/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/adfg_2_x_n_indep.c.bpl -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.ample-buchi-601be74-m [2025-02-17 22:48:34,342 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-17 22:48:34,396 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/buchiAutomizer/concurrent-automaton-noLbe.epf [2025-02-17 22:48:34,401 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-17 22:48:34,401 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-17 22:48:34,420 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-17 22:48:34,421 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-17 22:48:34,421 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-17 22:48:34,421 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-17 22:48:34,421 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-17 22:48:34,421 INFO L153 SettingsManager]: * Use SBE=true [2025-02-17 22:48:34,422 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-02-17 22:48:34,422 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-02-17 22:48:34,422 INFO L153 SettingsManager]: * Use old map elimination=false [2025-02-17 22:48:34,423 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-02-17 22:48:34,423 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-02-17 22:48:34,423 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-02-17 22:48:34,423 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-17 22:48:34,423 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-02-17 22:48:34,423 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-17 22:48:34,423 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-17 22:48:34,423 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-17 22:48:34,423 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-17 22:48:34,423 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-02-17 22:48:34,423 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-02-17 22:48:34,424 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-02-17 22:48:34,424 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-17 22:48:34,424 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-17 22:48:34,424 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-17 22:48:34,424 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-02-17 22:48:34,424 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-17 22:48:34,424 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-02-17 22:48:34,424 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-17 22:48:34,424 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-17 22:48:34,424 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-17 22:48:34,424 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-02-17 22:48:34,424 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 22:48:34,670 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-17 22:48:34,679 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-17 22:48:34,683 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-17 22:48:34,684 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2025-02-17 22:48:34,685 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2025-02-17 22:48:34,686 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/cav23-termute-examples/2_thr/adfg_2_x_n_indep.c.bpl [2025-02-17 22:48:34,686 INFO L110 BoogieParser]: Parsing: '/storage/cav23-termute-examples/2_thr/adfg_2_x_n_indep.c.bpl' [2025-02-17 22:48:34,702 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-17 22:48:34,704 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2025-02-17 22:48:34,705 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-17 22:48:34,705 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-17 22:48:34,705 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-17 22:48:34,712 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "adfg_2_x_n_indep.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:48:34" (1/1) ... [2025-02-17 22:48:34,716 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "adfg_2_x_n_indep.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:48:34" (1/1) ... [2025-02-17 22:48:34,722 INFO L138 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2025-02-17 22:48:34,723 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-17 22:48:34,724 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-17 22:48:34,724 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-17 22:48:34,724 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-17 22:48:34,729 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "adfg_2_x_n_indep.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:48:34" (1/1) ... [2025-02-17 22:48:34,729 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "adfg_2_x_n_indep.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:48:34" (1/1) ... [2025-02-17 22:48:34,730 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "adfg_2_x_n_indep.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:48:34" (1/1) ... [2025-02-17 22:48:34,730 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "adfg_2_x_n_indep.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:48:34" (1/1) ... [2025-02-17 22:48:34,732 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "adfg_2_x_n_indep.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:48:34" (1/1) ... [2025-02-17 22:48:34,733 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "adfg_2_x_n_indep.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:48:34" (1/1) ... [2025-02-17 22:48:34,735 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "adfg_2_x_n_indep.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:48:34" (1/1) ... [2025-02-17 22:48:34,736 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "adfg_2_x_n_indep.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:48:34" (1/1) ... [2025-02-17 22:48:34,736 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "adfg_2_x_n_indep.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:48:34" (1/1) ... [2025-02-17 22:48:34,737 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-17 22:48:34,738 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-02-17 22:48:34,738 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-02-17 22:48:34,738 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-02-17 22:48:34,739 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "adfg_2_x_n_indep.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:48:34" (1/1) ... [2025-02-17 22:48:34,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:34,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:34,768 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 22:48:34,770 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 22:48:34,792 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2025-02-17 22:48:34,793 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-02-17 22:48:34,793 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-02-17 22:48:34,793 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2025-02-17 22:48:34,793 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-02-17 22:48:34,793 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-02-17 22:48:34,793 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2025-02-17 22:48:34,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-17 22:48:34,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-17 22:48:34,794 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 22:48:34,829 INFO L234 CfgBuilder]: Building ICFG [2025-02-17 22:48:34,831 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-17 22:48:34,896 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-17 22:48:34,896 INFO L283 CfgBuilder]: Performing block encoding [2025-02-17 22:48:34,904 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-17 22:48:34,904 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-17 22:48:34,905 INFO L201 PluginConnector]: Adding new model adfg_2_x_n_indep.c.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 10:48:34 BoogieIcfgContainer [2025-02-17 22:48:34,905 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-02-17 22:48:34,905 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-02-17 22:48:34,905 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-02-17 22:48:34,909 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-02-17 22:48:34,909 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-17 22:48:34,910 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "adfg_2_x_n_indep.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:48:34" (1/2) ... [2025-02-17 22:48:34,910 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4fa68942 and model type adfg_2_x_n_indep.c.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.02 10:48:34, skipping insertion in model container [2025-02-17 22:48:34,911 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-17 22:48:34,911 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "adfg_2_x_n_indep.c.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 10:48:34" (2/2) ... [2025-02-17 22:48:34,912 INFO L363 chiAutomizerObserver]: Analyzing ICFG adfg_2_x_n_indep.c.bpl [2025-02-17 22:48:34,965 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-02-17 22:48:35,014 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 30 places, 31 transitions, 76 flow [2025-02-17 22:48:35,034 INFO L124 PetriNetUnfolderBase]: 6/27 cut-off events. [2025-02-17 22:48:35,036 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-02-17 22:48:35,039 INFO L83 FinitePrefix]: Finished finitePrefix Result has 36 conditions, 27 events. 6/27 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 47 event pairs, 0 based on Foata normal form. 0/21 useless extension candidates. Maximal degree in co-relation 25. Up to 4 conditions per place. [2025-02-17 22:48:35,039 INFO L82 GeneralOperation]: Start removeDead. Operand has 30 places, 31 transitions, 76 flow [2025-02-17 22:48:35,042 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 28 places, 27 transitions, 66 flow [2025-02-17 22:48:35,047 WARN L98 AmpleReduction]: Starting ample reduction [2025-02-17 22:48:35,352 INFO L100 AmpleReduction]: Finished ample reduction [2025-02-17 22:48:35,353 INFO L101 AmpleReduction]: Number of pruned transitions: 35, Number of non-trivial ample sets: 64 [2025-02-17 22:48:35,353 INFO L103 AmpleReduction]: Number of trivial ample sets caused by loops: 52 [2025-02-17 22:48:35,359 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-02-17 22:48:35,359 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-02-17 22:48:35,359 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-02-17 22:48:35,359 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-02-17 22:48:35,359 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-02-17 22:48:35,359 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-02-17 22:48:35,359 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-02-17 22:48:35,359 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-02-17 22:48:35,363 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 85 states, 84 states have (on average 1.9047619047619047) internal successors, (160), 84 states have internal predecessors, (160), 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 22:48:35,378 INFO L131 ngComponentsAnalysis]: Automaton has 11 accepting balls. 56 [2025-02-17 22:48:35,379 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-17 22:48:35,379 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-17 22:48:35,386 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2025-02-17 22:48:35,386 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-02-17 22:48:35,386 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-02-17 22:48:35,388 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 85 states, 84 states have (on average 1.9047619047619047) internal successors, (160), 84 states have internal predecessors, (160), 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 22:48:35,394 INFO L131 ngComponentsAnalysis]: Automaton has 11 accepting balls. 56 [2025-02-17 22:48:35,394 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-17 22:48:35,394 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-17 22:48:35,395 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2025-02-17 22:48:35,395 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-02-17 22:48:35,401 INFO L752 eck$LassoCheckResult]: Stem: "[100] $Ultimate##0-->$Ultimate##0: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0]" "[76] $Ultimate##0-->L25: Formula: (<= 1 v_b_2) InVars {b=v_b_2} OutVars{b=v_b_2} AuxVars[] AssignedVars[]" "[78] L25-->L33-2: Formula: (= v_t_2 1) InVars {} OutVars{t=v_t_2} AuxVars[] AssignedVars[t]" [2025-02-17 22:48:35,401 INFO L754 eck$LassoCheckResult]: Loop: "[81] L33-2-->L33: Formula: (<= v_x1_4 v_n1_2) InVars {x1=v_x1_4, n1=v_n1_2} OutVars{x1=v_x1_4, n1=v_n1_2} AuxVars[] AssignedVars[]" "[83] L33-->L35: Formula: (<= 1 v_b_4) InVars {b=v_b_4} OutVars{b=v_b_4} AuxVars[] AssignedVars[]" "[85] L35-->L33-2: Formula: (= v_x1_5 (+ v_x1_6 v_t_4)) InVars {x1=v_x1_6, t=v_t_4} OutVars{x1=v_x1_5, t=v_t_4} AuxVars[] AssignedVars[x1]" [2025-02-17 22:48:35,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:35,405 INFO L85 PathProgramCache]: Analyzing trace with hash 128325, now seen corresponding path program 1 times [2025-02-17 22:48:35,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:35,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242976383] [2025-02-17 22:48:35,411 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:35,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:35,460 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:35,466 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:35,466 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:35,466 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:35,467 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:35,468 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:35,470 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:35,470 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:35,470 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:35,481 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:35,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:35,483 INFO L85 PathProgramCache]: Analyzing trace with hash 110290, now seen corresponding path program 1 times [2025-02-17 22:48:35,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:35,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033323456] [2025-02-17 22:48:35,484 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:35,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:35,486 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:35,488 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:35,488 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:35,489 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:35,489 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:35,490 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:35,491 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:35,491 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:35,491 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:35,492 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:35,493 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:35,493 INFO L85 PathProgramCache]: Analyzing trace with hash -471956722, now seen corresponding path program 1 times [2025-02-17 22:48:35,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:35,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450767056] [2025-02-17 22:48:35,493 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:35,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:35,497 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-17 22:48:35,500 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-17 22:48:35,500 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:35,500 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:35,500 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:35,501 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-17 22:48:35,503 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-17 22:48:35,503 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:35,503 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:35,504 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:35,574 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:48:35,575 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:48:35,575 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:48:35,575 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:48:35,575 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-02-17 22:48:35,576 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:35,576 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:48:35,576 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:48:35,576 INFO L132 ssoRankerPreferences]: Filename of dumped script: adfg_2_x_n_indep.c.bpl_petrified1_Iteration1_Lasso [2025-02-17 22:48:35,576 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:48:35,576 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:48:35,595 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:35,604 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:35,609 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:35,667 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:48:35,667 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-02-17 22:48:35,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:35,669 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:35,672 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 22:48:35,675 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 22:48:35,676 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:35,676 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:35,698 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:48:35,698 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {b=1} Honda state: {b=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:48:35,706 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 22:48:35,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:35,707 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:35,708 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 22:48:35,713 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 22:48:35,714 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:35,714 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:35,730 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:48:35,730 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 22:48:35,736 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 22:48:35,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:35,736 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:35,738 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 22:48:35,739 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 22:48:35,740 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:35,740 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:35,764 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 22:48:35,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:35,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:35,767 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 22:48:35,768 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 22:48:35,770 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-02-17 22:48:35,770 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:35,938 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-02-17 22:48:35,960 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2025-02-17 22:48:35,960 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:48:35,960 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:48:35,960 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:48:35,960 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:48:35,960 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-17 22:48:35,960 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:35,960 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:48:35,961 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:48:35,961 INFO L132 ssoRankerPreferences]: Filename of dumped script: adfg_2_x_n_indep.c.bpl_petrified1_Iteration1_Lasso [2025-02-17 22:48:35,961 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:48:35,961 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:48:35,961 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:35,967 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:35,969 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:36,008 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:48:36,011 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-17 22:48:36,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:36,012 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:36,016 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 22:48:36,018 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 22:48:36,019 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 22:48:36,030 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:48:36,031 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:48:36,031 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:48:36,031 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:48:36,037 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:48:36,037 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:48:36,042 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:48:36,048 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 22:48:36,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:36,049 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:36,051 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 22:48:36,052 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 22:48:36,054 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 22:48:36,064 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:48:36,064 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:48:36,064 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:48:36,064 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:48:36,066 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:48:36,066 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:48:36,070 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:48:36,076 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 22:48:36,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:36,076 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:36,078 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 22:48:36,080 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 22:48:36,081 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 22:48:36,092 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:48:36,092 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:48:36,092 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:48:36,092 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:48:36,095 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:48:36,095 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:48:36,100 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-17 22:48:36,106 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2025-02-17 22:48:36,106 INFO L444 ModelExtractionUtils]: 6 out of 13 variables were initially zero. Simplification set additionally 1 variables to zero. [2025-02-17 22:48:36,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:36,114 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:36,121 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 22:48:36,124 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 22:48:36,125 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-17 22:48:36,150 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2025-02-17 22:48:36,150 INFO L474 LassoAnalysis]: Proved termination. [2025-02-17 22:48:36,151 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(x1, n1) = -2*x1 + 2*n1 + 1 Supporting invariants [1*t - 1 >= 0] [2025-02-17 22:48:36,157 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2025-02-17 22:48:36,164 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2025-02-17 22:48:36,192 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:36,198 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:36,199 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:36,200 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:36,200 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:48:36,200 INFO L256 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-17 22:48:36,201 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:48:36,212 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:36,213 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:36,213 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:36,213 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:48:36,214 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-17 22:48:36,215 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:48:36,247 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 22:48:36,267 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 22:48:36,268 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 85 states, 84 states have (on average 1.9047619047619047) internal successors, (160), 84 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-17 22:48:36,371 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 85 states, 84 states have (on average 1.9047619047619047) internal successors, (160), 84 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 295 states and 579 transitions. Complement of second has 7 states. [2025-02-17 22:48:36,372 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 22:48:36,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-17 22:48:36,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 64 transitions. [2025-02-17 22:48:36,382 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 64 transitions. Stem has 3 letters. Loop has 3 letters. [2025-02-17 22:48:36,383 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:48:36,383 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 64 transitions. Stem has 6 letters. Loop has 3 letters. [2025-02-17 22:48:36,383 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:48:36,383 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 64 transitions. Stem has 3 letters. Loop has 6 letters. [2025-02-17 22:48:36,383 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:48:36,384 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 295 states and 579 transitions. [2025-02-17 22:48:36,393 INFO L131 ngComponentsAnalysis]: Automaton has 24 accepting balls. 120 [2025-02-17 22:48:36,401 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 295 states to 231 states and 464 transitions. [2025-02-17 22:48:36,401 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 181 [2025-02-17 22:48:36,405 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 200 [2025-02-17 22:48:36,406 INFO L73 IsDeterministic]: Start isDeterministic. Operand 231 states and 464 transitions. [2025-02-17 22:48:36,406 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-17 22:48:36,406 INFO L218 hiAutomatonCegarLoop]: Abstraction has 231 states and 464 transitions. [2025-02-17 22:48:36,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states and 464 transitions. [2025-02-17 22:48:36,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 134. [2025-02-17 22:48:36,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 134 states have (on average 2.1044776119402986) internal successors, (282), 133 states have internal predecessors, (282), 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 22:48:36,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 282 transitions. [2025-02-17 22:48:36,431 INFO L240 hiAutomatonCegarLoop]: Abstraction has 134 states and 282 transitions. [2025-02-17 22:48:36,432 INFO L432 stractBuchiCegarLoop]: Abstraction has 134 states and 282 transitions. [2025-02-17 22:48:36,432 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-02-17 22:48:36,432 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 134 states and 282 transitions. [2025-02-17 22:48:36,435 INFO L131 ngComponentsAnalysis]: Automaton has 12 accepting balls. 60 [2025-02-17 22:48:36,435 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-17 22:48:36,436 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-17 22:48:36,436 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2025-02-17 22:48:36,436 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-02-17 22:48:36,436 INFO L752 eck$LassoCheckResult]: Stem: "[100] $Ultimate##0-->$Ultimate##0: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0]" "[77] $Ultimate##0-->L29: Formula: (< v_b_3 1) InVars {b=v_b_3} OutVars{b=v_b_3} AuxVars[] AssignedVars[]" "[79] L29-->L33-2: Formula: (= (+ v_t_3 1) 0) InVars {} OutVars{t=v_t_3} AuxVars[] AssignedVars[t]" [2025-02-17 22:48:36,436 INFO L754 eck$LassoCheckResult]: Loop: "[81] L33-2-->L33: Formula: (<= v_x1_4 v_n1_2) InVars {x1=v_x1_4, n1=v_n1_2} OutVars{x1=v_x1_4, n1=v_n1_2} AuxVars[] AssignedVars[]" "[83] L33-->L35: Formula: (<= 1 v_b_4) InVars {b=v_b_4} OutVars{b=v_b_4} AuxVars[] AssignedVars[]" "[85] L35-->L33-2: Formula: (= v_x1_5 (+ v_x1_6 v_t_4)) InVars {x1=v_x1_6, t=v_t_4} OutVars{x1=v_x1_5, t=v_t_4} AuxVars[] AssignedVars[x1]" [2025-02-17 22:48:36,438 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:36,438 INFO L85 PathProgramCache]: Analyzing trace with hash 128357, now seen corresponding path program 1 times [2025-02-17 22:48:36,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:36,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986324300] [2025-02-17 22:48:36,438 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:36,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:36,441 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:36,442 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:36,442 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:36,442 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:36,442 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:36,443 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:36,443 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:36,443 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:36,443 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:36,444 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:36,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:36,444 INFO L85 PathProgramCache]: Analyzing trace with hash 110290, now seen corresponding path program 2 times [2025-02-17 22:48:36,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:36,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079258138] [2025-02-17 22:48:36,445 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-17 22:48:36,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:36,447 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:36,447 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:36,447 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-17 22:48:36,448 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:36,448 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:36,448 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:36,449 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:36,449 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:36,449 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:36,450 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:36,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:36,450 INFO L85 PathProgramCache]: Analyzing trace with hash -471003410, now seen corresponding path program 1 times [2025-02-17 22:48:36,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:36,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135017645] [2025-02-17 22:48:36,450 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:36,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:36,452 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-17 22:48:36,454 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-17 22:48:36,454 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:36,454 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:48:36,475 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 22:48:36,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-17 22:48:36,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135017645] [2025-02-17 22:48:36,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135017645] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-17 22:48:36,476 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-17 22:48:36,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-17 22:48:36,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627523915] [2025-02-17 22:48:36,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-17 22:48:36,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-17 22:48:36,502 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-17 22:48:36,502 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-17 22:48:36,504 INFO L87 Difference]: Start difference. First operand 134 states and 282 transitions. cyclomatic complexity: 166 Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-17 22:48:36,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-17 22:48:36,528 INFO L93 Difference]: Finished difference Result 159 states and 301 transitions. [2025-02-17 22:48:36,529 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 159 states and 301 transitions. [2025-02-17 22:48:36,530 INFO L131 ngComponentsAnalysis]: Automaton has 19 accepting balls. 63 [2025-02-17 22:48:36,534 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 159 states to 151 states and 282 transitions. [2025-02-17 22:48:36,534 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 117 [2025-02-17 22:48:36,534 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 124 [2025-02-17 22:48:36,534 INFO L73 IsDeterministic]: Start isDeterministic. Operand 151 states and 282 transitions. [2025-02-17 22:48:36,534 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-17 22:48:36,534 INFO L218 hiAutomatonCegarLoop]: Abstraction has 151 states and 282 transitions. [2025-02-17 22:48:36,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states and 282 transitions. [2025-02-17 22:48:36,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 132. [2025-02-17 22:48:36,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 132 states have (on average 1.856060606060606) internal successors, (245), 131 states have internal predecessors, (245), 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 22:48:36,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 245 transitions. [2025-02-17 22:48:36,542 INFO L240 hiAutomatonCegarLoop]: Abstraction has 132 states and 245 transitions. [2025-02-17 22:48:36,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-17 22:48:36,545 INFO L432 stractBuchiCegarLoop]: Abstraction has 132 states and 245 transitions. [2025-02-17 22:48:36,545 INFO L338 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2025-02-17 22:48:36,545 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 132 states and 245 transitions. [2025-02-17 22:48:36,546 INFO L131 ngComponentsAnalysis]: Automaton has 19 accepting balls. 63 [2025-02-17 22:48:36,546 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-17 22:48:36,546 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-17 22:48:36,546 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2025-02-17 22:48:36,546 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-02-17 22:48:36,547 INFO L752 eck$LassoCheckResult]: Stem: "[100] $Ultimate##0-->$Ultimate##0: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0]" "[77] $Ultimate##0-->L29: Formula: (< v_b_3 1) InVars {b=v_b_3} OutVars{b=v_b_3} AuxVars[] AssignedVars[]" "[79] L29-->L33-2: Formula: (= (+ v_t_3 1) 0) InVars {} OutVars{t=v_t_3} AuxVars[] AssignedVars[t]" [2025-02-17 22:48:36,547 INFO L754 eck$LassoCheckResult]: Loop: "[81] L33-2-->L33: Formula: (<= v_x1_4 v_n1_2) InVars {x1=v_x1_4, n1=v_n1_2} OutVars{x1=v_x1_4, n1=v_n1_2} AuxVars[] AssignedVars[]" "[84] L33-->L39: Formula: (< v_b_1 1) InVars {b=v_b_1} OutVars{b=v_b_1} AuxVars[] AssignedVars[]" "[86] L39-->L33-2: Formula: (= v_x1_2 (+ v_x1_1 v_t_1)) InVars {x1=v_x1_2, t=v_t_1} OutVars{x1=v_x1_1, t=v_t_1} AuxVars[] AssignedVars[x1]" [2025-02-17 22:48:36,547 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:36,547 INFO L85 PathProgramCache]: Analyzing trace with hash 128357, now seen corresponding path program 2 times [2025-02-17 22:48:36,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:36,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599482193] [2025-02-17 22:48:36,547 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-17 22:48:36,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:36,551 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:36,552 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:36,552 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-17 22:48:36,552 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:36,552 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:36,553 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:36,557 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:36,557 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:36,557 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:36,559 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:36,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:36,559 INFO L85 PathProgramCache]: Analyzing trace with hash 110322, now seen corresponding path program 1 times [2025-02-17 22:48:36,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:36,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284967978] [2025-02-17 22:48:36,559 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:36,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:36,564 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:36,565 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:36,566 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:36,566 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:36,566 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:36,566 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:36,567 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:36,567 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:36,567 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:36,568 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:36,568 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:36,568 INFO L85 PathProgramCache]: Analyzing trace with hash -471003378, now seen corresponding path program 1 times [2025-02-17 22:48:36,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:36,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089165386] [2025-02-17 22:48:36,568 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:36,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:36,572 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-17 22:48:36,577 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-17 22:48:36,578 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:36,578 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:36,578 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:36,579 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-17 22:48:36,581 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-17 22:48:36,582 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:36,582 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:36,583 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:36,618 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:48:36,618 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:48:36,618 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:48:36,618 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:48:36,618 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-02-17 22:48:36,618 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:36,618 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:48:36,618 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:48:36,618 INFO L132 ssoRankerPreferences]: Filename of dumped script: adfg_2_x_n_indep.c.bpl_petrified1_Iteration3_Lasso [2025-02-17 22:48:36,618 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:48:36,618 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:48:36,619 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:36,622 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:36,625 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:36,658 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:48:36,659 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-02-17 22:48:36,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:36,659 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:36,660 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 22:48:36,662 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 22:48:36,663 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:36,663 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:36,675 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:48:36,675 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 22:48:36,681 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 22:48:36,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:36,681 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:36,683 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 22:48:36,683 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 22:48:36,684 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:36,685 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:36,701 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:48:36,701 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {b=0} Honda state: {b=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:48:36,707 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2025-02-17 22:48:36,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:36,707 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:36,710 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 22:48:36,711 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 22:48:36,711 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:36,712 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:36,728 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2025-02-17 22:48:36,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:36,728 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:36,731 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 22:48:36,734 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 22:48:36,735 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-02-17 22:48:36,735 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:36,859 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-02-17 22:48:36,865 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2025-02-17 22:48:36,865 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:48:36,866 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:48:36,866 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:48:36,866 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:48:36,866 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-17 22:48:36,866 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:36,866 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:48:36,866 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:48:36,866 INFO L132 ssoRankerPreferences]: Filename of dumped script: adfg_2_x_n_indep.c.bpl_petrified1_Iteration3_Lasso [2025-02-17 22:48:36,866 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:48:36,866 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:48:36,869 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:36,874 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:36,881 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:36,910 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:48:36,910 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-17 22:48:36,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:36,910 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:36,912 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 22:48:36,913 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 22:48:36,915 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 22:48:36,925 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:48:36,925 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:48:36,925 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:48:36,925 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:48:36,926 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:48:36,926 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:48:36,929 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:48:36,934 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2025-02-17 22:48:36,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:36,935 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:36,936 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 22:48:36,937 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 22:48:36,938 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 22:48:36,948 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:48:36,948 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:48:36,948 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:48:36,948 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:48:36,950 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:48:36,950 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:48:36,952 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:48:36,958 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2025-02-17 22:48:36,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:36,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:36,959 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 22:48:36,961 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 22:48:36,962 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-17 22:48:36,972 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:48:36,972 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:48:36,972 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:48:36,972 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:48:36,974 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:48:36,974 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:48:36,980 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-17 22:48:36,984 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2025-02-17 22:48:36,984 INFO L444 ModelExtractionUtils]: 5 out of 13 variables were initially zero. Simplification set additionally 0 variables to zero. [2025-02-17 22:48:36,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:36,984 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:36,987 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 22:48:36,989 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 22:48:36,989 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-17 22:48:37,000 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2025-02-17 22:48:37,000 INFO L474 LassoAnalysis]: Proved termination. [2025-02-17 22:48:37,000 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(t, n1, x1) = -1*t + 2*n1 - 2*x1 Supporting invariants [-1*t - 1 >= 0] [2025-02-17 22:48:37,005 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 22:48:37,008 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2025-02-17 22:48:37,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:37,034 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:37,035 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:37,035 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:37,035 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:48:37,035 INFO L256 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-17 22:48:37,036 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:48:37,044 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:37,045 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:37,045 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:37,045 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:48:37,045 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-17 22:48:37,045 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:48:37,072 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 22:48:37,073 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 22:48:37,073 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 132 states and 245 transitions. cyclomatic complexity: 138 Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-17 22:48:37,137 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 132 states and 245 transitions. cyclomatic complexity: 138. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 214 states and 395 transitions. Complement of second has 6 states. [2025-02-17 22:48:37,138 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 22:48:37,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-17 22:48:37,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 48 transitions. [2025-02-17 22:48:37,139 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 48 transitions. Stem has 3 letters. Loop has 3 letters. [2025-02-17 22:48:37,139 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:48:37,139 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 48 transitions. Stem has 6 letters. Loop has 3 letters. [2025-02-17 22:48:37,139 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:48:37,139 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 48 transitions. Stem has 3 letters. Loop has 6 letters. [2025-02-17 22:48:37,140 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:48:37,140 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 214 states and 395 transitions. [2025-02-17 22:48:37,145 INFO L131 ngComponentsAnalysis]: Automaton has 22 accepting balls. 72 [2025-02-17 22:48:37,147 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 214 states to 172 states and 314 transitions. [2025-02-17 22:48:37,147 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 120 [2025-02-17 22:48:37,147 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 127 [2025-02-17 22:48:37,147 INFO L73 IsDeterministic]: Start isDeterministic. Operand 172 states and 314 transitions. [2025-02-17 22:48:37,147 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-17 22:48:37,147 INFO L218 hiAutomatonCegarLoop]: Abstraction has 172 states and 314 transitions. [2025-02-17 22:48:37,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states and 314 transitions. [2025-02-17 22:48:37,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 154. [2025-02-17 22:48:37,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 154 states have (on average 1.87012987012987) internal successors, (288), 153 states have internal predecessors, (288), 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 22:48:37,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 288 transitions. [2025-02-17 22:48:37,156 INFO L240 hiAutomatonCegarLoop]: Abstraction has 154 states and 288 transitions. [2025-02-17 22:48:37,156 INFO L432 stractBuchiCegarLoop]: Abstraction has 154 states and 288 transitions. [2025-02-17 22:48:37,157 INFO L338 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2025-02-17 22:48:37,157 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 154 states and 288 transitions. [2025-02-17 22:48:37,158 INFO L131 ngComponentsAnalysis]: Automaton has 19 accepting balls. 63 [2025-02-17 22:48:37,158 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-17 22:48:37,158 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-17 22:48:37,158 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2025-02-17 22:48:37,158 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-02-17 22:48:37,158 INFO L752 eck$LassoCheckResult]: Stem: "[100] $Ultimate##0-->$Ultimate##0: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0]" "[76] $Ultimate##0-->L25: Formula: (<= 1 v_b_2) InVars {b=v_b_2} OutVars{b=v_b_2} AuxVars[] AssignedVars[]" "[103] L14-->$Ultimate##0: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1]" "[87] $Ultimate##0-->L49: Formula: (<= 1 v_b_7) InVars {b=v_b_7} OutVars{b=v_b_7} AuxVars[] AssignedVars[]" "[89] L49-->L57-2: Formula: (= v_t_7 1) InVars {} OutVars{t=v_t_7} AuxVars[] AssignedVars[t]" [2025-02-17 22:48:37,158 INFO L754 eck$LassoCheckResult]: Loop: "[92] L57-2-->L57: Formula: (<= v_x2_1 v_n2_1) InVars {n2=v_n2_1, x2=v_x2_1} OutVars{n2=v_n2_1, x2=v_x2_1} AuxVars[] AssignedVars[]" "[94] L57-->L59: Formula: (<= 1 v_b_5) InVars {b=v_b_5} OutVars{b=v_b_5} AuxVars[] AssignedVars[]" "[96] L59-->L57-2: Formula: (= v_x2_2 (+ v_x2_3 v_t_5)) InVars {t=v_t_5, x2=v_x2_3} OutVars{t=v_t_5, x2=v_x2_2} AuxVars[] AssignedVars[x2]" [2025-02-17 22:48:37,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:37,159 INFO L85 PathProgramCache]: Analyzing trace with hash 123347136, now seen corresponding path program 1 times [2025-02-17 22:48:37,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:37,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872929179] [2025-02-17 22:48:37,159 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:37,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:37,164 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-17 22:48:37,166 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-17 22:48:37,166 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:37,166 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:37,166 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:37,167 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-17 22:48:37,170 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-17 22:48:37,170 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:37,170 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:37,176 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:37,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:37,176 INFO L85 PathProgramCache]: Analyzing trace with hash 121213, now seen corresponding path program 1 times [2025-02-17 22:48:37,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:37,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418835072] [2025-02-17 22:48:37,177 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:37,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:37,178 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:37,179 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:37,179 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:37,179 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:37,179 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:37,180 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:37,180 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:37,180 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:37,180 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:37,181 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:37,181 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:37,181 INFO L85 PathProgramCache]: Analyzing trace with hash -1857385378, now seen corresponding path program 1 times [2025-02-17 22:48:37,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:37,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279323273] [2025-02-17 22:48:37,182 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:37,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:37,183 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-17 22:48:37,185 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-17 22:48:37,185 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:37,185 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:37,185 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:37,185 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-17 22:48:37,188 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-17 22:48:37,188 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:37,188 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:37,189 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:37,244 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:48:37,244 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:48:37,244 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:48:37,244 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:48:37,244 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-02-17 22:48:37,244 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:37,244 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:48:37,244 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:48:37,244 INFO L132 ssoRankerPreferences]: Filename of dumped script: adfg_2_x_n_indep.c.bpl_petrified1_Iteration4_Lasso [2025-02-17 22:48:37,244 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:48:37,244 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:48:37,245 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:37,249 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:37,251 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:37,253 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:37,255 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:37,308 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 22:48:37,316 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2025-02-17 22:48:37,323 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:48:37,323 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-02-17 22:48:37,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:37,324 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:37,326 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 22:48:37,328 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 22:48:37,328 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:37,328 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:37,351 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:48:37,351 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {b=1} Honda state: {b=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:48:37,361 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 22:48:37,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:37,361 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:37,397 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 22:48:37,398 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 22:48:37,398 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:37,398 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:37,411 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:48:37,411 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 22:48:37,417 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 22:48:37,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:37,418 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:37,420 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 22:48:37,420 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 22:48:37,422 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:37,422 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:37,437 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:48:37,438 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 22:48:37,443 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 22:48:37,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:37,444 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:37,445 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 22:48:37,447 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 22:48:37,447 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:37,447 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:37,459 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:48:37,459 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 22:48:37,465 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 22:48:37,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:37,466 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:37,470 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 22:48:37,476 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 22:48:37,477 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:37,477 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:37,499 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2025-02-17 22:48:37,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:37,500 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:37,502 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 22:48:37,503 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 22:48:37,507 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-02-17 22:48:37,507 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:37,656 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-02-17 22:48:37,662 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2025-02-17 22:48:37,663 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:48:37,663 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:48:37,663 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:48:37,663 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:48:37,663 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-17 22:48:37,663 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:37,663 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:48:37,663 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:48:37,663 INFO L132 ssoRankerPreferences]: Filename of dumped script: adfg_2_x_n_indep.c.bpl_petrified1_Iteration4_Lasso [2025-02-17 22:48:37,663 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:48:37,663 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:48:37,664 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:37,668 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:37,671 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:37,674 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:37,679 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:37,735 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:48:37,735 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-17 22:48:37,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:37,735 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:37,739 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 22:48:37,740 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 22:48:37,741 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 22:48:37,753 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:48:37,753 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:48:37,753 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:48:37,753 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:48:37,755 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:48:37,755 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:48:37,758 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:48:37,764 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 22:48:37,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:37,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:37,766 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 22:48:37,767 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 22:48:37,768 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 22:48:37,779 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:48:37,779 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:48:37,779 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:48:37,779 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:48:37,781 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:48:37,781 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:48:37,784 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:48:37,790 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 22:48:37,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:37,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:37,792 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 22:48:37,794 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 22:48:37,796 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 22:48:37,806 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:48:37,806 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:48:37,806 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:48:37,806 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:48:37,808 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:48:37,808 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:48:37,810 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:48:37,816 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2025-02-17 22:48:37,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:37,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:37,818 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 22:48:37,820 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 22:48:37,821 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 22:48:37,831 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:48:37,831 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:48:37,831 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:48:37,831 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:48:37,836 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:48:37,836 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:48:37,840 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-17 22:48:37,844 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2025-02-17 22:48:37,844 INFO L444 ModelExtractionUtils]: 5 out of 13 variables were initially zero. Simplification set additionally 0 variables to zero. [2025-02-17 22:48:37,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:37,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:37,845 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 22:48:37,847 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 22:48:37,848 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-17 22:48:37,858 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2025-02-17 22:48:37,858 INFO L474 LassoAnalysis]: Proved termination. [2025-02-17 22:48:37,858 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(x2, n2, t) = -2*x2 + 2*n2 + 1*t Supporting invariants [1*t - 1 >= 0] [2025-02-17 22:48:37,865 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 22:48:37,875 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2025-02-17 22:48:37,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:37,897 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-17 22:48:37,898 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-17 22:48:37,898 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:37,898 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:48:37,899 INFO L256 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-17 22:48:37,899 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:48:37,906 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:37,907 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:37,907 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:37,907 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:48:37,907 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-17 22:48:37,908 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:48:37,946 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 22:48:37,947 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 22:48:37,947 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 154 states and 288 transitions. cyclomatic complexity: 162 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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 22:48:38,017 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 154 states and 288 transitions. cyclomatic complexity: 162. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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 353 states and 711 transitions. Complement of second has 7 states. [2025-02-17 22:48:38,021 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 22:48:38,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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 22:48:38,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 57 transitions. [2025-02-17 22:48:38,022 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 57 transitions. Stem has 5 letters. Loop has 3 letters. [2025-02-17 22:48:38,022 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:48:38,022 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 57 transitions. Stem has 8 letters. Loop has 3 letters. [2025-02-17 22:48:38,022 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:48:38,022 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 57 transitions. Stem has 5 letters. Loop has 6 letters. [2025-02-17 22:48:38,023 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:48:38,023 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 353 states and 711 transitions. [2025-02-17 22:48:38,028 INFO L131 ngComponentsAnalysis]: Automaton has 26 accepting balls. 90 [2025-02-17 22:48:38,029 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 353 states to 303 states and 590 transitions. [2025-02-17 22:48:38,029 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 171 [2025-02-17 22:48:38,030 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 196 [2025-02-17 22:48:38,030 INFO L73 IsDeterministic]: Start isDeterministic. Operand 303 states and 590 transitions. [2025-02-17 22:48:38,030 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-17 22:48:38,030 INFO L218 hiAutomatonCegarLoop]: Abstraction has 303 states and 590 transitions. [2025-02-17 22:48:38,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states and 590 transitions. [2025-02-17 22:48:38,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 204. [2025-02-17 22:48:38,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 204 states have (on average 2.0392156862745097) internal successors, (416), 203 states have internal predecessors, (416), 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 22:48:38,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 416 transitions. [2025-02-17 22:48:38,039 INFO L240 hiAutomatonCegarLoop]: Abstraction has 204 states and 416 transitions. [2025-02-17 22:48:38,040 INFO L432 stractBuchiCegarLoop]: Abstraction has 204 states and 416 transitions. [2025-02-17 22:48:38,040 INFO L338 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2025-02-17 22:48:38,040 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 204 states and 416 transitions. [2025-02-17 22:48:38,041 INFO L131 ngComponentsAnalysis]: Automaton has 14 accepting balls. 48 [2025-02-17 22:48:38,041 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-17 22:48:38,041 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-17 22:48:38,041 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2025-02-17 22:48:38,041 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-02-17 22:48:38,041 INFO L752 eck$LassoCheckResult]: Stem: "[100] $Ultimate##0-->$Ultimate##0: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0]" "[76] $Ultimate##0-->L25: Formula: (<= 1 v_b_2) InVars {b=v_b_2} OutVars{b=v_b_2} AuxVars[] AssignedVars[]" "[103] L14-->$Ultimate##0: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1]" "[88] $Ultimate##0-->L53: Formula: (< v_b_8 1) InVars {b=v_b_8} OutVars{b=v_b_8} AuxVars[] AssignedVars[]" "[90] L53-->L57-2: Formula: (= (+ v_t_8 1) 0) InVars {} OutVars{t=v_t_8} AuxVars[] AssignedVars[t]" [2025-02-17 22:48:38,041 INFO L754 eck$LassoCheckResult]: Loop: "[92] L57-2-->L57: Formula: (<= v_x2_1 v_n2_1) InVars {n2=v_n2_1, x2=v_x2_1} OutVars{n2=v_n2_1, x2=v_x2_1} AuxVars[] AssignedVars[]" "[95] L57-->L63: Formula: (< v_b_6 1) InVars {b=v_b_6} OutVars{b=v_b_6} AuxVars[] AssignedVars[]" "[97] L63-->L57-2: Formula: (= v_x2_5 (+ v_x2_4 v_t_6)) InVars {t=v_t_6, x2=v_x2_5} OutVars{t=v_t_6, x2=v_x2_4} AuxVars[] AssignedVars[x2]" [2025-02-17 22:48:38,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:38,042 INFO L85 PathProgramCache]: Analyzing trace with hash 123347168, now seen corresponding path program 1 times [2025-02-17 22:48:38,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:38,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491401287] [2025-02-17 22:48:38,042 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:38,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:38,043 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-17 22:48:38,046 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-17 22:48:38,046 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:38,046 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:48:38,067 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 22:48:38,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-17 22:48:38,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491401287] [2025-02-17 22:48:38,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [491401287] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-17 22:48:38,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-17 22:48:38,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-17 22:48:38,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318606448] [2025-02-17 22:48:38,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-17 22:48:38,068 INFO L757 eck$LassoCheckResult]: stem already infeasible [2025-02-17 22:48:38,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:38,069 INFO L85 PathProgramCache]: Analyzing trace with hash 121245, now seen corresponding path program 1 times [2025-02-17 22:48:38,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:38,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629402848] [2025-02-17 22:48:38,069 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:38,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:38,070 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:38,071 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:38,071 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:38,071 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:38,072 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:38,072 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:38,072 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:38,073 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:38,073 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:38,073 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:38,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-17 22:48:38,090 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-17 22:48:38,090 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-17 22:48:38,090 INFO L87 Difference]: Start difference. First operand 204 states and 416 transitions. cyclomatic complexity: 245 Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-17 22:48:38,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-17 22:48:38,108 INFO L93 Difference]: Finished difference Result 166 states and 327 transitions. [2025-02-17 22:48:38,108 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 166 states and 327 transitions. [2025-02-17 22:48:38,109 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 12 [2025-02-17 22:48:38,109 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 166 states to 45 states and 75 transitions. [2025-02-17 22:48:38,110 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2025-02-17 22:48:38,110 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 27 [2025-02-17 22:48:38,110 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 75 transitions. [2025-02-17 22:48:38,110 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-17 22:48:38,110 INFO L218 hiAutomatonCegarLoop]: Abstraction has 45 states and 75 transitions. [2025-02-17 22:48:38,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states and 75 transitions. [2025-02-17 22:48:38,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2025-02-17 22:48:38,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 45 states have (on average 1.6666666666666667) internal successors, (75), 44 states have internal predecessors, (75), 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 22:48:38,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 75 transitions. [2025-02-17 22:48:38,111 INFO L240 hiAutomatonCegarLoop]: Abstraction has 45 states and 75 transitions. [2025-02-17 22:48:38,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-17 22:48:38,112 INFO L432 stractBuchiCegarLoop]: Abstraction has 45 states and 75 transitions. [2025-02-17 22:48:38,112 INFO L338 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2025-02-17 22:48:38,112 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 45 states and 75 transitions. [2025-02-17 22:48:38,112 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 12 [2025-02-17 22:48:38,112 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-17 22:48:38,112 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-17 22:48:38,112 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2025-02-17 22:48:38,112 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-02-17 22:48:38,113 INFO L752 eck$LassoCheckResult]: Stem: "[100] $Ultimate##0-->$Ultimate##0: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0]" "[77] $Ultimate##0-->L29: Formula: (< v_b_3 1) InVars {b=v_b_3} OutVars{b=v_b_3} AuxVars[] AssignedVars[]" "[103] L14-->$Ultimate##0: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1]" "[88] $Ultimate##0-->L53: Formula: (< v_b_8 1) InVars {b=v_b_8} OutVars{b=v_b_8} AuxVars[] AssignedVars[]" "[90] L53-->L57-2: Formula: (= (+ v_t_8 1) 0) InVars {} OutVars{t=v_t_8} AuxVars[] AssignedVars[t]" [2025-02-17 22:48:38,113 INFO L754 eck$LassoCheckResult]: Loop: "[92] L57-2-->L57: Formula: (<= v_x2_1 v_n2_1) InVars {n2=v_n2_1, x2=v_x2_1} OutVars{n2=v_n2_1, x2=v_x2_1} AuxVars[] AssignedVars[]" "[95] L57-->L63: Formula: (< v_b_6 1) InVars {b=v_b_6} OutVars{b=v_b_6} AuxVars[] AssignedVars[]" "[97] L63-->L57-2: Formula: (= v_x2_5 (+ v_x2_4 v_t_6)) InVars {t=v_t_6, x2=v_x2_5} OutVars{t=v_t_6, x2=v_x2_4} AuxVars[] AssignedVars[x2]" [2025-02-17 22:48:38,113 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:38,113 INFO L85 PathProgramCache]: Analyzing trace with hash 123376959, now seen corresponding path program 1 times [2025-02-17 22:48:38,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:38,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159935361] [2025-02-17 22:48:38,113 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:38,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:38,115 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-17 22:48:38,116 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-17 22:48:38,116 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:38,116 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:38,116 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:38,116 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-17 22:48:38,117 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-17 22:48:38,117 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:38,117 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:38,119 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:38,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:38,119 INFO L85 PathProgramCache]: Analyzing trace with hash 121245, now seen corresponding path program 2 times [2025-02-17 22:48:38,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:38,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072799663] [2025-02-17 22:48:38,119 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-17 22:48:38,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:38,121 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:38,123 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:38,123 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-17 22:48:38,123 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:38,123 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:38,124 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:38,124 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:38,125 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:38,125 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:38,125 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:38,126 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:38,126 INFO L85 PathProgramCache]: Analyzing trace with hash -968928353, now seen corresponding path program 1 times [2025-02-17 22:48:38,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:38,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672711538] [2025-02-17 22:48:38,127 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:38,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:38,128 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-17 22:48:38,134 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-17 22:48:38,134 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:38,134 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:38,134 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:38,135 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-17 22:48:38,136 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-17 22:48:38,136 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:38,136 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:38,137 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:38,174 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:48:38,175 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:48:38,175 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:48:38,175 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:48:38,175 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-02-17 22:48:38,175 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:38,175 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:48:38,175 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:48:38,175 INFO L132 ssoRankerPreferences]: Filename of dumped script: adfg_2_x_n_indep.c.bpl_petrified1_Iteration6_Lasso [2025-02-17 22:48:38,175 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:48:38,175 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:48:38,176 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:38,179 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:38,181 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:38,183 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:38,185 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:38,221 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:48:38,221 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-02-17 22:48:38,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:38,221 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:38,223 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 22:48:38,225 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 22:48:38,226 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:38,226 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:38,244 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:48:38,244 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {b=0} Honda state: {b=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:48:38,249 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2025-02-17 22:48:38,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:38,250 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:38,251 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 22:48:38,252 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 22:48:38,253 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:38,253 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:38,263 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:48:38,264 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 22:48:38,269 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2025-02-17 22:48:38,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:38,269 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:38,271 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 22:48:38,271 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 22:48:38,276 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:38,276 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:38,287 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:48:38,287 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 22:48:38,292 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2025-02-17 22:48:38,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:38,292 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:38,294 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 22:48:38,294 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 22:48:38,295 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:38,295 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:38,306 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:48:38,306 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 22:48:38,311 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2025-02-17 22:48:38,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:38,312 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:38,313 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 22:48:38,315 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 22:48:38,315 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:38,315 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:38,331 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2025-02-17 22:48:38,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:38,332 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:38,334 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 22:48:38,335 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 22:48:38,336 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-02-17 22:48:38,336 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:38,470 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-02-17 22:48:38,476 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 22:48:38,476 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:48:38,477 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:48:38,477 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:48:38,477 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:48:38,477 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-17 22:48:38,477 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:38,477 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:48:38,477 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:48:38,477 INFO L132 ssoRankerPreferences]: Filename of dumped script: adfg_2_x_n_indep.c.bpl_petrified1_Iteration6_Lasso [2025-02-17 22:48:38,477 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:48:38,477 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:48:38,478 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:38,488 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:38,491 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:38,492 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:38,494 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:38,533 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:48:38,533 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-17 22:48:38,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:38,533 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:38,534 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 22:48:38,535 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 22:48:38,536 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 22:48:38,546 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:48:38,546 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:48:38,547 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:48:38,547 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:48:38,547 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:48:38,547 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:48:38,550 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:48:38,555 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 22:48:38,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:38,556 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:38,557 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 22:48:38,558 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 22:48:38,559 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 22:48:38,569 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:48:38,569 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:48:38,569 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:48:38,569 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:48:38,570 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:48:38,570 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:48:38,572 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:48:38,578 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2025-02-17 22:48:38,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:38,578 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:38,580 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 22:48:38,582 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 22:48:38,583 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 22:48:38,592 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:48:38,593 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:48:38,593 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:48:38,593 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:48:38,593 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:48:38,593 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:48:38,596 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:48:38,602 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 22:48:38,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:38,602 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:38,604 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 22:48:38,605 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 22:48:38,606 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 22:48:38,616 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:48:38,616 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:48:38,616 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:48:38,616 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:48:38,617 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:48:38,617 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:48:38,620 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:48:38,625 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2025-02-17 22:48:38,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:38,626 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:38,627 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 22:48:38,629 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 22:48:38,630 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 22:48:38,639 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:48:38,639 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:48:38,639 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:48:38,639 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:48:38,641 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:48:38,641 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:48:38,645 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-17 22:48:38,649 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2025-02-17 22:48:38,650 INFO L444 ModelExtractionUtils]: 6 out of 13 variables were initially zero. Simplification set additionally 1 variables to zero. [2025-02-17 22:48:38,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:38,650 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:38,651 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 22:48:38,653 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 22:48:38,654 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-17 22:48:38,664 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2025-02-17 22:48:38,664 INFO L474 LassoAnalysis]: Proved termination. [2025-02-17 22:48:38,664 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(n2, x2) = 2*n2 - 2*x2 + 1 Supporting invariants [-1*t - 1 >= 0] [2025-02-17 22:48:38,670 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2025-02-17 22:48:38,672 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2025-02-17 22:48:38,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:38,691 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-17 22:48:38,692 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-17 22:48:38,692 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:38,692 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:48:38,692 INFO L256 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-17 22:48:38,692 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:48:38,710 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:38,710 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2025-02-17 22:48:38,710 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:38,711 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:38,711 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:48:38,711 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-17 22:48:38,715 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:48:38,717 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2025-02-17 22:48:38,739 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 22:48:38,739 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 22:48:38,739 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 45 states and 75 transitions. cyclomatic complexity: 37 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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 22:48:38,772 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 45 states and 75 transitions. cyclomatic complexity: 37. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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 104 states and 191 transitions. Complement of second has 6 states. [2025-02-17 22:48:38,772 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 22:48:38,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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 22:48:38,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 34 transitions. [2025-02-17 22:48:38,773 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 34 transitions. Stem has 5 letters. Loop has 3 letters. [2025-02-17 22:48:38,773 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:48:38,773 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 34 transitions. Stem has 8 letters. Loop has 3 letters. [2025-02-17 22:48:38,773 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:48:38,773 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 34 transitions. Stem has 5 letters. Loop has 6 letters. [2025-02-17 22:48:38,773 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:48:38,773 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 104 states and 191 transitions. [2025-02-17 22:48:38,774 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-02-17 22:48:38,774 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 104 states to 0 states and 0 transitions. [2025-02-17 22:48:38,774 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2025-02-17 22:48:38,774 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2025-02-17 22:48:38,774 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2025-02-17 22:48:38,774 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-17 22:48:38,774 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-17 22:48:38,774 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-17 22:48:38,774 INFO L432 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-17 22:48:38,774 INFO L338 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2025-02-17 22:48:38,774 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2025-02-17 22:48:38,774 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-02-17 22:48:38,774 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2025-02-17 22:48:38,779 INFO L201 PluginConnector]: Adding new model adfg_2_x_n_indep.c.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 17.02 10:48:38 BoogieIcfgContainer [2025-02-17 22:48:38,779 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-02-17 22:48:38,780 INFO L158 Benchmark]: Toolchain (without parser) took 4076.10ms. Allocated memory was 167.8MB in the beginning and 125.8MB in the end (delta: -41.9MB). Free memory was 92.8MB in the beginning and 85.1MB in the end (delta: 7.8MB). There was no memory consumed. Max. memory is 8.0GB. [2025-02-17 22:48:38,780 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.19ms. Allocated memory is still 167.8MB. Free memory is still 93.6MB. There was no memory consumed. Max. memory is 8.0GB. [2025-02-17 22:48:38,780 INFO L158 Benchmark]: Boogie Procedure Inliner took 18.81ms. Allocated memory is still 167.8MB. Free memory was 92.8MB in the beginning and 91.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 8.0GB. [2025-02-17 22:48:38,780 INFO L158 Benchmark]: Boogie Preprocessor took 13.46ms. Allocated memory is still 167.8MB. Free memory was 91.5MB in the beginning and 90.9MB in the end (delta: 630.0kB). There was no memory consumed. Max. memory is 8.0GB. [2025-02-17 22:48:38,780 INFO L158 Benchmark]: RCFGBuilder took 166.77ms. Allocated memory is still 167.8MB. Free memory was 90.7MB in the beginning and 80.6MB in the end (delta: 10.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2025-02-17 22:48:38,780 INFO L158 Benchmark]: BuchiAutomizer took 3873.86ms. Allocated memory was 167.8MB in the beginning and 125.8MB in the end (delta: -41.9MB). Free memory was 80.6MB in the beginning and 85.1MB in the end (delta: -4.5MB). There was no memory consumed. Max. memory is 8.0GB. [2025-02-17 22:48:38,781 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 0.19ms. Allocated memory is still 167.8MB. Free memory is still 93.6MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 18.81ms. Allocated memory is still 167.8MB. Free memory was 92.8MB in the beginning and 91.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 13.46ms. Allocated memory is still 167.8MB. Free memory was 91.5MB in the beginning and 90.9MB in the end (delta: 630.0kB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 166.77ms. Allocated memory is still 167.8MB. Free memory was 90.7MB in the beginning and 80.6MB in the end (delta: 10.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * BuchiAutomizer took 3873.86ms. Allocated memory was 167.8MB in the beginning and 125.8MB in the end (delta: -41.9MB). Free memory was 80.6MB in the beginning and 85.1MB in the end (delta: -4.5MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 6 terminating modules (2 trivial, 4 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * x1 + 2 * n1 + 1 and consists of 4 locations. One deterministic module has affine ranking function -1 * t + -2 * x1 + 2 * n1 and consists of 4 locations. One deterministic module has affine ranking function 2 * n2 + -2 * x2 + t and consists of 4 locations. One deterministic module has affine ranking function 2 * n2 + -2 * x2 + 1 and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.7s and 7 iterations. TraceHistogramMax:1. Analysis of lassos took 2.6s. Construction of modules took 0.1s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 5. Automata minimization 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 233 StatesRemovedByMinimization, 4 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [4, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 201 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 201 mSDsluCounter, 270 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 91 mSDsCounter, 26 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 135 IncrementalHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 26 mSolverCounterUnsat, 179 mSDtfsCounter, 135 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN1 SILU0 SILI0 SILT0 lasso4 LassoPreprocessingBenchmarks: Lassos: inital26 mio100 ax100 hnf100 lsp50 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq184 hnf95 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 29ms VariablesStem: 1 VariablesLoop: 1 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 12 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 4 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.9s InitialAbstractionConstructionTime: 0.3s InitialAbstraction: Time to compute Ample Reduction [ms]: 362, Trivial Ample Sets caused by loops: 52, Number of non-trivial ample sets: 64, Number of pruned transitions: 35, Number of transitions in reduction automaton: 160, Number of states in reduction automaton: 85, Underlying: - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2025-02-17 22:48:38,793 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...