50,875 INFO L234 CfgBuilder]: Building ICFG [2025-02-17 22:48:50,876 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-17 22:48:50,964 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-17 22:48:50,965 INFO L283 CfgBuilder]: Performing block encoding [2025-02-17 22:48:50,971 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-17 22:48:50,972 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-17 22:48:50,972 INFO L201 PluginConnector]: Adding new model multi.c.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 10:48:50 BoogieIcfgContainer [2025-02-17 22:48:50,972 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-02-17 22:48:50,973 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-02-17 22:48:50,973 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-02-17 22:48:50,976 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-02-17 22:48:50,977 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-17 22:48:50,977 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "multi.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:48:50" (1/2) ... [2025-02-17 22:48:50,978 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@35d2cbc5 and model type multi.c.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.02 10:48:50, skipping insertion in model container [2025-02-17 22:48:50,978 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-17 22:48:50,978 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "multi.c.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 10:48:50" (2/2) ... [2025-02-17 22:48:50,979 INFO L363 chiAutomizerObserver]: Analyzing ICFG multi.c.bpl [2025-02-17 22:48:51,043 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-02-17 22:48:51,085 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 42 places, 48 transitions, 110 flow [2025-02-17 22:48:51,105 INFO L124 PetriNetUnfolderBase]: 11/44 cut-off events. [2025-02-17 22:48:51,107 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-02-17 22:48:51,110 INFO L83 FinitePrefix]: Finished finitePrefix Result has 53 conditions, 44 events. 11/44 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 113 event pairs, 0 based on Foata normal form. 0/33 useless extension candidates. Maximal degree in co-relation 37. Up to 3 conditions per place. [2025-02-17 22:48:51,110 INFO L82 GeneralOperation]: Start removeDead. Operand has 42 places, 48 transitions, 110 flow [2025-02-17 22:48:51,116 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 40 places, 44 transitions, 100 flow [2025-02-17 22:48:51,122 WARN L98 AmpleReduction]: Starting ample reduction [2025-02-17 22:48:51,365 INFO L100 AmpleReduction]: Finished ample reduction [2025-02-17 22:48:51,366 INFO L101 AmpleReduction]: Number of pruned transitions: 59, Number of non-trivial ample sets: 147 [2025-02-17 22:48:51,366 INFO L103 AmpleReduction]: Number of trivial ample sets caused by loops: 210 [2025-02-17 22:48:51,372 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-02-17 22:48:51,372 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-02-17 22:48:51,373 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-02-17 22:48:51,373 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-02-17 22:48:51,373 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-02-17 22:48:51,373 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-02-17 22:48:51,373 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-02-17 22:48:51,373 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-02-17 22:48:51,378 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 201 states, 200 states have (on average 2.235) internal successors, (447), 200 states have internal predecessors, (447), 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 22:48:51,392 INFO L131 ngComponentsAnalysis]: Automaton has 27 accepting balls. 186 [2025-02-17 22:48:51,393 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-17 22:48:51,393 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-17 22:48:51,397 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2025-02-17 22:48:51,397 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-02-17 22:48:51,397 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-02-17 22:48:51,397 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 201 states, 200 states have (on average 2.235) internal successors, (447), 200 states have internal predecessors, (447), 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 22:48:51,401 INFO L131 ngComponentsAnalysis]: Automaton has 27 accepting balls. 186 [2025-02-17 22:48:51,401 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-17 22:48:51,401 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-17 22:48:51,402 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2025-02-17 22:48:51,402 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-02-17 22:48:51,405 INFO L752 eck$LassoCheckResult]: Stem: "[128] $Ultimate##0-->L26: Formula: (<= 0 v_b_6) InVars {b=v_b_6} OutVars{b=v_b_6} AuxVars[] AssignedVars[]" "[116] L26-->L20-1: Formula: (= (+ v_t_6 1) 0) InVars {} OutVars{t=v_t_6} AuxVars[] AssignedVars[t]" "[111] L20-1-->L29: Formula: (and (< 0 v_b1_4) (= v_q2_3 0) (< v_b2_4 v_a2_1) (= v_a2_1 v_r2_5) (= v_q1_3 0) (< 0 v_b2_4) (= v_a1_1 v_r1_5) (< v_b1_4 v_a1_1)) InVars {a1=v_a1_1, r2=v_r2_5, b2=v_b2_4, q1=v_q1_3, a2=v_a2_1, q2=v_q2_3, r1=v_r1_5, b1=v_b1_4} OutVars{a1=v_a1_1, r2=v_r2_5, b2=v_b2_4, q1=v_q1_3, a2=v_a2_1, q2=v_q2_3, r1=v_r1_5, b1=v_b1_4} AuxVars[] AssignedVars[]" "[166] L29-->L38: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0]" [2025-02-17 22:48:51,406 INFO L754 eck$LassoCheckResult]: Loop: "[131] L38-->L42-2: Formula: (< v_x1_1 0) InVars {x1=v_x1_1} OutVars{x1=v_x1_1} AuxVars[] AssignedVars[]" "[134] L42-2-->L51: Formula: (<= 0 v_z_6) InVars {z=v_z_6} OutVars{z=v_z_6} AuxVars[] AssignedVars[]" "[139] L51-->L38: Formula: (= v_x1_2 (+ v_x1_3 1)) InVars {x1=v_x1_3} OutVars{x1=v_x1_2} AuxVars[] AssignedVars[x1]" [2025-02-17 22:48:51,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:51,409 INFO L85 PathProgramCache]: Analyzing trace with hash 4851852, now seen corresponding path program 1 times [2025-02-17 22:48:51,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:51,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004464041] [2025-02-17 22:48:51,416 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:51,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:51,460 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-17 22:48:51,473 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-17 22:48:51,473 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:51,473 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:51,474 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:51,476 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-17 22:48:51,481 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-17 22:48:51,482 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:51,482 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:51,494 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:51,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:51,498 INFO L85 PathProgramCache]: Analyzing trace with hash 159975, now seen corresponding path program 1 times [2025-02-17 22:48:51,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:51,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23329897] [2025-02-17 22:48:51,499 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:51,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:51,504 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:51,504 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:51,505 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:51,505 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:51,505 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:51,506 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:51,508 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:51,508 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:51,508 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:51,510 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:51,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:51,511 INFO L85 PathProgramCache]: Analyzing trace with hash -1487234948, now seen corresponding path program 1 times [2025-02-17 22:48:51,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:51,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741928711] [2025-02-17 22:48:51,511 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:51,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:51,514 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-17 22:48:51,517 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-17 22:48:51,517 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:51,517 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:51,517 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:51,518 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-17 22:48:51,521 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-17 22:48:51,521 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:51,521 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:51,522 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:51,554 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:48:51,555 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:48:51,555 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:48:51,555 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:48:51,555 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-02-17 22:48:51,555 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:51,555 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:48:51,555 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:48:51,555 INFO L132 ssoRankerPreferences]: Filename of dumped script: multi.c.bpl_petrified1_Iteration1_Loop [2025-02-17 22:48:51,555 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:48:51,556 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:48:51,588 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:51,599 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:51,627 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:48:51,628 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-02-17 22:48:51,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:51,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:51,633 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 22:48:51,634 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 22:48:51,634 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:51,635 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:51,696 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 22:48:51,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:51,697 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:51,699 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 22:48:51,699 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 22:48:51,701 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-02-17 22:48:51,701 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:51,753 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-02-17 22:48:51,757 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 22:48:51,757 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:48:51,757 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:48:51,757 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:48:51,757 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:48:51,757 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-17 22:48:51,757 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:51,757 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:48:51,757 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:48:51,757 INFO L132 ssoRankerPreferences]: Filename of dumped script: multi.c.bpl_petrified1_Iteration1_Loop [2025-02-17 22:48:51,757 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:48:51,757 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:48:51,758 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:51,769 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:51,789 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:48:51,791 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-17 22:48:51,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:51,793 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:51,795 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 22:48:51,796 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 22:48:51,797 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 22:48:51,808 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:48:51,808 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-17 22:48:51,809 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:48:51,809 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:48:51,809 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:48:51,828 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-17 22:48:51,829 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-17 22:48:51,830 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-17 22:48:51,834 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2025-02-17 22:48:51,834 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2025-02-17 22:48:51,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:51,835 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:51,857 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 22:48:51,858 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 22:48:51,865 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-17 22:48:51,865 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2025-02-17 22:48:51,865 INFO L474 LassoAnalysis]: Proved termination. [2025-02-17 22:48:51,866 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(x1) = -1*x1 Supporting invariants [] [2025-02-17 22:48:51,871 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 22:48:51,873 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-02-17 22:48:51,894 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:51,901 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-17 22:48:51,903 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-17 22:48:51,903 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:51,903 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:48:51,904 INFO L256 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-17 22:48:51,905 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:48:51,915 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:51,916 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:51,916 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:51,916 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:48:51,916 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-17 22:48:51,916 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:48:51,951 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 22:48:51,962 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 22:48:51,971 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 22:48:51,973 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 201 states, 200 states have (on average 2.235) internal successors, (447), 200 states have internal predecessors, (447), 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 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 22:48:52,054 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 201 states, 200 states have (on average 2.235) internal successors, (447), 200 states have internal predecessors, (447), 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 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 440 states and 1046 transitions. Complement of second has 6 states. [2025-02-17 22:48:52,055 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 22:48:52,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 22:48:52,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 78 transitions. [2025-02-17 22:48:52,065 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 78 transitions. Stem has 4 letters. Loop has 3 letters. [2025-02-17 22:48:52,065 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:48:52,065 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 78 transitions. Stem has 7 letters. Loop has 3 letters. [2025-02-17 22:48:52,067 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:48:52,067 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 78 transitions. Stem has 4 letters. Loop has 6 letters. [2025-02-17 22:48:52,067 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:48:52,068 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 440 states and 1046 transitions. [2025-02-17 22:48:52,080 INFO L131 ngComponentsAnalysis]: Automaton has 29 accepting balls. 164 [2025-02-17 22:48:52,086 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 440 states to 305 states and 737 transitions. [2025-02-17 22:48:52,086 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 174 [2025-02-17 22:48:52,087 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 212 [2025-02-17 22:48:52,089 INFO L73 IsDeterministic]: Start isDeterministic. Operand 305 states and 737 transitions. [2025-02-17 22:48:52,090 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-17 22:48:52,090 INFO L218 hiAutomatonCegarLoop]: Abstraction has 305 states and 737 transitions. [2025-02-17 22:48:52,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states and 737 transitions. [2025-02-17 22:48:52,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 269. [2025-02-17 22:48:52,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 269 states, 269 states have (on average 2.386617100371747) internal successors, (642), 268 states have internal predecessors, (642), 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 22:48:52,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 642 transitions. [2025-02-17 22:48:52,122 INFO L240 hiAutomatonCegarLoop]: Abstraction has 269 states and 642 transitions. [2025-02-17 22:48:52,122 INFO L432 stractBuchiCegarLoop]: Abstraction has 269 states and 642 transitions. [2025-02-17 22:48:52,122 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-02-17 22:48:52,122 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 269 states and 642 transitions. [2025-02-17 22:48:52,123 INFO L131 ngComponentsAnalysis]: Automaton has 29 accepting balls. 164 [2025-02-17 22:48:52,123 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-17 22:48:52,123 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-17 22:48:52,124 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2025-02-17 22:48:52,124 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-02-17 22:48:52,124 INFO L752 eck$LassoCheckResult]: Stem: "[128] $Ultimate##0-->L26: Formula: (<= 0 v_b_6) InVars {b=v_b_6} OutVars{b=v_b_6} AuxVars[] AssignedVars[]" "[116] L26-->L20-1: Formula: (= (+ v_t_6 1) 0) InVars {} OutVars{t=v_t_6} AuxVars[] AssignedVars[t]" "[111] L20-1-->L29: Formula: (and (< 0 v_b1_4) (= v_q2_3 0) (< v_b2_4 v_a2_1) (= v_a2_1 v_r2_5) (= v_q1_3 0) (< 0 v_b2_4) (= v_a1_1 v_r1_5) (< v_b1_4 v_a1_1)) InVars {a1=v_a1_1, r2=v_r2_5, b2=v_b2_4, q1=v_q1_3, a2=v_a2_1, q2=v_q2_3, r1=v_r1_5, b1=v_b1_4} OutVars{a1=v_a1_1, r2=v_r2_5, b2=v_b2_4, q1=v_q1_3, a2=v_a2_1, q2=v_q2_3, r1=v_r1_5, b1=v_b1_4} AuxVars[] AssignedVars[]" "[166] L29-->L38: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0]" "[130] L38-->L53-1: Formula: (<= 0 v_x1_4) InVars {x1=v_x1_4} OutVars{x1=v_x1_4} AuxVars[] AssignedVars[]" [2025-02-17 22:48:52,124 INFO L754 eck$LassoCheckResult]: Loop: "[133] L53-1-->L55: Formula: (< v_y1_1 0) InVars {y1=v_y1_1} OutVars{y1=v_y1_1} AuxVars[] AssignedVars[]" "[138] L55-->L53-1: Formula: (= v_y1_2 (+ v_y1_3 1)) InVars {y1=v_y1_3} OutVars{y1=v_y1_2} AuxVars[] AssignedVars[y1]" [2025-02-17 22:48:52,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:52,125 INFO L85 PathProgramCache]: Analyzing trace with hash 150407542, now seen corresponding path program 1 times [2025-02-17 22:48:52,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:52,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884617704] [2025-02-17 22:48:52,125 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:52,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:52,128 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-17 22:48:52,130 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-17 22:48:52,131 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:52,131 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:52,131 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:52,132 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-17 22:48:52,135 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-17 22:48:52,135 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:52,135 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:52,137 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:52,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:52,137 INFO L85 PathProgramCache]: Analyzing trace with hash 5222, now seen corresponding path program 1 times [2025-02-17 22:48:52,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:52,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215183063] [2025-02-17 22:48:52,137 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:52,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:52,140 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-17 22:48:52,141 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-17 22:48:52,141 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:52,141 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:52,141 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:52,141 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-17 22:48:52,142 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-17 22:48:52,142 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:52,142 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:52,143 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:52,143 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:52,143 INFO L85 PathProgramCache]: Analyzing trace with hash -1487235941, now seen corresponding path program 1 times [2025-02-17 22:48:52,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:52,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132495271] [2025-02-17 22:48:52,143 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:52,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:52,147 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-17 22:48:52,150 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-17 22:48:52,150 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:52,150 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:52,150 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:52,151 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-17 22:48:52,153 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-17 22:48:52,153 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:52,153 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:52,154 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:52,170 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:48:52,170 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:48:52,170 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:48:52,170 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:48:52,170 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-02-17 22:48:52,171 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:52,171 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:48:52,171 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:48:52,171 INFO L132 ssoRankerPreferences]: Filename of dumped script: multi.c.bpl_petrified1_Iteration2_Loop [2025-02-17 22:48:52,171 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:48:52,171 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:48:52,171 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:52,186 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:48:52,186 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-02-17 22:48:52,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:52,186 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:52,188 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 22:48:52,189 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 22:48:52,190 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:52,191 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:52,207 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 22:48:52,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:52,207 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:52,209 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 22:48:52,210 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 22:48:52,212 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-02-17 22:48:52,212 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:52,233 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-02-17 22:48:52,237 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 22:48:52,238 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:48:52,238 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:48:52,238 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:48:52,238 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:48:52,238 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-17 22:48:52,238 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:52,238 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:48:52,238 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:48:52,238 INFO L132 ssoRankerPreferences]: Filename of dumped script: multi.c.bpl_petrified1_Iteration2_Loop [2025-02-17 22:48:52,238 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:48:52,238 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:48:52,239 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:52,256 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:48:52,256 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-17 22:48:52,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:52,256 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:52,259 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 22:48:52,259 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 22:48:52,260 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 22:48:52,270 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:48:52,270 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-17 22:48:52,270 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:48:52,270 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:48:52,270 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:48:52,271 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-17 22:48:52,271 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-17 22:48:52,273 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-17 22:48:52,275 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2025-02-17 22:48:52,276 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2025-02-17 22:48:52,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:52,276 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:52,278 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 22:48:52,279 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 22:48:52,280 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-17 22:48:52,280 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2025-02-17 22:48:52,280 INFO L474 LassoAnalysis]: Proved termination. [2025-02-17 22:48:52,280 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(y1) = -1*y1 Supporting invariants [] [2025-02-17 22:48:52,286 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 22:48:52,287 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-02-17 22:48:52,297 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:52,301 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-17 22:48:52,303 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-17 22:48:52,303 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:52,303 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:48:52,304 INFO L256 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-17 22:48:52,304 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:48:52,312 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-17 22:48:52,313 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-17 22:48:52,313 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:52,313 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:48:52,313 WARN L254 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-17 22:48:52,314 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:48:52,325 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 22:48:52,325 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 22:48:52,326 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 269 states and 642 transitions. cyclomatic complexity: 408 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 22:48:52,362 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 269 states and 642 transitions. cyclomatic complexity: 408. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 430 states and 1089 transitions. Complement of second has 6 states. [2025-02-17 22:48:52,363 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 22:48:52,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 22:48:52,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 94 transitions. [2025-02-17 22:48:52,364 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 94 transitions. Stem has 5 letters. Loop has 2 letters. [2025-02-17 22:48:52,364 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:48:52,364 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 94 transitions. Stem has 7 letters. Loop has 2 letters. [2025-02-17 22:48:52,364 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:48:52,364 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 94 transitions. Stem has 5 letters. Loop has 4 letters. [2025-02-17 22:48:52,364 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:48:52,364 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 430 states and 1089 transitions. [2025-02-17 22:48:52,370 INFO L131 ngComponentsAnalysis]: Automaton has 28 accepting balls. 154 [2025-02-17 22:48:52,374 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 430 states to 349 states and 885 transitions. [2025-02-17 22:48:52,374 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 182 [2025-02-17 22:48:52,376 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 218 [2025-02-17 22:48:52,376 INFO L73 IsDeterministic]: Start isDeterministic. Operand 349 states and 885 transitions. [2025-02-17 22:48:52,376 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-17 22:48:52,376 INFO L218 hiAutomatonCegarLoop]: Abstraction has 349 states and 885 transitions. [2025-02-17 22:48:52,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states and 885 transitions. [2025-02-17 22:48:52,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 315. [2025-02-17 22:48:52,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 315 states, 315 states have (on average 2.549206349206349) internal successors, (803), 314 states have internal predecessors, (803), 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 22:48:52,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 803 transitions. [2025-02-17 22:48:52,390 INFO L240 hiAutomatonCegarLoop]: Abstraction has 315 states and 803 transitions. [2025-02-17 22:48:52,390 INFO L432 stractBuchiCegarLoop]: Abstraction has 315 states and 803 transitions. [2025-02-17 22:48:52,390 INFO L338 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2025-02-17 22:48:52,390 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 315 states and 803 transitions. [2025-02-17 22:48:52,391 INFO L131 ngComponentsAnalysis]: Automaton has 28 accepting balls. 154 [2025-02-17 22:48:52,392 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-17 22:48:52,392 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-17 22:48:52,392 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2025-02-17 22:48:52,392 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-02-17 22:48:52,392 INFO L752 eck$LassoCheckResult]: Stem: "[128] $Ultimate##0-->L26: Formula: (<= 0 v_b_6) InVars {b=v_b_6} OutVars{b=v_b_6} AuxVars[] AssignedVars[]" "[116] L26-->L20-1: Formula: (= (+ v_t_6 1) 0) InVars {} OutVars{t=v_t_6} AuxVars[] AssignedVars[t]" "[111] L20-1-->L29: Formula: (and (< 0 v_b1_4) (= v_q2_3 0) (< v_b2_4 v_a2_1) (= v_a2_1 v_r2_5) (= v_q1_3 0) (< 0 v_b2_4) (= v_a1_1 v_r1_5) (< v_b1_4 v_a1_1)) InVars {a1=v_a1_1, r2=v_r2_5, b2=v_b2_4, q1=v_q1_3, a2=v_a2_1, q2=v_q2_3, r1=v_r1_5, b1=v_b1_4} OutVars{a1=v_a1_1, r2=v_r2_5, b2=v_b2_4, q1=v_q1_3, a2=v_a2_1, q2=v_q2_3, r1=v_r1_5, b1=v_b1_4} AuxVars[] AssignedVars[]" "[166] L29-->L38: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0]" "[131] L38-->L42-2: Formula: (< v_x1_1 0) InVars {x1=v_x1_1} OutVars{x1=v_x1_1} AuxVars[] AssignedVars[]" [2025-02-17 22:48:52,392 INFO L754 eck$LassoCheckResult]: Loop: "[135] L42-2-->L42: Formula: (< v_z_1 0) InVars {z=v_z_1} OutVars{z=v_z_1} AuxVars[] AssignedVars[]" "[141] L42-->L48: Formula: (<= 0 v_b_2) InVars {b=v_b_2} OutVars{b=v_b_2} AuxVars[] AssignedVars[]" "[145] L48-->L42-2: Formula: (= (+ v_z_4 v_t_2) v_z_5) InVars {t=v_t_2, z=v_z_5} OutVars{t=v_t_2, z=v_z_4} AuxVars[] AssignedVars[z]" [2025-02-17 22:48:52,393 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:52,393 INFO L85 PathProgramCache]: Analyzing trace with hash 150407543, now seen corresponding path program 1 times [2025-02-17 22:48:52,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:52,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757986927] [2025-02-17 22:48:52,393 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:52,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:52,395 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-17 22:48:52,397 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-17 22:48:52,397 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:52,397 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:52,398 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:52,399 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-17 22:48:52,402 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-17 22:48:52,402 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:52,402 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:52,403 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:52,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:52,403 INFO L85 PathProgramCache]: Analyzing trace with hash 164042, now seen corresponding path program 1 times [2025-02-17 22:48:52,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:52,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32813468] [2025-02-17 22:48:52,404 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:52,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:52,406 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:52,411 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:52,411 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:52,411 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:52,411 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:52,412 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:52,413 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:52,413 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:52,413 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:52,414 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:52,417 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:52,417 INFO L85 PathProgramCache]: Analyzing trace with hash 1140358036, now seen corresponding path program 1 times [2025-02-17 22:48:52,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:52,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989854837] [2025-02-17 22:48:52,417 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:52,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:52,420 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-17 22:48:52,422 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-17 22:48:52,422 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:52,422 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:52,422 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:52,423 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-17 22:48:52,427 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-17 22:48:52,427 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:52,427 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:52,428 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:52,549 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:48:52,549 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:48:52,549 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:48:52,549 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:48:52,549 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-02-17 22:48:52,549 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:52,549 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:48:52,549 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:48:52,549 INFO L132 ssoRankerPreferences]: Filename of dumped script: multi.c.bpl_petrified1_Iteration3_Lasso [2025-02-17 22:48:52,549 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:48:52,549 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:48:52,550 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:52,556 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:52,558 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:52,561 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:52,563 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:52,566 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:52,568 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:52,573 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:52,646 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:48:52,647 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-02-17 22:48:52,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:52,647 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:52,650 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 22:48:52,651 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 22:48:52,652 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:52,652 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:52,673 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:48:52,673 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {a2=6, r2=6, b2=4} Honda state: {a2=6, r2=6, b2=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:48:52,680 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 22:48:52,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:52,680 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:52,682 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 22:48:52,682 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 22:48:52,684 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:52,684 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:52,702 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:48:52,702 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {q2=0} Honda state: {q2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:48:52,707 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2025-02-17 22:48:52,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:52,708 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:52,709 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 22:48:52,710 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 22:48:52,711 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:52,711 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:52,728 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:48:52,728 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {b=0} Honda state: {b=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:48:52,734 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 22:48:52,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:52,734 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:52,736 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 22:48:52,737 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 22:48:52,738 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:52,738 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:52,755 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:48:52,755 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {x1=-1} Honda state: {x1=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:48:52,760 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2025-02-17 22:48:52,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:52,761 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:52,762 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 22:48:52,763 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 22:48:52,764 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:52,764 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:52,775 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:48:52,775 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 22:48:52,781 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 22:48:52,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:52,782 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:52,784 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 22:48:52,785 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 22:48:52,786 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:52,787 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:52,803 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:48:52,804 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {q1=0} Honda state: {q1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:48:52,809 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2025-02-17 22:48:52,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:52,809 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:52,811 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 22:48:52,811 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 22:48:52,812 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:52,812 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:52,830 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 22:48:52,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:52,831 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:52,832 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 22:48:52,833 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 22:48:52,833 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-02-17 22:48:52,833 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:52,869 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-02-17 22:48:52,873 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 22:48:52,873 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:48:52,873 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:48:52,873 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:48:52,873 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:48:52,873 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-17 22:48:52,873 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:52,873 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:48:52,873 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:48:52,873 INFO L132 ssoRankerPreferences]: Filename of dumped script: multi.c.bpl_petrified1_Iteration3_Lasso [2025-02-17 22:48:52,874 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:48:52,874 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:48:52,875 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:52,880 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:52,882 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:52,885 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:52,896 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:52,899 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:52,902 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:52,905 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:52,980 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:48:52,980 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-17 22:48:52,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:52,980 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:52,983 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 22:48:52,984 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 22:48:52,986 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 22:48:52,995 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:48:52,996 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:48:52,996 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:48:52,996 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:48:52,999 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:48:53,000 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:48:53,003 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:48:53,009 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2025-02-17 22:48:53,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:53,010 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:53,012 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 22:48:53,013 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 22:48:53,016 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 22:48:53,026 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:48:53,026 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:48:53,026 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:48:53,026 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:48:53,029 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:48:53,029 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:48:53,031 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:48:53,038 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2025-02-17 22:48:53,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:53,039 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:53,041 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 22:48:53,043 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 22:48:53,043 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 22:48:53,053 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:48:53,053 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:48:53,053 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:48:53,053 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:48:53,054 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:48:53,054 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:48:53,057 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:48:53,062 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 22:48:53,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:53,063 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:53,064 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 22:48:53,065 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 22:48:53,066 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 22:48:53,076 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:48:53,076 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:48:53,076 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:48:53,076 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:48:53,081 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:48:53,081 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:48:53,086 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-17 22:48:53,092 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2025-02-17 22:48:53,092 INFO L444 ModelExtractionUtils]: 2 out of 10 variables were initially zero. Simplification set additionally 4 variables to zero. [2025-02-17 22:48:53,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:53,092 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:53,094 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 22:48:53,095 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 22:48:53,096 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-17 22:48:53,107 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2025-02-17 22:48:53,107 INFO L474 LassoAnalysis]: Proved termination. [2025-02-17 22:48:53,107 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(z) = -1*z Supporting invariants [-1*t - 1 >= 0] [2025-02-17 22:48:53,113 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 22:48:53,116 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2025-02-17 22:48:53,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:53,134 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-17 22:48:53,137 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-17 22:48:53,137 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:53,137 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:48:53,138 INFO L256 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-17 22:48:53,138 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:48:53,177 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:53,178 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:53,178 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:53,178 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:48:53,178 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-17 22:48:53,178 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:48:53,201 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 22:48:53,201 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2025-02-17 22:48:53,201 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 315 states and 803 transitions. cyclomatic complexity: 528 Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 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 22:48:53,255 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 22:48:53,264 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2025-02-17 22:48:53,344 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 315 states and 803 transitions. cyclomatic complexity: 528. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 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 1810 states and 4611 transitions. Complement of second has 10 states. [2025-02-17 22:48:53,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 2 stem states 2 non-accepting loop states 2 accepting loop states [2025-02-17 22:48:53,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 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 22:48:53,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 195 transitions. [2025-02-17 22:48:53,347 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 195 transitions. Stem has 5 letters. Loop has 3 letters. [2025-02-17 22:48:53,347 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:48:53,347 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 195 transitions. Stem has 8 letters. Loop has 3 letters. [2025-02-17 22:48:53,347 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:48:53,347 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 195 transitions. Stem has 5 letters. Loop has 6 letters. [2025-02-17 22:48:53,348 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:48:53,348 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1810 states and 4611 transitions. [2025-02-17 22:48:53,361 INFO L131 ngComponentsAnalysis]: Automaton has 104 accepting balls. 454 [2025-02-17 22:48:53,372 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1810 states to 1354 states and 3385 transitions. [2025-02-17 22:48:53,372 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 634 [2025-02-17 22:48:53,374 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 687 [2025-02-17 22:48:53,374 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1354 states and 3385 transitions. [2025-02-17 22:48:53,374 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-17 22:48:53,374 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1354 states and 3385 transitions. [2025-02-17 22:48:53,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1354 states and 3385 transitions. [2025-02-17 22:48:53,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1354 to 895. [2025-02-17 22:48:53,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 895 states, 895 states have (on average 2.5564245810055866) internal successors, (2288), 894 states have internal predecessors, (2288), 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 22:48:53,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 895 states to 895 states and 2288 transitions. [2025-02-17 22:48:53,405 INFO L240 hiAutomatonCegarLoop]: Abstraction has 895 states and 2288 transitions. [2025-02-17 22:48:53,405 INFO L432 stractBuchiCegarLoop]: Abstraction has 895 states and 2288 transitions. [2025-02-17 22:48:53,405 INFO L338 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2025-02-17 22:48:53,405 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 895 states and 2288 transitions. [2025-02-17 22:48:53,409 INFO L131 ngComponentsAnalysis]: Automaton has 49 accepting balls. 218 [2025-02-17 22:48:53,409 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-17 22:48:53,409 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-17 22:48:53,409 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2025-02-17 22:48:53,409 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-02-17 22:48:53,410 INFO L752 eck$LassoCheckResult]: Stem: "[127] $Ultimate##0-->L22: Formula: (< v_b_5 0) InVars {b=v_b_5} OutVars{b=v_b_5} AuxVars[] AssignedVars[]" "[108] L22-->L20-1: Formula: (= v_t_5 1) InVars {} OutVars{t=v_t_5} AuxVars[] AssignedVars[t]" "[111] L20-1-->L29: Formula: (and (< 0 v_b1_4) (= v_q2_3 0) (< v_b2_4 v_a2_1) (= v_a2_1 v_r2_5) (= v_q1_3 0) (< 0 v_b2_4) (= v_a1_1 v_r1_5) (< v_b1_4 v_a1_1)) InVars {a1=v_a1_1, r2=v_r2_5, b2=v_b2_4, q1=v_q1_3, a2=v_a2_1, q2=v_q2_3, r1=v_r1_5, b1=v_b1_4} OutVars{a1=v_a1_1, r2=v_r2_5, b2=v_b2_4, q1=v_q1_3, a2=v_a2_1, q2=v_q2_3, r1=v_r1_5, b1=v_b1_4} AuxVars[] AssignedVars[]" "[166] L29-->L38: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0]" "[131] L38-->L42-2: Formula: (< v_x1_1 0) InVars {x1=v_x1_1} OutVars{x1=v_x1_1} AuxVars[] AssignedVars[]" [2025-02-17 22:48:53,410 INFO L754 eck$LassoCheckResult]: Loop: "[135] L42-2-->L42: Formula: (< v_z_1 0) InVars {z=v_z_1} OutVars{z=v_z_1} AuxVars[] AssignedVars[]" "[141] L42-->L48: Formula: (<= 0 v_b_2) InVars {b=v_b_2} OutVars{b=v_b_2} AuxVars[] AssignedVars[]" "[145] L48-->L42-2: Formula: (= (+ v_z_4 v_t_2) v_z_5) InVars {t=v_t_2, z=v_z_5} OutVars{t=v_t_2, z=v_z_4} AuxVars[] AssignedVars[z]" [2025-02-17 22:48:53,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:53,410 INFO L85 PathProgramCache]: Analyzing trace with hash 149245694, now seen corresponding path program 1 times [2025-02-17 22:48:53,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:53,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664821561] [2025-02-17 22:48:53,410 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:53,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:53,414 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-17 22:48:53,416 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-17 22:48:53,417 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:53,417 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:53,417 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:53,417 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-17 22:48:53,422 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-17 22:48:53,422 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:53,422 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:53,423 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:53,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:53,423 INFO L85 PathProgramCache]: Analyzing trace with hash 164042, now seen corresponding path program 2 times [2025-02-17 22:48:53,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:53,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305450262] [2025-02-17 22:48:53,425 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-17 22:48:53,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:53,428 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:53,433 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:53,433 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-17 22:48:53,433 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:53,434 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:53,434 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:53,435 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:53,435 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:53,435 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:53,436 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:53,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:53,436 INFO L85 PathProgramCache]: Analyzing trace with hash 887452845, now seen corresponding path program 1 times [2025-02-17 22:48:53,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:53,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577704467] [2025-02-17 22:48:53,436 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:53,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:53,441 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-17 22:48:53,443 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-17 22:48:53,443 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:53,443 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:48:53,481 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 22:48:53,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-17 22:48:53,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577704467] [2025-02-17 22:48:53,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577704467] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-17 22:48:53,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-17 22:48:53,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-17 22:48:53,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230159195] [2025-02-17 22:48:53,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-17 22:48:53,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-17 22:48:53,503 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-17 22:48:53,503 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-17 22:48:53,504 INFO L87 Difference]: Start difference. First operand 895 states and 2288 transitions. cyclomatic complexity: 1510 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 2 states have internal predecessors, (8), 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 22:48:53,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-17 22:48:53,532 INFO L93 Difference]: Finished difference Result 1018 states and 2540 transitions. [2025-02-17 22:48:53,532 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1018 states and 2540 transitions. [2025-02-17 22:48:53,537 INFO L131 ngComponentsAnalysis]: Automaton has 74 accepting balls. 293 [2025-02-17 22:48:53,542 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1018 states to 990 states and 2480 transitions. [2025-02-17 22:48:53,543 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 443 [2025-02-17 22:48:53,543 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 447 [2025-02-17 22:48:53,543 INFO L73 IsDeterministic]: Start isDeterministic. Operand 990 states and 2480 transitions. [2025-02-17 22:48:53,543 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-17 22:48:53,543 INFO L218 hiAutomatonCegarLoop]: Abstraction has 990 states and 2480 transitions. [2025-02-17 22:48:53,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 990 states and 2480 transitions. [2025-02-17 22:48:53,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 990 to 855. [2025-02-17 22:48:53,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 855 states, 855 states have (on average 2.552046783625731) internal successors, (2182), 854 states have internal predecessors, (2182), 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 22:48:53,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 855 states to 855 states and 2182 transitions. [2025-02-17 22:48:53,561 INFO L240 hiAutomatonCegarLoop]: Abstraction has 855 states and 2182 transitions. [2025-02-17 22:48:53,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-17 22:48:53,563 INFO L432 stractBuchiCegarLoop]: Abstraction has 855 states and 2182 transitions. [2025-02-17 22:48:53,563 INFO L338 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2025-02-17 22:48:53,563 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 855 states and 2182 transitions. [2025-02-17 22:48:53,566 INFO L131 ngComponentsAnalysis]: Automaton has 56 accepting balls. 234 [2025-02-17 22:48:53,566 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-17 22:48:53,566 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-17 22:48:53,566 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2025-02-17 22:48:53,566 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-02-17 22:48:53,566 INFO L752 eck$LassoCheckResult]: Stem: "[127] $Ultimate##0-->L22: Formula: (< v_b_5 0) InVars {b=v_b_5} OutVars{b=v_b_5} AuxVars[] AssignedVars[]" "[108] L22-->L20-1: Formula: (= v_t_5 1) InVars {} OutVars{t=v_t_5} AuxVars[] AssignedVars[t]" "[111] L20-1-->L29: Formula: (and (< 0 v_b1_4) (= v_q2_3 0) (< v_b2_4 v_a2_1) (= v_a2_1 v_r2_5) (= v_q1_3 0) (< 0 v_b2_4) (= v_a1_1 v_r1_5) (< v_b1_4 v_a1_1)) InVars {a1=v_a1_1, r2=v_r2_5, b2=v_b2_4, q1=v_q1_3, a2=v_a2_1, q2=v_q2_3, r1=v_r1_5, b1=v_b1_4} OutVars{a1=v_a1_1, r2=v_r2_5, b2=v_b2_4, q1=v_q1_3, a2=v_a2_1, q2=v_q2_3, r1=v_r1_5, b1=v_b1_4} AuxVars[] AssignedVars[]" "[166] L29-->L38: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0]" "[131] L38-->L42-2: Formula: (< v_x1_1 0) InVars {x1=v_x1_1} OutVars{x1=v_x1_1} AuxVars[] AssignedVars[]" [2025-02-17 22:48:53,567 INFO L754 eck$LassoCheckResult]: Loop: "[135] L42-2-->L42: Formula: (< v_z_1 0) InVars {z=v_z_1} OutVars{z=v_z_1} AuxVars[] AssignedVars[]" "[140] L42-->L44: Formula: (< v_b_1 0) InVars {b=v_b_1} OutVars{b=v_b_1} AuxVars[] AssignedVars[]" "[144] L44-->L42-2: Formula: (= (+ v_z_3 v_t_1) v_z_2) InVars {t=v_t_1, z=v_z_3} OutVars{t=v_t_1, z=v_z_2} AuxVars[] AssignedVars[z]" [2025-02-17 22:48:53,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:53,567 INFO L85 PathProgramCache]: Analyzing trace with hash 149245694, now seen corresponding path program 2 times [2025-02-17 22:48:53,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:53,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315085300] [2025-02-17 22:48:53,567 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-17 22:48:53,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:53,570 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 5 statements into 1 equivalence classes. [2025-02-17 22:48:53,574 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-17 22:48:53,574 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-17 22:48:53,574 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:53,574 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:53,575 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-17 22:48:53,576 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-17 22:48:53,576 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:53,576 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:53,578 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:53,581 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:53,581 INFO L85 PathProgramCache]: Analyzing trace with hash 164010, now seen corresponding path program 1 times [2025-02-17 22:48:53,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:53,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661251756] [2025-02-17 22:48:53,581 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:53,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:53,582 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:53,583 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:53,583 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:53,583 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:53,583 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:53,584 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:53,584 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:53,584 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:53,584 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:53,587 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:53,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:53,588 INFO L85 PathProgramCache]: Analyzing trace with hash 887452813, now seen corresponding path program 1 times [2025-02-17 22:48:53,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:53,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691805453] [2025-02-17 22:48:53,588 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:53,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:53,590 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-17 22:48:53,594 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-17 22:48:53,594 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:53,594 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:53,594 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:53,595 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-17 22:48:53,599 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-17 22:48:53,599 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:53,599 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:53,600 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:53,682 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:48:53,682 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:48:53,682 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:48:53,682 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:48:53,683 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-02-17 22:48:53,683 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:53,683 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:48:53,683 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:48:53,683 INFO L132 ssoRankerPreferences]: Filename of dumped script: multi.c.bpl_petrified1_Iteration5_Lasso [2025-02-17 22:48:53,683 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:48:53,683 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:48:53,683 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:53,688 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:53,689 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:53,694 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:53,696 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:53,704 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:53,706 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:53,712 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:53,776 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:48:53,776 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-02-17 22:48:53,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:53,776 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:53,778 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 22:48:53,779 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 22:48:53,780 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:53,780 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:53,800 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:48:53,800 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {a1=3, r1=3, b1=2} Honda state: {a1=3, r1=3, b1=2} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:48:53,806 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2025-02-17 22:48:53,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:53,807 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:53,808 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 22:48:53,809 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 22:48:53,810 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:53,810 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:53,826 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:48:53,826 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {q1=0} Honda state: {q1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:48:53,832 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2025-02-17 22:48:53,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:53,832 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:53,834 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 22:48:53,835 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 22:48:53,837 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:53,837 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:53,856 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:48:53,856 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {a2=6, r2=6, b2=4} Honda state: {a2=6, r2=6, b2=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:48:53,862 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 22:48:53,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:53,862 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:53,864 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 22:48:53,866 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 22:48:53,867 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:53,867 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:53,884 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:48:53,884 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {q2=0} Honda state: {q2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:48:53,889 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2025-02-17 22:48:53,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:53,890 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:53,923 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 22:48:53,924 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 22:48:53,925 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:53,925 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:53,943 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2025-02-17 22:48:53,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:53,944 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:53,945 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 22:48:53,947 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 22:48:53,948 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-02-17 22:48:53,948 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:53,996 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-02-17 22:48:54,000 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2025-02-17 22:48:54,000 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:48:54,001 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:48:54,001 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:48:54,001 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:48:54,001 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-17 22:48:54,001 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:54,001 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:48:54,001 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:48:54,001 INFO L132 ssoRankerPreferences]: Filename of dumped script: multi.c.bpl_petrified1_Iteration5_Lasso [2025-02-17 22:48:54,001 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:48:54,001 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:48:54,002 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:54,007 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:54,008 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:54,013 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:54,015 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:54,020 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:54,022 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:54,024 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:54,092 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:48:54,093 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-17 22:48:54,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:54,093 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:54,094 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 22:48:54,096 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 22:48:54,097 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 22:48:54,106 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:48:54,107 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:48:54,107 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:48:54,107 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:48:54,108 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:48:54,108 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:48:54,112 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:48:54,118 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2025-02-17 22:48:54,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:54,118 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:54,120 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 22:48:54,121 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 22:48:54,123 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 22:48:54,133 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:48:54,133 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:48:54,133 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:48:54,133 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:48:54,135 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:48:54,135 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:48:54,138 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:48:54,143 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2025-02-17 22:48:54,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:54,144 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:54,146 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 22:48:54,148 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 22:48:54,150 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 22:48:54,161 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:48:54,161 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:48:54,161 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:48:54,161 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:48:54,164 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:48:54,164 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:48:54,167 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:48:54,172 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2025-02-17 22:48:54,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:54,172 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:54,174 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 22:48:54,175 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 22:48:54,176 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 22:48:54,186 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:48:54,186 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:48:54,186 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:48:54,186 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:48:54,188 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:48:54,188 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:48:54,190 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:48:54,196 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 22:48:54,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:54,196 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:54,198 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 22:48:54,199 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 22:48:54,200 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 22:48:54,210 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:48:54,210 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:48:54,210 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:48:54,210 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:48:54,212 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:48:54,212 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:48:54,217 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-17 22:48:54,222 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2025-02-17 22:48:54,222 INFO L444 ModelExtractionUtils]: 5 out of 10 variables were initially zero. Simplification set additionally 1 variables to zero. [2025-02-17 22:48:54,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:54,223 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:54,225 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 22:48:54,226 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 22:48:54,227 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-17 22:48:54,237 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2025-02-17 22:48:54,237 INFO L474 LassoAnalysis]: Proved termination. [2025-02-17 22:48:54,237 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(z) = -1*z Supporting invariants [1*t - 1 >= 0] [2025-02-17 22:48:54,243 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 22:48:54,245 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2025-02-17 22:48:54,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:54,266 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-17 22:48:54,268 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-17 22:48:54,268 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:54,268 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:48:54,268 INFO L256 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-17 22:48:54,268 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:48:54,308 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:54,308 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:54,308 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:54,308 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:48:54,308 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-17 22:48:54,309 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:48:54,328 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 22:48:54,329 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2025-02-17 22:48:54,329 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 855 states and 2182 transitions. cyclomatic complexity: 1448 Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 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 22:48:54,414 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 855 states and 2182 transitions. cyclomatic complexity: 1448. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 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 2084 states and 5224 transitions. Complement of second has 10 states. [2025-02-17 22:48:54,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 2 stem states 2 non-accepting loop states 2 accepting loop states [2025-02-17 22:48:54,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 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 22:48:54,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 183 transitions. [2025-02-17 22:48:54,417 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 183 transitions. Stem has 5 letters. Loop has 3 letters. [2025-02-17 22:48:54,417 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:48:54,417 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 183 transitions. Stem has 8 letters. Loop has 3 letters. [2025-02-17 22:48:54,417 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:48:54,417 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 183 transitions. Stem has 5 letters. Loop has 6 letters. [2025-02-17 22:48:54,417 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:48:54,417 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2084 states and 5224 transitions. [2025-02-17 22:48:54,428 INFO L131 ngComponentsAnalysis]: Automaton has 124 accepting balls. 496 [2025-02-17 22:48:54,438 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2084 states to 1654 states and 4107 transitions. [2025-02-17 22:48:54,438 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 703 [2025-02-17 22:48:54,439 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 738 [2025-02-17 22:48:54,439 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1654 states and 4107 transitions. [2025-02-17 22:48:54,439 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-17 22:48:54,439 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1654 states and 4107 transitions. [2025-02-17 22:48:54,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1654 states and 4107 transitions. [2025-02-17 22:48:54,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1654 to 1287. [2025-02-17 22:48:54,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1287 states, 1287 states have (on average 2.526806526806527) internal successors, (3252), 1286 states have internal predecessors, (3252), 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 22:48:54,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1287 states to 1287 states and 3252 transitions. [2025-02-17 22:48:54,462 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1287 states and 3252 transitions. [2025-02-17 22:48:54,462 INFO L432 stractBuchiCegarLoop]: Abstraction has 1287 states and 3252 transitions. [2025-02-17 22:48:54,462 INFO L338 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2025-02-17 22:48:54,462 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1287 states and 3252 transitions. [2025-02-17 22:48:54,466 INFO L131 ngComponentsAnalysis]: Automaton has 72 accepting balls. 285 [2025-02-17 22:48:54,466 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-17 22:48:54,466 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-17 22:48:54,466 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2025-02-17 22:48:54,466 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-02-17 22:48:54,467 INFO L752 eck$LassoCheckResult]: Stem: "[128] $Ultimate##0-->L26: Formula: (<= 0 v_b_6) InVars {b=v_b_6} OutVars{b=v_b_6} AuxVars[] AssignedVars[]" "[116] L26-->L20-1: Formula: (= (+ v_t_6 1) 0) InVars {} OutVars{t=v_t_6} AuxVars[] AssignedVars[t]" "[111] L20-1-->L29: Formula: (and (< 0 v_b1_4) (= v_q2_3 0) (< v_b2_4 v_a2_1) (= v_a2_1 v_r2_5) (= v_q1_3 0) (< 0 v_b2_4) (= v_a1_1 v_r1_5) (< v_b1_4 v_a1_1)) InVars {a1=v_a1_1, r2=v_r2_5, b2=v_b2_4, q1=v_q1_3, a2=v_a2_1, q2=v_q2_3, r1=v_r1_5, b1=v_b1_4} OutVars{a1=v_a1_1, r2=v_r2_5, b2=v_b2_4, q1=v_q1_3, a2=v_a2_1, q2=v_q2_3, r1=v_r1_5, b1=v_b1_4} AuxVars[] AssignedVars[]" "[166] L29-->L38: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0]" "[130] L38-->L53-1: Formula: (<= 0 v_x1_4) InVars {x1=v_x1_4} OutVars{x1=v_x1_4} AuxVars[] AssignedVars[]" "[132] L53-1-->L57-1: Formula: (<= 0 v_y1_4) InVars {y1=v_y1_4} OutVars{y1=v_y1_4} AuxVars[] AssignedVars[]" [2025-02-17 22:48:54,467 INFO L754 eck$LassoCheckResult]: Loop: "[137] L57-1-->L59: Formula: (<= v_b1_3 v_r1_4) InVars {r1=v_r1_4, b1=v_b1_3} OutVars{r1=v_r1_4, b1=v_b1_3} AuxVars[] AssignedVars[]" "[143] L59-->L60: Formula: (= (+ v_q1_2 1) v_q1_1) InVars {q1=v_q1_2} OutVars{q1=v_q1_1} AuxVars[] AssignedVars[q1]" "[146] L60-->L57-1: Formula: (= v_r1_2 (+ v_b1_1 v_r1_1)) InVars {r1=v_r1_2, b1=v_b1_1} OutVars{r1=v_r1_1, b1=v_b1_1} AuxVars[] AssignedVars[r1]" [2025-02-17 22:48:54,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:54,467 INFO L85 PathProgramCache]: Analyzing trace with hash 367666638, now seen corresponding path program 1 times [2025-02-17 22:48:54,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:54,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134621079] [2025-02-17 22:48:54,467 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:54,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:54,469 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-17 22:48:54,474 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-17 22:48:54,474 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:54,474 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:54,474 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:54,475 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-17 22:48:54,476 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-17 22:48:54,476 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:54,476 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:54,477 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:54,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:54,477 INFO L85 PathProgramCache]: Analyzing trace with hash 166027, now seen corresponding path program 1 times [2025-02-17 22:48:54,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:54,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929211916] [2025-02-17 22:48:54,478 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:54,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:54,479 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:54,480 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:54,480 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:54,480 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:54,480 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:54,480 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:54,481 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:54,481 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:54,481 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:54,481 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:54,481 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:54,481 INFO L85 PathProgramCache]: Analyzing trace with hash 990344094, now seen corresponding path program 1 times [2025-02-17 22:48:54,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:54,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787039135] [2025-02-17 22:48:54,482 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:54,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:54,483 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-02-17 22:48:54,485 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-02-17 22:48:54,485 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:54,485 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:54,485 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:54,486 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-02-17 22:48:54,489 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-02-17 22:48:54,490 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:54,490 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:54,491 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:54,506 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:48:54,506 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:48:54,506 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:48:54,506 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:48:54,506 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-02-17 22:48:54,507 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:54,507 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:48:54,507 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:48:54,507 INFO L132 ssoRankerPreferences]: Filename of dumped script: multi.c.bpl_petrified1_Iteration6_Loop [2025-02-17 22:48:54,507 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:48:54,507 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:48:54,507 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:54,511 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:54,525 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:48:54,525 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-02-17 22:48:54,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:54,526 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:54,527 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 22:48:54,528 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 22:48:54,529 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:54,529 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:54,546 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:48:54,546 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {r1=0, b1=0} Honda state: {r1=0, b1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:48:54,551 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2025-02-17 22:48:54,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:54,552 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:54,553 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 22:48:54,554 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 22:48:54,555 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:54,555 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:54,573 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2025-02-17 22:48:54,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:54,573 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:54,574 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 22:48:54,575 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 22:48:54,578 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-02-17 22:48:54,578 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:54,603 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:48:54,603 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {q1=0} Honda state: {q1=0} Generalized eigenvectors: [{q1=-1}, {q1=4}, {q1=-2}] Lambdas: [5, 1, 1] Nus: [1, 0] [2025-02-17 22:48:54,609 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 22:48:54,676 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:48:54,676 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:48:54,676 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:48:54,676 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:48:54,676 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-02-17 22:48:54,676 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:54,676 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:48:54,676 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:48:54,676 INFO L132 ssoRankerPreferences]: Filename of dumped script: multi.c.bpl_petrified1_Iteration6_Lasso [2025-02-17 22:48:54,676 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:48:54,676 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:48:54,677 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:54,680 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:54,683 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:54,685 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:54,689 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:54,690 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:54,692 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:54,699 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:54,701 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:54,759 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:48:54,759 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-02-17 22:48:54,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:54,759 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:54,761 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 22:48:54,762 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 22:48:54,763 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:54,763 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:54,780 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:48:54,780 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {b=0} Honda state: {b=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:48:54,786 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 22:48:54,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:54,787 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:54,788 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 22:48:54,789 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 22:48:54,790 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:54,790 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:54,810 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2025-02-17 22:48:54,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:54,810 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:54,812 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 22:48:54,813 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 22:48:54,815 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-02-17 22:48:54,815 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:54,837 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:48:54,837 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {q1=0} Honda state: {q1=0} Generalized eigenvectors: [{q1=-1}, {q1=-1}, {q1=3}] Lambdas: [0, 1, 1] Nus: [1, 0] [2025-02-17 22:48:54,842 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2025-02-17 22:48:54,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:54,843 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:54,844 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 22:48:54,845 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 22:48:54,846 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:54,846 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:54,863 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:48:54,863 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {q2=0} Honda state: {q2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:48:54,868 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2025-02-17 22:48:54,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:54,868 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:54,870 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 22:48:54,871 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 22:48:54,871 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:54,872 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:54,894 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:48:54,894 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {r2=6, a2=6, b2=4} Honda state: {r2=6, a2=6, b2=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:48:54,899 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2025-02-17 22:48:54,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:54,900 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:54,901 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 22:48:54,902 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 22:48:54,904 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:54,905 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:54,917 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:48:54,917 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 22:48:54,923 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 22:48:54,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:54,923 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:54,925 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 22:48:54,926 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 22:48:54,926 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:54,926 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:54,943 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:48:54,943 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {t=0} Honda state: {t=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:48:54,949 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2025-02-17 22:48:54,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:54,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:54,951 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 22:48:54,951 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 22:48:54,952 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:54,952 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:54,975 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2025-02-17 22:48:54,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:54,976 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:54,978 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 22:48:54,978 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 22:48:54,979 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-02-17 22:48:54,979 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:55,109 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-02-17 22:48:55,115 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2025-02-17 22:48:55,115 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:48:55,115 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:48:55,115 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:48:55,116 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:48:55,116 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-17 22:48:55,116 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:55,116 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:48:55,116 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:48:55,116 INFO L132 ssoRankerPreferences]: Filename of dumped script: multi.c.bpl_petrified1_Iteration6_Lasso [2025-02-17 22:48:55,116 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:48:55,116 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:48:55,116 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:55,120 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:55,122 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:55,124 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:55,128 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:55,130 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:55,132 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:55,138 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:55,140 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:55,172 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 22:48:55,213 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:48:55,213 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-17 22:48:55,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:55,213 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:55,215 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 22:48:55,216 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 22:48:55,217 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 22:48:55,227 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:48:55,227 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:48:55,227 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:48:55,227 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:48:55,228 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:48:55,228 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:48:55,230 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:48:55,235 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 22:48:55,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:55,235 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:55,237 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 22:48:55,238 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 22:48:55,239 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 22:48:55,249 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:48:55,249 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:48:55,249 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:48:55,249 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:48:55,250 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:48:55,250 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:48:55,253 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:48:55,258 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2025-02-17 22:48:55,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:55,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:55,260 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 22:48:55,261 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 22:48:55,262 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 22:48:55,271 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:48:55,271 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:48:55,271 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:48:55,271 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:48:55,273 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:48:55,273 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:48:55,275 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:48:55,280 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2025-02-17 22:48:55,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:55,281 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:55,282 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 22:48:55,283 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 22:48:55,284 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 22:48:55,293 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:48:55,294 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:48:55,294 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:48:55,294 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:48:55,295 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:48:55,295 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:48:55,299 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:48:55,305 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 22:48:55,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:55,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:55,307 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 22:48:55,308 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 22:48:55,309 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 22:48:55,319 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:48:55,319 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:48:55,319 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:48:55,319 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:48:55,320 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:48:55,320 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:48:55,322 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:48:55,327 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2025-02-17 22:48:55,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:55,327 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:55,355 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 22:48:55,356 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 22:48:55,357 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 22:48:55,366 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:48:55,367 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:48:55,367 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:48:55,367 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:48:55,367 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:48:55,367 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:48:55,370 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:48:55,375 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2025-02-17 22:48:55,375 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:55,375 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:55,417 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 22:48:55,420 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 22:48:55,420 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 22:48:55,429 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:48:55,430 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:48:55,430 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:48:55,430 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:48:55,431 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:48:55,431 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:48:55,444 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-17 22:48:55,448 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2025-02-17 22:48:55,449 INFO L444 ModelExtractionUtils]: 6 out of 13 variables were initially zero. Simplification set additionally 1 variables to zero. [2025-02-17 22:48:55,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:55,449 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:55,450 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 22:48:55,451 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 22:48:55,452 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-17 22:48:55,462 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2025-02-17 22:48:55,462 INFO L474 LassoAnalysis]: Proved termination. [2025-02-17 22:48:55,462 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(r1, b1) = 2*r1 - 2*b1 + 1 Supporting invariants [1*b1 - 1 >= 0] [2025-02-17 22:48:55,468 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 22:48:55,473 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2025-02-17 22:48:55,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:55,493 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-17 22:48:55,494 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-17 22:48:55,494 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:55,495 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:48:55,495 INFO L256 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-17 22:48:55,495 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:48:55,519 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:55,520 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:55,520 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:55,520 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:48:55,520 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-17 22:48:55,521 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:48:55,545 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 22:48:55,545 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2025-02-17 22:48:55,546 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1287 states and 3252 transitions. cyclomatic complexity: 2142 Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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 22:48:55,586 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1287 states and 3252 transitions. cyclomatic complexity: 2142. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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 1735 states and 4485 transitions. Complement of second has 7 states. [2025-02-17 22:48:55,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2025-02-17 22:48:55,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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 22:48:55,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 93 transitions. [2025-02-17 22:48:55,588 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 93 transitions. Stem has 6 letters. Loop has 3 letters. [2025-02-17 22:48:55,588 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:48:55,588 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 93 transitions. Stem has 9 letters. Loop has 3 letters. [2025-02-17 22:48:55,588 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:48:55,588 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 93 transitions. Stem has 6 letters. Loop has 6 letters. [2025-02-17 22:48:55,589 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:48:55,589 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1735 states and 4485 transitions. [2025-02-17 22:48:55,597 INFO L131 ngComponentsAnalysis]: Automaton has 62 accepting balls. 216 [2025-02-17 22:48:55,604 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1735 states to 1465 states and 3826 transitions. [2025-02-17 22:48:55,604 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 446 [2025-02-17 22:48:55,605 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 526 [2025-02-17 22:48:55,605 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1465 states and 3826 transitions. [2025-02-17 22:48:55,605 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-17 22:48:55,605 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1465 states and 3826 transitions. [2025-02-17 22:48:55,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1465 states and 3826 transitions. [2025-02-17 22:48:55,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1465 to 1329. [2025-02-17 22:48:55,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1329 states, 1329 states have (on average 2.603461249059443) internal successors, (3460), 1328 states have internal predecessors, (3460), 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 22:48:55,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1329 states to 1329 states and 3460 transitions. [2025-02-17 22:48:55,628 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1329 states and 3460 transitions. [2025-02-17 22:48:55,628 INFO L432 stractBuchiCegarLoop]: Abstraction has 1329 states and 3460 transitions. [2025-02-17 22:48:55,628 INFO L338 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2025-02-17 22:48:55,628 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1329 states and 3460 transitions. [2025-02-17 22:48:55,632 INFO L131 ngComponentsAnalysis]: Automaton has 60 accepting balls. 210 [2025-02-17 22:48:55,632 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-17 22:48:55,632 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-17 22:48:55,633 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2025-02-17 22:48:55,633 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-02-17 22:48:55,634 INFO L752 eck$LassoCheckResult]: Stem: "[128] $Ultimate##0-->L26: Formula: (<= 0 v_b_6) InVars {b=v_b_6} OutVars{b=v_b_6} AuxVars[] AssignedVars[]" "[116] L26-->L20-1: Formula: (= (+ v_t_6 1) 0) InVars {} OutVars{t=v_t_6} AuxVars[] AssignedVars[t]" "[111] L20-1-->L29: Formula: (and (< 0 v_b1_4) (= v_q2_3 0) (< v_b2_4 v_a2_1) (= v_a2_1 v_r2_5) (= v_q1_3 0) (< 0 v_b2_4) (= v_a1_1 v_r1_5) (< v_b1_4 v_a1_1)) InVars {a1=v_a1_1, r2=v_r2_5, b2=v_b2_4, q1=v_q1_3, a2=v_a2_1, q2=v_q2_3, r1=v_r1_5, b1=v_b1_4} OutVars{a1=v_a1_1, r2=v_r2_5, b2=v_b2_4, q1=v_q1_3, a2=v_a2_1, q2=v_q2_3, r1=v_r1_5, b1=v_b1_4} AuxVars[] AssignedVars[]" "[166] L29-->L38: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0]" "[131] L38-->L42-2: Formula: (< v_x1_1 0) InVars {x1=v_x1_1} OutVars{x1=v_x1_1} AuxVars[] AssignedVars[]" "[169] L29-1-->L67: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1]" [2025-02-17 22:48:55,634 INFO L754 eck$LassoCheckResult]: Loop: "[148] L67-->L71-2: Formula: (< v_x2_1 0) InVars {x2=v_x2_1} OutVars{x2=v_x2_1} AuxVars[] AssignedVars[]" "[151] L71-2-->L80: Formula: (<= 0 v_z_12) InVars {z=v_z_12} OutVars{z=v_z_12} AuxVars[] AssignedVars[]" "[156] L80-->L67: Formula: (= v_x2_2 (+ v_x2_3 1)) InVars {x2=v_x2_3} OutVars{x2=v_x2_2} AuxVars[] AssignedVars[x2]" [2025-02-17 22:48:55,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:55,634 INFO L85 PathProgramCache]: Analyzing trace with hash 367666706, now seen corresponding path program 1 times [2025-02-17 22:48:55,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:55,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291487636] [2025-02-17 22:48:55,634 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:55,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:55,637 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-17 22:48:55,641 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-17 22:48:55,641 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:55,641 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:55,641 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:55,644 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-17 22:48:55,646 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-17 22:48:55,646 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:55,646 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:55,647 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:55,647 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:55,647 INFO L85 PathProgramCache]: Analyzing trace with hash 176856, now seen corresponding path program 1 times [2025-02-17 22:48:55,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:55,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195044644] [2025-02-17 22:48:55,647 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:55,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:55,651 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:55,651 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:55,651 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:55,651 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:55,651 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:55,652 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:55,652 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:55,652 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:55,652 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:55,653 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:55,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:55,653 INFO L85 PathProgramCache]: Analyzing trace with hash 992380711, now seen corresponding path program 1 times [2025-02-17 22:48:55,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:55,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599405554] [2025-02-17 22:48:55,653 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:55,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:55,657 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-02-17 22:48:55,662 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-02-17 22:48:55,663 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:55,663 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:55,663 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:55,663 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-02-17 22:48:55,665 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-02-17 22:48:55,665 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:55,665 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:55,665 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:55,681 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:48:55,681 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:48:55,681 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:48:55,681 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:48:55,681 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-02-17 22:48:55,681 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:55,681 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:48:55,682 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:48:55,682 INFO L132 ssoRankerPreferences]: Filename of dumped script: multi.c.bpl_petrified1_Iteration7_Loop [2025-02-17 22:48:55,682 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:48:55,682 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:48:55,682 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:55,687 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:55,696 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:48:55,696 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-02-17 22:48:55,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:55,697 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:55,700 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 22:48:55,700 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 22:48:55,702 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:55,702 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:55,720 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2025-02-17 22:48:55,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:55,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:55,722 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 22:48:55,723 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 22:48:55,724 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-02-17 22:48:55,724 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:55,744 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-02-17 22:48:55,748 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 22:48:55,748 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:48:55,748 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:48:55,748 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:48:55,748 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:48:55,748 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-17 22:48:55,748 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:55,748 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:48:55,748 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:48:55,748 INFO L132 ssoRankerPreferences]: Filename of dumped script: multi.c.bpl_petrified1_Iteration7_Loop [2025-02-17 22:48:55,748 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:48:55,748 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:48:55,749 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:55,754 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:55,769 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:48:55,769 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-17 22:48:55,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:55,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:55,771 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 22:48:55,772 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 22:48:55,773 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 22:48:55,783 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:48:55,783 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-17 22:48:55,783 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:48:55,783 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:48:55,783 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:48:55,784 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-17 22:48:55,784 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-17 22:48:55,785 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-17 22:48:55,787 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2025-02-17 22:48:55,787 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2025-02-17 22:48:55,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:55,787 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:55,790 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 22:48:55,790 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 22:48:55,791 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-17 22:48:55,791 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2025-02-17 22:48:55,791 INFO L474 LassoAnalysis]: Proved termination. [2025-02-17 22:48:55,791 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(x2) = -1*x2 Supporting invariants [] [2025-02-17 22:48:55,797 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2025-02-17 22:48:55,797 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-02-17 22:48:55,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:55,812 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-17 22:48:55,815 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-17 22:48:55,815 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:55,815 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:48:55,815 INFO L256 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-17 22:48:55,816 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:48:55,827 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:55,830 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:55,830 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:55,830 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:48:55,830 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-17 22:48:55,830 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:48:55,842 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 22:48:55,842 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 22:48:55,842 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1329 states and 3460 transitions. cyclomatic complexity: 2299 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 22:48:55,875 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1329 states and 3460 transitions. cyclomatic complexity: 2299. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 3303 states and 8892 transitions. Complement of second has 6 states. [2025-02-17 22:48:55,875 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 22:48:55,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 22:48:55,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 89 transitions. [2025-02-17 22:48:55,878 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 89 transitions. Stem has 6 letters. Loop has 3 letters. [2025-02-17 22:48:55,878 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:48:55,878 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 89 transitions. Stem has 9 letters. Loop has 3 letters. [2025-02-17 22:48:55,878 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:48:55,878 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 89 transitions. Stem has 6 letters. Loop has 6 letters. [2025-02-17 22:48:55,878 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:48:55,878 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3303 states and 8892 transitions. [2025-02-17 22:48:55,913 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 22:48:55,916 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 22:48:55,918 INFO L131 ngComponentsAnalysis]: Automaton has 50 accepting balls. 149 [2025-02-17 22:48:55,931 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3303 states to 2344 states and 6197 transitions. [2025-02-17 22:48:55,931 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 507 [2025-02-17 22:48:55,932 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 557 [2025-02-17 22:48:55,932 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2344 states and 6197 transitions. [2025-02-17 22:48:55,932 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-17 22:48:55,932 INFO L218 hiAutomatonCegarLoop]: Abstraction has 2344 states and 6197 transitions. [2025-02-17 22:48:55,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2344 states and 6197 transitions. [2025-02-17 22:48:55,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2344 to 2198. [2025-02-17 22:48:55,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2198 states, 2198 states have (on average 2.6474067333939946) internal successors, (5819), 2197 states have internal predecessors, (5819), 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 22:48:55,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2198 states to 2198 states and 5819 transitions. [2025-02-17 22:48:55,968 INFO L240 hiAutomatonCegarLoop]: Abstraction has 2198 states and 5819 transitions. [2025-02-17 22:48:55,968 INFO L432 stractBuchiCegarLoop]: Abstraction has 2198 states and 5819 transitions. [2025-02-17 22:48:55,968 INFO L338 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2025-02-17 22:48:55,968 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2198 states and 5819 transitions. [2025-02-17 22:48:55,975 INFO L131 ngComponentsAnalysis]: Automaton has 50 accepting balls. 149 [2025-02-17 22:48:55,976 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-17 22:48:55,976 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-17 22:48:55,976 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-02-17 22:48:55,976 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-02-17 22:48:55,976 INFO L752 eck$LassoCheckResult]: Stem: "[128] $Ultimate##0-->L26: Formula: (<= 0 v_b_6) InVars {b=v_b_6} OutVars{b=v_b_6} AuxVars[] AssignedVars[]" "[116] L26-->L20-1: Formula: (= (+ v_t_6 1) 0) InVars {} OutVars{t=v_t_6} AuxVars[] AssignedVars[t]" "[111] L20-1-->L29: Formula: (and (< 0 v_b1_4) (= v_q2_3 0) (< v_b2_4 v_a2_1) (= v_a2_1 v_r2_5) (= v_q1_3 0) (< 0 v_b2_4) (= v_a1_1 v_r1_5) (< v_b1_4 v_a1_1)) InVars {a1=v_a1_1, r2=v_r2_5, b2=v_b2_4, q1=v_q1_3, a2=v_a2_1, q2=v_q2_3, r1=v_r1_5, b1=v_b1_4} OutVars{a1=v_a1_1, r2=v_r2_5, b2=v_b2_4, q1=v_q1_3, a2=v_a2_1, q2=v_q2_3, r1=v_r1_5, b1=v_b1_4} AuxVars[] AssignedVars[]" "[166] L29-->L38: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0]" "[131] L38-->L42-2: Formula: (< v_x1_1 0) InVars {x1=v_x1_1} OutVars{x1=v_x1_1} AuxVars[] AssignedVars[]" "[169] L29-1-->L67: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1]" "[147] L67-->L82-1: Formula: (<= 0 v_x2_4) InVars {x2=v_x2_4} OutVars{x2=v_x2_4} AuxVars[] AssignedVars[]" [2025-02-17 22:48:55,977 INFO L754 eck$LassoCheckResult]: Loop: "[150] L82-1-->L84: Formula: (< v_y2_1 0) InVars {y2=v_y2_1} OutVars{y2=v_y2_1} AuxVars[] AssignedVars[]" "[155] L84-->L82-1: Formula: (= v_y2_2 (+ v_y2_3 1)) InVars {y2=v_y2_3} OutVars{y2=v_y2_2} AuxVars[] AssignedVars[y2]" [2025-02-17 22:48:55,977 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:55,977 INFO L85 PathProgramCache]: Analyzing trace with hash -1487233855, now seen corresponding path program 1 times [2025-02-17 22:48:55,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:55,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124521207] [2025-02-17 22:48:55,977 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:55,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:55,980 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-17 22:48:55,983 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-17 22:48:55,983 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:55,983 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:55,983 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:55,984 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-17 22:48:55,987 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-17 22:48:55,987 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:55,987 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:55,988 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:55,988 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:55,989 INFO L85 PathProgramCache]: Analyzing trace with hash 5766, now seen corresponding path program 1 times [2025-02-17 22:48:55,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:55,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883816547] [2025-02-17 22:48:55,989 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:55,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:55,994 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-17 22:48:55,995 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-17 22:48:55,995 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:55,995 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:55,995 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:55,995 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-17 22:48:55,996 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-17 22:48:55,996 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:55,996 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:55,996 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:55,998 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:55,998 INFO L85 PathProgramCache]: Analyzing trace with hash 992379718, now seen corresponding path program 1 times [2025-02-17 22:48:55,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:55,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464879786] [2025-02-17 22:48:55,998 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:55,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:56,000 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-02-17 22:48:56,002 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-02-17 22:48:56,003 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:56,003 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:56,003 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:56,003 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-02-17 22:48:56,005 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-02-17 22:48:56,005 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:56,005 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:56,007 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:56,017 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:48:56,017 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:48:56,018 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:48:56,018 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:48:56,018 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-02-17 22:48:56,018 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:56,018 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:48:56,018 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:48:56,018 INFO L132 ssoRankerPreferences]: Filename of dumped script: multi.c.bpl_petrified1_Iteration8_Loop [2025-02-17 22:48:56,018 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:48:56,018 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:48:56,018 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:56,031 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:48:56,031 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-02-17 22:48:56,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:56,031 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:56,033 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 22:48:56,034 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 22:48:56,036 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:56,036 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:56,053 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 22:48:56,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:56,054 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:56,055 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 22:48:56,056 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 22:48:56,058 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-02-17 22:48:56,058 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:56,079 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-02-17 22:48:56,083 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 22:48:56,083 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:48:56,083 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:48:56,083 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:48:56,083 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:48:56,083 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-17 22:48:56,084 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:56,084 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:48:56,084 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:48:56,084 INFO L132 ssoRankerPreferences]: Filename of dumped script: multi.c.bpl_petrified1_Iteration8_Loop [2025-02-17 22:48:56,084 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:48:56,084 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:48:56,084 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:56,100 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:48:56,100 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-17 22:48:56,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:56,101 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:56,102 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 22:48:56,104 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 22:48:56,104 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 22:48:56,114 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:48:56,115 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-17 22:48:56,115 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:48:56,115 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:48:56,115 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:48:56,116 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-17 22:48:56,116 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-17 22:48:56,117 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-17 22:48:56,121 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2025-02-17 22:48:56,121 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2025-02-17 22:48:56,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:56,121 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:56,123 INFO L229 MonitoredProcess]: Starting monitored process 62 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 22:48:56,124 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2025-02-17 22:48:56,125 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-17 22:48:56,125 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2025-02-17 22:48:56,125 INFO L474 LassoAnalysis]: Proved termination. [2025-02-17 22:48:56,125 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(y2) = -1*y2 Supporting invariants [] [2025-02-17 22:48:56,131 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 22:48:56,132 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-02-17 22:48:56,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:56,143 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-17 22:48:56,145 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-17 22:48:56,145 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:56,145 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:48:56,146 INFO L256 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-17 22:48:56,146 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:48:56,155 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-17 22:48:56,156 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-17 22:48:56,156 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:56,156 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:48:56,157 WARN L254 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-17 22:48:56,157 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:48:56,171 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 22:48:56,171 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 22:48:56,171 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 2198 states and 5819 transitions. cyclomatic complexity: 3870 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 22:48:56,202 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 2198 states and 5819 transitions. cyclomatic complexity: 3870. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 2863 states and 7589 transitions. Complement of second has 6 states. [2025-02-17 22:48:56,202 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 22:48:56,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 22:48:56,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 96 transitions. [2025-02-17 22:48:56,203 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 96 transitions. Stem has 7 letters. Loop has 2 letters. [2025-02-17 22:48:56,203 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:48:56,203 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 96 transitions. Stem has 9 letters. Loop has 2 letters. [2025-02-17 22:48:56,203 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:48:56,203 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 96 transitions. Stem has 7 letters. Loop has 4 letters. [2025-02-17 22:48:56,203 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:48:56,203 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2863 states and 7589 transitions. [2025-02-17 22:48:56,221 INFO L131 ngComponentsAnalysis]: Automaton has 35 accepting balls. 117 [2025-02-17 22:48:56,235 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2863 states to 2455 states and 6481 transitions. [2025-02-17 22:48:56,235 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 523 [2025-02-17 22:48:56,236 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 562 [2025-02-17 22:48:56,236 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2455 states and 6481 transitions. [2025-02-17 22:48:56,236 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-17 22:48:56,236 INFO L218 hiAutomatonCegarLoop]: Abstraction has 2455 states and 6481 transitions. [2025-02-17 22:48:56,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2455 states and 6481 transitions. [2025-02-17 22:48:56,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2455 to 2378. [2025-02-17 22:48:56,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2378 states, 2378 states have (on average 2.65811606391926) internal successors, (6321), 2377 states have internal predecessors, (6321), 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 22:48:56,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2378 states to 2378 states and 6321 transitions. [2025-02-17 22:48:56,299 INFO L240 hiAutomatonCegarLoop]: Abstraction has 2378 states and 6321 transitions. [2025-02-17 22:48:56,299 INFO L432 stractBuchiCegarLoop]: Abstraction has 2378 states and 6321 transitions. [2025-02-17 22:48:56,299 INFO L338 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2025-02-17 22:48:56,299 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2378 states and 6321 transitions. [2025-02-17 22:48:56,303 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2025-02-17 22:48:56,308 INFO L131 ngComponentsAnalysis]: Automaton has 35 accepting balls. 117 [2025-02-17 22:48:56,308 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-17 22:48:56,308 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-17 22:48:56,308 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-02-17 22:48:56,308 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-02-17 22:48:56,309 INFO L752 eck$LassoCheckResult]: Stem: "[128] $Ultimate##0-->L26: Formula: (<= 0 v_b_6) InVars {b=v_b_6} OutVars{b=v_b_6} AuxVars[] AssignedVars[]" "[116] L26-->L20-1: Formula: (= (+ v_t_6 1) 0) InVars {} OutVars{t=v_t_6} AuxVars[] AssignedVars[t]" "[111] L20-1-->L29: Formula: (and (< 0 v_b1_4) (= v_q2_3 0) (< v_b2_4 v_a2_1) (= v_a2_1 v_r2_5) (= v_q1_3 0) (< 0 v_b2_4) (= v_a1_1 v_r1_5) (< v_b1_4 v_a1_1)) InVars {a1=v_a1_1, r2=v_r2_5, b2=v_b2_4, q1=v_q1_3, a2=v_a2_1, q2=v_q2_3, r1=v_r1_5, b1=v_b1_4} OutVars{a1=v_a1_1, r2=v_r2_5, b2=v_b2_4, q1=v_q1_3, a2=v_a2_1, q2=v_q2_3, r1=v_r1_5, b1=v_b1_4} AuxVars[] AssignedVars[]" "[166] L29-->L38: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0]" "[130] L38-->L53-1: Formula: (<= 0 v_x1_4) InVars {x1=v_x1_4} OutVars{x1=v_x1_4} AuxVars[] AssignedVars[]" "[133] L53-1-->L55: Formula: (< v_y1_1 0) InVars {y1=v_y1_1} OutVars{y1=v_y1_1} AuxVars[] AssignedVars[]" "[169] L29-1-->L67: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1]" "[148] L67-->L71-2: Formula: (< v_x2_1 0) InVars {x2=v_x2_1} OutVars{x2=v_x2_1} AuxVars[] AssignedVars[]" [2025-02-17 22:48:56,309 INFO L754 eck$LassoCheckResult]: Loop: "[152] L71-2-->L71: Formula: (< v_z_7 0) InVars {z=v_z_7} OutVars{z=v_z_7} AuxVars[] AssignedVars[]" "[158] L71-->L77: Formula: (<= 0 v_b_4) InVars {b=v_b_4} OutVars{b=v_b_4} AuxVars[] AssignedVars[]" "[162] L77-->L71-2: Formula: (= v_z_11 (+ v_z_10 v_t_4)) InVars {t=v_t_4, z=v_z_11} OutVars{t=v_t_4, z=v_z_10} AuxVars[] AssignedVars[z]" [2025-02-17 22:48:56,309 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:56,309 INFO L85 PathProgramCache]: Analyzing trace with hash 1140327194, now seen corresponding path program 1 times [2025-02-17 22:48:56,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:56,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003338963] [2025-02-17 22:48:56,309 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:56,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:56,311 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-17 22:48:56,312 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-17 22:48:56,312 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:56,312 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:56,312 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:56,313 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-17 22:48:56,314 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-17 22:48:56,314 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:56,314 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:56,315 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:56,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:56,315 INFO L85 PathProgramCache]: Analyzing trace with hash 180923, now seen corresponding path program 1 times [2025-02-17 22:48:56,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:56,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762615300] [2025-02-17 22:48:56,315 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:56,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:56,316 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:56,317 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:56,317 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:56,317 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:56,317 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:56,317 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:56,318 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:56,318 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:56,318 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:56,318 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:56,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:56,319 INFO L85 PathProgramCache]: Analyzing trace with hash -1703723774, now seen corresponding path program 1 times [2025-02-17 22:48:56,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:56,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958554223] [2025-02-17 22:48:56,319 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:56,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:56,320 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-02-17 22:48:56,321 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-02-17 22:48:56,321 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:56,321 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:56,321 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:56,322 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-02-17 22:48:56,323 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-02-17 22:48:56,323 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:56,323 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:56,324 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:56,416 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:48:56,416 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:48:56,416 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:48:56,416 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:48:56,416 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-02-17 22:48:56,416 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:56,416 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:48:56,416 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:48:56,416 INFO L132 ssoRankerPreferences]: Filename of dumped script: multi.c.bpl_petrified1_Iteration9_Lasso [2025-02-17 22:48:56,416 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:48:56,416 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:48:56,417 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:56,419 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:56,421 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:56,425 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:56,429 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:56,433 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:56,437 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:56,439 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:56,440 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:56,442 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:56,444 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:56,445 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:56,513 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:48:56,513 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-02-17 22:48:56,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:56,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:56,515 INFO L229 MonitoredProcess]: Starting monitored process 63 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 22:48:56,516 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2025-02-17 22:48:56,517 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:56,517 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:56,534 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:48:56,534 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {q1=0} Honda state: {q1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:48:56,539 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2025-02-17 22:48:56,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:56,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:56,541 INFO L229 MonitoredProcess]: Starting monitored process 64 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 22:48:56,541 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2025-02-17 22:48:56,542 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:56,542 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:56,559 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:48:56,559 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {b=0} Honda state: {b=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:48:56,564 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2025-02-17 22:48:56,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:56,564 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:56,566 INFO L229 MonitoredProcess]: Starting monitored process 65 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 22:48:56,567 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2025-02-17 22:48:56,567 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:56,567 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:56,583 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2025-02-17 22:48:56,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:56,583 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:56,585 INFO L229 MonitoredProcess]: Starting monitored process 66 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 22:48:56,586 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2025-02-17 22:48:56,586 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-02-17 22:48:56,586 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:56,620 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-02-17 22:48:56,624 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2025-02-17 22:48:56,624 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:48:56,624 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:48:56,624 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:48:56,624 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:48:56,624 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-17 22:48:56,624 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:56,624 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:48:56,624 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:48:56,624 INFO L132 ssoRankerPreferences]: Filename of dumped script: multi.c.bpl_petrified1_Iteration9_Lasso [2025-02-17 22:48:56,624 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:48:56,624 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:48:56,625 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:56,627 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:56,629 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:56,633 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:56,638 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:56,640 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:56,644 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:56,647 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:56,649 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:56,653 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:56,656 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:56,657 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:56,731 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:48:56,732 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-17 22:48:56,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:56,732 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:56,733 INFO L229 MonitoredProcess]: Starting monitored process 67 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 22:48:56,734 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2025-02-17 22:48:56,735 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 22:48:56,745 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:48:56,745 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:48:56,745 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:48:56,745 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:48:56,747 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:48:56,747 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:48:56,749 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:48:56,754 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2025-02-17 22:48:56,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:56,754 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:56,756 INFO L229 MonitoredProcess]: Starting monitored process 68 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 22:48:56,756 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2025-02-17 22:48:56,757 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 22:48:56,767 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:48:56,767 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:48:56,767 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:48:56,767 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:48:56,768 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:48:56,768 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:48:56,770 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:48:56,775 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2025-02-17 22:48:56,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:56,776 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:56,777 INFO L229 MonitoredProcess]: Starting monitored process 69 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 22:48:56,778 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2025-02-17 22:48:56,779 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 22:48:56,788 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:48:56,788 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:48:56,788 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:48:56,788 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:48:56,790 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:48:56,790 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:48:56,793 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-17 22:48:56,797 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2025-02-17 22:48:56,798 INFO L444 ModelExtractionUtils]: 3 out of 10 variables were initially zero. Simplification set additionally 3 variables to zero. [2025-02-17 22:48:56,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:56,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:56,799 INFO L229 MonitoredProcess]: Starting monitored process 70 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 22:48:56,800 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2025-02-17 22:48:56,801 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-17 22:48:56,811 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2025-02-17 22:48:56,811 INFO L474 LassoAnalysis]: Proved termination. [2025-02-17 22:48:56,811 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(z) = -1*z Supporting invariants [-1*t - 1 >= 0] [2025-02-17 22:48:56,816 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2025-02-17 22:48:56,818 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2025-02-17 22:48:56,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:56,843 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-17 22:48:56,845 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-17 22:48:56,845 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:56,845 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:48:56,845 INFO L256 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-17 22:48:56,846 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:48:56,881 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:56,882 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:56,882 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:56,882 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:48:56,883 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-17 22:48:56,883 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:48:56,898 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 22:48:56,898 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2025-02-17 22:48:56,898 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 2378 states and 6321 transitions. cyclomatic complexity: 4209 Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 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 22:48:56,987 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2025-02-17 22:48:57,017 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 2378 states and 6321 transitions. cyclomatic complexity: 4209. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 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 7064 states and 19036 transitions. Complement of second has 10 states. [2025-02-17 22:48:57,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 2 stem states 2 non-accepting loop states 2 accepting loop states [2025-02-17 22:48:57,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 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 22:48:57,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 184 transitions. [2025-02-17 22:48:57,018 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 184 transitions. Stem has 8 letters. Loop has 3 letters. [2025-02-17 22:48:57,018 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:48:57,018 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 184 transitions. Stem has 11 letters. Loop has 3 letters. [2025-02-17 22:48:57,018 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:48:57,018 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 184 transitions. Stem has 8 letters. Loop has 6 letters. [2025-02-17 22:48:57,018 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:48:57,018 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 7064 states and 19036 transitions. [2025-02-17 22:48:57,053 INFO L131 ngComponentsAnalysis]: Automaton has 55 accepting balls. 183 [2025-02-17 22:48:57,078 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 7064 states to 4785 states and 12559 transitions. [2025-02-17 22:48:57,078 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1059 [2025-02-17 22:48:57,080 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1123 [2025-02-17 22:48:57,080 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4785 states and 12559 transitions. [2025-02-17 22:48:57,080 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-17 22:48:57,080 INFO L218 hiAutomatonCegarLoop]: Abstraction has 4785 states and 12559 transitions. [2025-02-17 22:48:57,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4785 states and 12559 transitions. [2025-02-17 22:48:57,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4785 to 2600. [2025-02-17 22:48:57,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2600 states, 2600 states have (on average 2.6923076923076925) internal successors, (7000), 2599 states have internal predecessors, (7000), 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 22:48:57,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2600 states to 2600 states and 7000 transitions. [2025-02-17 22:48:57,156 INFO L240 hiAutomatonCegarLoop]: Abstraction has 2600 states and 7000 transitions. [2025-02-17 22:48:57,156 INFO L432 stractBuchiCegarLoop]: Abstraction has 2600 states and 7000 transitions. [2025-02-17 22:48:57,156 INFO L338 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2025-02-17 22:48:57,156 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2600 states and 7000 transitions. [2025-02-17 22:48:57,162 INFO L131 ngComponentsAnalysis]: Automaton has 28 accepting balls. 96 [2025-02-17 22:48:57,162 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-17 22:48:57,162 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-17 22:48:57,162 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-02-17 22:48:57,162 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-02-17 22:48:57,163 INFO L752 eck$LassoCheckResult]: Stem: "[128] $Ultimate##0-->L26: Formula: (<= 0 v_b_6) InVars {b=v_b_6} OutVars{b=v_b_6} AuxVars[] AssignedVars[]" "[116] L26-->L20-1: Formula: (= (+ v_t_6 1) 0) InVars {} OutVars{t=v_t_6} AuxVars[] AssignedVars[t]" "[111] L20-1-->L29: Formula: (and (< 0 v_b1_4) (= v_q2_3 0) (< v_b2_4 v_a2_1) (= v_a2_1 v_r2_5) (= v_q1_3 0) (< 0 v_b2_4) (= v_a1_1 v_r1_5) (< v_b1_4 v_a1_1)) InVars {a1=v_a1_1, r2=v_r2_5, b2=v_b2_4, q1=v_q1_3, a2=v_a2_1, q2=v_q2_3, r1=v_r1_5, b1=v_b1_4} OutVars{a1=v_a1_1, r2=v_r2_5, b2=v_b2_4, q1=v_q1_3, a2=v_a2_1, q2=v_q2_3, r1=v_r1_5, b1=v_b1_4} AuxVars[] AssignedVars[]" "[166] L29-->L38: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0]" "[131] L38-->L42-2: Formula: (< v_x1_1 0) InVars {x1=v_x1_1} OutVars{x1=v_x1_1} AuxVars[] AssignedVars[]" "[135] L42-2-->L42: Formula: (< v_z_1 0) InVars {z=v_z_1} OutVars{z=v_z_1} AuxVars[] AssignedVars[]" "[140] L42-->L44: Formula: (< v_b_1 0) InVars {b=v_b_1} OutVars{b=v_b_1} AuxVars[] AssignedVars[]" "[144] L44-->L42-2: Formula: (= (+ v_z_3 v_t_1) v_z_2) InVars {t=v_t_1, z=v_z_3} OutVars{t=v_t_1, z=v_z_2} AuxVars[] AssignedVars[z]" [2025-02-17 22:48:57,163 INFO L754 eck$LassoCheckResult]: Loop: "[135] L42-2-->L42: Formula: (< v_z_1 0) InVars {z=v_z_1} OutVars{z=v_z_1} AuxVars[] AssignedVars[]" "[140] L42-->L44: Formula: (< v_b_1 0) InVars {b=v_b_1} OutVars{b=v_b_1} AuxVars[] AssignedVars[]" "[144] L44-->L42-2: Formula: (= (+ v_z_3 v_t_1) v_z_2) InVars {t=v_t_1, z=v_z_3} OutVars{t=v_t_1, z=v_z_2} AuxVars[] AssignedVars[z]" [2025-02-17 22:48:57,163 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:57,163 INFO L85 PathProgramCache]: Analyzing trace with hash 1140358004, now seen corresponding path program 1 times [2025-02-17 22:48:57,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:57,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342001836] [2025-02-17 22:48:57,163 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:57,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:57,165 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-17 22:48:57,165 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-17 22:48:57,166 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:57,166 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:48:57,175 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 22:48:57,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-17 22:48:57,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342001836] [2025-02-17 22:48:57,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342001836] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-17 22:48:57,175 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-17 22:48:57,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-17 22:48:57,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734362849] [2025-02-17 22:48:57,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-17 22:48:57,175 INFO L757 eck$LassoCheckResult]: stem already infeasible [2025-02-17 22:48:57,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:57,176 INFO L85 PathProgramCache]: Analyzing trace with hash 164010, now seen corresponding path program 2 times [2025-02-17 22:48:57,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:57,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390426952] [2025-02-17 22:48:57,176 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-17 22:48:57,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:57,177 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:57,177 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:57,177 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-17 22:48:57,177 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:57,178 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:57,178 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:57,178 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:57,178 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:57,178 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:57,180 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:57,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-17 22:48:57,192 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-17 22:48:57,192 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-17 22:48:57,193 INFO L87 Difference]: Start difference. First operand 2600 states and 7000 transitions. cyclomatic complexity: 4677 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 2 states have internal predecessors, (8), 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 22:48:57,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-17 22:48:57,216 INFO L93 Difference]: Finished difference Result 2592 states and 6849 transitions. [2025-02-17 22:48:57,216 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2592 states and 6849 transitions. [2025-02-17 22:48:57,227 INFO L131 ngComponentsAnalysis]: Automaton has 23 accepting balls. 69 [2025-02-17 22:48:57,244 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2592 states to 2107 states and 5411 transitions. [2025-02-17 22:48:57,245 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 446 [2025-02-17 22:48:57,245 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 449 [2025-02-17 22:48:57,245 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2107 states and 5411 transitions. [2025-02-17 22:48:57,245 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-17 22:48:57,245 INFO L218 hiAutomatonCegarLoop]: Abstraction has 2107 states and 5411 transitions. [2025-02-17 22:48:57,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2107 states and 5411 transitions. [2025-02-17 22:48:57,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2107 to 1717. [2025-02-17 22:48:57,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1717 states, 1717 states have (on average 2.5701805474665114) internal successors, (4413), 1716 states have internal predecessors, (4413), 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 22:48:57,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1717 states to 1717 states and 4413 transitions. [2025-02-17 22:48:57,275 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1717 states and 4413 transitions. [2025-02-17 22:48:57,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-17 22:48:57,276 INFO L432 stractBuchiCegarLoop]: Abstraction has 1717 states and 4413 transitions. [2025-02-17 22:48:57,276 INFO L338 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2025-02-17 22:48:57,276 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1717 states and 4413 transitions. [2025-02-17 22:48:57,281 INFO L131 ngComponentsAnalysis]: Automaton has 17 accepting balls. 51 [2025-02-17 22:48:57,281 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-17 22:48:57,281 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-17 22:48:57,282 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-02-17 22:48:57,282 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-02-17 22:48:57,283 INFO L752 eck$LassoCheckResult]: Stem: "[127] $Ultimate##0-->L22: Formula: (< v_b_5 0) InVars {b=v_b_5} OutVars{b=v_b_5} AuxVars[] AssignedVars[]" "[108] L22-->L20-1: Formula: (= v_t_5 1) InVars {} OutVars{t=v_t_5} AuxVars[] AssignedVars[t]" "[111] L20-1-->L29: Formula: (and (< 0 v_b1_4) (= v_q2_3 0) (< v_b2_4 v_a2_1) (= v_a2_1 v_r2_5) (= v_q1_3 0) (< 0 v_b2_4) (= v_a1_1 v_r1_5) (< v_b1_4 v_a1_1)) InVars {a1=v_a1_1, r2=v_r2_5, b2=v_b2_4, q1=v_q1_3, a2=v_a2_1, q2=v_q2_3, r1=v_r1_5, b1=v_b1_4} OutVars{a1=v_a1_1, r2=v_r2_5, b2=v_b2_4, q1=v_q1_3, a2=v_a2_1, q2=v_q2_3, r1=v_r1_5, b1=v_b1_4} AuxVars[] AssignedVars[]" "[166] L29-->L38: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0]" "[130] L38-->L53-1: Formula: (<= 0 v_x1_4) InVars {x1=v_x1_4} OutVars{x1=v_x1_4} AuxVars[] AssignedVars[]" "[133] L53-1-->L55: Formula: (< v_y1_1 0) InVars {y1=v_y1_1} OutVars{y1=v_y1_1} AuxVars[] AssignedVars[]" "[169] L29-1-->L67: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1]" "[148] L67-->L71-2: Formula: (< v_x2_1 0) InVars {x2=v_x2_1} OutVars{x2=v_x2_1} AuxVars[] AssignedVars[]" [2025-02-17 22:48:57,283 INFO L754 eck$LassoCheckResult]: Loop: "[152] L71-2-->L71: Formula: (< v_z_7 0) InVars {z=v_z_7} OutVars{z=v_z_7} AuxVars[] AssignedVars[]" "[157] L71-->L73: Formula: (< v_b_3 0) InVars {b=v_b_3} OutVars{b=v_b_3} AuxVars[] AssignedVars[]" "[161] L73-->L71-2: Formula: (= (+ v_z_9 v_t_3) v_z_8) InVars {t=v_t_3, z=v_z_9} OutVars{t=v_t_3, z=v_z_8} AuxVars[] AssignedVars[z]" [2025-02-17 22:48:57,283 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:57,283 INFO L85 PathProgramCache]: Analyzing trace with hash 887422003, now seen corresponding path program 1 times [2025-02-17 22:48:57,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:57,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875307923] [2025-02-17 22:48:57,284 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:57,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:57,285 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-17 22:48:57,286 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-17 22:48:57,286 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:57,286 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:57,286 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:57,287 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-17 22:48:57,291 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-17 22:48:57,291 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:57,291 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:57,292 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:57,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:57,293 INFO L85 PathProgramCache]: Analyzing trace with hash 180891, now seen corresponding path program 1 times [2025-02-17 22:48:57,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:57,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503508905] [2025-02-17 22:48:57,293 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:57,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:57,294 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:57,295 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:57,296 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:57,296 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:57,296 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:57,296 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:57,296 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:57,297 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:57,297 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:57,297 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:57,297 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:57,297 INFO L85 PathProgramCache]: Analyzing trace with hash 1665335593, now seen corresponding path program 1 times [2025-02-17 22:48:57,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:57,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710531725] [2025-02-17 22:48:57,297 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:57,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:57,299 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-02-17 22:48:57,304 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-02-17 22:48:57,304 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:57,304 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:57,304 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:57,305 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-02-17 22:48:57,306 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-02-17 22:48:57,306 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:57,306 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:57,307 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:57,409 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:48:57,409 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:48:57,409 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:48:57,409 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:48:57,409 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-02-17 22:48:57,409 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:57,409 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:48:57,409 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:48:57,409 INFO L132 ssoRankerPreferences]: Filename of dumped script: multi.c.bpl_petrified1_Iteration11_Lasso [2025-02-17 22:48:57,409 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:48:57,409 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:48:57,410 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:57,412 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:57,414 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:57,419 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:57,421 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:57,426 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:57,428 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:57,430 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:57,432 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:57,437 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:57,439 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:57,441 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:57,511 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:48:57,511 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-02-17 22:48:57,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:57,511 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:57,554 INFO L229 MonitoredProcess]: Starting monitored process 71 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 22:48:57,555 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2025-02-17 22:48:57,556 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:57,556 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:57,573 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:48:57,573 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {q2=0} Honda state: {q2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:48:57,579 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Ended with exit code 0 [2025-02-17 22:48:57,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:57,579 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:57,581 INFO L229 MonitoredProcess]: Starting monitored process 72 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 22:48:57,582 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2025-02-17 22:48:57,583 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:57,583 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:57,594 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:48:57,594 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 22:48:57,600 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Forceful destruction successful, exit code 0 [2025-02-17 22:48:57,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:57,600 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:57,602 INFO L229 MonitoredProcess]: Starting monitored process 73 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 22:48:57,603 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2025-02-17 22:48:57,604 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:57,604 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:57,623 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:48:57,623 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {b1=2, a1=3, r1=3} Honda state: {b1=2, a1=3, r1=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:48:57,629 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Forceful destruction successful, exit code 0 [2025-02-17 22:48:57,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:57,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:57,631 INFO L229 MonitoredProcess]: Starting monitored process 74 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 22:48:57,632 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2025-02-17 22:48:57,633 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:57,633 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:57,651 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:48:57,651 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {b=-1} Honda state: {b=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:48:57,657 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Forceful destruction successful, exit code 0 [2025-02-17 22:48:57,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:57,657 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:57,659 INFO L229 MonitoredProcess]: Starting monitored process 75 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 22:48:57,659 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2025-02-17 22:48:57,661 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:57,661 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:57,679 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:48:57,680 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {r2=6, b2=4, a2=6} Honda state: {r2=6, b2=4, a2=6} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:48:57,685 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Forceful destruction successful, exit code 0 [2025-02-17 22:48:57,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:57,685 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:57,687 INFO L229 MonitoredProcess]: Starting monitored process 76 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 22:48:57,687 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2025-02-17 22:48:57,690 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:57,690 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:57,701 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:48:57,701 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread2Thread1of1ForFork1_thidvar1=0} Honda state: {thread2Thread1of1ForFork1_thidvar1=2} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:48:57,707 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Forceful destruction successful, exit code 0 [2025-02-17 22:48:57,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:57,707 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:57,709 INFO L229 MonitoredProcess]: Starting monitored process 77 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 22:48:57,710 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2025-02-17 22:48:57,712 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:57,712 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:57,729 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:48:57,729 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {q1=0} Honda state: {q1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:48:57,735 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Forceful destruction successful, exit code 0 [2025-02-17 22:48:57,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:57,735 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:57,737 INFO L229 MonitoredProcess]: Starting monitored process 78 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 22:48:57,738 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2025-02-17 22:48:57,740 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:57,740 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:57,753 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:48:57,753 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 22:48:57,759 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Forceful destruction successful, exit code 0 [2025-02-17 22:48:57,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:57,759 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:57,761 INFO L229 MonitoredProcess]: Starting monitored process 79 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 22:48:57,762 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2025-02-17 22:48:57,764 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:57,764 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:57,781 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Forceful destruction successful, exit code 0 [2025-02-17 22:48:57,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:57,781 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:57,783 INFO L229 MonitoredProcess]: Starting monitored process 80 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 22:48:57,804 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-02-17 22:48:57,804 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:57,807 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2025-02-17 22:48:57,853 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-02-17 22:48:57,858 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Forceful destruction successful, exit code 0 [2025-02-17 22:48:57,858 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:48:57,858 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:48:57,858 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:48:57,858 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:48:57,858 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-17 22:48:57,858 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:57,858 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:48:57,858 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:48:57,858 INFO L132 ssoRankerPreferences]: Filename of dumped script: multi.c.bpl_petrified1_Iteration11_Lasso [2025-02-17 22:48:57,858 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:48:57,858 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:48:57,859 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:57,868 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:57,870 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:57,873 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:57,875 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:57,877 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:57,880 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:57,881 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:57,883 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:57,886 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:57,888 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:57,890 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:57,960 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:48:57,960 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-17 22:48:57,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:57,961 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:57,963 INFO L229 MonitoredProcess]: Starting monitored process 81 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 22:48:57,964 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2025-02-17 22:48:57,965 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 22:48:57,975 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:48:57,975 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:48:57,975 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:48:57,975 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:48:57,976 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:48:57,976 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:48:57,978 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:48:57,983 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Forceful destruction successful, exit code 0 [2025-02-17 22:48:57,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:57,983 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:57,985 INFO L229 MonitoredProcess]: Starting monitored process 82 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 22:48:57,985 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2025-02-17 22:48:57,986 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 22:48:57,996 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:48:57,996 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:48:57,996 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:48:57,996 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:48:57,997 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:48:57,997 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:48:57,999 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:48:58,004 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Forceful destruction successful, exit code 0 [2025-02-17 22:48:58,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:58,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:58,006 INFO L229 MonitoredProcess]: Starting monitored process 83 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 22:48:58,007 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2025-02-17 22:48:58,008 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 22:48:58,017 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:48:58,017 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:48:58,018 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:48:58,018 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:48:58,019 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:48:58,019 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:48:58,022 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:48:58,027 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Ended with exit code 0 [2025-02-17 22:48:58,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:58,027 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:58,029 INFO L229 MonitoredProcess]: Starting monitored process 84 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 22:48:58,030 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2025-02-17 22:48:58,031 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 22:48:58,040 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:48:58,041 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:48:58,041 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:48:58,041 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:48:58,045 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:48:58,045 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:48:58,047 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:48:58,053 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Forceful destruction successful, exit code 0 [2025-02-17 22:48:58,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:58,053 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:58,055 INFO L229 MonitoredProcess]: Starting monitored process 85 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 22:48:58,055 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2025-02-17 22:48:58,056 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 22:48:58,066 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:48:58,066 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:48:58,066 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:48:58,066 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:48:58,067 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:48:58,067 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:48:58,069 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:48:58,074 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Ended with exit code 0 [2025-02-17 22:48:58,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:58,074 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:58,077 INFO L229 MonitoredProcess]: Starting monitored process 86 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 22:48:58,078 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2025-02-17 22:48:58,079 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 22:48:58,089 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:48:58,089 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:48:58,089 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:48:58,089 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:48:58,094 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:48:58,094 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:48:58,101 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:48:58,106 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Forceful destruction successful, exit code 0 [2025-02-17 22:48:58,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:58,107 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:58,108 INFO L229 MonitoredProcess]: Starting monitored process 87 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 22:48:58,110 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2025-02-17 22:48:58,110 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 22:48:58,120 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:48:58,120 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:48:58,120 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:48:58,121 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:48:58,121 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:48:58,121 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:48:58,124 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:48:58,130 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Ended with exit code 0 [2025-02-17 22:48:58,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:58,130 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:58,132 INFO L229 MonitoredProcess]: Starting monitored process 88 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 22:48:58,133 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2025-02-17 22:48:58,134 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 22:48:58,144 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:48:58,144 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:48:58,144 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:48:58,144 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:48:58,145 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:48:58,145 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:48:58,147 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:48:58,154 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Forceful destruction successful, exit code 0 [2025-02-17 22:48:58,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:58,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:58,156 INFO L229 MonitoredProcess]: Starting monitored process 89 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 22:48:58,158 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2025-02-17 22:48:58,159 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 22:48:58,168 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:48:58,169 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:48:58,169 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:48:58,169 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:48:58,170 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:48:58,170 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:48:58,174 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-17 22:48:58,181 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2025-02-17 22:48:58,181 INFO L444 ModelExtractionUtils]: 2 out of 10 variables were initially zero. Simplification set additionally 4 variables to zero. [2025-02-17 22:48:58,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:58,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:58,183 INFO L229 MonitoredProcess]: Starting monitored process 90 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 22:48:58,184 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2025-02-17 22:48:58,185 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-17 22:48:58,196 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2025-02-17 22:48:58,197 INFO L474 LassoAnalysis]: Proved termination. [2025-02-17 22:48:58,197 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(z) = -1*z Supporting invariants [1*t - 1 >= 0] [2025-02-17 22:48:58,202 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Ended with exit code 0 [2025-02-17 22:48:58,204 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2025-02-17 22:48:58,216 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:58,222 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-17 22:48:58,224 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-17 22:48:58,224 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:58,224 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:48:58,225 INFO L256 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-17 22:48:58,225 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:48:58,263 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:58,264 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:58,264 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:58,264 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:48:58,264 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-17 22:48:58,264 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:48:58,278 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 22:48:58,279 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2025-02-17 22:48:58,279 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1717 states and 4413 transitions. cyclomatic complexity: 2884 Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 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 22:48:58,347 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1717 states and 4413 transitions. cyclomatic complexity: 2884. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 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 4268 states and 11191 transitions. Complement of second has 9 states. [2025-02-17 22:48:58,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 2 non-accepting loop states 2 accepting loop states [2025-02-17 22:48:58,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 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 22:48:58,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 137 transitions. [2025-02-17 22:48:58,348 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 137 transitions. Stem has 8 letters. Loop has 3 letters. [2025-02-17 22:48:58,348 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:48:58,348 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 137 transitions. Stem has 11 letters. Loop has 3 letters. [2025-02-17 22:48:58,348 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:48:58,348 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 137 transitions. Stem has 8 letters. Loop has 6 letters. [2025-02-17 22:48:58,348 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:48:58,348 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 4268 states and 11191 transitions. [2025-02-17 22:48:58,364 INFO L131 ngComponentsAnalysis]: Automaton has 31 accepting balls. 93 [2025-02-17 22:48:58,378 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 4268 states to 3119 states and 7893 transitions. [2025-02-17 22:48:58,378 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 650 [2025-02-17 22:48:58,379 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 657 [2025-02-17 22:48:58,379 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3119 states and 7893 transitions. [2025-02-17 22:48:58,379 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-17 22:48:58,379 INFO L218 hiAutomatonCegarLoop]: Abstraction has 3119 states and 7893 transitions. [2025-02-17 22:48:58,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3119 states and 7893 transitions. [2025-02-17 22:48:58,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3119 to 1659. [2025-02-17 22:48:58,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1659 states, 1659 states have (on average 2.561181434599156) internal successors, (4249), 1658 states have internal predecessors, (4249), 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 22:48:58,435 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Forceful destruction successful, exit code 0 [2025-02-17 22:48:58,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1659 states to 1659 states and 4249 transitions. [2025-02-17 22:48:58,438 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1659 states and 4249 transitions. [2025-02-17 22:48:58,438 INFO L432 stractBuchiCegarLoop]: Abstraction has 1659 states and 4249 transitions. [2025-02-17 22:48:58,438 INFO L338 stractBuchiCegarLoop]: ======== Iteration 12 ============ [2025-02-17 22:48:58,438 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1659 states and 4249 transitions. [2025-02-17 22:48:58,441 INFO L131 ngComponentsAnalysis]: Automaton has 10 accepting balls. 30 [2025-02-17 22:48:58,441 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-17 22:48:58,441 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-17 22:48:58,442 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-17 22:48:58,442 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-02-17 22:48:58,442 INFO L752 eck$LassoCheckResult]: Stem: "[128] $Ultimate##0-->L26: Formula: (<= 0 v_b_6) InVars {b=v_b_6} OutVars{b=v_b_6} AuxVars[] AssignedVars[]" "[116] L26-->L20-1: Formula: (= (+ v_t_6 1) 0) InVars {} OutVars{t=v_t_6} AuxVars[] AssignedVars[t]" "[111] L20-1-->L29: Formula: (and (< 0 v_b1_4) (= v_q2_3 0) (< v_b2_4 v_a2_1) (= v_a2_1 v_r2_5) (= v_q1_3 0) (< 0 v_b2_4) (= v_a1_1 v_r1_5) (< v_b1_4 v_a1_1)) InVars {a1=v_a1_1, r2=v_r2_5, b2=v_b2_4, q1=v_q1_3, a2=v_a2_1, q2=v_q2_3, r1=v_r1_5, b1=v_b1_4} OutVars{a1=v_a1_1, r2=v_r2_5, b2=v_b2_4, q1=v_q1_3, a2=v_a2_1, q2=v_q2_3, r1=v_r1_5, b1=v_b1_4} AuxVars[] AssignedVars[]" "[166] L29-->L38: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0]" "[130] L38-->L53-1: Formula: (<= 0 v_x1_4) InVars {x1=v_x1_4} OutVars{x1=v_x1_4} AuxVars[] AssignedVars[]" "[133] L53-1-->L55: Formula: (< v_y1_1 0) InVars {y1=v_y1_1} OutVars{y1=v_y1_1} AuxVars[] AssignedVars[]" "[169] L29-1-->L67: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1]" "[147] L67-->L82-1: Formula: (<= 0 v_x2_4) InVars {x2=v_x2_4} OutVars{x2=v_x2_4} AuxVars[] AssignedVars[]" "[149] L82-1-->L86-1: Formula: (<= 0 v_y2_4) InVars {y2=v_y2_4} OutVars{y2=v_y2_4} AuxVars[] AssignedVars[]" [2025-02-17 22:48:58,442 INFO L754 eck$LassoCheckResult]: Loop: "[154] L86-1-->L88: Formula: (<= v_b2_1 v_r2_1) InVars {r2=v_r2_1, b2=v_b2_1} OutVars{r2=v_r2_1, b2=v_b2_1} AuxVars[] AssignedVars[]" "[160] L88-->L89: Formula: (= v_q2_1 (+ v_q2_2 1)) InVars {q2=v_q2_2} OutVars{q2=v_q2_1} AuxVars[] AssignedVars[q2]" "[163] L89-->L86-1: Formula: (= v_r2_3 (+ v_b2_2 v_r2_2)) InVars {r2=v_r2_3, b2=v_b2_2} OutVars{r2=v_r2_2, b2=v_b2_2} AuxVars[] AssignedVars[r2]" [2025-02-17 22:48:58,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:58,443 INFO L85 PathProgramCache]: Analyzing trace with hash 990404764, now seen corresponding path program 1 times [2025-02-17 22:48:58,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:58,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425286707] [2025-02-17 22:48:58,443 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:58,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:58,445 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-02-17 22:48:58,446 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-02-17 22:48:58,446 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:58,446 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:58,446 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:58,447 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-02-17 22:48:58,448 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-02-17 22:48:58,448 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:58,448 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:58,451 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:58,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:58,451 INFO L85 PathProgramCache]: Analyzing trace with hash 182908, now seen corresponding path program 1 times [2025-02-17 22:48:58,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:58,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028597506] [2025-02-17 22:48:58,451 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:58,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:58,454 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:58,454 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:58,455 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:58,455 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:58,455 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:58,455 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:58,455 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:58,455 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:58,455 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:58,456 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:58,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:58,456 INFO L85 PathProgramCache]: Analyzing trace with hash -1276846079, now seen corresponding path program 1 times [2025-02-17 22:48:58,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:58,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12947438] [2025-02-17 22:48:58,456 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:58,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:58,459 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-02-17 22:48:58,460 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-02-17 22:48:58,460 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:58,461 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:58,461 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:58,461 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-02-17 22:48:58,462 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-02-17 22:48:58,462 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:58,462 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:58,463 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:58,476 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:48:58,476 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:48:58,476 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:48:58,476 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:48:58,476 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-02-17 22:48:58,476 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:58,476 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:48:58,476 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:48:58,476 INFO L132 ssoRankerPreferences]: Filename of dumped script: multi.c.bpl_petrified1_Iteration12_Loop [2025-02-17 22:48:58,476 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:48:58,476 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:48:58,477 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:58,481 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:58,497 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:48:58,497 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-02-17 22:48:58,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:58,498 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:58,499 INFO L229 MonitoredProcess]: Starting monitored process 91 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 22:48:58,501 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2025-02-17 22:48:58,502 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:58,502 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:58,519 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:48:58,520 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {b2=0, r2=0} Honda state: {b2=0, r2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:48:58,529 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Ended with exit code 0 [2025-02-17 22:48:58,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:58,529 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:58,531 INFO L229 MonitoredProcess]: Starting monitored process 92 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 22:48:58,531 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2025-02-17 22:48:58,534 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:58,534 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:58,551 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Forceful destruction successful, exit code 0 [2025-02-17 22:48:58,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:58,552 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:58,553 INFO L229 MonitoredProcess]: Starting monitored process 93 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 22:48:58,555 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2025-02-17 22:48:58,556 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-02-17 22:48:58,557 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:58,581 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:48:58,581 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {q2=0} Honda state: {q2=0} Generalized eigenvectors: [{q2=-1}, {q2=7}, {q2=-5}] Lambdas: [8, 1, 1] Nus: [1, 0] [2025-02-17 22:48:58,587 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Forceful destruction successful, exit code 0 [2025-02-17 22:48:58,670 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:48:58,670 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:48:58,670 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:48:58,670 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:48:58,670 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-02-17 22:48:58,670 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:58,670 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:48:58,670 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:48:58,670 INFO L132 ssoRankerPreferences]: Filename of dumped script: multi.c.bpl_petrified1_Iteration12_Lasso [2025-02-17 22:48:58,670 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:48:58,670 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:48:58,671 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:58,673 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:58,675 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:58,677 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:58,681 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:58,683 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:58,685 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:58,691 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:58,694 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:58,695 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:58,697 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:58,699 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:58,702 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:58,779 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:48:58,779 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-02-17 22:48:58,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:58,779 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:58,781 INFO L229 MonitoredProcess]: Starting monitored process 94 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 22:48:58,782 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2025-02-17 22:48:58,783 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:58,783 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:58,801 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:48:58,801 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {b=0} Honda state: {b=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:48:58,807 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Forceful destruction successful, exit code 0 [2025-02-17 22:48:58,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:58,807 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:58,809 INFO L229 MonitoredProcess]: Starting monitored process 95 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 22:48:58,810 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2025-02-17 22:48:58,811 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:58,811 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:58,829 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:48:58,829 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {t=0} Honda state: {t=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:48:58,834 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Ended with exit code 0 [2025-02-17 22:48:58,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:58,835 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:58,837 INFO L229 MonitoredProcess]: Starting monitored process 96 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 22:48:58,837 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2025-02-17 22:48:58,839 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:58,839 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:58,856 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:48:58,856 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {y1=-1} Honda state: {y1=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:48:58,862 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Forceful destruction successful, exit code 0 [2025-02-17 22:48:58,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:58,862 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:58,864 INFO L229 MonitoredProcess]: Starting monitored process 97 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 22:48:58,864 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2025-02-17 22:48:58,865 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:58,865 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:58,883 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:48:58,883 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {r1=3, b1=2, a1=3} Honda state: {r1=3, b1=2, a1=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:48:58,889 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Forceful destruction successful, exit code 0 [2025-02-17 22:48:58,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:58,889 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:58,890 INFO L229 MonitoredProcess]: Starting monitored process 98 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 22:48:58,891 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Waiting until timeout for monitored process [2025-02-17 22:48:58,892 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:58,892 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:58,909 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:48:58,909 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {q1=0} Honda state: {q1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:48:58,914 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Ended with exit code 0 [2025-02-17 22:48:58,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:58,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:58,916 INFO L229 MonitoredProcess]: Starting monitored process 99 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 (99)] 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 22:48:58,929 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:48:58,929 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 22:48:58,934 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Forceful destruction successful, exit code 0 [2025-02-17 22:48:58,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:58,935 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:58,936 INFO L229 MonitoredProcess]: Starting monitored process 100 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 22:48:58,937 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Waiting until timeout for monitored process [2025-02-17 22:48:58,938 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:58,938 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:58,962 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Ended with exit code 0 [2025-02-17 22:48:58,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:58,962 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:58,964 INFO L229 MonitoredProcess]: Starting monitored process 101 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 22:48:58,964 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Waiting until timeout for monitored process [2025-02-17 22:48:58,966 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-02-17 22:48:58,966 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:59,065 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-02-17 22:48:59,070 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Forceful destruction successful, exit code 0 [2025-02-17 22:48:59,070 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:48:59,070 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:48:59,070 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:48:59,070 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:48:59,070 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-17 22:48:59,070 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:59,070 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:48:59,070 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:48:59,070 INFO L132 ssoRankerPreferences]: Filename of dumped script: multi.c.bpl_petrified1_Iteration12_Lasso [2025-02-17 22:48:59,070 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:48:59,070 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:48:59,071 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:59,073 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:59,075 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:59,077 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:59,085 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:59,087 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:59,093 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:59,094 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:59,098 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:59,099 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:59,105 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:59,107 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:59,108 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:59,174 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:48:59,174 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-17 22:48:59,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:59,175 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:59,176 INFO L229 MonitoredProcess]: Starting monitored process 102 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 22:48:59,177 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Waiting until timeout for monitored process [2025-02-17 22:48:59,178 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 22:48:59,187 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:48:59,188 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:48:59,188 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:48:59,188 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:48:59,188 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:48:59,188 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:48:59,190 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:48:59,195 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Ended with exit code 0 [2025-02-17 22:48:59,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:59,196 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:59,197 INFO L229 MonitoredProcess]: Starting monitored process 103 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 22:48:59,198 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Waiting until timeout for monitored process [2025-02-17 22:48:59,199 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 22:48:59,208 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:48:59,208 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:48:59,208 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:48:59,208 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:48:59,209 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:48:59,209 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:48:59,212 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:48:59,217 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Ended with exit code 0 [2025-02-17 22:48:59,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:59,217 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:59,218 INFO L229 MonitoredProcess]: Starting monitored process 104 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 22:48:59,219 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Waiting until timeout for monitored process [2025-02-17 22:48:59,220 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 22:48:59,230 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:48:59,230 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:48:59,230 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:48:59,230 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:48:59,231 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:48:59,231 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:48:59,233 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:48:59,242 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Forceful destruction successful, exit code 0 [2025-02-17 22:48:59,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:59,242 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 105 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 22:48:59,244 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] 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 22:48:59,257 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:48:59,257 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:48:59,260 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:48:59,266 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Ended with exit code 0 [2025-02-17 22:48:59,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:59,267 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:59,269 INFO L229 MonitoredProcess]: Starting monitored process 106 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 22:48:59,269 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Waiting until timeout for monitored process [2025-02-17 22:48:59,270 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 22:48:59,280 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:48:59,280 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:48:59,280 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:48:59,280 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:48:59,281 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:48:59,281 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:48:59,283 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:48:59,288 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Ended with exit code 0 [2025-02-17 22:48:59,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:59,289 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:59,290 INFO L229 MonitoredProcess]: Starting monitored process 107 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 22:48:59,291 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Waiting until timeout for monitored process [2025-02-17 22:48:59,292 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-17 22:48:59,302 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:48:59,302 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:48:59,302 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:48:59,302 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:48:59,304 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:48:59,304 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:48:59,308 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-17 22:48:59,316 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2025-02-17 22:48:59,316 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 4 variables to zero. [2025-02-17 22:48:59,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:59,316 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:59,318 INFO L229 MonitoredProcess]: Starting monitored process 108 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 22:48:59,319 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Waiting until timeout for monitored process [2025-02-17 22:48:59,321 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-17 22:48:59,331 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2025-02-17 22:48:59,332 INFO L474 LassoAnalysis]: Proved termination. [2025-02-17 22:48:59,332 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(r2) = 1*r2 Supporting invariants [1*b2 - 1 >= 0] [2025-02-17 22:48:59,337 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Ended with exit code 0 [2025-02-17 22:48:59,339 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2025-02-17 22:48:59,352 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:59,357 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-02-17 22:48:59,360 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-02-17 22:48:59,361 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:59,361 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:48:59,361 INFO L256 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-17 22:48:59,361 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:48:59,400 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 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 3 of 3 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 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-17 22:48:59,401 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:48:59,436 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 22:48:59,436 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2025-02-17 22:48:59,437 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1659 states and 4249 transitions. cyclomatic complexity: 2762 Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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 22:48:59,448 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Ended with exit code 0 [2025-02-17 22:48:59,474 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1659 states and 4249 transitions. cyclomatic complexity: 2762. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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 1967 states and 4951 transitions. Complement of second has 7 states. [2025-02-17 22:48:59,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2025-02-17 22:48:59,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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 22:48:59,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 89 transitions. [2025-02-17 22:48:59,475 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 89 transitions. Stem has 9 letters. Loop has 3 letters. [2025-02-17 22:48:59,475 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:48:59,475 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 89 transitions. Stem has 12 letters. Loop has 3 letters. [2025-02-17 22:48:59,475 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:48:59,475 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 89 transitions. Stem has 9 letters. Loop has 6 letters. [2025-02-17 22:48:59,475 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:48:59,475 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1967 states and 4951 transitions. [2025-02-17 22:48:59,482 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-02-17 22:48:59,482 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1967 states to 0 states and 0 transitions. [2025-02-17 22:48:59,482 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2025-02-17 22:48:59,482 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2025-02-17 22:48:59,482 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2025-02-17 22:48:59,482 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-17 22:48:59,482 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-17 22:48:59,482 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-17 22:48:59,482 INFO L432 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-17 22:48:59,482 INFO L338 stractBuchiCegarLoop]: ======== Iteration 13 ============ [2025-02-17 22:48:59,482 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2025-02-17 22:48:59,482 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-02-17 22:48:59,482 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2025-02-17 22:48:59,488 INFO L201 PluginConnector]: Adding new model multi.c.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 17.02 10:48:59 BoogieIcfgContainer [2025-02-17 22:48:59,488 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-02-17 22:48:59,489 INFO L158 Benchmark]: Toolchain (without parser) took 8740.57ms. Allocated memory was 167.8MB in the beginning and 209.7MB in the end (delta: 41.9MB). Free memory was 96.6MB in the beginning and 93.0MB in the end (delta: 3.6MB). Peak memory consumption was 44.6MB. Max. memory is 8.0GB. [2025-02-17 22:48:59,490 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.14ms. Allocated memory is still 167.8MB. Free memory is still 97.6MB. There was no memory consumed. Max. memory is 8.0GB. [2025-02-17 22:48:59,491 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.91ms. Allocated memory is still 167.8MB. Free memory was 96.5MB in the beginning and 95.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 8.0GB. [2025-02-17 22:48:59,491 INFO L158 Benchmark]: Boogie Preprocessor took 17.05ms. Allocated memory is still 167.8MB. Free memory was 95.3MB in the beginning and 94.5MB in the end (delta: 729.1kB). There was no memory consumed. Max. memory is 8.0GB. [2025-02-17 22:48:59,491 INFO L158 Benchmark]: RCFGBuilder took 185.13ms. Allocated memory is still 167.8MB. Free memory was 94.4MB in the beginning and 84.3MB in the end (delta: 10.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2025-02-17 22:48:59,492 INFO L158 Benchmark]: BuchiAutomizer took 8515.22ms. Allocated memory was 167.8MB in the beginning and 209.7MB in the end (delta: 41.9MB). Free memory was 84.2MB in the beginning and 93.0MB in the end (delta: -8.8MB). Peak memory consumption was 32.1MB. Max. memory is 8.0GB. [2025-02-17 22:48:59,493 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 167.8MB. Free memory is still 97.6MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 19.91ms. Allocated memory is still 167.8MB. Free memory was 96.5MB in the beginning and 95.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 17.05ms. Allocated memory is still 167.8MB. Free memory was 95.3MB in the beginning and 94.5MB in the end (delta: 729.1kB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 185.13ms. Allocated memory is still 167.8MB. Free memory was 94.4MB in the beginning and 84.3MB in the end (delta: 10.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * BuchiAutomizer took 8515.22ms. Allocated memory was 167.8MB in the beginning and 209.7MB in the end (delta: 41.9MB). Free memory was 84.2MB in the beginning and 93.0MB in the end (delta: -8.8MB). Peak memory consumption was 32.1MB. 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 12 terminating modules (2 trivial, 10 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * x1 and consists of 4 locations. One deterministic module has affine ranking function -1 * y1 and consists of 4 locations. One deterministic module has affine ranking function -1 * z and consists of 7 locations. One deterministic module has affine ranking function -1 * z and consists of 7 locations. One deterministic module has affine ranking function 2 * r1 + -2 * b1 + 1 and consists of 5 locations. One deterministic module has affine ranking function -1 * x2 and consists of 4 locations. One deterministic module has affine ranking function -1 * y2 and consists of 4 locations. One deterministic module has affine ranking function -1 * z and consists of 7 locations. One deterministic module has affine ranking function -1 * z and consists of 6 locations. One deterministic module has affine ranking function r2 and consists of 5 locations. 2 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 8.4s and 13 iterations. TraceHistogramMax:1. Analysis of lassos took 5.8s. Construction of modules took 0.2s. Büchi inclusion checks took 1.3s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 11. Automata minimization 0.4s AutomataMinimizationTime, 11 MinimizatonAttempts, 5425 StatesRemovedByMinimization, 11 NontrivialMinimizations. Non-live state removal took 0.3s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [10, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1061 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1057 mSDsluCounter, 1633 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 814 mSDsCounter, 52 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 314 IncrementalHoareTripleChecker+Invalid, 366 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 52 mSolverCounterUnsat, 819 mSDtfsCounter, 314 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT4 conc1 concLT0 SILN1 SILU0 SILI0 SILT0 lasso6 LassoPreprocessingBenchmarks: Lassos: inital42 mio100 ax100 hnf100 lsp52 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq158 hnf94 smp100 dnf100 smp100 tf105 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 23ms VariablesStem: 3 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 33 LassoNonterminationAnalysisSatUnbounded: 3 LassoNonterminationAnalysisUnsat: 10 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 1.7s InitialAbstractionConstructionTime: 0.2s InitialAbstraction: Time to compute Ample Reduction [ms]: 298, Trivial Ample Sets caused by loops: 210, Number of non-trivial ample sets: 147, Number of pruned transitions: 59, Number of transitions in reduction automaton: 447, Number of states in reduction automaton: 201, Underlying: - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2025-02-17 22:48:59,503 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...