/root/.sdkman/candidates/java/21.0.5-tem/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/buchiAutomizer/concurrent-automaton-noLbe.epf --buchiautomizer.automaton.type.for.concurrent.programs PARTIAL_ORDER_BA -tc ../../../trunk/examples/toolchains/BuchiAutomizerBplInline.xml -i /storage/cav23-termute-examples/3_thr/adfg_3_x_t_indep.c.bpl -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.ample-buchi-601be74-m [2025-02-17 22:48:55,740 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-17 22:48:55,790 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/buchiAutomizer/concurrent-automaton-noLbe.epf [2025-02-17 22:48:55,796 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-17 22:48:55,797 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-17 22:48:55,815 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-17 22:48:55,816 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-17 22:48:55,816 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-17 22:48:55,816 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-17 22:48:55,816 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-17 22:48:55,817 INFO L153 SettingsManager]: * Use SBE=true [2025-02-17 22:48:55,817 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-02-17 22:48:55,817 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-02-17 22:48:55,817 INFO L153 SettingsManager]: * Use old map elimination=false [2025-02-17 22:48:55,818 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-02-17 22:48:55,818 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-02-17 22:48:55,818 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-02-17 22:48:55,818 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-17 22:48:55,818 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-02-17 22:48:55,818 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-17 22:48:55,818 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-17 22:48:55,818 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-17 22:48:55,818 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-17 22:48:55,818 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-02-17 22:48:55,818 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-02-17 22:48:55,818 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-02-17 22:48:55,818 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-17 22:48:55,818 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-17 22:48:55,818 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-17 22:48:55,818 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-02-17 22:48:55,818 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-17 22:48:55,818 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-02-17 22:48:55,818 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-17 22:48:55,819 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-17 22:48:55,819 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-17 22:48:55,819 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-02-17 22:48:55,819 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 22:48:56,020 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-17 22:48:56,030 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-17 22:48:56,032 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-17 22:48:56,034 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2025-02-17 22:48:56,035 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2025-02-17 22:48:56,036 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/cav23-termute-examples/3_thr/adfg_3_x_t_indep.c.bpl [2025-02-17 22:48:56,036 INFO L110 BoogieParser]: Parsing: '/storage/cav23-termute-examples/3_thr/adfg_3_x_t_indep.c.bpl' [2025-02-17 22:48:56,049 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-17 22:48:56,050 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2025-02-17 22:48:56,050 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-17 22:48:56,051 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-17 22:48:56,051 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-17 22:48:56,057 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "adfg_3_x_t_indep.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:48:56" (1/1) ... [2025-02-17 22:48:56,062 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "adfg_3_x_t_indep.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:48:56" (1/1) ... [2025-02-17 22:48:56,067 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2025-02-17 22:48:56,068 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-17 22:48:56,070 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-17 22:48:56,070 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-17 22:48:56,070 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-17 22:48:56,075 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "adfg_3_x_t_indep.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:48:56" (1/1) ... [2025-02-17 22:48:56,075 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "adfg_3_x_t_indep.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:48:56" (1/1) ... [2025-02-17 22:48:56,075 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "adfg_3_x_t_indep.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:48:56" (1/1) ... [2025-02-17 22:48:56,075 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "adfg_3_x_t_indep.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:48:56" (1/1) ... [2025-02-17 22:48:56,077 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "adfg_3_x_t_indep.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:48:56" (1/1) ... [2025-02-17 22:48:56,077 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "adfg_3_x_t_indep.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:48:56" (1/1) ... [2025-02-17 22:48:56,079 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "adfg_3_x_t_indep.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:48:56" (1/1) ... [2025-02-17 22:48:56,080 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "adfg_3_x_t_indep.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:48:56" (1/1) ... [2025-02-17 22:48:56,080 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "adfg_3_x_t_indep.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:48:56" (1/1) ... [2025-02-17 22:48:56,081 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-17 22:48:56,081 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-02-17 22:48:56,081 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-02-17 22:48:56,081 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-02-17 22:48:56,082 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "adfg_3_x_t_indep.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:48:56" (1/1) ... [2025-02-17 22:48:56,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:56,096 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:56,110 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 22:48:56,112 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2025-02-17 22:48:56,131 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2025-02-17 22:48:56,131 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-02-17 22:48:56,131 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-02-17 22:48:56,131 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2025-02-17 22:48:56,131 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-02-17 22:48:56,131 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-02-17 22:48:56,131 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2025-02-17 22:48:56,131 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-02-17 22:48:56,131 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-02-17 22:48:56,131 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2025-02-17 22:48:56,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-17 22:48:56,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-17 22:48:56,132 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-02-17 22:48:56,171 INFO L234 CfgBuilder]: Building ICFG [2025-02-17 22:48:56,173 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-17 22:48:56,271 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-17 22:48:56,272 INFO L283 CfgBuilder]: Performing block encoding [2025-02-17 22:48:56,287 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-17 22:48:56,288 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-17 22:48:56,288 INFO L201 PluginConnector]: Adding new model adfg_3_x_t_indep.c.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 10:48:56 BoogieIcfgContainer [2025-02-17 22:48:56,288 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-02-17 22:48:56,289 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-02-17 22:48:56,289 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-02-17 22:48:56,295 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-02-17 22:48:56,296 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-17 22:48:56,296 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "adfg_3_x_t_indep.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:48:56" (1/2) ... [2025-02-17 22:48:56,297 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@597f45bd and model type adfg_3_x_t_indep.c.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.02 10:48:56, skipping insertion in model container [2025-02-17 22:48:56,297 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-17 22:48:56,298 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "adfg_3_x_t_indep.c.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 10:48:56" (2/2) ... [2025-02-17 22:48:56,300 INFO L363 chiAutomizerObserver]: Analyzing ICFG adfg_3_x_t_indep.c.bpl [2025-02-17 22:48:56,373 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2025-02-17 22:48:56,413 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 44 places, 46 transitions, 113 flow [2025-02-17 22:48:56,435 INFO L124 PetriNetUnfolderBase]: 9/40 cut-off events. [2025-02-17 22:48:56,437 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2025-02-17 22:48:56,440 INFO L83 FinitePrefix]: Finished finitePrefix Result has 53 conditions, 40 events. 9/40 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 102 event pairs, 0 based on Foata normal form. 0/31 useless extension candidates. Maximal degree in co-relation 39. Up to 4 conditions per place. [2025-02-17 22:48:56,440 INFO L82 GeneralOperation]: Start removeDead. Operand has 44 places, 46 transitions, 113 flow [2025-02-17 22:48:56,443 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 41 places, 40 transitions, 98 flow [2025-02-17 22:48:56,448 WARN L98 AmpleReduction]: Starting ample reduction [2025-02-17 22:48:56,743 INFO L100 AmpleReduction]: Finished ample reduction [2025-02-17 22:48:56,743 INFO L101 AmpleReduction]: Number of pruned transitions: 362, Number of non-trivial ample sets: 666 [2025-02-17 22:48:56,743 INFO L103 AmpleReduction]: Number of trivial ample sets caused by loops: 697 [2025-02-17 22:48:56,752 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-02-17 22:48:56,752 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-02-17 22:48:56,752 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-02-17 22:48:56,752 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-02-17 22:48:56,752 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-02-17 22:48:56,752 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-02-17 22:48:56,752 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-02-17 22:48:56,752 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-02-17 22:48:56,759 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 512 states, 511 states have (on average 2.747553816046967) internal successors, (1404), 511 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-17 22:48:56,794 INFO L131 ngComponentsAnalysis]: Automaton has 55 accepting balls. 424 [2025-02-17 22:48:56,794 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-17 22:48:56,794 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-17 22:48:56,800 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2025-02-17 22:48:56,800 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-02-17 22:48:56,800 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-02-17 22:48:56,801 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 512 states, 511 states have (on average 2.747553816046967) internal successors, (1404), 511 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-17 22:48:56,815 INFO L131 ngComponentsAnalysis]: Automaton has 55 accepting balls. 424 [2025-02-17 22:48:56,815 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-17 22:48:56,815 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-17 22:48:56,815 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2025-02-17 22:48:56,815 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-02-17 22:48:56,820 INFO L752 eck$LassoCheckResult]: Stem: "[148] $Ultimate##0-->$Ultimate##0: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0]" "[113] $Ultimate##0-->L28: Formula: (<= 1 v_b_2) InVars {b=v_b_2} OutVars{b=v_b_2} AuxVars[] AssignedVars[]" "[115] L28-->L36-2: Formula: (= v_t1_2 1) InVars {} OutVars{t1=v_t1_2} AuxVars[] AssignedVars[t1]" [2025-02-17 22:48:56,821 INFO L754 eck$LassoCheckResult]: Loop: "[118] L36-2-->L36: Formula: (<= v_x1_4 v_n_2) InVars {x1=v_x1_4, n=v_n_2} OutVars{x1=v_x1_4, n=v_n_2} AuxVars[] AssignedVars[]" "[120] L36-->L38: Formula: (<= 1 v_b_4) InVars {b=v_b_4} OutVars{b=v_b_4} AuxVars[] AssignedVars[]" "[122] L38-->L36-2: Formula: (= v_x1_5 (+ v_x1_6 v_t1_4)) InVars {t1=v_t1_4, x1=v_x1_6} OutVars{t1=v_t1_4, x1=v_x1_5} AuxVars[] AssignedVars[x1]" [2025-02-17 22:48:56,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:56,827 INFO L85 PathProgramCache]: Analyzing trace with hash 175637, now seen corresponding path program 1 times [2025-02-17 22:48:56,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:56,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868416062] [2025-02-17 22:48:56,832 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:56,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:56,878 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:56,885 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:56,885 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:56,885 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:56,886 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:56,888 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:56,891 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:56,891 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:56,891 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:56,905 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:56,910 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:56,910 INFO L85 PathProgramCache]: Analyzing trace with hash 147031, now seen corresponding path program 1 times [2025-02-17 22:48:56,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:56,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419542403] [2025-02-17 22:48:56,910 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:56,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:56,916 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:56,921 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:56,921 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:56,921 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:56,922 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:56,923 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:56,924 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:56,924 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:56,924 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:56,929 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:56,930 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:56,930 INFO L85 PathProgramCache]: Analyzing trace with hash 937551811, now seen corresponding path program 1 times [2025-02-17 22:48:56,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:56,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119683010] [2025-02-17 22:48:56,931 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:56,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:56,937 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-17 22:48:56,942 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-17 22:48:56,943 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:56,943 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:56,943 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:56,947 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-17 22:48:56,948 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-17 22:48:56,949 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:56,949 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:56,952 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:57,035 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:48:57,036 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:48:57,036 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:48:57,036 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:48:57,036 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-02-17 22:48:57,036 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:57,036 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:48:57,036 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:48:57,036 INFO L132 ssoRankerPreferences]: Filename of dumped script: adfg_3_x_t_indep.c.bpl_petrified1_Iteration1_Lasso [2025-02-17 22:48:57,036 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:48:57,036 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:48:57,047 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:57,060 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:57,065 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:57,118 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:48:57,118 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-02-17 22:48:57,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:57,121 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:57,124 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 22:48:57,126 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 22:48:57,127 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:57,127 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:57,151 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2025-02-17 22:48:57,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:57,152 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:57,154 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:57,156 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2025-02-17 22:48:57,157 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-02-17 22:48:57,157 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:57,299 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-02-17 22:48:57,305 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2025-02-17 22:48:57,305 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:48:57,305 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:48:57,321 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:48:57,321 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:48:57,322 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-17 22:48:57,322 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:57,322 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:48:57,322 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:48:57,322 INFO L132 ssoRankerPreferences]: Filename of dumped script: adfg_3_x_t_indep.c.bpl_petrified1_Iteration1_Lasso [2025-02-17 22:48:57,322 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:48:57,322 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:48:57,323 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:57,330 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:57,337 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:57,377 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:48:57,380 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-17 22:48:57,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:57,381 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:57,383 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:57,384 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2025-02-17 22:48:57,386 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-17 22:48:57,396 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:48:57,397 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:48:57,397 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:48:57,397 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:48:57,402 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:48:57,402 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:48:57,408 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:48:57,415 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2025-02-17 22:48:57,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:57,415 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:57,420 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:57,421 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2025-02-17 22:48:57,423 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-17 22:48:57,434 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:48:57,434 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:48:57,434 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:48:57,434 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:48:57,437 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:48:57,438 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:48:57,452 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-17 22:48:57,457 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2025-02-17 22:48:57,457 INFO L444 ModelExtractionUtils]: 5 out of 13 variables were initially zero. Simplification set additionally 0 variables to zero. [2025-02-17 22:48:57,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:57,458 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:57,461 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:57,463 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2025-02-17 22:48:57,463 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-17 22:48:57,475 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2025-02-17 22:48:57,475 INFO L474 LassoAnalysis]: Proved termination. [2025-02-17 22:48:57,476 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(x1, n, t1) = -2*x1 + 2*n + 1*t1 Supporting invariants [1*t1 - 1 >= 0] [2025-02-17 22:48:57,481 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2025-02-17 22:48:57,489 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2025-02-17 22:48:57,518 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2025-02-17 22:48:57,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:57,565 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:57,566 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:57,566 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:57,566 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:48:57,567 INFO L256 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-17 22:48:57,568 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:48:57,583 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:57,584 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:57,584 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:57,584 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:48:57,585 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-17 22:48:57,585 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:48:57,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-17 22:48:57,644 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2025-02-17 22:48:57,647 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 512 states, 511 states have (on average 2.747553816046967) internal successors, (1404), 511 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-17 22:48:57,813 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 512 states, 511 states have (on average 2.747553816046967) internal successors, (1404), 511 states have internal predecessors, (1404), 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 2255 states and 6486 transitions. Complement of second has 7 states. [2025-02-17 22:48:57,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2025-02-17 22:48:57,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-17 22:48:57,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 119 transitions. [2025-02-17 22:48:57,826 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 119 transitions. Stem has 3 letters. Loop has 3 letters. [2025-02-17 22:48:57,826 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:48:57,826 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 119 transitions. Stem has 6 letters. Loop has 3 letters. [2025-02-17 22:48:57,826 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:48:57,826 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 119 transitions. Stem has 3 letters. Loop has 6 letters. [2025-02-17 22:48:57,827 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:48:57,827 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2255 states and 6486 transitions. [2025-02-17 22:48:57,855 INFO L131 ngComponentsAnalysis]: Automaton has 159 accepting balls. 1128 [2025-02-17 22:48:57,883 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2255 states to 1900 states and 5528 transitions. [2025-02-17 22:48:57,884 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1407 [2025-02-17 22:48:57,891 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1608 [2025-02-17 22:48:57,892 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1900 states and 5528 transitions. [2025-02-17 22:48:57,893 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-17 22:48:57,893 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1900 states and 5528 transitions. [2025-02-17 22:48:57,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1900 states and 5528 transitions. [2025-02-17 22:48:57,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1900 to 977. [2025-02-17 22:48:57,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 977 states, 977 states have (on average 3.0798362333674514) internal successors, (3009), 976 states have internal predecessors, (3009), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-17 22:48:57,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 3009 transitions. [2025-02-17 22:48:57,988 INFO L240 hiAutomatonCegarLoop]: Abstraction has 977 states and 3009 transitions. [2025-02-17 22:48:57,988 INFO L432 stractBuchiCegarLoop]: Abstraction has 977 states and 3009 transitions. [2025-02-17 22:48:57,988 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-02-17 22:48:57,988 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 977 states and 3009 transitions. [2025-02-17 22:48:57,993 INFO L131 ngComponentsAnalysis]: Automaton has 73 accepting balls. 532 [2025-02-17 22:48:57,993 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-17 22:48:57,993 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-17 22:48:57,994 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2025-02-17 22:48:57,994 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-02-17 22:48:57,994 INFO L752 eck$LassoCheckResult]: Stem: "[148] $Ultimate##0-->$Ultimate##0: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0]" "[114] $Ultimate##0-->L32: Formula: (< v_b_3 1) InVars {b=v_b_3} OutVars{b=v_b_3} AuxVars[] AssignedVars[]" "[116] L32-->L36-2: Formula: (= (+ v_t1_3 1) 0) InVars {} OutVars{t1=v_t1_3} AuxVars[] AssignedVars[t1]" [2025-02-17 22:48:57,994 INFO L754 eck$LassoCheckResult]: Loop: "[118] L36-2-->L36: Formula: (<= v_x1_4 v_n_2) InVars {x1=v_x1_4, n=v_n_2} OutVars{x1=v_x1_4, n=v_n_2} AuxVars[] AssignedVars[]" "[120] L36-->L38: Formula: (<= 1 v_b_4) InVars {b=v_b_4} OutVars{b=v_b_4} AuxVars[] AssignedVars[]" "[122] L38-->L36-2: Formula: (= v_x1_5 (+ v_x1_6 v_t1_4)) InVars {t1=v_t1_4, x1=v_x1_6} OutVars{t1=v_t1_4, x1=v_x1_5} AuxVars[] AssignedVars[x1]" [2025-02-17 22:48:57,995 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:57,995 INFO L85 PathProgramCache]: Analyzing trace with hash 175669, now seen corresponding path program 1 times [2025-02-17 22:48:57,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:57,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658522829] [2025-02-17 22:48:57,995 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:57,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:57,999 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:58,000 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:58,000 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:58,000 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:58,000 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:58,001 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:58,001 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:58,001 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:58,001 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:58,006 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:58,006 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:58,006 INFO L85 PathProgramCache]: Analyzing trace with hash 147031, now seen corresponding path program 2 times [2025-02-17 22:48:58,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:58,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228766471] [2025-02-17 22:48:58,007 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-17 22:48:58,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:58,010 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:58,011 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:58,011 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-17 22:48:58,011 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:58,011 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:58,011 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:58,012 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:58,012 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:58,012 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:58,015 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:58,015 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:58,015 INFO L85 PathProgramCache]: Analyzing trace with hash 938505123, now seen corresponding path program 1 times [2025-02-17 22:48:58,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:58,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479591528] [2025-02-17 22:48:58,015 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:58,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:58,018 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-17 22:48:58,023 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-17 22:48:58,023 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:58,023 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:48:58,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-17 22:48:58,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-17 22:48:58,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479591528] [2025-02-17 22:48:58,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479591528] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-17 22:48:58,050 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-17 22:48:58,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-17 22:48:58,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112988941] [2025-02-17 22:48:58,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-17 22:48:58,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-17 22:48:58,074 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-17 22:48:58,075 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-17 22:48:58,075 INFO L87 Difference]: Start difference. First operand 977 states and 3009 transitions. cyclomatic complexity: 2136 Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-17 22:48:58,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-17 22:48:58,127 INFO L93 Difference]: Finished difference Result 1178 states and 3289 transitions. [2025-02-17 22:48:58,128 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1178 states and 3289 transitions. [2025-02-17 22:48:58,134 INFO L131 ngComponentsAnalysis]: Automaton has 128 accepting balls. 546 [2025-02-17 22:48:58,142 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1178 states to 1063 states and 2880 transitions. [2025-02-17 22:48:58,142 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 773 [2025-02-17 22:48:58,143 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 849 [2025-02-17 22:48:58,143 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1063 states and 2880 transitions. [2025-02-17 22:48:58,144 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-17 22:48:58,146 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1063 states and 2880 transitions. [2025-02-17 22:48:58,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1063 states and 2880 transitions. [2025-02-17 22:48:58,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1063 to 885. [2025-02-17 22:48:58,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 885 states, 885 states have (on average 2.6451977401129945) internal successors, (2341), 884 states have internal predecessors, (2341), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-17 22:48:58,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 885 states and 2341 transitions. [2025-02-17 22:48:58,166 INFO L240 hiAutomatonCegarLoop]: Abstraction has 885 states and 2341 transitions. [2025-02-17 22:48:58,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-17 22:48:58,167 INFO L432 stractBuchiCegarLoop]: Abstraction has 885 states and 2341 transitions. [2025-02-17 22:48:58,167 INFO L338 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2025-02-17 22:48:58,167 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 885 states and 2341 transitions. [2025-02-17 22:48:58,171 INFO L131 ngComponentsAnalysis]: Automaton has 113 accepting balls. 489 [2025-02-17 22:48:58,171 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-17 22:48:58,171 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-17 22:48:58,171 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2025-02-17 22:48:58,171 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-02-17 22:48:58,171 INFO L752 eck$LassoCheckResult]: Stem: "[148] $Ultimate##0-->$Ultimate##0: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0]" "[114] $Ultimate##0-->L32: Formula: (< v_b_3 1) InVars {b=v_b_3} OutVars{b=v_b_3} AuxVars[] AssignedVars[]" "[116] L32-->L36-2: Formula: (= (+ v_t1_3 1) 0) InVars {} OutVars{t1=v_t1_3} AuxVars[] AssignedVars[t1]" [2025-02-17 22:48:58,171 INFO L754 eck$LassoCheckResult]: Loop: "[118] L36-2-->L36: Formula: (<= v_x1_4 v_n_2) InVars {x1=v_x1_4, n=v_n_2} OutVars{x1=v_x1_4, n=v_n_2} AuxVars[] AssignedVars[]" "[121] L36-->L42: Formula: (< v_b_1 1) InVars {b=v_b_1} OutVars{b=v_b_1} AuxVars[] AssignedVars[]" "[123] L42-->L36-2: Formula: (= (+ v_x1_1 v_t1_1) v_x1_2) InVars {t1=v_t1_1, x1=v_x1_2} OutVars{t1=v_t1_1, x1=v_x1_1} AuxVars[] AssignedVars[x1]" [2025-02-17 22:48:58,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:58,172 INFO L85 PathProgramCache]: Analyzing trace with hash 175669, now seen corresponding path program 2 times [2025-02-17 22:48:58,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:58,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842564805] [2025-02-17 22:48:58,172 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-17 22:48:58,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:58,174 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:58,175 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:58,175 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-17 22:48:58,175 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:58,175 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:58,176 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:58,178 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:58,178 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:58,178 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:58,178 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:58,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:58,179 INFO L85 PathProgramCache]: Analyzing trace with hash 147063, now seen corresponding path program 1 times [2025-02-17 22:48:58,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:58,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465747469] [2025-02-17 22:48:58,179 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:58,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:58,181 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:58,182 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:58,182 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:58,182 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:58,182 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:58,183 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:58,183 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:58,183 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:58,183 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:58,184 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:58,184 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:58,184 INFO L85 PathProgramCache]: Analyzing trace with hash 938505155, now seen corresponding path program 1 times [2025-02-17 22:48:58,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:58,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244247816] [2025-02-17 22:48:58,184 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:58,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:58,187 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-17 22:48:58,188 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-17 22:48:58,188 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:58,188 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:58,188 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:58,188 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-17 22:48:58,189 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-17 22:48:58,189 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:58,189 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:58,190 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:58,225 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:48:58,225 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:48:58,225 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:48:58,225 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:48:58,225 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-02-17 22:48:58,225 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:58,225 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:48:58,225 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:48:58,225 INFO L132 ssoRankerPreferences]: Filename of dumped script: adfg_3_x_t_indep.c.bpl_petrified1_Iteration3_Lasso [2025-02-17 22:48:58,225 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:48:58,225 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:48:58,226 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:58,230 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:58,235 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:58,272 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:48:58,272 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-02-17 22:48:58,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:58,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:58,274 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 22:48:58,275 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 22:48:58,276 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:58,276 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:58,288 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:48:58,288 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread1Thread1of1ForFork0_thidvar0=0} Honda state: {thread1Thread1of1ForFork0_thidvar0=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:48:58,294 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2025-02-17 22:48:58,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:58,295 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:58,296 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 22:48:58,297 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 22:48:58,299 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:58,299 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:58,316 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 22:48:58,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:58,316 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:58,318 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:58,319 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2025-02-17 22:48:58,321 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-02-17 22:48:58,321 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:58,430 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-02-17 22:48:58,435 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2025-02-17 22:48:58,435 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:48:58,435 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:48:58,435 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:48:58,435 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:48:58,435 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-17 22:48:58,435 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:58,435 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:48:58,435 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:48:58,442 INFO L132 ssoRankerPreferences]: Filename of dumped script: adfg_3_x_t_indep.c.bpl_petrified1_Iteration3_Lasso [2025-02-17 22:48:58,443 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:48:58,443 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:48:58,443 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:58,449 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:58,451 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:58,478 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:48:58,478 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-17 22:48:58,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:58,478 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:58,480 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:58,481 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2025-02-17 22:48:58,481 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-17 22:48:58,491 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:48:58,492 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:48:58,492 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:48:58,492 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:48:58,495 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:48:58,495 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:48:58,500 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-17 22:48:58,505 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2025-02-17 22:48:58,505 INFO L444 ModelExtractionUtils]: 6 out of 13 variables were initially zero. Simplification set additionally 1 variables to zero. [2025-02-17 22:48:58,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:58,505 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:58,507 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:58,509 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2025-02-17 22:48:58,510 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-17 22:48:58,522 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2025-02-17 22:48:58,522 INFO L474 LassoAnalysis]: Proved termination. [2025-02-17 22:48:58,522 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(n, x1) = 2*n - 2*x1 + 1 Supporting invariants [-1*t1 - 1 >= 0] [2025-02-17 22:48:58,528 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2025-02-17 22:48:58,535 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2025-02-17 22:48:58,554 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:58,557 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:58,558 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:58,558 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:58,558 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:48:58,558 INFO L256 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-17 22:48:58,559 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:48:58,565 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:58,566 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:58,566 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:58,566 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:48:58,566 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-17 22:48:58,566 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:48:58,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-17 22:48:58,591 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2025-02-17 22:48:58,591 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 885 states and 2341 transitions. cyclomatic complexity: 1598 Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-17 22:48:58,673 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 885 states and 2341 transitions. cyclomatic complexity: 1598. 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 1515 states and 3969 transitions. Complement of second has 6 states. [2025-02-17 22:48:58,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2025-02-17 22:48:58,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-17 22:48:58,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 92 transitions. [2025-02-17 22:48:58,674 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 92 transitions. Stem has 3 letters. Loop has 3 letters. [2025-02-17 22:48:58,674 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:48:58,674 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 92 transitions. Stem has 6 letters. Loop has 3 letters. [2025-02-17 22:48:58,674 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:48:58,674 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 92 transitions. Stem has 3 letters. Loop has 6 letters. [2025-02-17 22:48:58,675 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:48:58,675 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1515 states and 3969 transitions. [2025-02-17 22:48:58,684 INFO L131 ngComponentsAnalysis]: Automaton has 150 accepting balls. 636 [2025-02-17 22:48:58,693 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1515 states to 1355 states and 3573 transitions. [2025-02-17 22:48:58,693 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 870 [2025-02-17 22:48:58,697 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 979 [2025-02-17 22:48:58,697 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1355 states and 3573 transitions. [2025-02-17 22:48:58,697 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-17 22:48:58,697 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1355 states and 3573 transitions. [2025-02-17 22:48:58,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1355 states and 3573 transitions. [2025-02-17 22:48:58,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1355 to 1153. [2025-02-17 22:48:58,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1153 states, 1153 states have (on average 2.7059843885516046) internal successors, (3120), 1152 states have internal predecessors, (3120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-17 22:48:58,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1153 states to 1153 states and 3120 transitions. [2025-02-17 22:48:58,718 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1153 states and 3120 transitions. [2025-02-17 22:48:58,719 INFO L432 stractBuchiCegarLoop]: Abstraction has 1153 states and 3120 transitions. [2025-02-17 22:48:58,719 INFO L338 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2025-02-17 22:48:58,719 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1153 states and 3120 transitions. [2025-02-17 22:48:58,722 INFO L131 ngComponentsAnalysis]: Automaton has 129 accepting balls. 555 [2025-02-17 22:48:58,723 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-17 22:48:58,723 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-17 22:48:58,723 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2025-02-17 22:48:58,723 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-02-17 22:48:58,723 INFO L752 eck$LassoCheckResult]: Stem: "[148] $Ultimate##0-->$Ultimate##0: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0]" "[113] $Ultimate##0-->L28: Formula: (<= 1 v_b_2) InVars {b=v_b_2} OutVars{b=v_b_2} AuxVars[] AssignedVars[]" "[115] L28-->L36-2: Formula: (= v_t1_2 1) InVars {} OutVars{t1=v_t1_2} AuxVars[] AssignedVars[t1]" "[118] L36-2-->L36: Formula: (<= v_x1_4 v_n_2) InVars {x1=v_x1_4, n=v_n_2} OutVars{x1=v_x1_4, n=v_n_2} AuxVars[] AssignedVars[]" "[121] L36-->L42: Formula: (< v_b_1 1) InVars {b=v_b_1} OutVars{b=v_b_1} AuxVars[] AssignedVars[]" [2025-02-17 22:48:58,723 INFO L754 eck$LassoCheckResult]: Loop: "[123] L42-->L36-2: Formula: (= (+ v_x1_1 v_t1_1) v_x1_2) InVars {t1=v_t1_1, x1=v_x1_2} OutVars{t1=v_t1_1, x1=v_x1_1} AuxVars[] AssignedVars[x1]" "[118] L36-2-->L36: Formula: (<= v_x1_4 v_n_2) InVars {x1=v_x1_4, n=v_n_2} OutVars{x1=v_x1_4, n=v_n_2} AuxVars[] AssignedVars[]" "[121] L36-->L42: Formula: (< v_b_1 1) InVars {b=v_b_1} OutVars{b=v_b_1} AuxVars[] AssignedVars[]" [2025-02-17 22:48:58,726 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:58,726 INFO L85 PathProgramCache]: Analyzing trace with hash 168790936, now seen corresponding path program 1 times [2025-02-17 22:48:58,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:58,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724576834] [2025-02-17 22:48:58,726 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:58,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:58,728 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-17 22:48:58,729 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-17 22:48:58,729 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:58,729 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:48:58,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-17 22:48:58,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-17 22:48:58,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724576834] [2025-02-17 22:48:58,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724576834] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-17 22:48:58,741 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-17 22:48:58,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-17 22:48:58,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271753358] [2025-02-17 22:48:58,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-17 22:48:58,741 INFO L757 eck$LassoCheckResult]: stem already infeasible [2025-02-17 22:48:58,742 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:58,742 INFO L85 PathProgramCache]: Analyzing trace with hash 151773, now seen corresponding path program 2 times [2025-02-17 22:48:58,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:58,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443723501] [2025-02-17 22:48:58,742 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-17 22:48:58,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:58,744 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:58,744 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:58,744 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-17 22:48:58,744 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:58,745 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:58,745 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:58,746 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:58,746 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:58,746 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:58,747 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:58,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-17 22:48:58,767 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-17 22:48:58,767 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-17 22:48:58,767 INFO L87 Difference]: Start difference. First operand 1153 states and 3120 transitions. cyclomatic complexity: 2142 Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-17 22:48:58,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-17 22:48:58,799 INFO L93 Difference]: Finished difference Result 774 states and 2020 transitions. [2025-02-17 22:48:58,799 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 774 states and 2020 transitions. [2025-02-17 22:48:58,803 INFO L131 ngComponentsAnalysis]: Automaton has 73 accepting balls. 291 [2025-02-17 22:48:58,807 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 774 states to 749 states and 1953 transitions. [2025-02-17 22:48:58,807 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 426 [2025-02-17 22:48:58,809 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 426 [2025-02-17 22:48:58,809 INFO L73 IsDeterministic]: Start isDeterministic. Operand 749 states and 1953 transitions. [2025-02-17 22:48:58,809 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-17 22:48:58,809 INFO L218 hiAutomatonCegarLoop]: Abstraction has 749 states and 1953 transitions. [2025-02-17 22:48:58,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 749 states and 1953 transitions. [2025-02-17 22:48:58,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 749 to 749. [2025-02-17 22:48:58,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 749 states, 749 states have (on average 2.607476635514019) internal successors, (1953), 748 states have internal predecessors, (1953), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-17 22:48:58,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 749 states and 1953 transitions. [2025-02-17 22:48:58,822 INFO L240 hiAutomatonCegarLoop]: Abstraction has 749 states and 1953 transitions. [2025-02-17 22:48:58,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-17 22:48:58,823 INFO L432 stractBuchiCegarLoop]: Abstraction has 749 states and 1953 transitions. [2025-02-17 22:48:58,823 INFO L338 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2025-02-17 22:48:58,823 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 749 states and 1953 transitions. [2025-02-17 22:48:58,825 INFO L131 ngComponentsAnalysis]: Automaton has 73 accepting balls. 291 [2025-02-17 22:48:58,825 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-17 22:48:58,826 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-17 22:48:58,826 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-02-17 22:48:58,826 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-02-17 22:48:58,827 INFO L752 eck$LassoCheckResult]: Stem: "[148] $Ultimate##0-->$Ultimate##0: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0]" "[113] $Ultimate##0-->L28: Formula: (<= 1 v_b_2) InVars {b=v_b_2} OutVars{b=v_b_2} AuxVars[] AssignedVars[]" "[115] L28-->L36-2: Formula: (= v_t1_2 1) InVars {} OutVars{t1=v_t1_2} AuxVars[] AssignedVars[t1]" "[117] L36-2-->thread1FINAL: Formula: (< v_n_1 v_x1_3) InVars {x1=v_x1_3, n=v_n_1} OutVars{x1=v_x1_3, n=v_n_1} AuxVars[] AssignedVars[]" "[119] thread1FINAL-->thread1EXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[]" "[151] L15-->$Ultimate##0: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1]" "[124] $Ultimate##0-->L52: Formula: (<= 1 v_b_7) InVars {b=v_b_7} OutVars{b=v_b_7} AuxVars[] AssignedVars[]" "[126] L52-->L60-2: Formula: (= v_t2_3 1) InVars {} OutVars{t2=v_t2_3} AuxVars[] AssignedVars[t2]" [2025-02-17 22:48:58,827 INFO L754 eck$LassoCheckResult]: Loop: "[129] L60-2-->L60: Formula: (<= v_x2_1 v_n_3) InVars {x2=v_x2_1, n=v_n_3} OutVars{x2=v_x2_1, n=v_n_3} AuxVars[] AssignedVars[]" "[131] L60-->L62: Formula: (<= 1 v_b_5) InVars {b=v_b_5} OutVars{b=v_b_5} AuxVars[] AssignedVars[]" "[133] L62-->L60-2: Formula: (= (+ v_x2_3 v_t2_1) v_x2_2) InVars {t2=v_t2_1, x2=v_x2_3} OutVars{t2=v_t2_1, x2=v_x2_2} AuxVars[] AssignedVars[x2]" [2025-02-17 22:48:58,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:58,827 INFO L85 PathProgramCache]: Analyzing trace with hash -956763262, now seen corresponding path program 1 times [2025-02-17 22:48:58,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:58,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823967406] [2025-02-17 22:48:58,827 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:58,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:58,831 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-17 22:48:58,834 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-17 22:48:58,834 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:58,834 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:58,835 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:58,836 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-17 22:48:58,838 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-17 22:48:58,839 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:58,839 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:58,840 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:58,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:58,840 INFO L85 PathProgramCache]: Analyzing trace with hash 157954, now seen corresponding path program 1 times [2025-02-17 22:48:58,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:58,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605533929] [2025-02-17 22:48:58,840 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:58,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:58,844 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:58,845 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:58,845 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:58,845 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:58,845 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:58,846 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:58,848 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:58,848 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:58,848 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:58,850 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:58,851 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:58,851 INFO L85 PathProgramCache]: Analyzing trace with hash -1531233823, now seen corresponding path program 1 times [2025-02-17 22:48:58,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:58,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209170650] [2025-02-17 22:48:58,851 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:58,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:58,854 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-02-17 22:48:58,857 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-02-17 22:48:58,857 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:58,857 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:58,858 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:58,858 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-02-17 22:48:58,859 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-02-17 22:48:58,860 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:58,860 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:58,861 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:58,907 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:48:58,908 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:48:58,908 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:48:58,908 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:48:58,908 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-02-17 22:48:58,908 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:58,908 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:48:58,908 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:48:58,908 INFO L132 ssoRankerPreferences]: Filename of dumped script: adfg_3_x_t_indep.c.bpl_petrified1_Iteration5_Lasso [2025-02-17 22:48:58,908 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:48:58,908 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:48:58,909 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:58,913 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:58,915 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:58,924 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:58,926 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:58,929 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:58,982 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:48:58,982 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-02-17 22:48:58,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:58,982 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:58,985 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:58,986 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2025-02-17 22:48:58,987 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:58,987 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:59,005 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:48:59,005 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {b=1} Honda state: {b=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:48:59,011 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 22:48:59,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:59,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:59,013 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 22:48:59,014 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 22:48:59,014 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:59,014 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:59,026 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:48:59,026 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 22:48:59,031 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 22:48:59,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:59,032 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:59,033 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 22:48:59,034 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 22:48:59,035 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:59,035 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:59,051 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2025-02-17 22:48:59,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:59,051 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:59,053 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 22:48:59,054 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 22:48:59,055 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-02-17 22:48:59,055 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:59,203 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-02-17 22:48:59,209 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 22:48:59,209 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:48:59,210 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:48:59,210 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:48:59,210 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:48:59,210 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-17 22:48:59,210 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:59,210 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:48:59,210 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:48:59,210 INFO L132 ssoRankerPreferences]: Filename of dumped script: adfg_3_x_t_indep.c.bpl_petrified1_Iteration5_Lasso [2025-02-17 22:48:59,210 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:48:59,210 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:48:59,211 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:59,213 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:59,220 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:59,222 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:59,231 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:59,237 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:59,290 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:48:59,290 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-17 22:48:59,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:59,291 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:59,292 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 22:48:59,294 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 22:48:59,295 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-17 22:48:59,305 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:48:59,306 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:48:59,306 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:48:59,306 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:48:59,307 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:48:59,307 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:48:59,334 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:48:59,340 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2025-02-17 22:48:59,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:59,341 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:59,343 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 22:48:59,344 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 22:48:59,344 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 22:48:59,347 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-17 22:48:59,358 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:48:59,358 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:48:59,358 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:48:59,358 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:48:59,361 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:48:59,361 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:48:59,366 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:48:59,372 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2025-02-17 22:48:59,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:59,372 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:59,374 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:59,375 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2025-02-17 22:48:59,377 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-17 22:48:59,387 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:48:59,387 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:48:59,387 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:48:59,387 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:48:59,388 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:48:59,388 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:48:59,391 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:48:59,396 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2025-02-17 22:48:59,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:59,397 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:59,398 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:59,400 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2025-02-17 22:48:59,401 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-17 22:48:59,411 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:48:59,412 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:48:59,412 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:48:59,412 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:48:59,414 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:48:59,414 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:48:59,420 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-17 22:48:59,426 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2025-02-17 22:48:59,426 INFO L444 ModelExtractionUtils]: 9 out of 16 variables were initially zero. Simplification set additionally 1 variables to zero. [2025-02-17 22:48:59,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:59,427 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:59,428 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:59,430 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2025-02-17 22:48:59,431 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-17 22:48:59,442 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2025-02-17 22:48:59,442 INFO L474 LassoAnalysis]: Proved termination. [2025-02-17 22:48:59,442 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(n, x2) = 2*n - 2*x2 + 1 Supporting invariants [1*t2 - 1 >= 0] [2025-02-17 22:48:59,448 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2025-02-17 22:48:59,453 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2025-02-17 22:48:59,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:59,474 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-17 22:48:59,476 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-17 22:48:59,476 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:59,476 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:48:59,476 INFO L256 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-17 22:48:59,477 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:48:59,490 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:59,491 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:59,491 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:59,491 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:48:59,491 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-17 22:48:59,492 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:48:59,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-17 22:48:59,516 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2025-02-17 22:48:59,516 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 749 states and 1953 transitions. cyclomatic complexity: 1311 Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-17 22:48:59,580 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 749 states and 1953 transitions. cyclomatic complexity: 1311. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 1311 states and 3637 transitions. Complement of second has 6 states. [2025-02-17 22:48:59,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2025-02-17 22:48:59,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-17 22:48:59,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 85 transitions. [2025-02-17 22:48:59,581 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 85 transitions. Stem has 8 letters. Loop has 3 letters. [2025-02-17 22:48:59,581 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:48:59,581 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 85 transitions. Stem has 11 letters. Loop has 3 letters. [2025-02-17 22:48:59,581 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:48:59,581 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 85 transitions. Stem has 8 letters. Loop has 6 letters. [2025-02-17 22:48:59,581 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:48:59,581 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1311 states and 3637 transitions. [2025-02-17 22:48:59,589 INFO L131 ngComponentsAnalysis]: Automaton has 55 accepting balls. 201 [2025-02-17 22:48:59,595 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1311 states to 990 states and 2736 transitions. [2025-02-17 22:48:59,595 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 425 [2025-02-17 22:48:59,596 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 500 [2025-02-17 22:48:59,596 INFO L73 IsDeterministic]: Start isDeterministic. Operand 990 states and 2736 transitions. [2025-02-17 22:48:59,596 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-17 22:48:59,596 INFO L218 hiAutomatonCegarLoop]: Abstraction has 990 states and 2736 transitions. [2025-02-17 22:48:59,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 990 states and 2736 transitions. [2025-02-17 22:48:59,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 990 to 918. [2025-02-17 22:48:59,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 918 states, 918 states have (on average 2.7908496732026142) internal successors, (2562), 917 states have internal predecessors, (2562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-17 22:48:59,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 918 states to 918 states and 2562 transitions. [2025-02-17 22:48:59,612 INFO L240 hiAutomatonCegarLoop]: Abstraction has 918 states and 2562 transitions. [2025-02-17 22:48:59,612 INFO L432 stractBuchiCegarLoop]: Abstraction has 918 states and 2562 transitions. [2025-02-17 22:48:59,612 INFO L338 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2025-02-17 22:48:59,612 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 918 states and 2562 transitions. [2025-02-17 22:48:59,615 INFO L131 ngComponentsAnalysis]: Automaton has 55 accepting balls. 201 [2025-02-17 22:48:59,615 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-17 22:48:59,615 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-17 22:48:59,615 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-02-17 22:48:59,615 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-02-17 22:48:59,616 INFO L752 eck$LassoCheckResult]: Stem: "[148] $Ultimate##0-->$Ultimate##0: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0]" "[114] $Ultimate##0-->L32: Formula: (< v_b_3 1) InVars {b=v_b_3} OutVars{b=v_b_3} AuxVars[] AssignedVars[]" "[116] L32-->L36-2: Formula: (= (+ v_t1_3 1) 0) InVars {} OutVars{t1=v_t1_3} AuxVars[] AssignedVars[t1]" "[117] L36-2-->thread1FINAL: Formula: (< v_n_1 v_x1_3) InVars {x1=v_x1_3, n=v_n_1} OutVars{x1=v_x1_3, n=v_n_1} AuxVars[] AssignedVars[]" "[119] thread1FINAL-->thread1EXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[]" "[151] L15-->$Ultimate##0: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1]" "[125] $Ultimate##0-->L56: Formula: (< v_b_8 1) InVars {b=v_b_8} OutVars{b=v_b_8} AuxVars[] AssignedVars[]" "[127] L56-->L60-2: Formula: (= (+ v_t2_4 1) 0) InVars {} OutVars{t2=v_t2_4} AuxVars[] AssignedVars[t2]" [2025-02-17 22:48:59,616 INFO L754 eck$LassoCheckResult]: Loop: "[129] L60-2-->L60: Formula: (<= v_x2_1 v_n_3) InVars {x2=v_x2_1, n=v_n_3} OutVars{x2=v_x2_1, n=v_n_3} AuxVars[] AssignedVars[]" "[132] L60-->L66: Formula: (< v_b_6 1) InVars {b=v_b_6} OutVars{b=v_b_6} AuxVars[] AssignedVars[]" "[134] L66-->L60-2: Formula: (= v_x2_5 (+ v_x2_4 v_t2_2)) InVars {t2=v_t2_2, x2=v_x2_5} OutVars{t2=v_t2_2, x2=v_x2_4} AuxVars[] AssignedVars[x2]" [2025-02-17 22:48:59,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:59,616 INFO L85 PathProgramCache]: Analyzing trace with hash -40630398, now seen corresponding path program 1 times [2025-02-17 22:48:59,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:59,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801345850] [2025-02-17 22:48:59,616 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:59,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:59,620 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-17 22:48:59,623 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-17 22:48:59,623 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:59,623 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:59,623 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:59,624 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-17 22:48:59,625 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-17 22:48:59,625 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:59,625 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:59,626 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:59,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:59,626 INFO L85 PathProgramCache]: Analyzing trace with hash 157986, now seen corresponding path program 1 times [2025-02-17 22:48:59,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:59,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739761072] [2025-02-17 22:48:59,627 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:59,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:59,630 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:59,631 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:59,631 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:59,631 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:59,631 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:59,631 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:59,632 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:59,632 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:59,632 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:59,633 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:59,633 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:59,633 INFO L85 PathProgramCache]: Analyzing trace with hash 760718849, now seen corresponding path program 1 times [2025-02-17 22:48:59,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:59,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886727345] [2025-02-17 22:48:59,634 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:59,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:59,636 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-02-17 22:48:59,639 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-02-17 22:48:59,639 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:59,639 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:59,639 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:59,640 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-02-17 22:48:59,641 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-02-17 22:48:59,641 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:59,641 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:59,644 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:59,698 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:48:59,698 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:48:59,698 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:48:59,698 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:48:59,698 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-02-17 22:48:59,698 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:59,698 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:48:59,698 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:48:59,698 INFO L132 ssoRankerPreferences]: Filename of dumped script: adfg_3_x_t_indep.c.bpl_petrified1_Iteration6_Lasso [2025-02-17 22:48:59,698 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:48:59,698 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:48:59,699 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:59,701 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:59,704 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:59,711 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:59,713 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:59,715 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:59,758 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:48:59,758 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-02-17 22:48:59,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:59,759 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:59,760 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:59,762 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2025-02-17 22:48:59,763 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:59,763 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:59,775 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:48:59,775 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread1Thread1of1ForFork0_thidvar0=0} Honda state: {thread1Thread1of1ForFork0_thidvar0=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:48:59,781 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2025-02-17 22:48:59,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:59,781 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:59,783 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:59,785 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2025-02-17 22:48:59,786 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:59,786 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:59,796 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:48:59,797 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 22:48:59,804 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2025-02-17 22:48:59,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:59,804 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:59,806 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:59,808 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2025-02-17 22:48:59,810 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:59,810 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:59,828 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2025-02-17 22:48:59,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:59,829 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:59,831 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:59,832 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2025-02-17 22:48:59,834 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-02-17 22:48:59,834 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:59,966 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-02-17 22:48:59,972 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2025-02-17 22:48:59,972 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:48:59,972 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:48:59,972 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:48:59,972 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:48:59,972 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-17 22:48:59,972 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:59,972 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:48:59,972 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:48:59,972 INFO L132 ssoRankerPreferences]: Filename of dumped script: adfg_3_x_t_indep.c.bpl_petrified1_Iteration6_Lasso [2025-02-17 22:48:59,972 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:48:59,972 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:48:59,973 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:59,976 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:59,978 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:59,980 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:59,986 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:59,988 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:00,034 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:49:00,034 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-17 22:49:00,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:00,034 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:00,039 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 22:49:00,040 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 22:49:00,040 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-17 22:49:00,050 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:49:00,050 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:49:00,050 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:49:00,050 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:49:00,052 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:49:00,052 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:49:00,054 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:49:00,060 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2025-02-17 22:49:00,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:00,060 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:00,062 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 22:49:00,063 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 22:49:00,065 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-17 22:49:00,075 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:49:00,075 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:49:00,076 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:49:00,076 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:49:00,077 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:49:00,077 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:49:00,080 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:49:00,087 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 22:49:00,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:00,087 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:00,089 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 22:49:00,091 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 22:49:00,092 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-17 22:49:00,102 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:49:00,102 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:49:00,102 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:49:00,102 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:49:00,103 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:49:00,103 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:49:00,107 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:49:00,112 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 22:49:00,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:00,113 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:00,114 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 22:49:00,115 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 22:49:00,116 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-17 22:49:00,125 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:49:00,125 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:49:00,125 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:49:00,125 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:49:00,128 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:49:00,128 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:49:00,132 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-17 22:49:00,136 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2025-02-17 22:49:00,136 INFO L444 ModelExtractionUtils]: 9 out of 16 variables were initially zero. Simplification set additionally 1 variables to zero. [2025-02-17 22:49:00,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:00,137 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:00,138 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 22:49:00,140 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 22:49:00,141 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-17 22:49:00,152 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2025-02-17 22:49:00,153 INFO L474 LassoAnalysis]: Proved termination. [2025-02-17 22:49:00,153 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(n, x2) = 2*n - 2*x2 + 1 Supporting invariants [-1*t2 - 1 >= 0] [2025-02-17 22:49:00,158 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2025-02-17 22:49:00,164 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2025-02-17 22:49:00,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:49:00,182 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-17 22:49:00,183 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-17 22:49:00,183 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:49:00,183 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:49:00,184 INFO L256 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-17 22:49:00,184 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:49:00,192 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:49:00,192 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:49:00,192 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:49:00,192 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:49:00,192 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-17 22:49:00,193 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:49:00,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-17 22:49:00,216 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2025-02-17 22:49:00,216 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 918 states and 2562 transitions. cyclomatic complexity: 1754 Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-17 22:49:00,290 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 918 states and 2562 transitions. cyclomatic complexity: 1754. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 1489 states and 4253 transitions. Complement of second has 6 states. [2025-02-17 22:49:00,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2025-02-17 22:49:00,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-17 22:49:00,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 85 transitions. [2025-02-17 22:49:00,292 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 85 transitions. Stem has 8 letters. Loop has 3 letters. [2025-02-17 22:49:00,292 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:49:00,292 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 85 transitions. Stem has 11 letters. Loop has 3 letters. [2025-02-17 22:49:00,292 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:49:00,292 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 85 transitions. Stem has 8 letters. Loop has 6 letters. [2025-02-17 22:49:00,292 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:49:00,292 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1489 states and 4253 transitions. [2025-02-17 22:49:00,300 INFO L131 ngComponentsAnalysis]: Automaton has 37 accepting balls. 111 [2025-02-17 22:49:00,304 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2025-02-17 22:49:00,306 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1489 states to 1164 states and 3322 transitions. [2025-02-17 22:49:00,306 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 428 [2025-02-17 22:49:00,307 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 508 [2025-02-17 22:49:00,307 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1164 states and 3322 transitions. [2025-02-17 22:49:00,307 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-17 22:49:00,307 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1164 states and 3322 transitions. [2025-02-17 22:49:00,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1164 states and 3322 transitions. [2025-02-17 22:49:00,314 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 22:49:00,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1164 to 1087. [2025-02-17 22:49:00,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1087 states, 1087 states have (on average 2.8840846366145354) internal successors, (3135), 1086 states have internal predecessors, (3135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-17 22:49:00,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1087 states to 1087 states and 3135 transitions. [2025-02-17 22:49:00,324 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1087 states and 3135 transitions. [2025-02-17 22:49:00,324 INFO L432 stractBuchiCegarLoop]: Abstraction has 1087 states and 3135 transitions. [2025-02-17 22:49:00,324 INFO L338 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2025-02-17 22:49:00,324 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1087 states and 3135 transitions. [2025-02-17 22:49:00,327 INFO L131 ngComponentsAnalysis]: Automaton has 37 accepting balls. 111 [2025-02-17 22:49:00,327 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-17 22:49:00,327 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-17 22:49:00,328 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-17 22:49:00,328 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-02-17 22:49:00,328 INFO L752 eck$LassoCheckResult]: Stem: "[148] $Ultimate##0-->$Ultimate##0: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0]" "[113] $Ultimate##0-->L28: Formula: (<= 1 v_b_2) InVars {b=v_b_2} OutVars{b=v_b_2} AuxVars[] AssignedVars[]" "[115] L28-->L36-2: Formula: (= v_t1_2 1) InVars {} OutVars{t1=v_t1_2} AuxVars[] AssignedVars[t1]" "[118] L36-2-->L36: Formula: (<= v_x1_4 v_n_2) InVars {x1=v_x1_4, n=v_n_2} OutVars{x1=v_x1_4, n=v_n_2} AuxVars[] AssignedVars[]" "[120] L36-->L38: Formula: (<= 1 v_b_4) InVars {b=v_b_4} OutVars{b=v_b_4} AuxVars[] AssignedVars[]" "[151] L15-->$Ultimate##0: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1]" "[124] $Ultimate##0-->L52: Formula: (<= 1 v_b_7) InVars {b=v_b_7} OutVars{b=v_b_7} AuxVars[] AssignedVars[]" "[126] L52-->L60-2: Formula: (= v_t2_3 1) InVars {} OutVars{t2=v_t2_3} AuxVars[] AssignedVars[t2]" "[154] L16-->$Ultimate##0: Formula: (and (= 3 v_thread3Thread1of1ForFork2_thidvar0_2) (= 3 v_thread3Thread1of1ForFork2_thidvar1_2) (= 3 v_thread3Thread1of1ForFork2_thidvar2_2)) InVars {} OutVars{thread3Thread1of1ForFork2_thidvar2=v_thread3Thread1of1ForFork2_thidvar2_2, thread3Thread1of1ForFork2_thidvar1=v_thread3Thread1of1ForFork2_thidvar1_2, thread3Thread1of1ForFork2_thidvar0=v_thread3Thread1of1ForFork2_thidvar0_2} AuxVars[] AssignedVars[thread3Thread1of1ForFork2_thidvar2, thread3Thread1of1ForFork2_thidvar1, thread3Thread1of1ForFork2_thidvar0]" "[135] $Ultimate##0-->L76: Formula: (<= 1 v_b_12) InVars {b=v_b_12} OutVars{b=v_b_12} AuxVars[] AssignedVars[]" "[137] L76-->L84-2: Formula: (= v_t3_4 1) InVars {} OutVars{t3=v_t3_4} AuxVars[] AssignedVars[t3]" [2025-02-17 22:49:00,328 INFO L754 eck$LassoCheckResult]: Loop: "[140] L84-2-->L84: Formula: (<= v_x3_2 v_n_6) InVars {n=v_n_6, x3=v_x3_2} OutVars{n=v_n_6, x3=v_x3_2} AuxVars[] AssignedVars[]" "[142] L84-->L86: Formula: (<= 1 v_b_10) InVars {b=v_b_10} OutVars{b=v_b_10} AuxVars[] AssignedVars[]" "[144] L86-->L84-2: Formula: (= v_x3_3 (+ v_x3_4 v_t3_2)) InVars {t3=v_t3_2, x3=v_x3_4} OutVars{t3=v_t3_2, x3=v_x3_3} AuxVars[] AssignedVars[x3]" [2025-02-17 22:49:00,328 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:49:00,328 INFO L85 PathProgramCache]: Analyzing trace with hash 1099104346, now seen corresponding path program 1 times [2025-02-17 22:49:00,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:49:00,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96617572] [2025-02-17 22:49:00,329 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:49:00,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:49:00,331 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-02-17 22:49:00,333 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-02-17 22:49:00,333 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:49:00,333 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:49:00,333 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:49:00,335 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-02-17 22:49:00,337 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-02-17 22:49:00,337 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:49:00,337 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:49:00,338 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:49:00,338 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:49:00,338 INFO L85 PathProgramCache]: Analyzing trace with hash 168877, now seen corresponding path program 1 times [2025-02-17 22:49:00,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:49:00,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97499914] [2025-02-17 22:49:00,338 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:49:00,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:49:00,343 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:49:00,344 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:49:00,344 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:49:00,344 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:49:00,344 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:49:00,345 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:49:00,345 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:49:00,345 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:49:00,345 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:49:00,347 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:49:00,348 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:49:00,348 INFO L85 PathProgramCache]: Analyzing trace with hash -1412953932, now seen corresponding path program 1 times [2025-02-17 22:49:00,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:49:00,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782237839] [2025-02-17 22:49:00,348 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:49:00,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:49:00,349 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-02-17 22:49:00,354 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-02-17 22:49:00,354 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:49:00,354 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:49:00,354 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:49:00,355 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-02-17 22:49:00,356 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-02-17 22:49:00,356 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:49:00,356 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:49:00,361 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:49:00,430 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:49:00,430 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:49:00,430 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:49:00,430 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:49:00,430 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-02-17 22:49:00,430 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:00,430 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:49:00,430 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:49:00,430 INFO L132 ssoRankerPreferences]: Filename of dumped script: adfg_3_x_t_indep.c.bpl_petrified1_Iteration7_Lasso [2025-02-17 22:49:00,430 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:49:00,430 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:49:00,431 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:00,433 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:00,435 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:00,436 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:00,438 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:00,440 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:00,442 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:00,444 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:00,449 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:00,451 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:00,515 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:49:00,515 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-02-17 22:49:00,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:00,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:00,517 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:00,519 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2025-02-17 22:49:00,519 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:49:00,519 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:49:00,531 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:49:00,532 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread3Thread1of1ForFork2_thidvar1=0} Honda state: {thread3Thread1of1ForFork2_thidvar1=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:49:00,537 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2025-02-17 22:49:00,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:00,537 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:00,539 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:00,540 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2025-02-17 22:49:00,542 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:49:00,542 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:49:00,553 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:49:00,554 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread3Thread1of1ForFork2_thidvar0=0} Honda state: {thread3Thread1of1ForFork2_thidvar0=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:49:00,561 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2025-02-17 22:49:00,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:00,561 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:00,563 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:00,564 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2025-02-17 22:49:00,565 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:49:00,565 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:49:00,578 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:49:00,578 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread1Thread1of1ForFork0_thidvar0=0} Honda state: {thread1Thread1of1ForFork0_thidvar0=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:49:00,583 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2025-02-17 22:49:00,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:00,584 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:00,586 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:00,586 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2025-02-17 22:49:00,589 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:49:00,589 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:49:00,600 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:49:00,600 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {t1=0} Honda state: {t1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:49:00,605 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 22:49:00,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:00,606 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:00,607 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:00,608 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2025-02-17 22:49:00,610 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:49:00,610 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:49:00,627 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:49:00,627 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {b=1} Honda state: {b=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:49:00,633 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2025-02-17 22:49:00,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:00,633 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:00,635 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:00,636 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2025-02-17 22:49:00,637 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:49:00,637 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:49:00,649 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:49:00,649 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread3Thread1of1ForFork2_thidvar2=0} Honda state: {thread3Thread1of1ForFork2_thidvar2=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:49:00,655 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2025-02-17 22:49:00,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:00,656 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:00,657 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:00,659 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2025-02-17 22:49:00,660 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:49:00,660 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:49:00,674 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:49:00,674 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {t2=0} Honda state: {t2=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:49:00,679 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2025-02-17 22:49:00,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:00,680 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:00,682 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:00,682 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2025-02-17 22:49:00,685 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:49:00,685 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:49:00,709 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2025-02-17 22:49:00,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:00,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:00,712 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:00,712 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2025-02-17 22:49:00,715 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-02-17 22:49:00,715 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:49:00,876 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-02-17 22:49:00,883 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2025-02-17 22:49:00,883 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:49:00,883 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:49:00,883 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:49:00,883 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:49:00,883 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-17 22:49:00,883 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:00,883 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:49:00,883 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:49:00,883 INFO L132 ssoRankerPreferences]: Filename of dumped script: adfg_3_x_t_indep.c.bpl_petrified1_Iteration7_Lasso [2025-02-17 22:49:00,883 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:49:00,883 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:49:00,884 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:00,887 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:00,889 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:00,892 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:00,894 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:00,896 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:00,898 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:00,900 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:00,902 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:00,909 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:00,970 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:49:00,970 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-17 22:49:00,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:00,970 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:00,972 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:00,973 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2025-02-17 22:49:00,974 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-17 22:49:00,984 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:49:00,984 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:49:00,984 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:49:00,984 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:49:00,986 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:49:00,986 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:49:00,989 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:49:00,995 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2025-02-17 22:49:00,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:00,996 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:00,998 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:00,999 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2025-02-17 22:49:01,000 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-17 22:49:01,010 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:49:01,010 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:49:01,010 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:49:01,010 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:49:01,012 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:49:01,012 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:49:01,014 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:49:01,019 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2025-02-17 22:49:01,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:01,019 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:01,021 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:01,022 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2025-02-17 22:49:01,022 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-17 22:49:01,032 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:49:01,032 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:49:01,032 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:49:01,032 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:49:01,033 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:49:01,033 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:49:01,036 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:49:01,041 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2025-02-17 22:49:01,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:01,042 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:01,043 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:01,044 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2025-02-17 22:49:01,045 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-17 22:49:01,055 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:49:01,055 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:49:01,055 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:49:01,055 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:49:01,057 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:49:01,057 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:49:01,059 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:49:01,064 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2025-02-17 22:49:01,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:01,064 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:01,066 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:01,067 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2025-02-17 22:49:01,069 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-17 22:49:01,078 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:49:01,078 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:49:01,078 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:49:01,078 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:49:01,080 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:49:01,080 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:49:01,088 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:49:01,093 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2025-02-17 22:49:01,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:01,093 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:01,095 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:01,096 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2025-02-17 22:49:01,098 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-17 22:49:01,107 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:49:01,108 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:49:01,108 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:49:01,108 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:49:01,109 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:49:01,109 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:49:01,113 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:49:01,119 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2025-02-17 22:49:01,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:01,119 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:01,137 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:01,139 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2025-02-17 22:49:01,141 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-17 22:49:01,151 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:49:01,151 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:49:01,151 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:49:01,151 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:49:01,152 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:49:01,152 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:49:01,168 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:49:01,173 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2025-02-17 22:49:01,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:01,173 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:01,175 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:01,175 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2025-02-17 22:49:01,176 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-17 22:49:01,186 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:49:01,186 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:49:01,186 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:49:01,186 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:49:01,191 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:49:01,191 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:49:01,193 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:49:01,198 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2025-02-17 22:49:01,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:01,199 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:01,200 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:01,201 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2025-02-17 22:49:01,202 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-17 22:49:01,213 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:49:01,213 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:49:01,213 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:49:01,213 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:49:01,215 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:49:01,215 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:49:01,220 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-17 22:49:01,224 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2025-02-17 22:49:01,224 INFO L444 ModelExtractionUtils]: 9 out of 16 variables were initially zero. Simplification set additionally 1 variables to zero. [2025-02-17 22:49:01,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:01,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:01,226 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:01,228 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2025-02-17 22:49:01,229 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-17 22:49:01,240 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2025-02-17 22:49:01,240 INFO L474 LassoAnalysis]: Proved termination. [2025-02-17 22:49:01,240 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(n, x3) = 2*n - 2*x3 + 1 Supporting invariants [1*t3 - 1 >= 0] [2025-02-17 22:49:01,246 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2025-02-17 22:49:01,249 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2025-02-17 22:49:01,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:49:01,270 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-02-17 22:49:01,272 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-02-17 22:49:01,273 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:49:01,273 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:49:01,273 INFO L256 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-17 22:49:01,273 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:49:01,285 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:49:01,286 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:49:01,286 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:49:01,286 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:49:01,286 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-17 22:49:01,286 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:49:01,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-17 22:49:01,306 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2025-02-17 22:49:01,306 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1087 states and 3135 transitions. cyclomatic complexity: 2161 Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-17 22:49:01,379 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1087 states and 3135 transitions. cyclomatic complexity: 2161. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 1709 states and 5120 transitions. Complement of second has 6 states. [2025-02-17 22:49:01,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2025-02-17 22:49:01,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-17 22:49:01,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 76 transitions. [2025-02-17 22:49:01,383 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 76 transitions. Stem has 11 letters. Loop has 3 letters. [2025-02-17 22:49:01,384 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:49:01,384 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 76 transitions. Stem has 14 letters. Loop has 3 letters. [2025-02-17 22:49:01,384 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:49:01,384 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 76 transitions. Stem has 11 letters. Loop has 6 letters. [2025-02-17 22:49:01,384 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:49:01,384 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1709 states and 5120 transitions. [2025-02-17 22:49:01,389 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2025-02-17 22:49:01,395 INFO L131 ngComponentsAnalysis]: Automaton has 19 accepting balls. 57 [2025-02-17 22:49:01,398 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1709 states to 544 states and 1545 transitions. [2025-02-17 22:49:01,398 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 216 [2025-02-17 22:49:01,398 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 216 [2025-02-17 22:49:01,398 INFO L73 IsDeterministic]: Start isDeterministic. Operand 544 states and 1545 transitions. [2025-02-17 22:49:01,398 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-17 22:49:01,398 INFO L218 hiAutomatonCegarLoop]: Abstraction has 544 states and 1545 transitions. [2025-02-17 22:49:01,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 544 states and 1545 transitions. [2025-02-17 22:49:01,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 544 to 544. [2025-02-17 22:49:01,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 544 states, 544 states have (on average 2.8400735294117645) internal successors, (1545), 543 states have internal predecessors, (1545), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-17 22:49:01,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 544 states and 1545 transitions. [2025-02-17 22:49:01,406 INFO L240 hiAutomatonCegarLoop]: Abstraction has 544 states and 1545 transitions. [2025-02-17 22:49:01,406 INFO L432 stractBuchiCegarLoop]: Abstraction has 544 states and 1545 transitions. [2025-02-17 22:49:01,406 INFO L338 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2025-02-17 22:49:01,406 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 544 states and 1545 transitions. [2025-02-17 22:49:01,408 INFO L131 ngComponentsAnalysis]: Automaton has 19 accepting balls. 57 [2025-02-17 22:49:01,408 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-17 22:49:01,408 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-17 22:49:01,408 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-17 22:49:01,408 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-02-17 22:49:01,409 INFO L752 eck$LassoCheckResult]: Stem: "[148] $Ultimate##0-->$Ultimate##0: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0]" "[114] $Ultimate##0-->L32: Formula: (< v_b_3 1) InVars {b=v_b_3} OutVars{b=v_b_3} AuxVars[] AssignedVars[]" "[116] L32-->L36-2: Formula: (= (+ v_t1_3 1) 0) InVars {} OutVars{t1=v_t1_3} AuxVars[] AssignedVars[t1]" "[117] L36-2-->thread1FINAL: Formula: (< v_n_1 v_x1_3) InVars {x1=v_x1_3, n=v_n_1} OutVars{x1=v_x1_3, n=v_n_1} AuxVars[] AssignedVars[]" "[119] thread1FINAL-->thread1EXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[]" "[151] L15-->$Ultimate##0: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1]" "[125] $Ultimate##0-->L56: Formula: (< v_b_8 1) InVars {b=v_b_8} OutVars{b=v_b_8} AuxVars[] AssignedVars[]" "[127] L56-->L60-2: Formula: (= (+ v_t2_4 1) 0) InVars {} OutVars{t2=v_t2_4} AuxVars[] AssignedVars[t2]" "[128] L60-2-->thread2FINAL: Formula: (< v_n_4 v_x2_6) InVars {x2=v_x2_6, n=v_n_4} OutVars{x2=v_x2_6, n=v_n_4} AuxVars[] AssignedVars[]" "[130] thread2FINAL-->thread2EXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[]" "[154] L16-->$Ultimate##0: Formula: (and (= 3 v_thread3Thread1of1ForFork2_thidvar0_2) (= 3 v_thread3Thread1of1ForFork2_thidvar1_2) (= 3 v_thread3Thread1of1ForFork2_thidvar2_2)) InVars {} OutVars{thread3Thread1of1ForFork2_thidvar2=v_thread3Thread1of1ForFork2_thidvar2_2, thread3Thread1of1ForFork2_thidvar1=v_thread3Thread1of1ForFork2_thidvar1_2, thread3Thread1of1ForFork2_thidvar0=v_thread3Thread1of1ForFork2_thidvar0_2} AuxVars[] AssignedVars[thread3Thread1of1ForFork2_thidvar2, thread3Thread1of1ForFork2_thidvar1, thread3Thread1of1ForFork2_thidvar0]" "[136] $Ultimate##0-->L80: Formula: (< v_b_9 1) InVars {b=v_b_9} OutVars{b=v_b_9} AuxVars[] AssignedVars[]" "[138] L80-->L84-2: Formula: (= (+ v_t3_1 1) 0) InVars {} OutVars{t3=v_t3_1} AuxVars[] AssignedVars[t3]" [2025-02-17 22:49:01,409 INFO L754 eck$LassoCheckResult]: Loop: "[140] L84-2-->L84: Formula: (<= v_x3_2 v_n_6) InVars {n=v_n_6, x3=v_x3_2} OutVars{n=v_n_6, x3=v_x3_2} AuxVars[] AssignedVars[]" "[143] L84-->L90: Formula: (< v_b_11 1) InVars {b=v_b_11} OutVars{b=v_b_11} AuxVars[] AssignedVars[]" "[145] L90-->L84-2: Formula: (= v_x3_6 (+ v_x3_5 v_t3_3)) InVars {t3=v_t3_3, x3=v_x3_6} OutVars{t3=v_t3_3, x3=v_x3_5} AuxVars[] AssignedVars[x3]" [2025-02-17 22:49:01,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:49:01,409 INFO L85 PathProgramCache]: Analyzing trace with hash 905414040, now seen corresponding path program 1 times [2025-02-17 22:49:01,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:49:01,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176994339] [2025-02-17 22:49:01,409 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:49:01,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:49:01,412 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-02-17 22:49:01,415 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-02-17 22:49:01,415 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:49:01,415 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:49:01,415 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:49:01,417 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-02-17 22:49:01,418 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-02-17 22:49:01,418 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:49:01,418 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:49:01,419 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:49:01,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:49:01,419 INFO L85 PathProgramCache]: Analyzing trace with hash 168909, now seen corresponding path program 1 times [2025-02-17 22:49:01,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:49:01,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963893747] [2025-02-17 22:49:01,423 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:49:01,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:49:01,425 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:49:01,426 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:49:01,426 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:49:01,426 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:49:01,426 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:49:01,426 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:49:01,427 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:49:01,427 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:49:01,427 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:49:01,427 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:49:01,429 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:49:01,429 INFO L85 PathProgramCache]: Analyzing trace with hash 795185878, now seen corresponding path program 1 times [2025-02-17 22:49:01,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:49:01,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296575740] [2025-02-17 22:49:01,429 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:49:01,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:49:01,431 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-02-17 22:49:01,432 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-02-17 22:49:01,432 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:49:01,432 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:49:01,432 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:49:01,435 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-02-17 22:49:01,438 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-02-17 22:49:01,438 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:49:01,438 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:49:01,440 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:49:01,507 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:49:01,507 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:49:01,507 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:49:01,507 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:49:01,507 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-02-17 22:49:01,507 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:01,507 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:49:01,507 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:49:01,507 INFO L132 ssoRankerPreferences]: Filename of dumped script: adfg_3_x_t_indep.c.bpl_petrified1_Iteration8_Lasso [2025-02-17 22:49:01,507 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:49:01,507 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:49:01,508 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:01,510 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:01,512 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:01,514 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:01,516 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:01,518 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:01,520 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:01,521 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:01,523 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:01,525 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:01,597 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:49:01,597 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-02-17 22:49:01,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:01,597 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:01,600 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:01,601 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2025-02-17 22:49:01,602 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:49:01,602 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:49:01,612 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:49:01,613 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread2Thread1of1ForFork1_thidvar0=0} Honda state: {thread2Thread1of1ForFork1_thidvar0=2} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:49:01,618 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2025-02-17 22:49:01,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:01,618 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:01,620 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:01,621 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2025-02-17 22:49:01,621 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:49:01,621 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:49:01,638 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:49:01,638 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {b=0} Honda state: {b=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:49:01,643 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2025-02-17 22:49:01,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:01,643 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:01,645 INFO L229 MonitoredProcess]: Starting monitored process 51 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:01,645 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2025-02-17 22:49:01,646 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:49:01,646 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:49:01,663 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:49:01,663 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {t1=0} Honda state: {t1=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:49:01,668 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2025-02-17 22:49:01,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:01,668 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:01,670 INFO L229 MonitoredProcess]: Starting monitored process 52 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:01,671 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2025-02-17 22:49:01,673 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:49:01,673 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:49:01,690 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:49:01,690 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {t2=0} Honda state: {t2=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:49:01,695 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2025-02-17 22:49:01,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:01,695 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:01,697 INFO L229 MonitoredProcess]: Starting monitored process 53 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:01,697 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2025-02-17 22:49:01,698 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:49:01,698 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:49:01,708 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:49:01,708 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread3Thread1of1ForFork2_thidvar0=0} Honda state: {thread3Thread1of1ForFork2_thidvar0=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:49:01,713 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2025-02-17 22:49:01,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:01,714 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:01,715 INFO L229 MonitoredProcess]: Starting monitored process 54 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:01,716 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2025-02-17 22:49:01,717 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:49:01,717 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:49:01,741 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:49:01,742 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread1Thread1of1ForFork0_thidvar0=0} Honda state: {thread1Thread1of1ForFork0_thidvar0=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:49:01,746 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2025-02-17 22:49:01,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:01,747 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:01,748 INFO L229 MonitoredProcess]: Starting monitored process 55 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:01,750 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2025-02-17 22:49:01,751 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:49:01,751 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:49:01,761 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:49:01,761 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 22:49:01,766 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2025-02-17 22:49:01,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:01,766 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:01,791 INFO L229 MonitoredProcess]: Starting monitored process 56 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:01,791 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2025-02-17 22:49:01,792 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:49:01,792 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:49:01,817 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:49:01,817 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread3Thread1of1ForFork2_thidvar1=0} Honda state: {thread3Thread1of1ForFork2_thidvar1=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:49:01,822 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2025-02-17 22:49:01,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:01,823 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:01,825 INFO L229 MonitoredProcess]: Starting monitored process 57 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:01,827 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2025-02-17 22:49:01,828 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:49:01,828 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:49:01,838 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:49:01,838 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread3Thread1of1ForFork2_thidvar2=0} Honda state: {thread3Thread1of1ForFork2_thidvar2=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:49:01,843 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2025-02-17 22:49:01,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:01,843 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:01,845 INFO L229 MonitoredProcess]: Starting monitored process 58 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:01,846 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2025-02-17 22:49:01,846 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:49:01,846 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:49:01,862 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2025-02-17 22:49:01,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:01,862 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:01,864 INFO L229 MonitoredProcess]: Starting monitored process 59 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:01,865 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2025-02-17 22:49:01,866 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-02-17 22:49:01,866 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:49:01,989 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-02-17 22:49:01,994 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2025-02-17 22:49:01,994 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:49:01,994 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:49:01,994 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:49:01,994 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:49:01,994 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-17 22:49:01,994 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:01,994 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:49:01,994 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:49:01,994 INFO L132 ssoRankerPreferences]: Filename of dumped script: adfg_3_x_t_indep.c.bpl_petrified1_Iteration8_Lasso [2025-02-17 22:49:01,994 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:49:01,995 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:49:01,995 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:01,997 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:01,999 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:02,001 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:02,005 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:02,007 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:02,008 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:02,014 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:02,016 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:02,021 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:02,084 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:49:02,084 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-17 22:49:02,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:02,084 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:02,086 INFO L229 MonitoredProcess]: Starting monitored process 60 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:02,086 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2025-02-17 22:49:02,087 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-17 22:49:02,097 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:49:02,097 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:49:02,097 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:49:02,097 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:49:02,098 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:49:02,098 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:49:02,100 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:49:02,107 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2025-02-17 22:49:02,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:02,107 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:02,109 INFO L229 MonitoredProcess]: Starting monitored process 61 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:02,110 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2025-02-17 22:49:02,111 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-17 22:49:02,121 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:49:02,121 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:49:02,121 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:49:02,121 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:49:02,122 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:49:02,122 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:49:02,124 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:49:02,130 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2025-02-17 22:49:02,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:02,130 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:02,132 INFO L229 MonitoredProcess]: Starting monitored process 62 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:02,132 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2025-02-17 22:49:02,134 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-17 22:49:02,144 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:49:02,144 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:49:02,144 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:49:02,144 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:49:02,145 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:49:02,145 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:49:02,147 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:49:02,152 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2025-02-17 22:49:02,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:02,153 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:02,154 INFO L229 MonitoredProcess]: Starting monitored process 63 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:02,155 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2025-02-17 22:49:02,156 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-17 22:49:02,166 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:49:02,166 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:49:02,166 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:49:02,166 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:49:02,167 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:49:02,167 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:49:02,170 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:49:02,176 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2025-02-17 22:49:02,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:02,176 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:02,178 INFO L229 MonitoredProcess]: Starting monitored process 64 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:02,179 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2025-02-17 22:49:02,181 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-17 22:49:02,190 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:49:02,190 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:49:02,190 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:49:02,190 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:49:02,191 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:49:02,191 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:49:02,194 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:49:02,199 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2025-02-17 22:49:02,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:02,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:02,202 INFO L229 MonitoredProcess]: Starting monitored process 65 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:02,203 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2025-02-17 22:49:02,204 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-17 22:49:02,214 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:49:02,214 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:49:02,214 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:49:02,214 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:49:02,215 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:49:02,215 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:49:02,217 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:49:02,222 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2025-02-17 22:49:02,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:02,223 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:02,224 INFO L229 MonitoredProcess]: Starting monitored process 66 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:02,225 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2025-02-17 22:49:02,226 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-17 22:49:02,235 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:49:02,236 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:49:02,236 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:49:02,236 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:49:02,237 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:49:02,237 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:49:02,242 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-17 22:49:02,248 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2025-02-17 22:49:02,248 INFO L444 ModelExtractionUtils]: 7 out of 19 variables were initially zero. Simplification set additionally 4 variables to zero. [2025-02-17 22:49:02,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:02,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:02,249 INFO L229 MonitoredProcess]: Starting monitored process 67 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:02,250 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2025-02-17 22:49:02,251 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-17 22:49:02,262 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 2. [2025-02-17 22:49:02,262 INFO L474 LassoAnalysis]: Proved termination. [2025-02-17 22:49:02,262 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(x2, x3) = 1*x2 - 1*x3 Supporting invariants [-1*t3 - 1 >= 0, -2*n + 2*x2 - 1 >= 0] [2025-02-17 22:49:02,268 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2025-02-17 22:49:02,276 INFO L156 tatePredicateManager]: 0 out of 2 supporting invariants were superfluous and have been removed [2025-02-17 22:49:02,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:49:02,295 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-02-17 22:49:02,298 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-02-17 22:49:02,299 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:49:02,299 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:49:02,299 INFO L256 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-17 22:49:02,299 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:49:02,335 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:49:02,336 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:49:02,336 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:49:02,336 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:49:02,337 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-17 22:49:02,337 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:49:02,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-17 22:49:02,358 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2025-02-17 22:49:02,358 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 544 states and 1545 transitions. cyclomatic complexity: 1058 Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-17 22:49:02,426 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 544 states and 1545 transitions. cyclomatic complexity: 1058. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 773 states and 2115 transitions. Complement of second has 9 states. [2025-02-17 22:49:02,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 2 non-accepting loop states 2 accepting loop states [2025-02-17 22:49:02,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-17 22:49:02,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 56 transitions. [2025-02-17 22:49:02,427 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 56 transitions. Stem has 13 letters. Loop has 3 letters. [2025-02-17 22:49:02,427 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:49:02,427 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 56 transitions. Stem has 16 letters. Loop has 3 letters. [2025-02-17 22:49:02,427 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:49:02,427 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 56 transitions. Stem has 13 letters. Loop has 6 letters. [2025-02-17 22:49:02,427 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:49:02,428 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 773 states and 2115 transitions. [2025-02-17 22:49:02,431 INFO L131 ngComponentsAnalysis]: Automaton has 19 accepting balls. 57 [2025-02-17 22:49:02,433 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 773 states to 552 states and 1543 transitions. [2025-02-17 22:49:02,434 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 203 [2025-02-17 22:49:02,434 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 218 [2025-02-17 22:49:02,434 INFO L73 IsDeterministic]: Start isDeterministic. Operand 552 states and 1543 transitions. [2025-02-17 22:49:02,434 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-17 22:49:02,434 INFO L218 hiAutomatonCegarLoop]: Abstraction has 552 states and 1543 transitions. [2025-02-17 22:49:02,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 552 states and 1543 transitions. [2025-02-17 22:49:02,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 552 to 498. [2025-02-17 22:49:02,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 498 states, 498 states have (on average 2.853413654618474) internal successors, (1421), 497 states have internal predecessors, (1421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-17 22:49:02,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 498 states and 1421 transitions. [2025-02-17 22:49:02,454 INFO L240 hiAutomatonCegarLoop]: Abstraction has 498 states and 1421 transitions. [2025-02-17 22:49:02,454 INFO L432 stractBuchiCegarLoop]: Abstraction has 498 states and 1421 transitions. [2025-02-17 22:49:02,454 INFO L338 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2025-02-17 22:49:02,454 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 498 states and 1421 transitions. [2025-02-17 22:49:02,456 INFO L131 ngComponentsAnalysis]: Automaton has 19 accepting balls. 57 [2025-02-17 22:49:02,456 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-17 22:49:02,457 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-17 22:49:02,457 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-17 22:49:02,457 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-02-17 22:49:02,457 INFO L752 eck$LassoCheckResult]: Stem: "[148] $Ultimate##0-->$Ultimate##0: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0]" "[114] $Ultimate##0-->L32: Formula: (< v_b_3 1) InVars {b=v_b_3} OutVars{b=v_b_3} AuxVars[] AssignedVars[]" "[116] L32-->L36-2: Formula: (= (+ v_t1_3 1) 0) InVars {} OutVars{t1=v_t1_3} AuxVars[] AssignedVars[t1]" "[118] L36-2-->L36: Formula: (<= v_x1_4 v_n_2) InVars {x1=v_x1_4, n=v_n_2} OutVars{x1=v_x1_4, n=v_n_2} AuxVars[] AssignedVars[]" "[121] L36-->L42: Formula: (< v_b_1 1) InVars {b=v_b_1} OutVars{b=v_b_1} AuxVars[] AssignedVars[]" "[151] L15-->$Ultimate##0: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1]" "[125] $Ultimate##0-->L56: Formula: (< v_b_8 1) InVars {b=v_b_8} OutVars{b=v_b_8} AuxVars[] AssignedVars[]" "[154] L16-->$Ultimate##0: Formula: (and (= 3 v_thread3Thread1of1ForFork2_thidvar0_2) (= 3 v_thread3Thread1of1ForFork2_thidvar1_2) (= 3 v_thread3Thread1of1ForFork2_thidvar2_2)) InVars {} OutVars{thread3Thread1of1ForFork2_thidvar2=v_thread3Thread1of1ForFork2_thidvar2_2, thread3Thread1of1ForFork2_thidvar1=v_thread3Thread1of1ForFork2_thidvar1_2, thread3Thread1of1ForFork2_thidvar0=v_thread3Thread1of1ForFork2_thidvar0_2} AuxVars[] AssignedVars[thread3Thread1of1ForFork2_thidvar2, thread3Thread1of1ForFork2_thidvar1, thread3Thread1of1ForFork2_thidvar0]" "[136] $Ultimate##0-->L80: Formula: (< v_b_9 1) InVars {b=v_b_9} OutVars{b=v_b_9} AuxVars[] AssignedVars[]" "[123] L42-->L36-2: Formula: (= (+ v_x1_1 v_t1_1) v_x1_2) InVars {t1=v_t1_1, x1=v_x1_2} OutVars{t1=v_t1_1, x1=v_x1_1} AuxVars[] AssignedVars[x1]" "[117] L36-2-->thread1FINAL: Formula: (< v_n_1 v_x1_3) InVars {x1=v_x1_3, n=v_n_1} OutVars{x1=v_x1_3, n=v_n_1} AuxVars[] AssignedVars[]" "[127] L56-->L60-2: Formula: (= (+ v_t2_4 1) 0) InVars {} OutVars{t2=v_t2_4} AuxVars[] AssignedVars[t2]" "[129] L60-2-->L60: Formula: (<= v_x2_1 v_n_3) InVars {x2=v_x2_1, n=v_n_3} OutVars{x2=v_x2_1, n=v_n_3} AuxVars[] AssignedVars[]" "[138] L80-->L84-2: Formula: (= (+ v_t3_1 1) 0) InVars {} OutVars{t3=v_t3_1} AuxVars[] AssignedVars[t3]" [2025-02-17 22:49:02,457 INFO L754 eck$LassoCheckResult]: Loop: "[140] L84-2-->L84: Formula: (<= v_x3_2 v_n_6) InVars {n=v_n_6, x3=v_x3_2} OutVars{n=v_n_6, x3=v_x3_2} AuxVars[] AssignedVars[]" "[143] L84-->L90: Formula: (< v_b_11 1) InVars {b=v_b_11} OutVars{b=v_b_11} AuxVars[] AssignedVars[]" "[145] L90-->L84-2: Formula: (= v_x3_6 (+ v_x3_5 v_t3_3)) InVars {t3=v_t3_3, x3=v_x3_6} OutVars{t3=v_t3_3, x3=v_x3_5} AuxVars[] AssignedVars[x3]" [2025-02-17 22:49:02,458 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:49:02,458 INFO L85 PathProgramCache]: Analyzing trace with hash -1477693790, now seen corresponding path program 1 times [2025-02-17 22:49:02,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:49:02,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56179693] [2025-02-17 22:49:02,458 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:49:02,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:49:02,460 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-02-17 22:49:02,461 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2025-02-17 22:49:02,461 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-02-17 22:49:02,461 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:49:02,461 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:49:02,461 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:49:02,462 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-02-17 22:49:02,463 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-02-17 22:49:02,463 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:49:02,463 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:49:02,464 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:49:02,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:49:02,464 INFO L85 PathProgramCache]: Analyzing trace with hash 168909, now seen corresponding path program 2 times [2025-02-17 22:49:02,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:49:02,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209261933] [2025-02-17 22:49:02,465 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-17 22:49:02,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:49:02,466 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:49:02,466 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:49:02,466 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-17 22:49:02,466 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:49:02,466 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:49:02,466 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:49:02,467 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:49:02,467 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:49:02,467 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:49:02,467 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:49:02,468 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:49:02,468 INFO L85 PathProgramCache]: Analyzing trace with hash 1439225228, now seen corresponding path program 1 times [2025-02-17 22:49:02,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:49:02,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159894804] [2025-02-17 22:49:02,468 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:49:02,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:49:02,469 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-02-17 22:49:02,471 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-02-17 22:49:02,471 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:49:02,471 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:49:02,471 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:49:02,471 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-02-17 22:49:02,473 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-02-17 22:49:02,473 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:49:02,473 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:49:02,474 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:49:02,565 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:49:02,565 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:49:02,565 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:49:02,565 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:49:02,565 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-02-17 22:49:02,565 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:02,565 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:49:02,565 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:49:02,565 INFO L132 ssoRankerPreferences]: Filename of dumped script: adfg_3_x_t_indep.c.bpl_petrified1_Iteration9_Lasso [2025-02-17 22:49:02,565 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:49:02,565 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:49:02,566 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:02,568 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:02,570 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:02,571 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:02,574 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:02,576 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:02,579 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:02,581 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:02,583 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:02,596 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:02,691 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:49:02,692 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-02-17 22:49:02,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:02,692 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:02,693 INFO L229 MonitoredProcess]: Starting monitored process 68 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:02,694 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2025-02-17 22:49:02,695 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:49:02,695 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:49:02,711 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:49:02,712 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {t2=0} Honda state: {t2=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:49:02,717 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2025-02-17 22:49:02,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:02,717 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:02,718 INFO L229 MonitoredProcess]: Starting monitored process 69 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:02,719 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2025-02-17 22:49:02,720 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:49:02,720 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:49:02,730 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:49:02,730 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 22:49:02,735 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2025-02-17 22:49:02,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:02,735 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:02,766 INFO L229 MonitoredProcess]: Starting monitored process 70 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:02,769 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2025-02-17 22:49:02,769 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:49:02,769 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:49:02,779 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:49:02,779 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 22:49:02,784 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2025-02-17 22:49:02,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:02,785 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:02,786 INFO L229 MonitoredProcess]: Starting monitored process 71 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:02,787 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2025-02-17 22:49:02,788 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:49:02,788 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:49:02,804 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:49:02,804 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {b=0} Honda state: {b=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:49:02,809 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Ended with exit code 0 [2025-02-17 22:49:02,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:02,810 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:02,811 INFO L229 MonitoredProcess]: Starting monitored process 72 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:02,812 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2025-02-17 22:49:02,813 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:49:02,813 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:49:02,823 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:49:02,824 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread2Thread1of1ForFork1_thidvar0=0} Honda state: {thread2Thread1of1ForFork1_thidvar0=2} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:49:02,829 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2025-02-17 22:49:02,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:02,829 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:02,831 INFO L229 MonitoredProcess]: Starting monitored process 73 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:02,831 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2025-02-17 22:49:02,832 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:49:02,832 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:49:02,843 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:49:02,843 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread3Thread1of1ForFork2_thidvar2=0} Honda state: {thread3Thread1of1ForFork2_thidvar2=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:49:02,851 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2025-02-17 22:49:02,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:02,851 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:02,852 INFO L229 MonitoredProcess]: Starting monitored process 74 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:02,853 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2025-02-17 22:49:02,854 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:49:02,854 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:49:02,871 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:49:02,871 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {t1=0} Honda state: {t1=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:49:02,876 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2025-02-17 22:49:02,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:02,876 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:02,878 INFO L229 MonitoredProcess]: Starting monitored process 75 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:02,878 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2025-02-17 22:49:02,879 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:49:02,879 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:49:02,890 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:49:02,890 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread3Thread1of1ForFork2_thidvar1=0} Honda state: {thread3Thread1of1ForFork2_thidvar1=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:49:02,895 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Ended with exit code 0 [2025-02-17 22:49:02,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:02,895 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:02,897 INFO L229 MonitoredProcess]: Starting monitored process 76 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:02,898 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2025-02-17 22:49:02,898 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:49:02,898 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:49:02,921 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Ended with exit code 0 [2025-02-17 22:49:02,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:02,922 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:02,923 INFO L229 MonitoredProcess]: Starting monitored process 77 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:02,924 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2025-02-17 22:49:02,925 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-02-17 22:49:02,925 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:49:03,058 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-02-17 22:49:03,064 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Ended with exit code 0 [2025-02-17 22:49:03,064 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:49:03,064 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:49:03,064 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:49:03,064 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:49:03,064 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-17 22:49:03,064 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:03,064 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:49:03,064 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:49:03,064 INFO L132 ssoRankerPreferences]: Filename of dumped script: adfg_3_x_t_indep.c.bpl_petrified1_Iteration9_Lasso [2025-02-17 22:49:03,064 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:49:03,064 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:49:03,065 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:03,067 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:03,069 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:03,077 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:03,079 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:03,081 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:03,082 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:03,084 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:03,085 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:03,087 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:03,160 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:49:03,161 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-17 22:49:03,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:03,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:03,162 INFO L229 MonitoredProcess]: Starting monitored process 78 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:03,163 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2025-02-17 22:49:03,164 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-17 22:49:03,173 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:49:03,173 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:49:03,173 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:49:03,173 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:49:03,174 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:49:03,174 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:49:03,177 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:49:03,182 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Forceful destruction successful, exit code 0 [2025-02-17 22:49:03,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:03,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:03,184 INFO L229 MonitoredProcess]: Starting monitored process 79 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:03,185 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2025-02-17 22:49:03,186 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-17 22:49:03,196 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:49:03,196 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:49:03,196 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:49:03,196 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:49:03,197 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:49:03,197 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:49:03,199 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:49:03,204 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Ended with exit code 0 [2025-02-17 22:49:03,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:03,204 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:03,206 INFO L229 MonitoredProcess]: Starting monitored process 80 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:03,207 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2025-02-17 22:49:03,208 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-17 22:49:03,217 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:49:03,217 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:49:03,217 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:49:03,217 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:49:03,219 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:49:03,219 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:49:03,224 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-17 22:49:03,232 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2025-02-17 22:49:03,232 INFO L444 ModelExtractionUtils]: 6 out of 19 variables were initially zero. Simplification set additionally 5 variables to zero. [2025-02-17 22:49:03,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:03,232 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:03,234 INFO L229 MonitoredProcess]: Starting monitored process 81 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:03,234 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2025-02-17 22:49:03,235 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-17 22:49:03,245 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 2. [2025-02-17 22:49:03,245 INFO L474 LassoAnalysis]: Proved termination. [2025-02-17 22:49:03,245 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(x1, x3) = 1*x1 - 1*x3 Supporting invariants [-1*t3 - 1 >= 0, 1*x1 - 1*n - 1 >= 0] [2025-02-17 22:49:03,250 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Ended with exit code 0 [2025-02-17 22:49:03,257 INFO L156 tatePredicateManager]: 0 out of 2 supporting invariants were superfluous and have been removed [2025-02-17 22:49:03,275 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:49:03,281 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-02-17 22:49:03,283 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-02-17 22:49:03,284 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:49:03,284 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:49:03,284 INFO L256 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-17 22:49:03,284 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:49:03,308 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:49:03,309 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:49:03,309 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:49:03,309 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:49:03,309 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-17 22:49:03,310 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:49:03,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-17 22:49:03,332 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2025-02-17 22:49:03,332 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 498 states and 1421 transitions. cyclomatic complexity: 976 Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-17 22:49:03,403 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 498 states and 1421 transitions. cyclomatic complexity: 976. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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 754 states and 2036 transitions. Complement of second has 9 states. [2025-02-17 22:49:03,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 2 non-accepting loop states 2 accepting loop states [2025-02-17 22:49:03,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-17 22:49:03,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 55 transitions. [2025-02-17 22:49:03,404 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 55 transitions. Stem has 14 letters. Loop has 3 letters. [2025-02-17 22:49:03,404 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:49:03,404 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 55 transitions. Stem has 17 letters. Loop has 3 letters. [2025-02-17 22:49:03,404 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:49:03,404 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 55 transitions. Stem has 14 letters. Loop has 6 letters. [2025-02-17 22:49:03,404 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:49:03,405 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 754 states and 2036 transitions. [2025-02-17 22:49:03,407 INFO L131 ngComponentsAnalysis]: Automaton has 19 accepting balls. 57 [2025-02-17 22:49:03,413 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 754 states to 502 states and 1438 transitions. [2025-02-17 22:49:03,413 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 180 [2025-02-17 22:49:03,414 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 191 [2025-02-17 22:49:03,414 INFO L73 IsDeterministic]: Start isDeterministic. Operand 502 states and 1438 transitions. [2025-02-17 22:49:03,414 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-17 22:49:03,414 INFO L218 hiAutomatonCegarLoop]: Abstraction has 502 states and 1438 transitions. [2025-02-17 22:49:03,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 502 states and 1438 transitions. [2025-02-17 22:49:03,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 502 to 460. [2025-02-17 22:49:03,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 460 states, 460 states have (on average 2.9065217391304348) internal successors, (1337), 459 states have internal predecessors, (1337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-17 22:49:03,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 1337 transitions. [2025-02-17 22:49:03,421 INFO L240 hiAutomatonCegarLoop]: Abstraction has 460 states and 1337 transitions. [2025-02-17 22:49:03,421 INFO L432 stractBuchiCegarLoop]: Abstraction has 460 states and 1337 transitions. [2025-02-17 22:49:03,421 INFO L338 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2025-02-17 22:49:03,421 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 460 states and 1337 transitions. [2025-02-17 22:49:03,422 INFO L131 ngComponentsAnalysis]: Automaton has 19 accepting balls. 57 [2025-02-17 22:49:03,422 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-17 22:49:03,422 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-17 22:49:03,422 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-17 22:49:03,422 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-02-17 22:49:03,423 INFO L752 eck$LassoCheckResult]: Stem: "[148] $Ultimate##0-->$Ultimate##0: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0]" "[114] $Ultimate##0-->L32: Formula: (< v_b_3 1) InVars {b=v_b_3} OutVars{b=v_b_3} AuxVars[] AssignedVars[]" "[116] L32-->L36-2: Formula: (= (+ v_t1_3 1) 0) InVars {} OutVars{t1=v_t1_3} AuxVars[] AssignedVars[t1]" "[118] L36-2-->L36: Formula: (<= v_x1_4 v_n_2) InVars {x1=v_x1_4, n=v_n_2} OutVars{x1=v_x1_4, n=v_n_2} AuxVars[] AssignedVars[]" "[121] L36-->L42: Formula: (< v_b_1 1) InVars {b=v_b_1} OutVars{b=v_b_1} AuxVars[] AssignedVars[]" "[151] L15-->$Ultimate##0: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1]" "[125] $Ultimate##0-->L56: Formula: (< v_b_8 1) InVars {b=v_b_8} OutVars{b=v_b_8} AuxVars[] AssignedVars[]" "[154] L16-->$Ultimate##0: Formula: (and (= 3 v_thread3Thread1of1ForFork2_thidvar0_2) (= 3 v_thread3Thread1of1ForFork2_thidvar1_2) (= 3 v_thread3Thread1of1ForFork2_thidvar2_2)) InVars {} OutVars{thread3Thread1of1ForFork2_thidvar2=v_thread3Thread1of1ForFork2_thidvar2_2, thread3Thread1of1ForFork2_thidvar1=v_thread3Thread1of1ForFork2_thidvar1_2, thread3Thread1of1ForFork2_thidvar0=v_thread3Thread1of1ForFork2_thidvar0_2} AuxVars[] AssignedVars[thread3Thread1of1ForFork2_thidvar2, thread3Thread1of1ForFork2_thidvar1, thread3Thread1of1ForFork2_thidvar0]" "[136] $Ultimate##0-->L80: Formula: (< v_b_9 1) InVars {b=v_b_9} OutVars{b=v_b_9} AuxVars[] AssignedVars[]" "[123] L42-->L36-2: Formula: (= (+ v_x1_1 v_t1_1) v_x1_2) InVars {t1=v_t1_1, x1=v_x1_2} OutVars{t1=v_t1_1, x1=v_x1_1} AuxVars[] AssignedVars[x1]" "[138] L80-->L84-2: Formula: (= (+ v_t3_1 1) 0) InVars {} OutVars{t3=v_t3_1} AuxVars[] AssignedVars[t3]" "[117] L36-2-->thread1FINAL: Formula: (< v_n_1 v_x1_3) InVars {x1=v_x1_3, n=v_n_1} OutVars{x1=v_x1_3, n=v_n_1} AuxVars[] AssignedVars[]" "[127] L56-->L60-2: Formula: (= (+ v_t2_4 1) 0) InVars {} OutVars{t2=v_t2_4} AuxVars[] AssignedVars[t2]" "[128] L60-2-->thread2FINAL: Formula: (< v_n_4 v_x2_6) InVars {x2=v_x2_6, n=v_n_4} OutVars{x2=v_x2_6, n=v_n_4} AuxVars[] AssignedVars[]" [2025-02-17 22:49:03,423 INFO L754 eck$LassoCheckResult]: Loop: "[140] L84-2-->L84: Formula: (<= v_x3_2 v_n_6) InVars {n=v_n_6, x3=v_x3_2} OutVars{n=v_n_6, x3=v_x3_2} AuxVars[] AssignedVars[]" "[143] L84-->L90: Formula: (< v_b_11 1) InVars {b=v_b_11} OutVars{b=v_b_11} AuxVars[] AssignedVars[]" "[145] L90-->L84-2: Formula: (= v_x3_6 (+ v_x3_5 v_t3_3)) InVars {t3=v_t3_3, x3=v_x3_6} OutVars{t3=v_t3_3, x3=v_x3_5} AuxVars[] AssignedVars[x3]" [2025-02-17 22:49:03,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:49:03,423 INFO L85 PathProgramCache]: Analyzing trace with hash -1477077861, now seen corresponding path program 1 times [2025-02-17 22:49:03,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:49:03,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992624960] [2025-02-17 22:49:03,423 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:49:03,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:49:03,425 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-02-17 22:49:03,430 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-02-17 22:49:03,430 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:49:03,430 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:49:03,430 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:49:03,431 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-02-17 22:49:03,435 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-02-17 22:49:03,435 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:49:03,436 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:49:03,436 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:49:03,437 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:49:03,437 INFO L85 PathProgramCache]: Analyzing trace with hash 168909, now seen corresponding path program 3 times [2025-02-17 22:49:03,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:49:03,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504742227] [2025-02-17 22:49:03,437 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-17 22:49:03,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:49:03,440 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:49:03,441 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:49:03,441 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-02-17 22:49:03,441 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:49:03,441 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:49:03,442 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:49:03,442 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:49:03,442 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:49:03,442 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:49:03,445 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:49:03,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:49:03,446 INFO L85 PathProgramCache]: Analyzing trace with hash -1686470413, now seen corresponding path program 1 times [2025-02-17 22:49:03,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:49:03,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964544647] [2025-02-17 22:49:03,446 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:49:03,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:49:03,449 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-02-17 22:49:03,450 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-02-17 22:49:03,451 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:49:03,451 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:49:03,451 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:49:03,451 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-02-17 22:49:03,457 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-02-17 22:49:03,457 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:49:03,457 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:49:03,458 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:49:03,526 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Forceful destruction successful, exit code 0 [2025-02-17 22:49:03,567 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:49:03,567 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:49:03,567 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:49:03,567 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:49:03,567 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-02-17 22:49:03,567 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:03,567 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:49:03,567 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:49:03,567 INFO L132 ssoRankerPreferences]: Filename of dumped script: adfg_3_x_t_indep.c.bpl_petrified1_Iteration10_Lasso [2025-02-17 22:49:03,567 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:49:03,567 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:49:03,568 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:03,569 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:03,571 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:03,576 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:03,578 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:03,585 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:03,587 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:03,588 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:03,590 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:03,591 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:03,672 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:49:03,672 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-02-17 22:49:03,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:03,672 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:03,675 INFO L229 MonitoredProcess]: Starting monitored process 82 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:03,676 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2025-02-17 22:49:03,677 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:49:03,677 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:49:03,688 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:49:03,688 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread1Thread1of1ForFork0_thidvar0=0} Honda state: {thread1Thread1of1ForFork0_thidvar0=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:49:03,694 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Ended with exit code 0 [2025-02-17 22:49:03,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:03,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:03,696 INFO L229 MonitoredProcess]: Starting monitored process 83 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:03,697 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2025-02-17 22:49:03,698 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:49:03,698 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:49:03,715 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:49:03,715 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {t1=0} Honda state: {t1=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:49:03,720 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Forceful destruction successful, exit code 0 [2025-02-17 22:49:03,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:03,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:03,722 INFO L229 MonitoredProcess]: Starting monitored process 84 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:03,723 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2025-02-17 22:49:03,724 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:49:03,724 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:49:03,741 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:49:03,741 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {t2=0} Honda state: {t2=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:49:03,746 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Ended with exit code 0 [2025-02-17 22:49:03,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:03,747 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:03,748 INFO L229 MonitoredProcess]: Starting monitored process 85 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:03,749 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2025-02-17 22:49:03,750 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:49:03,750 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:49:03,767 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:49:03,767 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {b=0} Honda state: {b=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:49:03,772 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Ended with exit code 0 [2025-02-17 22:49:03,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:03,773 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:03,774 INFO L229 MonitoredProcess]: Starting monitored process 86 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:03,775 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2025-02-17 22:49:03,776 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:49:03,776 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:49:03,799 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Ended with exit code 0 [2025-02-17 22:49:03,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:03,799 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:03,800 INFO L229 MonitoredProcess]: Starting monitored process 87 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:03,801 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2025-02-17 22:49:03,802 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-02-17 22:49:03,802 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:49:03,871 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-02-17 22:49:03,876 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Ended with exit code 0 [2025-02-17 22:49:03,876 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:49:03,876 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:49:03,876 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:49:03,876 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:49:03,876 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-17 22:49:03,876 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:03,876 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:49:03,876 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:49:03,876 INFO L132 ssoRankerPreferences]: Filename of dumped script: adfg_3_x_t_indep.c.bpl_petrified1_Iteration10_Lasso [2025-02-17 22:49:03,876 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:49:03,876 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:49:03,877 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:03,882 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:03,886 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:03,891 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:03,893 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:03,895 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:03,896 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:03,898 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:03,910 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:03,915 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:03,980 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:49:03,980 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-17 22:49:03,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:03,981 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:03,982 INFO L229 MonitoredProcess]: Starting monitored process 88 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:03,984 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2025-02-17 22:49:03,985 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-17 22:49:03,994 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:49:03,994 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:49:03,994 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:49:03,994 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:49:03,995 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:49:03,995 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:49:03,998 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:49:04,003 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Forceful destruction successful, exit code 0 [2025-02-17 22:49:04,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:04,004 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:04,006 INFO L229 MonitoredProcess]: Starting monitored process 89 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:04,006 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2025-02-17 22:49:04,008 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-17 22:49:04,018 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:49:04,018 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:49:04,018 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:49:04,018 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:49:04,019 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:49:04,019 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:49:04,021 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:49:04,027 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Forceful destruction successful, exit code 0 [2025-02-17 22:49:04,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:04,027 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:04,029 INFO L229 MonitoredProcess]: Starting monitored process 90 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:04,029 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2025-02-17 22:49:04,031 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-17 22:49:04,041 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:49:04,041 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:49:04,041 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:49:04,041 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:49:04,042 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:49:04,042 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:49:04,045 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:49:04,050 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Ended with exit code 0 [2025-02-17 22:49:04,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:04,051 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:04,052 INFO L229 MonitoredProcess]: Starting monitored process 91 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:04,054 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2025-02-17 22:49:04,055 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-17 22:49:04,065 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:49:04,065 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:49:04,065 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:49:04,065 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:49:04,066 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:49:04,066 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:49:04,068 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:49:04,074 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Forceful destruction successful, exit code 0 [2025-02-17 22:49:04,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:04,074 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:04,076 INFO L229 MonitoredProcess]: Starting monitored process 92 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:04,077 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2025-02-17 22:49:04,078 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-17 22:49:04,088 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:49:04,088 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:49:04,088 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:49:04,088 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:49:04,089 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:49:04,089 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:49:04,092 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:49:04,098 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Forceful destruction successful, exit code 0 [2025-02-17 22:49:04,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:04,098 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:04,100 INFO L229 MonitoredProcess]: Starting monitored process 93 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:04,100 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2025-02-17 22:49:04,102 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-17 22:49:04,112 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:49:04,112 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:49:04,112 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:49:04,112 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:49:04,113 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:49:04,113 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:49:04,115 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:49:04,121 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Forceful destruction successful, exit code 0 [2025-02-17 22:49:04,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:04,121 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:04,123 INFO L229 MonitoredProcess]: Starting monitored process 94 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:04,124 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2025-02-17 22:49:04,126 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-17 22:49:04,136 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:49:04,136 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:49:04,136 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:49:04,136 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:49:04,137 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:49:04,137 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:49:04,139 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:49:04,145 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Forceful destruction successful, exit code 0 [2025-02-17 22:49:04,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:04,146 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:04,147 INFO L229 MonitoredProcess]: Starting monitored process 95 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:04,148 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2025-02-17 22:49:04,150 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-17 22:49:04,160 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:49:04,160 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:49:04,160 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:49:04,160 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:49:04,163 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:49:04,163 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:49:04,168 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-17 22:49:04,177 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2025-02-17 22:49:04,177 INFO L444 ModelExtractionUtils]: 6 out of 19 variables were initially zero. Simplification set additionally 5 variables to zero. [2025-02-17 22:49:04,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:04,178 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:04,179 INFO L229 MonitoredProcess]: Starting monitored process 96 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:04,181 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2025-02-17 22:49:04,182 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-17 22:49:04,193 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 2. [2025-02-17 22:49:04,193 INFO L474 LassoAnalysis]: Proved termination. [2025-02-17 22:49:04,193 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(x2, x3) = 1*x2 - 1*x3 Supporting invariants [-1*t3 - 1 >= 0, -2*n + 2*x2 - 1 >= 0] [2025-02-17 22:49:04,199 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Forceful destruction successful, exit code 0 [2025-02-17 22:49:04,202 INFO L156 tatePredicateManager]: 0 out of 2 supporting invariants were superfluous and have been removed [2025-02-17 22:49:04,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:49:04,222 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-02-17 22:49:04,224 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-02-17 22:49:04,224 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:49:04,224 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:49:04,225 INFO L256 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-17 22:49:04,225 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:49:04,250 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:49:04,254 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:49:04,255 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:49:04,255 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:49:04,255 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-17 22:49:04,255 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:49:04,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-17 22:49:04,275 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2025-02-17 22:49:04,275 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 460 states and 1337 transitions. cyclomatic complexity: 925 Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-17 22:49:04,327 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 460 states and 1337 transitions. cyclomatic complexity: 925. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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 700 states and 1987 transitions. Complement of second has 7 states. [2025-02-17 22:49:04,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2025-02-17 22:49:04,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-17 22:49:04,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 61 transitions. [2025-02-17 22:49:04,328 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 61 transitions. Stem has 14 letters. Loop has 3 letters. [2025-02-17 22:49:04,328 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:49:04,328 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 61 transitions. Stem has 17 letters. Loop has 3 letters. [2025-02-17 22:49:04,328 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:49:04,328 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 61 transitions. Stem has 14 letters. Loop has 6 letters. [2025-02-17 22:49:04,328 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:49:04,328 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 700 states and 1987 transitions. [2025-02-17 22:49:04,331 INFO L131 ngComponentsAnalysis]: Automaton has 9 accepting balls. 27 [2025-02-17 22:49:04,332 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 700 states to 400 states and 1120 transitions. [2025-02-17 22:49:04,332 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 136 [2025-02-17 22:49:04,333 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 136 [2025-02-17 22:49:04,333 INFO L73 IsDeterministic]: Start isDeterministic. Operand 400 states and 1120 transitions. [2025-02-17 22:49:04,333 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-17 22:49:04,333 INFO L218 hiAutomatonCegarLoop]: Abstraction has 400 states and 1120 transitions. [2025-02-17 22:49:04,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400 states and 1120 transitions. [2025-02-17 22:49:04,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400 to 400. [2025-02-17 22:49:04,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 400 states, 400 states have (on average 2.8) internal successors, (1120), 399 states have internal predecessors, (1120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-17 22:49:04,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 1120 transitions. [2025-02-17 22:49:04,338 INFO L240 hiAutomatonCegarLoop]: Abstraction has 400 states and 1120 transitions. [2025-02-17 22:49:04,338 INFO L432 stractBuchiCegarLoop]: Abstraction has 400 states and 1120 transitions. [2025-02-17 22:49:04,338 INFO L338 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2025-02-17 22:49:04,338 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 400 states and 1120 transitions. [2025-02-17 22:49:04,339 INFO L131 ngComponentsAnalysis]: Automaton has 9 accepting balls. 27 [2025-02-17 22:49:04,339 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-17 22:49:04,339 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-17 22:49:04,339 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-17 22:49:04,339 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-02-17 22:49:04,340 INFO L752 eck$LassoCheckResult]: Stem: "[148] $Ultimate##0-->$Ultimate##0: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0]" "[114] $Ultimate##0-->L32: Formula: (< v_b_3 1) InVars {b=v_b_3} OutVars{b=v_b_3} AuxVars[] AssignedVars[]" "[116] L32-->L36-2: Formula: (= (+ v_t1_3 1) 0) InVars {} OutVars{t1=v_t1_3} AuxVars[] AssignedVars[t1]" "[118] L36-2-->L36: Formula: (<= v_x1_4 v_n_2) InVars {x1=v_x1_4, n=v_n_2} OutVars{x1=v_x1_4, n=v_n_2} AuxVars[] AssignedVars[]" "[121] L36-->L42: Formula: (< v_b_1 1) InVars {b=v_b_1} OutVars{b=v_b_1} AuxVars[] AssignedVars[]" "[151] L15-->$Ultimate##0: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1]" "[125] $Ultimate##0-->L56: Formula: (< v_b_8 1) InVars {b=v_b_8} OutVars{b=v_b_8} AuxVars[] AssignedVars[]" "[154] L16-->$Ultimate##0: Formula: (and (= 3 v_thread3Thread1of1ForFork2_thidvar0_2) (= 3 v_thread3Thread1of1ForFork2_thidvar1_2) (= 3 v_thread3Thread1of1ForFork2_thidvar2_2)) InVars {} OutVars{thread3Thread1of1ForFork2_thidvar2=v_thread3Thread1of1ForFork2_thidvar2_2, thread3Thread1of1ForFork2_thidvar1=v_thread3Thread1of1ForFork2_thidvar1_2, thread3Thread1of1ForFork2_thidvar0=v_thread3Thread1of1ForFork2_thidvar0_2} AuxVars[] AssignedVars[thread3Thread1of1ForFork2_thidvar2, thread3Thread1of1ForFork2_thidvar1, thread3Thread1of1ForFork2_thidvar0]" "[136] $Ultimate##0-->L80: Formula: (< v_b_9 1) InVars {b=v_b_9} OutVars{b=v_b_9} AuxVars[] AssignedVars[]" "[123] L42-->L36-2: Formula: (= (+ v_x1_1 v_t1_1) v_x1_2) InVars {t1=v_t1_1, x1=v_x1_2} OutVars{t1=v_t1_1, x1=v_x1_1} AuxVars[] AssignedVars[x1]" "[138] L80-->L84-2: Formula: (= (+ v_t3_1 1) 0) InVars {} OutVars{t3=v_t3_1} AuxVars[] AssignedVars[t3]" "[117] L36-2-->thread1FINAL: Formula: (< v_n_1 v_x1_3) InVars {x1=v_x1_3, n=v_n_1} OutVars{x1=v_x1_3, n=v_n_1} AuxVars[] AssignedVars[]" "[127] L56-->L60-2: Formula: (= (+ v_t2_4 1) 0) InVars {} OutVars{t2=v_t2_4} AuxVars[] AssignedVars[t2]" "[129] L60-2-->L60: Formula: (<= v_x2_1 v_n_3) InVars {x2=v_x2_1, n=v_n_3} OutVars{x2=v_x2_1, n=v_n_3} AuxVars[] AssignedVars[]" [2025-02-17 22:49:04,340 INFO L754 eck$LassoCheckResult]: Loop: "[140] L84-2-->L84: Formula: (<= v_x3_2 v_n_6) InVars {n=v_n_6, x3=v_x3_2} OutVars{n=v_n_6, x3=v_x3_2} AuxVars[] AssignedVars[]" "[143] L84-->L90: Formula: (< v_b_11 1) InVars {b=v_b_11} OutVars{b=v_b_11} AuxVars[] AssignedVars[]" "[145] L90-->L84-2: Formula: (= v_x3_6 (+ v_x3_5 v_t3_3)) InVars {t3=v_t3_3, x3=v_x3_6} OutVars{t3=v_t3_3, x3=v_x3_5} AuxVars[] AssignedVars[x3]" [2025-02-17 22:49:04,340 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:49:04,340 INFO L85 PathProgramCache]: Analyzing trace with hash -1477077860, now seen corresponding path program 2 times [2025-02-17 22:49:04,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:49:04,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110974285] [2025-02-17 22:49:04,340 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-17 22:49:04,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:49:04,342 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 14 statements into 1 equivalence classes. [2025-02-17 22:49:04,344 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-02-17 22:49:04,344 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-17 22:49:04,344 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:49:04,344 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:49:04,345 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-02-17 22:49:04,346 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-02-17 22:49:04,346 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:49:04,346 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:49:04,347 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:49:04,347 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:49:04,347 INFO L85 PathProgramCache]: Analyzing trace with hash 168909, now seen corresponding path program 4 times [2025-02-17 22:49:04,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:49:04,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021856750] [2025-02-17 22:49:04,347 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-17 22:49:04,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:49:04,352 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 3 statements into 2 equivalence classes. [2025-02-17 22:49:04,353 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:49:04,354 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-02-17 22:49:04,354 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:49:04,354 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:49:04,354 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:49:04,355 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:49:04,355 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:49:04,355 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:49:04,356 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:49:04,356 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:49:04,356 INFO L85 PathProgramCache]: Analyzing trace with hash -1686440622, now seen corresponding path program 2 times [2025-02-17 22:49:04,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:49:04,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356680614] [2025-02-17 22:49:04,356 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-17 22:49:04,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:49:04,358 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 17 statements into 1 equivalence classes. [2025-02-17 22:49:04,361 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-02-17 22:49:04,361 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-17 22:49:04,361 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:49:04,361 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:49:04,362 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-02-17 22:49:04,363 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-02-17 22:49:04,363 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:49:04,364 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:49:04,367 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:49:04,443 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:49:04,443 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:49:04,443 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:49:04,443 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:49:04,443 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-02-17 22:49:04,443 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:04,443 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:49:04,443 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:49:04,443 INFO L132 ssoRankerPreferences]: Filename of dumped script: adfg_3_x_t_indep.c.bpl_petrified1_Iteration11_Lasso [2025-02-17 22:49:04,443 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:49:04,443 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:49:04,444 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:04,446 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:04,448 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:04,449 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:04,459 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:04,461 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:04,463 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:04,466 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:04,468 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:04,469 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:04,522 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Forceful destruction successful, exit code 0 [2025-02-17 22:49:04,564 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:49:04,564 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-02-17 22:49:04,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:04,564 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:04,566 INFO L229 MonitoredProcess]: Starting monitored process 97 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:04,567 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2025-02-17 22:49:04,568 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:49:04,568 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:49:04,584 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:49:04,585 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {t1=0} Honda state: {t1=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:49:04,590 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Ended with exit code 0 [2025-02-17 22:49:04,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:04,590 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:04,592 INFO L229 MonitoredProcess]: Starting monitored process 98 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:04,592 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Waiting until timeout for monitored process [2025-02-17 22:49:04,593 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:49:04,593 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:49:04,610 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:49:04,610 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {t2=0} Honda state: {t2=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:49:04,615 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Ended with exit code 0 [2025-02-17 22:49:04,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:04,616 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:04,617 INFO L229 MonitoredProcess]: Starting monitored process 99 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:04,618 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2025-02-17 22:49:04,619 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:49:04,619 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:49:04,630 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:49:04,630 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread1Thread1of1ForFork0_thidvar0=0} Honda state: {thread1Thread1of1ForFork0_thidvar0=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:49:04,636 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Ended with exit code 0 [2025-02-17 22:49:04,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:04,636 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:04,638 INFO L229 MonitoredProcess]: Starting monitored process 100 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:04,638 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Waiting until timeout for monitored process [2025-02-17 22:49:04,639 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:49:04,640 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:49:04,664 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Ended with exit code 0 [2025-02-17 22:49:04,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:04,664 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:04,666 INFO L229 MonitoredProcess]: Starting monitored process 101 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:04,667 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Waiting until timeout for monitored process [2025-02-17 22:49:04,668 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-02-17 22:49:04,668 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:49:04,803 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-02-17 22:49:04,810 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Ended with exit code 0 [2025-02-17 22:49:04,810 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:49:04,810 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:49:04,810 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:49:04,810 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:49:04,810 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-17 22:49:04,810 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:04,810 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:49:04,810 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:49:04,810 INFO L132 ssoRankerPreferences]: Filename of dumped script: adfg_3_x_t_indep.c.bpl_petrified1_Iteration11_Lasso [2025-02-17 22:49:04,810 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:49:04,810 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:49:04,811 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:04,813 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:04,822 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:04,828 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:04,838 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:04,840 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:04,842 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:04,846 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:04,847 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:04,849 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:04,930 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:49:04,931 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-17 22:49:04,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:04,931 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:04,933 INFO L229 MonitoredProcess]: Starting monitored process 102 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:04,933 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Waiting until timeout for monitored process [2025-02-17 22:49:04,935 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-17 22:49:04,944 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:49:04,944 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:49:04,944 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:49:04,944 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:49:04,946 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:49:04,946 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:49:04,948 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:49:04,954 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Ended with exit code 0 [2025-02-17 22:49:04,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:04,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:04,956 INFO L229 MonitoredProcess]: Starting monitored process 103 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:04,956 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Waiting until timeout for monitored process [2025-02-17 22:49:04,957 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-17 22:49:04,967 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:49:04,967 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:49:04,967 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:49:04,967 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:49:04,968 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:49:04,968 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:49:04,970 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:49:04,976 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Ended with exit code 0 [2025-02-17 22:49:04,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:04,976 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:04,978 INFO L229 MonitoredProcess]: Starting monitored process 104 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:04,978 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Waiting until timeout for monitored process [2025-02-17 22:49:04,980 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-17 22:49:04,989 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:49:04,989 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:49:04,989 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:49:04,989 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:49:04,990 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:49:04,990 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:49:04,993 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:49:04,998 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Ended with exit code 0 [2025-02-17 22:49:04,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:04,998 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:05,000 INFO L229 MonitoredProcess]: Starting monitored process 105 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:05,001 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Waiting until timeout for monitored process [2025-02-17 22:49:05,004 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-17 22:49:05,013 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:49:05,014 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:49:05,014 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:49:05,014 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:49:05,016 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:49:05,016 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:49:05,021 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-17 22:49:05,028 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2025-02-17 22:49:05,028 INFO L444 ModelExtractionUtils]: 5 out of 19 variables were initially zero. Simplification set additionally 6 variables to zero. [2025-02-17 22:49:05,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:05,028 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:05,030 INFO L229 MonitoredProcess]: Starting monitored process 106 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:05,031 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Waiting until timeout for monitored process [2025-02-17 22:49:05,032 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-17 22:49:05,042 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 2. [2025-02-17 22:49:05,042 INFO L474 LassoAnalysis]: Proved termination. [2025-02-17 22:49:05,042 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(x1, x3) = 1*x1 - 1*x3 Supporting invariants [2*x1 - 2*n - 1 >= 0, -1*t3 - 1 >= 0] [2025-02-17 22:49:05,048 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Ended with exit code 0 [2025-02-17 22:49:05,052 INFO L156 tatePredicateManager]: 0 out of 2 supporting invariants were superfluous and have been removed [2025-02-17 22:49:05,072 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:49:05,076 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-02-17 22:49:05,079 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-02-17 22:49:05,079 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:49:05,079 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:49:05,079 INFO L256 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-17 22:49:05,080 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:49:05,113 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:49:05,114 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:49:05,114 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:49:05,114 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:49:05,114 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-17 22:49:05,114 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:49:05,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-17 22:49:05,134 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2025-02-17 22:49:05,134 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 400 states and 1120 transitions. cyclomatic complexity: 756 Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-17 22:49:05,217 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 400 states and 1120 transitions. cyclomatic complexity: 756. Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 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 837 states and 2184 transitions. Complement of second has 10 states. [2025-02-17 22:49:05,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 3 stem states 2 non-accepting loop states 2 accepting loop states [2025-02-17 22:49:05,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-17 22:49:05,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 50 transitions. [2025-02-17 22:49:05,218 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 50 transitions. Stem has 14 letters. Loop has 3 letters. [2025-02-17 22:49:05,218 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:49:05,218 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 50 transitions. Stem has 17 letters. Loop has 3 letters. [2025-02-17 22:49:05,218 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:49:05,218 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 50 transitions. Stem has 14 letters. Loop has 6 letters. [2025-02-17 22:49:05,218 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:49:05,218 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 837 states and 2184 transitions. [2025-02-17 22:49:05,222 INFO L131 ngComponentsAnalysis]: Automaton has 9 accepting balls. 27 [2025-02-17 22:49:05,225 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 837 states to 586 states and 1603 transitions. [2025-02-17 22:49:05,225 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 175 [2025-02-17 22:49:05,225 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 205 [2025-02-17 22:49:05,225 INFO L73 IsDeterministic]: Start isDeterministic. Operand 586 states and 1603 transitions. [2025-02-17 22:49:05,225 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-17 22:49:05,225 INFO L218 hiAutomatonCegarLoop]: Abstraction has 586 states and 1603 transitions. [2025-02-17 22:49:05,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 586 states and 1603 transitions. [2025-02-17 22:49:05,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 586 to 447. [2025-02-17 22:49:05,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 447 states, 447 states have (on average 2.843400447427293) internal successors, (1271), 446 states have internal predecessors, (1271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-17 22:49:05,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 1271 transitions. [2025-02-17 22:49:05,232 INFO L240 hiAutomatonCegarLoop]: Abstraction has 447 states and 1271 transitions. [2025-02-17 22:49:05,232 INFO L432 stractBuchiCegarLoop]: Abstraction has 447 states and 1271 transitions. [2025-02-17 22:49:05,232 INFO L338 stractBuchiCegarLoop]: ======== Iteration 12 ============ [2025-02-17 22:49:05,233 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 447 states and 1271 transitions. [2025-02-17 22:49:05,233 INFO L131 ngComponentsAnalysis]: Automaton has 9 accepting balls. 27 [2025-02-17 22:49:05,234 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-17 22:49:05,234 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-17 22:49:05,234 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-17 22:49:05,234 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-02-17 22:49:05,234 INFO L752 eck$LassoCheckResult]: Stem: "[148] $Ultimate##0-->$Ultimate##0: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0]" "[114] $Ultimate##0-->L32: Formula: (< v_b_3 1) InVars {b=v_b_3} OutVars{b=v_b_3} AuxVars[] AssignedVars[]" "[116] L32-->L36-2: Formula: (= (+ v_t1_3 1) 0) InVars {} OutVars{t1=v_t1_3} AuxVars[] AssignedVars[t1]" "[118] L36-2-->L36: Formula: (<= v_x1_4 v_n_2) InVars {x1=v_x1_4, n=v_n_2} OutVars{x1=v_x1_4, n=v_n_2} AuxVars[] AssignedVars[]" "[121] L36-->L42: Formula: (< v_b_1 1) InVars {b=v_b_1} OutVars{b=v_b_1} AuxVars[] AssignedVars[]" "[151] L15-->$Ultimate##0: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1]" "[125] $Ultimate##0-->L56: Formula: (< v_b_8 1) InVars {b=v_b_8} OutVars{b=v_b_8} AuxVars[] AssignedVars[]" "[154] L16-->$Ultimate##0: Formula: (and (= 3 v_thread3Thread1of1ForFork2_thidvar0_2) (= 3 v_thread3Thread1of1ForFork2_thidvar1_2) (= 3 v_thread3Thread1of1ForFork2_thidvar2_2)) InVars {} OutVars{thread3Thread1of1ForFork2_thidvar2=v_thread3Thread1of1ForFork2_thidvar2_2, thread3Thread1of1ForFork2_thidvar1=v_thread3Thread1of1ForFork2_thidvar1_2, thread3Thread1of1ForFork2_thidvar0=v_thread3Thread1of1ForFork2_thidvar0_2} AuxVars[] AssignedVars[thread3Thread1of1ForFork2_thidvar2, thread3Thread1of1ForFork2_thidvar1, thread3Thread1of1ForFork2_thidvar0]" "[136] $Ultimate##0-->L80: Formula: (< v_b_9 1) InVars {b=v_b_9} OutVars{b=v_b_9} AuxVars[] AssignedVars[]" "[123] L42-->L36-2: Formula: (= (+ v_x1_1 v_t1_1) v_x1_2) InVars {t1=v_t1_1, x1=v_x1_2} OutVars{t1=v_t1_1, x1=v_x1_1} AuxVars[] AssignedVars[x1]" "[127] L56-->L60-2: Formula: (= (+ v_t2_4 1) 0) InVars {} OutVars{t2=v_t2_4} AuxVars[] AssignedVars[t2]" "[129] L60-2-->L60: Formula: (<= v_x2_1 v_n_3) InVars {x2=v_x2_1, n=v_n_3} OutVars{x2=v_x2_1, n=v_n_3} AuxVars[] AssignedVars[]" "[132] L60-->L66: Formula: (< v_b_6 1) InVars {b=v_b_6} OutVars{b=v_b_6} AuxVars[] AssignedVars[]" "[138] L80-->L84-2: Formula: (= (+ v_t3_1 1) 0) InVars {} OutVars{t3=v_t3_1} AuxVars[] AssignedVars[t3]" [2025-02-17 22:49:05,234 INFO L754 eck$LassoCheckResult]: Loop: "[140] L84-2-->L84: Formula: (<= v_x3_2 v_n_6) InVars {n=v_n_6, x3=v_x3_2} OutVars{n=v_n_6, x3=v_x3_2} AuxVars[] AssignedVars[]" "[143] L84-->L90: Formula: (< v_b_11 1) InVars {b=v_b_11} OutVars{b=v_b_11} AuxVars[] AssignedVars[]" "[145] L90-->L84-2: Formula: (= v_x3_6 (+ v_x3_5 v_t3_3)) InVars {t3=v_t3_3, x3=v_x3_6} OutVars{t3=v_t3_3, x3=v_x3_5} AuxVars[] AssignedVars[x3]" [2025-02-17 22:49:05,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:49:05,235 INFO L85 PathProgramCache]: Analyzing trace with hash -1477393865, now seen corresponding path program 1 times [2025-02-17 22:49:05,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:49:05,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455012909] [2025-02-17 22:49:05,235 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:49:05,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:49:05,236 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-02-17 22:49:05,237 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-02-17 22:49:05,237 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:49:05,238 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:49:05,238 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:49:05,238 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-02-17 22:49:05,240 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-02-17 22:49:05,241 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:49:05,241 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:49:05,241 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:49:05,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:49:05,242 INFO L85 PathProgramCache]: Analyzing trace with hash 168909, now seen corresponding path program 5 times [2025-02-17 22:49:05,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:49:05,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133456438] [2025-02-17 22:49:05,242 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-02-17 22:49:05,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:49:05,246 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:49:05,248 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:49:05,248 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-17 22:49:05,248 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:49:05,248 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:49:05,248 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:49:05,249 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:49:05,249 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:49:05,249 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:49:05,250 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:49:05,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:49:05,250 INFO L85 PathProgramCache]: Analyzing trace with hash 1784356311, now seen corresponding path program 1 times [2025-02-17 22:49:05,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:49:05,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087930510] [2025-02-17 22:49:05,250 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:49:05,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:49:05,254 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-02-17 22:49:05,255 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-02-17 22:49:05,255 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:49:05,255 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:49:05,255 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:49:05,255 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-02-17 22:49:05,260 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-02-17 22:49:05,261 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:49:05,261 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:49:05,262 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:49:05,345 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:49:05,345 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:49:05,345 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:49:05,345 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:49:05,345 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-02-17 22:49:05,345 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:05,345 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:49:05,345 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:49:05,345 INFO L132 ssoRankerPreferences]: Filename of dumped script: adfg_3_x_t_indep.c.bpl_petrified1_Iteration12_Lasso [2025-02-17 22:49:05,345 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:49:05,345 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:49:05,346 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:05,349 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:05,351 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:05,352 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:05,355 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:05,356 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:05,358 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:05,360 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:05,362 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:05,370 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:05,428 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:49:05,428 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-02-17 22:49:05,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:05,428 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:05,430 INFO L229 MonitoredProcess]: Starting monitored process 107 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:05,431 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Waiting until timeout for monitored process [2025-02-17 22:49:05,431 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:49:05,431 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:49:05,448 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:49:05,449 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {b=0} Honda state: {b=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:49:05,454 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Ended with exit code 0 [2025-02-17 22:49:05,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:05,454 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:05,456 INFO L229 MonitoredProcess]: Starting monitored process 108 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:05,456 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Waiting until timeout for monitored process [2025-02-17 22:49:05,457 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:49:05,457 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:49:05,475 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:49:05,475 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {t1=0} Honda state: {t1=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:49:05,480 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Ended with exit code 0 [2025-02-17 22:49:05,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:05,481 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:05,482 INFO L229 MonitoredProcess]: Starting monitored process 109 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:05,483 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Waiting until timeout for monitored process [2025-02-17 22:49:05,484 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:49:05,484 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:49:05,495 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:49:05,495 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread3Thread1of1ForFork2_thidvar1=0} Honda state: {thread3Thread1of1ForFork2_thidvar1=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:49:05,500 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Ended with exit code 0 [2025-02-17 22:49:05,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:05,501 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:05,502 INFO L229 MonitoredProcess]: Starting monitored process 110 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:05,503 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Waiting until timeout for monitored process [2025-02-17 22:49:05,504 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:49:05,504 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:49:05,522 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:49:05,522 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {t2=0} Honda state: {t2=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:49:05,527 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Ended with exit code 0 [2025-02-17 22:49:05,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:05,528 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:05,529 INFO L229 MonitoredProcess]: Starting monitored process 111 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:05,530 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Waiting until timeout for monitored process [2025-02-17 22:49:05,531 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:49:05,531 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:49:05,541 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:49:05,542 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread3Thread1of1ForFork2_thidvar0=0} Honda state: {thread3Thread1of1ForFork2_thidvar0=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:49:05,547 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Ended with exit code 0 [2025-02-17 22:49:05,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:05,548 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:05,549 INFO L229 MonitoredProcess]: Starting monitored process 112 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:05,550 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Waiting until timeout for monitored process [2025-02-17 22:49:05,550 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:49:05,550 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:49:05,561 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:49:05,561 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread1Thread1of1ForFork0_thidvar0=0} Honda state: {thread1Thread1of1ForFork0_thidvar0=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:49:05,567 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Ended with exit code 0 [2025-02-17 22:49:05,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:05,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:05,569 INFO L229 MonitoredProcess]: Starting monitored process 113 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:05,571 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Waiting until timeout for monitored process [2025-02-17 22:49:05,571 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:49:05,571 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:49:05,582 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:49:05,583 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 22:49:05,588 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Ended with exit code 0 [2025-02-17 22:49:05,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:05,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:05,590 INFO L229 MonitoredProcess]: Starting monitored process 114 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:05,590 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Waiting until timeout for monitored process [2025-02-17 22:49:05,591 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:49:05,591 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:49:05,602 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:49:05,602 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread2Thread1of1ForFork1_thidvar0=0} Honda state: {thread2Thread1of1ForFork1_thidvar0=2} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:49:05,607 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Ended with exit code 0 [2025-02-17 22:49:05,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:05,607 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:05,609 INFO L229 MonitoredProcess]: Starting monitored process 115 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:05,610 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Waiting until timeout for monitored process [2025-02-17 22:49:05,610 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:49:05,610 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:49:05,634 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Ended with exit code 0 [2025-02-17 22:49:05,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:05,635 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:05,636 INFO L229 MonitoredProcess]: Starting monitored process 116 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:05,637 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Waiting until timeout for monitored process [2025-02-17 22:49:05,637 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-02-17 22:49:05,637 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:49:05,782 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-02-17 22:49:05,788 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Ended with exit code 0 [2025-02-17 22:49:05,788 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:49:05,789 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:49:05,789 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:49:05,789 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:49:05,789 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-17 22:49:05,789 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:05,789 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:49:05,789 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:49:05,789 INFO L132 ssoRankerPreferences]: Filename of dumped script: adfg_3_x_t_indep.c.bpl_petrified1_Iteration12_Lasso [2025-02-17 22:49:05,789 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:49:05,789 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:49:05,789 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:05,792 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:05,794 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:05,796 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:05,797 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:05,799 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:05,800 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:05,802 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:05,803 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:05,805 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:49:05,871 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:49:05,871 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-17 22:49:05,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:05,871 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:05,873 INFO L229 MonitoredProcess]: Starting monitored process 117 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:05,873 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Waiting until timeout for monitored process [2025-02-17 22:49:05,874 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-17 22:49:05,884 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:49:05,884 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:49:05,884 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:49:05,884 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:49:05,884 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:49:05,885 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:49:05,887 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:49:05,892 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Ended with exit code 0 [2025-02-17 22:49:05,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:05,892 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:05,894 INFO L229 MonitoredProcess]: Starting monitored process 118 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:05,894 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Waiting until timeout for monitored process [2025-02-17 22:49:05,895 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-17 22:49:05,905 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:49:05,905 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:49:05,905 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:49:05,905 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:49:05,906 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:49:05,906 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:49:05,908 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:49:05,914 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Ended with exit code 0 [2025-02-17 22:49:05,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:05,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:05,916 INFO L229 MonitoredProcess]: Starting monitored process 119 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:05,917 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Waiting until timeout for monitored process [2025-02-17 22:49:05,918 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-17 22:49:05,928 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:49:05,928 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:49:05,929 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:49:05,929 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:49:05,930 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:49:05,930 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:49:05,932 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:49:05,937 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Ended with exit code 0 [2025-02-17 22:49:05,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:05,938 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:05,939 INFO L229 MonitoredProcess]: Starting monitored process 120 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:05,940 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Waiting until timeout for monitored process [2025-02-17 22:49:05,941 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-17 22:49:05,950 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:49:05,950 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:49:05,950 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:49:05,950 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:49:05,951 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:49:05,951 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:49:05,953 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:49:05,959 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Ended with exit code 0 [2025-02-17 22:49:05,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:05,959 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:05,960 INFO L229 MonitoredProcess]: Starting monitored process 121 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:05,961 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Waiting until timeout for monitored process [2025-02-17 22:49:05,962 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 22:49:05,972 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:49:05,972 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:49:05,972 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:49:05,972 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:49:05,973 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:49:05,973 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:49:05,975 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:49:05,980 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Ended with exit code 0 [2025-02-17 22:49:05,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:05,980 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:05,982 INFO L229 MonitoredProcess]: Starting monitored process 122 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:05,983 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Waiting until timeout for monitored process [2025-02-17 22:49:05,984 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-17 22:49:05,993 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:49:05,993 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:49:05,994 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:49:05,994 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:49:05,994 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:49:05,994 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:49:05,996 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:49:06,001 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Ended with exit code 0 [2025-02-17 22:49:06,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:06,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:06,003 INFO L229 MonitoredProcess]: Starting monitored process 123 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:06,004 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Waiting until timeout for monitored process [2025-02-17 22:49:06,005 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-17 22:49:06,014 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:49:06,014 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:49:06,014 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:49:06,014 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:49:06,015 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:49:06,015 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:49:06,017 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:49:06,022 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Ended with exit code 0 [2025-02-17 22:49:06,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:06,022 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:06,024 INFO L229 MonitoredProcess]: Starting monitored process 124 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:06,025 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Waiting until timeout for monitored process [2025-02-17 22:49:06,025 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-17 22:49:06,035 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:49:06,035 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:49:06,035 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:49:06,035 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:49:06,036 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:49:06,036 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:49:06,038 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:49:06,043 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Ended with exit code 0 [2025-02-17 22:49:06,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:06,043 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:06,045 INFO L229 MonitoredProcess]: Starting monitored process 125 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:06,046 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Waiting until timeout for monitored process [2025-02-17 22:49:06,046 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-17 22:49:06,056 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:49:06,057 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:49:06,057 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:49:06,057 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:49:06,057 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:49:06,057 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:49:06,059 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:49:06,065 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Ended with exit code 0 [2025-02-17 22:49:06,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:06,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:06,066 INFO L229 MonitoredProcess]: Starting monitored process 126 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:06,067 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Waiting until timeout for monitored process [2025-02-17 22:49:06,068 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-17 22:49:06,080 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Ended with exit code 0 [2025-02-17 22:49:06,084 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:49:06,084 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:49:06,084 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:49:06,084 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:49:06,086 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:49:06,086 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:49:06,090 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-17 22:49:06,096 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2025-02-17 22:49:06,096 INFO L444 ModelExtractionUtils]: 5 out of 19 variables were initially zero. Simplification set additionally 8 variables to zero. [2025-02-17 22:49:06,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:49:06,097 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:49:06,098 INFO L229 MonitoredProcess]: Starting monitored process 127 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:49:06,099 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Waiting until timeout for monitored process [2025-02-17 22:49:06,103 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-17 22:49:06,113 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2025-02-17 22:49:06,113 INFO L474 LassoAnalysis]: Proved termination. [2025-02-17 22:49:06,113 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(n, x3) = 2*n - 2*x3 + 1 Supporting invariants [-1*t3 - 1 >= 0] [2025-02-17 22:49:06,118 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Ended with exit code 0 [2025-02-17 22:49:06,120 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2025-02-17 22:49:06,133 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:49:06,140 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-02-17 22:49:06,143 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-02-17 22:49:06,143 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:49:06,143 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:49:06,143 INFO L256 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-17 22:49:06,143 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:49:06,155 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:49:06,155 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:49:06,156 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:49:06,156 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:49:06,156 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-17 22:49:06,156 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:49:06,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-17 22:49:06,170 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2025-02-17 22:49:06,170 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 447 states and 1271 transitions. cyclomatic complexity: 866 Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-17 22:49:06,206 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 447 states and 1271 transitions. cyclomatic complexity: 866. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 961 states and 2825 transitions. Complement of second has 6 states. [2025-02-17 22:49:06,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2025-02-17 22:49:06,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-17 22:49:06,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 49 transitions. [2025-02-17 22:49:06,207 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 49 transitions. Stem has 14 letters. Loop has 3 letters. [2025-02-17 22:49:06,207 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:49:06,207 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 49 transitions. Stem has 17 letters. Loop has 3 letters. [2025-02-17 22:49:06,207 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:49:06,207 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 49 transitions. Stem has 14 letters. Loop has 6 letters. [2025-02-17 22:49:06,207 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:49:06,207 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 961 states and 2825 transitions. [2025-02-17 22:49:06,211 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-02-17 22:49:06,212 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 961 states to 0 states and 0 transitions. [2025-02-17 22:49:06,212 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2025-02-17 22:49:06,212 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2025-02-17 22:49:06,212 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2025-02-17 22:49:06,212 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-17 22:49:06,212 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-17 22:49:06,212 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-17 22:49:06,212 INFO L432 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-17 22:49:06,212 INFO L338 stractBuchiCegarLoop]: ======== Iteration 13 ============ [2025-02-17 22:49:06,212 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2025-02-17 22:49:06,212 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-02-17 22:49:06,212 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2025-02-17 22:49:06,217 INFO L201 PluginConnector]: Adding new model adfg_3_x_t_indep.c.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 17.02 10:49:06 BoogieIcfgContainer [2025-02-17 22:49:06,217 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-02-17 22:49:06,218 INFO L158 Benchmark]: Toolchain (without parser) took 10168.31ms. Allocated memory was 159.4MB in the beginning and 188.7MB in the end (delta: 29.4MB). Free memory was 84.5MB in the beginning and 127.2MB in the end (delta: -42.7MB). There was no memory consumed. Max. memory is 8.0GB. [2025-02-17 22:49:06,218 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.17ms. Allocated memory is still 159.4MB. Free memory is still 85.4MB. There was no memory consumed. Max. memory is 8.0GB. [2025-02-17 22:49:06,218 INFO L158 Benchmark]: Boogie Procedure Inliner took 18.25ms. Allocated memory is still 159.4MB. Free memory was 84.5MB in the beginning and 83.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 8.0GB. [2025-02-17 22:49:06,218 INFO L158 Benchmark]: Boogie Preprocessor took 10.82ms. Allocated memory is still 159.4MB. Free memory was 83.2MB in the beginning and 82.5MB in the end (delta: 636.9kB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-02-17 22:49:06,218 INFO L158 Benchmark]: RCFGBuilder took 207.17ms. Allocated memory is still 159.4MB. Free memory was 82.4MB in the beginning and 72.9MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2025-02-17 22:49:06,219 INFO L158 Benchmark]: BuchiAutomizer took 9928.25ms. Allocated memory was 159.4MB in the beginning and 188.7MB in the end (delta: 29.4MB). Free memory was 72.7MB in the beginning and 127.2MB in the end (delta: -54.4MB). There was no memory consumed. Max. memory is 8.0GB. [2025-02-17 22:49:06,219 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 0.17ms. Allocated memory is still 159.4MB. Free memory is still 85.4MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 18.25ms. Allocated memory is still 159.4MB. Free memory was 84.5MB in the beginning and 83.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 10.82ms. Allocated memory is still 159.4MB. Free memory was 83.2MB in the beginning and 82.5MB in the end (delta: 636.9kB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 207.17ms. Allocated memory is still 159.4MB. Free memory was 82.4MB in the beginning and 72.9MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * BuchiAutomizer took 9928.25ms. Allocated memory was 159.4MB in the beginning and 188.7MB in the end (delta: 29.4MB). Free memory was 72.7MB in the beginning and 127.2MB in the end (delta: -54.4MB). 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 12 terminating modules (2 trivial, 10 deterministic, 0 nondeterministic). One deterministic module has affine ranking function 2 * n + -2 * x1 + t1 and consists of 4 locations. One deterministic module has affine ranking function 2 * n + -2 * x1 + 1 and consists of 4 locations. One deterministic module has affine ranking function 2 * n + -2 * x2 + 1 and consists of 4 locations. One deterministic module has affine ranking function 2 * n + -2 * x2 + 1 and consists of 4 locations. One deterministic module has affine ranking function 2 * n + -2 * x3 + 1 and consists of 4 locations. One deterministic module has affine ranking function -1 * x3 + x2 and consists of 6 locations. One deterministic module has affine ranking function -1 * x3 + x1 and consists of 6 locations. One deterministic module has affine ranking function -1 * x3 + x2 and consists of 5 locations. One deterministic module has affine ranking function -1 * x3 + x1 and consists of 7 locations. One deterministic module has affine ranking function 2 * n + -2 * x3 + 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 9.8s and 13 iterations. TraceHistogramMax:1. Analysis of lassos took 7.3s. Construction of modules took 0.3s. Büchi inclusion checks took 1.3s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 11. Automata minimization 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 1687 StatesRemovedByMinimization, 8 NontrivialMinimizations. Non-live state removal took 0.1s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [10, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 665 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 665 mSDsluCounter, 800 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 320 mSDsCounter, 49 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 477 IncrementalHoareTripleChecker+Invalid, 526 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 49 mSolverCounterUnsat, 480 mSDtfsCounter, 477 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN1 SILU0 SILI0 SILT0 lasso10 LassoPreprocessingBenchmarks: Lassos: inital48 mio100 ax100 hnf100 lsp47 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq163 hnf94 smp96 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 27ms VariablesStem: 1 VariablesLoop: 1 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 44 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 10 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 2.4s InitialAbstractionConstructionTime: 0.3s InitialAbstraction: Time to compute Ample Reduction [ms]: 347, Trivial Ample Sets caused by loops: 697, Number of non-trivial ample sets: 666, Number of pruned transitions: 362, Number of transitions in reduction automaton: 1404, Number of states in reduction automaton: 512, Underlying: - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2025-02-17 22:49:06,230 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Ended with exit code 0 [2025-02-17 22:49:06,430 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...