/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/gemcutter/Termination.epf -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-a4216cd-m [2025-04-26 16:56:52,805 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-26 16:56:52,858 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/Termination.epf [2025-04-26 16:56:52,862 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-26 16:56:52,863 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-26 16:56:52,863 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Check unreachability of error function in SV-COMP mode [2025-04-26 16:56:52,863 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Translation Mode: [2025-04-26 16:56:52,882 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-26 16:56:52,882 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-26 16:56:52,883 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-26 16:56:52,883 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-26 16:56:52,883 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-26 16:56:52,883 INFO L153 SettingsManager]: * Use SBE=true [2025-04-26 16:56:52,883 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-04-26 16:56:52,883 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-04-26 16:56:52,883 INFO L153 SettingsManager]: * Use old map elimination=false [2025-04-26 16:56:52,883 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-04-26 16:56:52,883 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-04-26 16:56:52,883 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-04-26 16:56:52,883 INFO L153 SettingsManager]: * Automaton type for concurrent programs=PARTIAL_ORDER_BA [2025-04-26 16:56:52,883 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-26 16:56:52,883 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-04-26 16:56:52,884 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-26 16:56:52,884 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-26 16:56:52,884 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-26 16:56:52,884 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-26 16:56:52,884 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-04-26 16:56:52,884 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-04-26 16:56:52,884 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-04-26 16:56:52,884 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-26 16:56:52,884 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-26 16:56:52,884 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-04-26 16:56:52,884 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-26 16:56:52,884 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-26 16:56:52,884 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-26 16:56:52,884 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -smt2 -in -t:4000 [2025-04-26 16:56:52,884 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-26 16:56:52,884 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-26 16:56:52,884 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-26 16:56:52,884 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-04-26 16:56:52,884 INFO L153 SettingsManager]: * Use conditional POR in concurrent analysis=false [2025-04-26 16:56:52,885 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-04-26 16:56:52,885 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR [2025-04-26 16:56:53,109 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-26 16:56:53,114 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-26 16:56:53,117 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-26 16:56:53,117 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2025-04-26 16:56:53,118 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2025-04-26 16:56:53,119 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/cav23-termute-examples/3_thr/adfg_3_x_t_indep.c.bpl [2025-04-26 16:56:53,119 INFO L110 BoogieParser]: Parsing: '/storage/cav23-termute-examples/3_thr/adfg_3_x_t_indep.c.bpl' [2025-04-26 16:56:53,133 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-26 16:56:53,135 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2025-04-26 16:56:53,135 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-26 16:56:53,135 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-26 16:56:53,135 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-26 16:56:53,145 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 26.04 04:56:53" (1/1) ... [2025-04-26 16:56:53,161 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 26.04 04:56:53" (1/1) ... [2025-04-26 16:56:53,167 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2025-04-26 16:56:53,168 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-26 16:56:53,169 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-26 16:56:53,169 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-26 16:56:53,169 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-26 16:56:53,173 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 26.04 04:56:53" (1/1) ... [2025-04-26 16:56:53,173 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 26.04 04:56:53" (1/1) ... [2025-04-26 16:56:53,176 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 26.04 04:56:53" (1/1) ... [2025-04-26 16:56:53,176 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 26.04 04:56:53" (1/1) ... [2025-04-26 16:56:53,178 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 26.04 04:56:53" (1/1) ... [2025-04-26 16:56:53,179 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 26.04 04:56:53" (1/1) ... [2025-04-26 16:56:53,183 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 26.04 04:56:53" (1/1) ... [2025-04-26 16:56:53,184 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 26.04 04:56:53" (1/1) ... [2025-04-26 16:56:53,184 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 26.04 04:56:53" (1/1) ... [2025-04-26 16:56:53,195 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-26 16:56:53,196 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-26 16:56:53,196 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-26 16:56:53,196 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-26 16:56:53,199 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 26.04 04:56:53" (1/1) ... [2025-04-26 16:56:53,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -smt2 -in -t:4000 [2025-04-26 16:56:53,215 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:56:53,225 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-04-26 16:56:53,231 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-04-26 16:56:53,250 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2025-04-26 16:56:53,250 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-04-26 16:56:53,250 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-04-26 16:56:53,250 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2025-04-26 16:56:53,250 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-04-26 16:56:53,251 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-04-26 16:56:53,251 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2025-04-26 16:56:53,251 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-04-26 16:56:53,251 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-04-26 16:56:53,251 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2025-04-26 16:56:53,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-26 16:56:53,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-26 16:56:53,251 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-04-26 16:56:53,291 INFO L234 CfgBuilder]: Building ICFG [2025-04-26 16:56:53,292 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-26 16:56:53,398 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-26 16:56:53,398 INFO L283 CfgBuilder]: Performing block encoding [2025-04-26 16:56:53,412 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-26 16:56:53,412 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-04-26 16:56:53,413 INFO L201 PluginConnector]: Adding new model adfg_3_x_t_indep.c.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.04 04:56:53 BoogieIcfgContainer [2025-04-26 16:56:53,413 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-26 16:56:53,415 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-04-26 16:56:53,416 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-04-26 16:56:53,421 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-04-26 16:56:53,421 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-04-26 16:56:53,421 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 26.04 04:56:53" (1/2) ... [2025-04-26 16:56:53,422 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@48475b4d and model type adfg_3_x_t_indep.c.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.04 04:56:53, skipping insertion in model container [2025-04-26 16:56:53,422 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-04-26 16:56:53,422 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 26.04 04:56:53" (2/2) ... [2025-04-26 16:56:53,423 INFO L376 chiAutomizerObserver]: Analyzing ICFG adfg_3_x_t_indep.c.bpl [2025-04-26 16:56:53,484 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2025-04-26 16:56:53,526 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-26 16:56:53,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-04-26 16:56:53,527 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:56:53,529 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2025-04-26 16:56:53,530 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2025-04-26 16:56:53,585 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 44 places, 46 transitions, 113 flow [2025-04-26 16:56:53,609 INFO L116 PetriNetUnfolderBase]: 9/40 cut-off events. [2025-04-26 16:56:53,610 INFO L117 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2025-04-26 16:56:53,613 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. [2025-04-26 16:56:53,613 INFO L82 GeneralOperation]: Start removeDead. Operand has 44 places, 46 transitions, 113 flow [2025-04-26 16:56:53,617 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 41 places, 40 transitions, 98 flow [2025-04-26 16:56:53,617 INFO L84 lAbstractionProvider]: Constructed initial Petri net abstraction that has has 41 places, 40 transitions, 98 flow [2025-04-26 16:56:53,624 INFO L135 AmpleReduction]: Starting ample reduction [2025-04-26 16:56:53,836 WARN L140 AmpleReduction]: Number of pruned transitions: 696 [2025-04-26 16:56:53,836 WARN L141 AmpleReduction]: Loop nodes with "changing loop node status": 0 [2025-04-26 16:56:53,836 WARN L142 AmpleReduction]: Number of trivial sets caused by loops: 130 [2025-04-26 16:56:53,837 WARN L143 AmpleReduction]: Number of not loop caused trivial ample sets:22 [2025-04-26 16:56:53,837 WARN L144 AmpleReduction]: Number of initially assigned non-trivial ample sets:345 [2025-04-26 16:56:53,838 WARN L145 AmpleReduction]: Times succ was already a loop node:84 [2025-04-26 16:56:53,838 WARN L146 AmpleReduction]: Times some other node on the cycle already had a trivial ample set:292 [2025-04-26 16:56:53,839 INFO L149 AmpleReduction]: Finished ample reduction [2025-04-26 16:56:53,842 INFO L136 dAbstractionProvider]: Constructed initial ample set-reduced NBA abstraction that has 498 states, 497 states have (on average 2.0321931589537225) internal successors, (in total 1010), 497 states have internal predecessors, (1010), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) [2025-04-26 16:56:53,849 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-04-26 16:56:53,850 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-04-26 16:56:53,850 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-04-26 16:56:53,850 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-04-26 16:56:53,850 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-04-26 16:56:53,850 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-04-26 16:56:53,850 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-04-26 16:56:53,850 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-04-26 16:56:53,854 INFO L73 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 498 states, 497 states have (on average 2.0321931589537225) internal successors, (in total 1010), 497 states have internal predecessors, (1010), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) [2025-04-26 16:56:53,877 INFO L131 ngComponentsAnalysis]: Automaton has 55 accepting balls. 424 [2025-04-26 16:56:53,877 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-04-26 16:56:53,877 INFO L120 BuchiIsEmpty]: Starting construction of run [2025-04-26 16:56:53,883 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2025-04-26 16:56:53,883 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-04-26 16:56:53,883 INFO L340 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-04-26 16:56:53,884 INFO L73 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 498 states, 497 states have (on average 2.0321931589537225) internal successors, (in total 1010), 497 states have internal predecessors, (1010), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) [2025-04-26 16:56:53,898 INFO L131 ngComponentsAnalysis]: Automaton has 55 accepting balls. 424 [2025-04-26 16:56:53,898 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-04-26 16:56:53,898 INFO L120 BuchiIsEmpty]: Starting construction of run [2025-04-26 16:56:53,899 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2025-04-26 16:56:53,899 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-04-26 16:56:53,903 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] $Ultimate##0-->L28: Formula: (<= 1 v_b_2) InVars {b=v_b_2} OutVars{b=v_b_2} AuxVars[] AssignedVars[]" "[115] L28-->L36-2: Formula: (= v_t1_2 1) InVars {} OutVars{t1=v_t1_2} AuxVars[] AssignedVars[t1]" [2025-04-26 16:56:53,904 INFO L754 eck$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]" [2025-04-26 16:56:53,910 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:56:53,910 INFO L85 PathProgramCache]: Analyzing trace with hash 175637, now seen corresponding path program 1 times [2025-04-26 16:56:53,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:56:53,916 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012950311] [2025-04-26 16:56:53,916 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 16:56:53,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:56:53,960 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-26 16:56:53,965 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 16:56:53,966 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:56:53,966 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:56:53,966 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:56:53,968 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-26 16:56:53,969 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 16:56:53,969 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:56:53,969 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:56:53,979 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:56:53,983 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:56:53,983 INFO L85 PathProgramCache]: Analyzing trace with hash 147031, now seen corresponding path program 1 times [2025-04-26 16:56:53,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:56:53,983 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694661154] [2025-04-26 16:56:53,983 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 16:56:53,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:56:53,986 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-26 16:56:53,991 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 16:56:53,991 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:56:53,991 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:56:53,991 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:56:53,992 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-26 16:56:53,994 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 16:56:53,994 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:56:53,994 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:56:53,995 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:56:53,996 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:56:53,996 INFO L85 PathProgramCache]: Analyzing trace with hash 937551811, now seen corresponding path program 1 times [2025-04-26 16:56:53,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:56:53,996 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452206527] [2025-04-26 16:56:53,996 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 16:56:53,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:56:53,999 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-04-26 16:56:54,003 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-04-26 16:56:54,003 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:56:54,004 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:56:54,004 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:56:54,005 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-04-26 16:56:54,006 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-04-26 16:56:54,006 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:56:54,006 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:56:54,007 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:56:54,071 INFO L206 LassoAnalysis]: Preferences: [2025-04-26 16:56:54,072 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-04-26 16:56:54,072 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-04-26 16:56:54,072 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-04-26 16:56:54,072 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-04-26 16:56:54,072 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:56:54,072 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-04-26 16:56:54,072 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-04-26 16:56:54,072 INFO L132 ssoRankerPreferences]: Filename of dumped script: adfg_3_x_t_indep.c.bpl_petrified1_Iteration1_Lasso [2025-04-26 16:56:54,072 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-04-26 16:56:54,072 INFO L243 LassoAnalysis]: Starting lasso preprocessing... [2025-04-26 16:56:54,111 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:56:54,125 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:56:54,130 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:56:54,182 INFO L261 LassoAnalysis]: Preprocessing complete. [2025-04-26 16:56:54,182 INFO L367 LassoAnalysis]: Checking for nontermination... [2025-04-26 16:56:54,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:56:54,192 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:56:54,194 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) [2025-04-26 16:56:54,196 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 [2025-04-26 16:56:54,202 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 16:56:54,202 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 16:56:54,237 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2025-04-26 16:56:54,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:56:54,238 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:56:54,239 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) [2025-04-26 16:56:54,241 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 [2025-04-26 16:56:54,246 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-04-26 16:56:54,246 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 16:56:54,387 INFO L407 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-04-26 16:56:54,394 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 [2025-04-26 16:56:54,394 INFO L206 LassoAnalysis]: Preferences: [2025-04-26 16:56:54,394 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-04-26 16:56:54,394 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-04-26 16:56:54,394 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-04-26 16:56:54,394 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-04-26 16:56:54,394 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:56:54,394 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-04-26 16:56:54,395 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-04-26 16:56:54,395 INFO L132 ssoRankerPreferences]: Filename of dumped script: adfg_3_x_t_indep.c.bpl_petrified1_Iteration1_Lasso [2025-04-26 16:56:54,395 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-04-26 16:56:54,395 INFO L243 LassoAnalysis]: Starting lasso preprocessing... [2025-04-26 16:56:54,396 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:56:54,402 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:56:54,408 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:56:54,447 INFO L261 LassoAnalysis]: Preprocessing complete. [2025-04-26 16:56:54,450 INFO L453 LassoAnalysis]: Using template 'affine'. [2025-04-26 16:56:54,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:56:54,451 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:56:54,453 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) [2025-04-26 16:56:54,454 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 [2025-04-26 16:56:54,455 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 [2025-04-26 16:56:54,465 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:56:54,466 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:56:54,466 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:56:54,466 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:56:54,470 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:56:54,471 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:56:54,476 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:56:54,481 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 [2025-04-26 16:56:54,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:56:54,482 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:56:54,483 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) [2025-04-26 16:56:54,484 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 [2025-04-26 16:56:54,485 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 [2025-04-26 16:56:54,495 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:56:54,495 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:56:54,495 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:56:54,495 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:56:54,499 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:56:54,500 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:56:54,506 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-04-26 16:56:54,511 INFO L436 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2025-04-26 16:56:54,511 INFO L437 ModelExtractionUtils]: 5 out of 13 variables were initially zero. Simplification set additionally 0 variables to zero. [2025-04-26 16:56:54,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:56:54,513 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:56:54,537 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) [2025-04-26 16:56:54,539 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 [2025-04-26 16:56:54,540 INFO L436 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-04-26 16:56:54,558 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2025-04-26 16:56:54,559 INFO L439 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2025-04-26 16:56:54,559 INFO L476 LassoAnalysis]: Proved termination. [2025-04-26 16:56:54,559 INFO L478 LassoAnalysis]: Termination argument consisting of: Ranking function f(x1, n, t1) = -2*x1 + 2*n + 1*t1 Supporting invariants [1*t1 - 1 >= 0] [2025-04-26 16:56:54,565 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 [2025-04-26 16:56:54,574 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2025-04-26 16:56:54,611 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:56:54,617 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-26 16:56:54,618 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 16:56:54,619 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:56:54,619 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 16:56:54,619 INFO L256 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-04-26 16:56:54,620 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 16:56:54,629 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-26 16:56:54,631 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 16:56:54,631 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:56:54,631 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 16:56:54,631 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-04-26 16:56:54,631 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 16:56:54,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-26 16:56:54,684 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 [2025-04-26 16:56:54,687 INFO L70 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 498 states, 497 states have (on average 2.0321931589537225) internal successors, (in total 1010), 497 states have internal predecessors, (1010), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (in total 6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) [2025-04-26 16:56:54,866 INFO L74 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 498 states, 497 states have (on average 2.0321931589537225) internal successors, (in total 1010), 497 states have internal predecessors, (1010), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.0) internal successors, (in total 6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) Result 2040 states and 4148 transitions. Complement of second has 7 states. [2025-04-26 16:56:54,867 INFO L140 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2025-04-26 16:56:54,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (in total 6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) [2025-04-26 16:56:54,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 119 transitions. [2025-04-26 16:56:54,875 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 4 states and 119 transitions. Stem has 3 letters. Loop has 3 letters. [2025-04-26 16:56:54,876 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 16:56:54,876 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 4 states and 119 transitions. Stem has 6 letters. Loop has 3 letters. [2025-04-26 16:56:54,876 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 16:56:54,876 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 4 states and 119 transitions. Stem has 3 letters. Loop has 6 letters. [2025-04-26 16:56:54,876 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 16:56:54,876 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2040 states and 4148 transitions. [2025-04-26 16:56:54,898 INFO L131 ngComponentsAnalysis]: Automaton has 134 accepting balls. 980 [2025-04-26 16:56:54,915 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2040 states to 1647 states and 3323 transitions. [2025-04-26 16:56:54,916 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1244 [2025-04-26 16:56:54,922 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1403 [2025-04-26 16:56:54,922 INFO L74 IsDeterministic]: Start isDeterministic. Operand 1647 states and 3323 transitions. [2025-04-26 16:56:54,923 INFO L81 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-04-26 16:56:54,923 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1647 states and 3323 transitions. [2025-04-26 16:56:54,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1647 states and 3323 transitions. [2025-04-26 16:56:54,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1647 to 822. [2025-04-26 16:56:54,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 822 states, 822 states have (on average 2.153284671532847) internal successors, (in total 1770), 821 states have internal predecessors, (1770), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) [2025-04-26 16:56:54,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 822 states to 822 states and 1770 transitions. [2025-04-26 16:56:54,987 INFO L240 hiAutomatonCegarLoop]: Abstraction has 822 states and 1770 transitions. [2025-04-26 16:56:54,987 INFO L438 stractBuchiCegarLoop]: Abstraction has 822 states and 1770 transitions. [2025-04-26 16:56:54,987 INFO L340 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-04-26 16:56:54,987 INFO L73 BuchiIsEmpty]: Start buchiIsEmpty. Operand 822 states and 1770 transitions. [2025-04-26 16:56:54,991 INFO L131 ngComponentsAnalysis]: Automaton has 55 accepting balls. 424 [2025-04-26 16:56:54,991 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-04-26 16:56:54,991 INFO L120 BuchiIsEmpty]: Starting construction of run [2025-04-26 16:56:54,991 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2025-04-26 16:56:54,991 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-04-26 16:56:54,991 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] $Ultimate##0-->L32: Formula: (< v_b_3 1) InVars {b=v_b_3} OutVars{b=v_b_3} AuxVars[] AssignedVars[]" "[116] L32-->L36-2: Formula: (= (+ v_t1_3 1) 0) InVars {} OutVars{t1=v_t1_3} AuxVars[] AssignedVars[t1]" [2025-04-26 16:56:54,991 INFO L754 eck$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]" [2025-04-26 16:56:54,992 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:56:54,992 INFO L85 PathProgramCache]: Analyzing trace with hash 175669, now seen corresponding path program 1 times [2025-04-26 16:56:54,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:56:54,992 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131517803] [2025-04-26 16:56:54,992 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 16:56:54,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:56:54,996 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-26 16:56:54,997 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 16:56:54,997 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:56:54,997 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:56:54,998 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:56:54,998 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-26 16:56:54,999 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 16:56:54,999 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:56:54,999 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:56:55,000 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:56:55,000 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:56:55,000 INFO L85 PathProgramCache]: Analyzing trace with hash 147063, now seen corresponding path program 1 times [2025-04-26 16:56:55,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:56:55,000 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359058912] [2025-04-26 16:56:55,000 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 16:56:55,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:56:55,002 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-26 16:56:55,004 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 16:56:55,004 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:56:55,004 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:56:55,004 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:56:55,004 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-26 16:56:55,005 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 16:56:55,005 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:56:55,005 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:56:55,006 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:56:55,006 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:56:55,006 INFO L85 PathProgramCache]: Analyzing trace with hash 938505155, now seen corresponding path program 1 times [2025-04-26 16:56:55,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:56:55,007 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43634243] [2025-04-26 16:56:55,007 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 16:56:55,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:56:55,011 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-04-26 16:56:55,012 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-04-26 16:56:55,012 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:56:55,012 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:56:55,013 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:56:55,013 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-04-26 16:56:55,014 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-04-26 16:56:55,014 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:56:55,014 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:56:55,015 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:56:55,060 INFO L206 LassoAnalysis]: Preferences: [2025-04-26 16:56:55,060 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-04-26 16:56:55,060 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-04-26 16:56:55,060 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-04-26 16:56:55,060 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-04-26 16:56:55,060 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:56:55,060 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-04-26 16:56:55,061 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-04-26 16:56:55,061 INFO L132 ssoRankerPreferences]: Filename of dumped script: adfg_3_x_t_indep.c.bpl_petrified1_Iteration2_Lasso [2025-04-26 16:56:55,061 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-04-26 16:56:55,061 INFO L243 LassoAnalysis]: Starting lasso preprocessing... [2025-04-26 16:56:55,061 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:56:55,065 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:56:55,068 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:56:55,099 INFO L261 LassoAnalysis]: Preprocessing complete. [2025-04-26 16:56:55,100 INFO L367 LassoAnalysis]: Checking for nontermination... [2025-04-26 16:56:55,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:56:55,100 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:56:55,101 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) [2025-04-26 16:56:55,103 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 [2025-04-26 16:56:55,104 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 16:56:55,104 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 16:56:55,115 INFO L400 LassoAnalysis]: Proved nontermination for one component. [2025-04-26 16:56:55,115 INFO L403 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread1Thread1of1ForFork0_thidvar0=0} Honda state: {thread1Thread1of1ForFork0_thidvar0=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-04-26 16:56:55,121 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 [2025-04-26 16:56:55,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:56:55,122 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:56:55,123 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) [2025-04-26 16:56:55,125 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 [2025-04-26 16:56:55,126 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 16:56:55,126 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 16:56:55,143 INFO L400 LassoAnalysis]: Proved nontermination for one component. [2025-04-26 16:56:55,143 INFO L403 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {b=0} Honda state: {b=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-04-26 16:56:55,149 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2025-04-26 16:56:55,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:56:55,150 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:56:55,151 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) [2025-04-26 16:56:55,152 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 [2025-04-26 16:56:55,154 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 16:56:55,155 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 16:56:55,171 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 [2025-04-26 16:56:55,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:56:55,172 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:56:55,173 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) [2025-04-26 16:56:55,174 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 [2025-04-26 16:56:55,175 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-04-26 16:56:55,175 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 16:56:55,283 INFO L407 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-04-26 16:56:55,288 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 [2025-04-26 16:56:55,288 INFO L206 LassoAnalysis]: Preferences: [2025-04-26 16:56:55,289 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-04-26 16:56:55,289 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-04-26 16:56:55,289 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-04-26 16:56:55,289 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-04-26 16:56:55,289 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:56:55,289 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-04-26 16:56:55,289 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-04-26 16:56:55,289 INFO L132 ssoRankerPreferences]: Filename of dumped script: adfg_3_x_t_indep.c.bpl_petrified1_Iteration2_Lasso [2025-04-26 16:56:55,289 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-04-26 16:56:55,289 INFO L243 LassoAnalysis]: Starting lasso preprocessing... [2025-04-26 16:56:55,290 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:56:55,293 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:56:55,296 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:56:55,328 INFO L261 LassoAnalysis]: Preprocessing complete. [2025-04-26 16:56:55,328 INFO L453 LassoAnalysis]: Using template 'affine'. [2025-04-26 16:56:55,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:56:55,329 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:56:55,331 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) [2025-04-26 16:56:55,332 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 [2025-04-26 16:56:55,334 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 [2025-04-26 16:56:55,343 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:56:55,343 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:56:55,343 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:56:55,343 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:56:55,345 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:56:55,345 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:56:55,348 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:56:55,353 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2025-04-26 16:56:55,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:56:55,354 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:56:55,386 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) [2025-04-26 16:56:55,387 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 [2025-04-26 16:56:55,387 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 [2025-04-26 16:56:55,397 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:56:55,397 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:56:55,397 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:56:55,397 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:56:55,399 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:56:55,399 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:56:55,402 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:56:55,408 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2025-04-26 16:56:55,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:56:55,408 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:56:55,424 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) [2025-04-26 16:56:55,425 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 [2025-04-26 16:56:55,425 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 [2025-04-26 16:56:55,435 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:56:55,436 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:56:55,436 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:56:55,436 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:56:55,438 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:56:55,438 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:56:55,442 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-04-26 16:56:55,446 INFO L436 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2025-04-26 16:56:55,446 INFO L437 ModelExtractionUtils]: 5 out of 13 variables were initially zero. Simplification set additionally 0 variables to zero. [2025-04-26 16:56:55,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:56:55,446 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:56:55,448 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) [2025-04-26 16:56:55,450 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 [2025-04-26 16:56:55,450 INFO L436 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-04-26 16:56:55,466 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 [2025-04-26 16:56:55,466 INFO L439 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2025-04-26 16:56:55,467 INFO L476 LassoAnalysis]: Proved termination. [2025-04-26 16:56:55,467 INFO L478 LassoAnalysis]: Termination argument consisting of: Ranking function f(t1, n, x1) = -1*t1 + 2*n - 2*x1 Supporting invariants [-1*t1 - 1 >= 0] [2025-04-26 16:56:55,472 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 [2025-04-26 16:56:55,479 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2025-04-26 16:56:55,501 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:56:55,507 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-26 16:56:55,509 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 16:56:55,509 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:56:55,509 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 16:56:55,510 INFO L256 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-04-26 16:56:55,510 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 16:56:55,519 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-26 16:56:55,521 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 16:56:55,522 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:56:55,522 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 16:56:55,522 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-04-26 16:56:55,522 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 16:56:55,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-26 16:56:55,550 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 [2025-04-26 16:56:55,551 INFO L70 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 822 states and 1770 transitions. cyclomatic complexity: 1034 Second operand has 3 states, 3 states have (on average 2.0) internal successors, (in total 6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) [2025-04-26 16:56:55,668 INFO L74 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 822 states and 1770 transitions. cyclomatic complexity: 1034. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (in total 6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) Result 2313 states and 4803 transitions. Complement of second has 7 states. [2025-04-26 16:56:55,668 INFO L140 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2025-04-26 16:56:55,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (in total 6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) [2025-04-26 16:56:55,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 115 transitions. [2025-04-26 16:56:55,669 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 4 states and 115 transitions. Stem has 3 letters. Loop has 3 letters. [2025-04-26 16:56:55,670 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 16:56:55,670 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 4 states and 115 transitions. Stem has 6 letters. Loop has 3 letters. [2025-04-26 16:56:55,670 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 16:56:55,670 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 4 states and 115 transitions. Stem has 3 letters. Loop has 6 letters. [2025-04-26 16:56:55,670 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 16:56:55,670 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2313 states and 4803 transitions. [2025-04-26 16:56:55,685 INFO L131 ngComponentsAnalysis]: Automaton has 134 accepting balls. 980 [2025-04-26 16:56:55,700 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2313 states to 1987 states and 4115 transitions. [2025-04-26 16:56:55,700 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1340 [2025-04-26 16:56:55,704 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1499 [2025-04-26 16:56:55,704 INFO L74 IsDeterministic]: Start isDeterministic. Operand 1987 states and 4115 transitions. [2025-04-26 16:56:55,704 INFO L81 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-04-26 16:56:55,704 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1987 states and 4115 transitions. [2025-04-26 16:56:55,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1987 states and 4115 transitions. [2025-04-26 16:56:55,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1987 to 1162. [2025-04-26 16:56:55,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1162 states, 1162 states have (on average 2.2048192771084336) internal successors, (in total 2562), 1161 states have internal predecessors, (2562), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) [2025-04-26 16:56:55,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1162 states to 1162 states and 2562 transitions. [2025-04-26 16:56:55,742 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1162 states and 2562 transitions. [2025-04-26 16:56:55,742 INFO L438 stractBuchiCegarLoop]: Abstraction has 1162 states and 2562 transitions. [2025-04-26 16:56:55,742 INFO L340 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2025-04-26 16:56:55,742 INFO L73 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1162 states and 2562 transitions. [2025-04-26 16:56:55,746 INFO L131 ngComponentsAnalysis]: Automaton has 55 accepting balls. 424 [2025-04-26 16:56:55,747 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-04-26 16:56:55,747 INFO L120 BuchiIsEmpty]: Starting construction of run [2025-04-26 16:56:55,747 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2025-04-26 16:56:55,747 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-04-26 16:56:55,747 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] $Ultimate##0-->L28: Formula: (<= 1 v_b_2) InVars {b=v_b_2} OutVars{b=v_b_2} AuxVars[] AssignedVars[]" "[115] L28-->L36-2: Formula: (= v_t1_2 1) InVars {} OutVars{t1=v_t1_2} AuxVars[] AssignedVars[t1]" "[118] L36-2-->L36: Formula: (<= v_x1_4 v_n_2) InVars {x1=v_x1_4, n=v_n_2} OutVars{x1=v_x1_4, n=v_n_2} AuxVars[] AssignedVars[]" "[121] L36-->L42: Formula: (< v_b_1 1) InVars {b=v_b_1} OutVars{b=v_b_1} AuxVars[] AssignedVars[]" [2025-04-26 16:56:55,747 INFO L754 eck$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[]" [2025-04-26 16:56:55,748 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:56:55,748 INFO L85 PathProgramCache]: Analyzing trace with hash 168790936, now seen corresponding path program 1 times [2025-04-26 16:56:55,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:56:55,748 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049586514] [2025-04-26 16:56:55,748 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 16:56:55,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:56:55,750 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-04-26 16:56:55,755 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-04-26 16:56:55,755 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:56:55,755 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 16:56:55,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-26 16:56:55,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-26 16:56:55,777 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049586514] [2025-04-26 16:56:55,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2049586514] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-26 16:56:55,778 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-26 16:56:55,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-26 16:56:55,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440142432] [2025-04-26 16:56:55,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-26 16:56:55,781 INFO L757 eck$LassoCheckResult]: stem already infeasible [2025-04-26 16:56:55,781 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:56:55,781 INFO L85 PathProgramCache]: Analyzing trace with hash 151773, now seen corresponding path program 2 times [2025-04-26 16:56:55,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:56:55,781 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858133982] [2025-04-26 16:56:55,781 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-26 16:56:55,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:56:55,785 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 3 statements into 1 equivalence classes. [2025-04-26 16:56:55,788 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 16:56:55,788 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-26 16:56:55,788 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:56:55,788 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:56:55,789 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-26 16:56:55,789 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 16:56:55,791 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:56:55,791 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:56:55,793 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:56:55,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-26 16:56:55,812 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-26 16:56:55,812 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-26 16:56:55,813 INFO L87 Difference]: Start difference. First operand 1162 states and 2562 transitions. cyclomatic complexity: 1517 Second operand has 3 states, 2 states have (on average 2.5) internal successors, (in total 5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) [2025-04-26 16:56:55,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-26 16:56:55,849 INFO L93 Difference]: Finished difference Result 988 states and 1857 transitions. [2025-04-26 16:56:55,849 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 988 states and 1857 transitions. [2025-04-26 16:56:55,854 INFO L131 ngComponentsAnalysis]: Automaton has 89 accepting balls. 393 [2025-04-26 16:56:55,858 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 988 states to 895 states and 1705 transitions. [2025-04-26 16:56:55,858 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 596 [2025-04-26 16:56:55,859 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 612 [2025-04-26 16:56:55,859 INFO L74 IsDeterministic]: Start isDeterministic. Operand 895 states and 1705 transitions. [2025-04-26 16:56:55,859 INFO L81 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-04-26 16:56:55,859 INFO L218 hiAutomatonCegarLoop]: Abstraction has 895 states and 1705 transitions. [2025-04-26 16:56:55,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 895 states and 1705 transitions. [2025-04-26 16:56:55,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 895 to 819. [2025-04-26 16:56:55,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 819 states, 819 states have (on average 1.938949938949939) internal successors, (in total 1588), 818 states have internal predecessors, (1588), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) [2025-04-26 16:56:55,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 819 states to 819 states and 1588 transitions. [2025-04-26 16:56:55,876 INFO L240 hiAutomatonCegarLoop]: Abstraction has 819 states and 1588 transitions. [2025-04-26 16:56:55,876 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-26 16:56:55,877 INFO L438 stractBuchiCegarLoop]: Abstraction has 819 states and 1588 transitions. [2025-04-26 16:56:55,878 INFO L340 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2025-04-26 16:56:55,878 INFO L73 BuchiIsEmpty]: Start buchiIsEmpty. Operand 819 states and 1588 transitions. [2025-04-26 16:56:55,881 INFO L131 ngComponentsAnalysis]: Automaton has 89 accepting balls. 393 [2025-04-26 16:56:55,881 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-04-26 16:56:55,881 INFO L120 BuchiIsEmpty]: Starting construction of run [2025-04-26 16:56:55,881 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2025-04-26 16:56:55,881 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-04-26 16:56:55,881 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] $Ultimate##0-->L32: Formula: (< v_b_3 1) InVars {b=v_b_3} OutVars{b=v_b_3} AuxVars[] AssignedVars[]" "[116] L32-->L36-2: Formula: (= (+ v_t1_3 1) 0) InVars {} OutVars{t1=v_t1_3} AuxVars[] AssignedVars[t1]" "[118] L36-2-->L36: Formula: (<= v_x1_4 v_n_2) InVars {x1=v_x1_4, n=v_n_2} OutVars{x1=v_x1_4, n=v_n_2} AuxVars[] AssignedVars[]" [2025-04-26 16:56:55,881 INFO L754 eck$LassoCheckResult]: Loop: "[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]" "[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[]" [2025-04-26 16:56:55,882 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:56:55,882 INFO L85 PathProgramCache]: Analyzing trace with hash 5445857, now seen corresponding path program 1 times [2025-04-26 16:56:55,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:56:55,882 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700461817] [2025-04-26 16:56:55,882 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 16:56:55,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:56:55,885 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-04-26 16:56:55,886 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-04-26 16:56:55,886 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:56:55,886 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:56:55,886 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:56:55,887 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-04-26 16:56:55,888 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-04-26 16:56:55,888 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:56:55,888 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:56:55,888 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:56:55,889 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:56:55,889 INFO L85 PathProgramCache]: Analyzing trace with hash 149011, now seen corresponding path program 2 times [2025-04-26 16:56:55,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:56:55,889 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872691324] [2025-04-26 16:56:55,889 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-26 16:56:55,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:56:55,895 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 3 statements into 1 equivalence classes. [2025-04-26 16:56:55,895 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 16:56:55,896 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-26 16:56:55,896 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:56:55,896 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:56:55,896 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-26 16:56:55,901 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 16:56:55,902 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:56:55,902 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:56:55,902 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:56:55,903 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:56:55,903 INFO L85 PathProgramCache]: Analyzing trace with hash -971112141, now seen corresponding path program 1 times [2025-04-26 16:56:55,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:56:55,903 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377965586] [2025-04-26 16:56:55,903 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 16:56:55,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:56:55,906 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-04-26 16:56:55,912 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-04-26 16:56:55,912 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:56:55,912 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 16:56:55,928 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-26 16:56:55,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-26 16:56:55,928 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377965586] [2025-04-26 16:56:55,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [377965586] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-26 16:56:55,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-26 16:56:55,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-26 16:56:55,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462079612] [2025-04-26 16:56:55,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-26 16:56:55,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-26 16:56:55,947 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-26 16:56:55,947 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-26 16:56:55,948 INFO L87 Difference]: Start difference. First operand 819 states and 1588 transitions. cyclomatic complexity: 896 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (in total 7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) [2025-04-26 16:56:55,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-26 16:56:55,971 INFO L93 Difference]: Finished difference Result 568 states and 1014 transitions. [2025-04-26 16:56:55,971 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 568 states and 1014 transitions. [2025-04-26 16:56:55,973 INFO L131 ngComponentsAnalysis]: Automaton has 42 accepting balls. 162 [2025-04-26 16:56:55,975 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 568 states to 508 states and 903 transitions. [2025-04-26 16:56:55,975 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 238 [2025-04-26 16:56:55,976 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 238 [2025-04-26 16:56:55,976 INFO L74 IsDeterministic]: Start isDeterministic. Operand 508 states and 903 transitions. [2025-04-26 16:56:55,976 INFO L81 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-04-26 16:56:55,976 INFO L218 hiAutomatonCegarLoop]: Abstraction has 508 states and 903 transitions. [2025-04-26 16:56:55,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 508 states and 903 transitions. [2025-04-26 16:56:55,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 508 to 508. [2025-04-26 16:56:55,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 508 states, 508 states have (on average 1.7775590551181102) internal successors, (in total 903), 507 states have internal predecessors, (903), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) [2025-04-26 16:56:55,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 508 states and 903 transitions. [2025-04-26 16:56:55,984 INFO L240 hiAutomatonCegarLoop]: Abstraction has 508 states and 903 transitions. [2025-04-26 16:56:55,984 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-26 16:56:55,984 INFO L438 stractBuchiCegarLoop]: Abstraction has 508 states and 903 transitions. [2025-04-26 16:56:55,984 INFO L340 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2025-04-26 16:56:55,984 INFO L73 BuchiIsEmpty]: Start buchiIsEmpty. Operand 508 states and 903 transitions. [2025-04-26 16:56:55,986 INFO L131 ngComponentsAnalysis]: Automaton has 42 accepting balls. 162 [2025-04-26 16:56:55,986 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-04-26 16:56:55,986 INFO L120 BuchiIsEmpty]: Starting construction of run [2025-04-26 16:56:55,986 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-04-26 16:56:55,986 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-04-26 16:56:55,986 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] $Ultimate##0-->L52: Formula: (<= 1 v_b_7) InVars {b=v_b_7} OutVars{b=v_b_7} AuxVars[] AssignedVars[]" "[126] L52-->L60-2: Formula: (= v_t2_3 1) InVars {} OutVars{t2=v_t2_3} AuxVars[] AssignedVars[t2]" [2025-04-26 16:56:55,986 INFO L754 eck$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]" [2025-04-26 16:56:55,987 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:56:55,987 INFO L85 PathProgramCache]: Analyzing trace with hash -956763262, now seen corresponding path program 1 times [2025-04-26 16:56:55,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:56:55,987 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011072354] [2025-04-26 16:56:55,987 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 16:56:55,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:56:55,989 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-04-26 16:56:55,990 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-04-26 16:56:55,990 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:56:55,990 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:56:55,990 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:56:55,991 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-04-26 16:56:55,992 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-04-26 16:56:55,992 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:56:55,992 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:56:55,993 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:56:55,993 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:56:55,993 INFO L85 PathProgramCache]: Analyzing trace with hash 157954, now seen corresponding path program 1 times [2025-04-26 16:56:55,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:56:55,994 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869367638] [2025-04-26 16:56:55,994 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 16:56:55,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:56:55,995 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-26 16:56:55,996 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 16:56:55,996 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:56:55,996 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:56:55,996 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:56:55,997 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-26 16:56:55,997 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 16:56:55,997 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:56:55,997 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:56:55,998 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:56:55,998 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:56:55,999 INFO L85 PathProgramCache]: Analyzing trace with hash -1531233823, now seen corresponding path program 1 times [2025-04-26 16:56:55,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:56:55,999 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596783725] [2025-04-26 16:56:55,999 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 16:56:55,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:56:56,001 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-04-26 16:56:56,002 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-04-26 16:56:56,003 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:56:56,003 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:56:56,003 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:56:56,003 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-04-26 16:56:56,005 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-04-26 16:56:56,005 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:56:56,005 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:56:56,006 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:56:56,052 INFO L206 LassoAnalysis]: Preferences: [2025-04-26 16:56:56,052 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-04-26 16:56:56,052 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-04-26 16:56:56,052 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-04-26 16:56:56,052 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-04-26 16:56:56,052 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:56:56,052 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-04-26 16:56:56,053 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-04-26 16:56:56,053 INFO L132 ssoRankerPreferences]: Filename of dumped script: adfg_3_x_t_indep.c.bpl_petrified1_Iteration5_Lasso [2025-04-26 16:56:56,053 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-04-26 16:56:56,053 INFO L243 LassoAnalysis]: Starting lasso preprocessing... [2025-04-26 16:56:56,053 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:56:56,056 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:56:56,058 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:56:56,061 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:56:56,067 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:56:56,069 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:56:56,132 INFO L261 LassoAnalysis]: Preprocessing complete. [2025-04-26 16:56:56,132 INFO L367 LassoAnalysis]: Checking for nontermination... [2025-04-26 16:56:56,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:56:56,132 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:56:56,135 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) [2025-04-26 16:56:56,136 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 [2025-04-26 16:56:56,138 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 16:56:56,138 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 16:56:56,156 INFO L400 LassoAnalysis]: Proved nontermination for one component. [2025-04-26 16:56:56,156 INFO L403 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {b=1} Honda state: {b=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-04-26 16:56:56,162 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 [2025-04-26 16:56:56,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:56:56,163 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:56:56,165 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) [2025-04-26 16:56:56,165 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 [2025-04-26 16:56:56,166 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 16:56:56,166 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 16:56:56,177 INFO L400 LassoAnalysis]: Proved nontermination for one component. [2025-04-26 16:56:56,177 INFO L403 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread2Thread1of1ForFork1_thidvar0=0} Honda state: {thread2Thread1of1ForFork1_thidvar0=2} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-04-26 16:56:56,182 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2025-04-26 16:56:56,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:56:56,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:56:56,184 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) [2025-04-26 16:56:56,185 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 [2025-04-26 16:56:56,186 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 16:56:56,186 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 16:56:56,197 INFO L400 LassoAnalysis]: Proved nontermination for one component. [2025-04-26 16:56:56,197 INFO L403 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread1Thread1of1ForFork0_thidvar0=0} Honda state: {thread1Thread1of1ForFork0_thidvar0=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-04-26 16:56:56,203 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 [2025-04-26 16:56:56,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:56:56,203 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:56:56,205 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) [2025-04-26 16:56:56,206 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 [2025-04-26 16:56:56,208 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 16:56:56,208 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 16:56:56,227 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 [2025-04-26 16:56:56,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:56:56,227 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:56:56,229 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) [2025-04-26 16:56:56,230 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 [2025-04-26 16:56:56,230 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-04-26 16:56:56,230 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 16:56:56,376 INFO L407 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-04-26 16:56:56,382 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2025-04-26 16:56:56,382 INFO L206 LassoAnalysis]: Preferences: [2025-04-26 16:56:56,383 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-04-26 16:56:56,383 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-04-26 16:56:56,383 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-04-26 16:56:56,383 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-04-26 16:56:56,383 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:56:56,383 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-04-26 16:56:56,383 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-04-26 16:56:56,383 INFO L132 ssoRankerPreferences]: Filename of dumped script: adfg_3_x_t_indep.c.bpl_petrified1_Iteration5_Lasso [2025-04-26 16:56:56,383 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-04-26 16:56:56,383 INFO L243 LassoAnalysis]: Starting lasso preprocessing... [2025-04-26 16:56:56,384 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:56:56,387 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:56:56,389 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:56:56,394 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:56:56,404 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:56:56,406 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:56:56,460 INFO L261 LassoAnalysis]: Preprocessing complete. [2025-04-26 16:56:56,460 INFO L453 LassoAnalysis]: Using template 'affine'. [2025-04-26 16:56:56,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:56:56,460 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:56:56,462 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) [2025-04-26 16:56:56,463 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 [2025-04-26 16:56:56,465 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 [2025-04-26 16:56:56,474 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:56:56,475 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:56:56,475 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:56:56,475 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:56:56,476 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:56:56,476 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:56:56,479 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:56:56,484 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2025-04-26 16:56:56,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:56:56,484 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:56:56,486 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) [2025-04-26 16:56:56,487 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 [2025-04-26 16:56:56,488 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 [2025-04-26 16:56:56,497 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:56:56,497 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:56:56,497 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:56:56,497 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:56:56,500 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:56:56,500 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:56:56,503 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:56:56,510 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 [2025-04-26 16:56:56,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:56:56,511 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:56:56,512 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) [2025-04-26 16:56:56,515 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 [2025-04-26 16:56:56,516 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 [2025-04-26 16:56:56,526 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:56:56,527 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:56:56,527 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:56:56,527 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:56:56,528 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:56:56,529 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:56:56,532 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:56:56,538 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 [2025-04-26 16:56:56,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:56:56,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:56:56,541 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) [2025-04-26 16:56:56,547 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 [2025-04-26 16:56:56,550 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 [2025-04-26 16:56:56,557 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:56:56,557 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:56:56,557 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:56:56,557 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:56:56,562 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:56:56,562 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:56:56,567 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-04-26 16:56:56,574 INFO L436 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2025-04-26 16:56:56,574 INFO L437 ModelExtractionUtils]: 9 out of 16 variables were initially zero. Simplification set additionally 1 variables to zero. [2025-04-26 16:56:56,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:56:56,575 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:56:56,576 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) [2025-04-26 16:56:56,578 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 [2025-04-26 16:56:56,579 INFO L436 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-04-26 16:56:56,596 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2025-04-26 16:56:56,596 INFO L439 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2025-04-26 16:56:56,596 INFO L476 LassoAnalysis]: Proved termination. [2025-04-26 16:56:56,597 INFO L478 LassoAnalysis]: Termination argument consisting of: Ranking function f(n, x2) = 2*n - 2*x2 + 1 Supporting invariants [1*t2 - 1 >= 0] [2025-04-26 16:56:56,602 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2025-04-26 16:56:56,605 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2025-04-26 16:56:56,623 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:56:56,626 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-04-26 16:56:56,628 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-04-26 16:56:56,628 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:56:56,628 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 16:56:56,629 INFO L256 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-04-26 16:56:56,629 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 16:56:56,647 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-26 16:56:56,647 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 16:56:56,648 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:56:56,648 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 16:56:56,648 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-04-26 16:56:56,648 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 16:56:56,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-26 16:56:56,669 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 [2025-04-26 16:56:56,669 INFO L70 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 508 states and 903 transitions. cyclomatic complexity: 471 Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (in total 11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) [2025-04-26 16:56:56,732 INFO L74 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 508 states and 903 transitions. cyclomatic complexity: 471. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (in total 11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) Result 805 states and 1463 transitions. Complement of second has 6 states. [2025-04-26 16:56:56,732 INFO L140 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2025-04-26 16:56:56,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (in total 11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) [2025-04-26 16:56:56,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 82 transitions. [2025-04-26 16:56:56,733 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 4 states and 82 transitions. Stem has 8 letters. Loop has 3 letters. [2025-04-26 16:56:56,733 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 16:56:56,733 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 4 states and 82 transitions. Stem has 11 letters. Loop has 3 letters. [2025-04-26 16:56:56,733 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 16:56:56,733 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 4 states and 82 transitions. Stem has 8 letters. Loop has 6 letters. [2025-04-26 16:56:56,733 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 16:56:56,733 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 805 states and 1463 transitions. [2025-04-26 16:56:56,738 INFO L131 ngComponentsAnalysis]: Automaton has 28 accepting balls. 102 [2025-04-26 16:56:56,740 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 805 states to 541 states and 955 transitions. [2025-04-26 16:56:56,740 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 203 [2025-04-26 16:56:56,741 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 223 [2025-04-26 16:56:56,741 INFO L74 IsDeterministic]: Start isDeterministic. Operand 541 states and 955 transitions. [2025-04-26 16:56:56,741 INFO L81 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-04-26 16:56:56,741 INFO L218 hiAutomatonCegarLoop]: Abstraction has 541 states and 955 transitions. [2025-04-26 16:56:56,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 541 states and 955 transitions. [2025-04-26 16:56:56,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 541 to 523. [2025-04-26 16:56:56,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 523 states, 523 states have (on average 1.7782026768642447) internal successors, (in total 930), 522 states have internal predecessors, (930), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) [2025-04-26 16:56:56,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 930 transitions. [2025-04-26 16:56:56,749 INFO L240 hiAutomatonCegarLoop]: Abstraction has 523 states and 930 transitions. [2025-04-26 16:56:56,749 INFO L438 stractBuchiCegarLoop]: Abstraction has 523 states and 930 transitions. [2025-04-26 16:56:56,749 INFO L340 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2025-04-26 16:56:56,749 INFO L73 BuchiIsEmpty]: Start buchiIsEmpty. Operand 523 states and 930 transitions. [2025-04-26 16:56:56,751 INFO L131 ngComponentsAnalysis]: Automaton has 28 accepting balls. 102 [2025-04-26 16:56:56,751 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-04-26 16:56:56,751 INFO L120 BuchiIsEmpty]: Starting construction of run [2025-04-26 16:56:56,751 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-04-26 16:56:56,751 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-04-26 16:56:56,751 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] $Ultimate##0-->L56: Formula: (< v_b_8 1) InVars {b=v_b_8} OutVars{b=v_b_8} AuxVars[] AssignedVars[]" "[127] L56-->L60-2: Formula: (= (+ v_t2_4 1) 0) InVars {} OutVars{t2=v_t2_4} AuxVars[] AssignedVars[t2]" [2025-04-26 16:56:56,752 INFO L754 eck$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]" [2025-04-26 16:56:56,752 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:56:56,752 INFO L85 PathProgramCache]: Analyzing trace with hash -40630398, now seen corresponding path program 1 times [2025-04-26 16:56:56,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:56:56,753 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124054506] [2025-04-26 16:56:56,753 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 16:56:56,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:56:56,756 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-04-26 16:56:56,758 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-04-26 16:56:56,758 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:56:56,758 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:56:56,758 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:56:56,759 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-04-26 16:56:56,762 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-04-26 16:56:56,762 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:56:56,762 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:56:56,763 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:56:56,763 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:56:56,763 INFO L85 PathProgramCache]: Analyzing trace with hash 157986, now seen corresponding path program 1 times [2025-04-26 16:56:56,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:56:56,764 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070015165] [2025-04-26 16:56:56,764 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 16:56:56,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:56:56,765 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-26 16:56:56,767 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 16:56:56,767 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:56:56,767 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:56:56,767 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:56:56,768 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-26 16:56:56,768 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 16:56:56,768 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:56:56,769 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:56:56,769 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:56:56,769 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:56:56,770 INFO L85 PathProgramCache]: Analyzing trace with hash 760718849, now seen corresponding path program 1 times [2025-04-26 16:56:56,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:56:56,770 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804036444] [2025-04-26 16:56:56,770 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 16:56:56,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:56:56,771 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-04-26 16:56:56,773 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-04-26 16:56:56,773 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:56:56,773 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:56:56,773 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:56:56,773 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-04-26 16:56:56,775 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-04-26 16:56:56,775 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:56:56,775 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:56:56,777 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:56:56,835 INFO L206 LassoAnalysis]: Preferences: [2025-04-26 16:56:56,836 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-04-26 16:56:56,836 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-04-26 16:56:56,836 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-04-26 16:56:56,836 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-04-26 16:56:56,836 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:56:56,836 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-04-26 16:56:56,836 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-04-26 16:56:56,836 INFO L132 ssoRankerPreferences]: Filename of dumped script: adfg_3_x_t_indep.c.bpl_petrified1_Iteration6_Lasso [2025-04-26 16:56:56,836 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-04-26 16:56:56,836 INFO L243 LassoAnalysis]: Starting lasso preprocessing... [2025-04-26 16:56:56,837 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:56:56,843 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:56:56,853 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:56:56,856 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:56:56,857 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:56:56,859 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:56:56,909 INFO L261 LassoAnalysis]: Preprocessing complete. [2025-04-26 16:56:56,909 INFO L367 LassoAnalysis]: Checking for nontermination... [2025-04-26 16:56:56,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:56:56,910 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:56:56,913 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) [2025-04-26 16:56:56,915 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 [2025-04-26 16:56:56,916 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 16:56:56,916 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 16:56:56,927 INFO L400 LassoAnalysis]: Proved nontermination for one component. [2025-04-26 16:56:56,927 INFO L403 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread1Thread1of1ForFork0_thidvar0=0} Honda state: {thread1Thread1of1ForFork0_thidvar0=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-04-26 16:56:56,932 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2025-04-26 16:56:56,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:56:56,933 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:56:56,934 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) [2025-04-26 16:56:56,935 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 [2025-04-26 16:56:56,936 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 16:56:56,936 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 16:56:56,952 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 [2025-04-26 16:56:56,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:56:56,952 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:56:56,954 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) [2025-04-26 16:56:56,955 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 [2025-04-26 16:56:56,956 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-04-26 16:56:56,956 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 16:56:57,083 INFO L407 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-04-26 16:56:57,090 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 [2025-04-26 16:56:57,090 INFO L206 LassoAnalysis]: Preferences: [2025-04-26 16:56:57,090 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-04-26 16:56:57,090 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-04-26 16:56:57,090 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-04-26 16:56:57,090 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-04-26 16:56:57,090 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:56:57,090 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-04-26 16:56:57,090 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-04-26 16:56:57,090 INFO L132 ssoRankerPreferences]: Filename of dumped script: adfg_3_x_t_indep.c.bpl_petrified1_Iteration6_Lasso [2025-04-26 16:56:57,090 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-04-26 16:56:57,090 INFO L243 LassoAnalysis]: Starting lasso preprocessing... [2025-04-26 16:56:57,091 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:56:57,094 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:56:57,096 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:56:57,097 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:56:57,103 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:56:57,105 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:56:57,154 INFO L261 LassoAnalysis]: Preprocessing complete. [2025-04-26 16:56:57,154 INFO L453 LassoAnalysis]: Using template 'affine'. [2025-04-26 16:56:57,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:56:57,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:56:57,158 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) [2025-04-26 16:56:57,159 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 [2025-04-26 16:56:57,160 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 [2025-04-26 16:56:57,169 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:56:57,170 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:56:57,170 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:56:57,170 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:56:57,171 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:56:57,171 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:56:57,174 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:56:57,181 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2025-04-26 16:56:57,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:56:57,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:56:57,184 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) [2025-04-26 16:56:57,188 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 [2025-04-26 16:56:57,189 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 [2025-04-26 16:56:57,201 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:56:57,201 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:56:57,201 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:56:57,201 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:56:57,203 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:56:57,203 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:56:57,206 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:56:57,213 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 [2025-04-26 16:56:57,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:56:57,213 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:56:57,215 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) [2025-04-26 16:56:57,217 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 [2025-04-26 16:56:57,217 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-04-26 16:56:57,227 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:56:57,227 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:56:57,227 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:56:57,227 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:56:57,228 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:56:57,228 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:56:57,232 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:56:57,238 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 [2025-04-26 16:56:57,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:56:57,238 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:56:57,240 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) [2025-04-26 16:56:57,241 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 [2025-04-26 16:56:57,243 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 [2025-04-26 16:56:57,254 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:56:57,254 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:56:57,254 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:56:57,254 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:56:57,256 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:56:57,256 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:56:57,261 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-04-26 16:56:57,267 INFO L436 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2025-04-26 16:56:57,267 INFO L437 ModelExtractionUtils]: 9 out of 16 variables were initially zero. Simplification set additionally 1 variables to zero. [2025-04-26 16:56:57,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:56:57,267 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:56:57,269 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) [2025-04-26 16:56:57,270 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 [2025-04-26 16:56:57,271 INFO L436 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-04-26 16:56:57,287 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 [2025-04-26 16:56:57,287 INFO L439 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2025-04-26 16:56:57,287 INFO L476 LassoAnalysis]: Proved termination. [2025-04-26 16:56:57,287 INFO L478 LassoAnalysis]: Termination argument consisting of: Ranking function f(n, x2) = 2*n - 2*x2 + 1 Supporting invariants [-1*t2 - 1 >= 0] [2025-04-26 16:56:57,293 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2025-04-26 16:56:57,295 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2025-04-26 16:56:57,312 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:56:57,315 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-04-26 16:56:57,316 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-04-26 16:56:57,317 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:56:57,317 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 16:56:57,317 INFO L256 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-04-26 16:56:57,317 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 16:56:57,326 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-26 16:56:57,327 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 16:56:57,327 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:56:57,327 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 16:56:57,327 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-04-26 16:56:57,328 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 16:56:57,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-26 16:56:57,356 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 [2025-04-26 16:56:57,356 INFO L70 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 523 states and 930 transitions. cyclomatic complexity: 476 Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (in total 11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) [2025-04-26 16:56:57,416 INFO L74 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 523 states and 930 transitions. cyclomatic complexity: 476. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (in total 11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) Result 820 states and 1490 transitions. Complement of second has 6 states. [2025-04-26 16:56:57,416 INFO L140 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2025-04-26 16:56:57,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (in total 11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) [2025-04-26 16:56:57,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 82 transitions. [2025-04-26 16:56:57,417 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 4 states and 82 transitions. Stem has 8 letters. Loop has 3 letters. [2025-04-26 16:56:57,417 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 16:56:57,417 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 4 states and 82 transitions. Stem has 11 letters. Loop has 3 letters. [2025-04-26 16:56:57,417 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 16:56:57,417 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 4 states and 82 transitions. Stem has 8 letters. Loop has 6 letters. [2025-04-26 16:56:57,417 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 16:56:57,417 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 820 states and 1490 transitions. [2025-04-26 16:56:57,439 INFO L131 ngComponentsAnalysis]: Automaton has 14 accepting balls. 42 [2025-04-26 16:56:57,442 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 820 states to 556 states and 982 transitions. [2025-04-26 16:56:57,442 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 170 [2025-04-26 16:56:57,442 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 190 [2025-04-26 16:56:57,442 INFO L74 IsDeterministic]: Start isDeterministic. Operand 556 states and 982 transitions. [2025-04-26 16:56:57,442 INFO L81 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-04-26 16:56:57,442 INFO L218 hiAutomatonCegarLoop]: Abstraction has 556 states and 982 transitions. [2025-04-26 16:56:57,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 556 states and 982 transitions. [2025-04-26 16:56:57,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 556 to 538. [2025-04-26 16:56:57,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 538 states, 538 states have (on average 1.778810408921933) internal successors, (in total 957), 537 states have internal predecessors, (957), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) [2025-04-26 16:56:57,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 957 transitions. [2025-04-26 16:56:57,450 INFO L240 hiAutomatonCegarLoop]: Abstraction has 538 states and 957 transitions. [2025-04-26 16:56:57,450 INFO L438 stractBuchiCegarLoop]: Abstraction has 538 states and 957 transitions. [2025-04-26 16:56:57,450 INFO L340 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2025-04-26 16:56:57,450 INFO L73 BuchiIsEmpty]: Start buchiIsEmpty. Operand 538 states and 957 transitions. [2025-04-26 16:56:57,451 INFO L131 ngComponentsAnalysis]: Automaton has 14 accepting balls. 42 [2025-04-26 16:56:57,451 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-04-26 16:56:57,451 INFO L120 BuchiIsEmpty]: Starting construction of run [2025-04-26 16:56:57,452 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-26 16:56:57,452 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-04-26 16:56:57,452 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] $Ultimate##0-->L52: Formula: (<= 1 v_b_7) InVars {b=v_b_7} OutVars{b=v_b_7} AuxVars[] AssignedVars[]" "[126] L52-->L60-2: Formula: (= v_t2_3 1) InVars {} OutVars{t2=v_t2_3} AuxVars[] AssignedVars[t2]" "[128] L60-2-->thread2FINAL: Formula: (< v_n_4 v_x2_6) InVars {x2=v_x2_6, n=v_n_4} OutVars{x2=v_x2_6, n=v_n_4} AuxVars[] AssignedVars[]" "[130] thread2FINAL-->thread2EXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[]" "[154] L16-->$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]" "[135] $Ultimate##0-->L76: Formula: (<= 1 v_b_12) InVars {b=v_b_12} OutVars{b=v_b_12} AuxVars[] AssignedVars[]" "[137] L76-->L84-2: Formula: (= v_t3_4 1) InVars {} OutVars{t3=v_t3_4} AuxVars[] AssignedVars[t3]" [2025-04-26 16:56:57,452 INFO L754 eck$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]" [2025-04-26 16:56:57,452 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:56:57,452 INFO L85 PathProgramCache]: Analyzing trace with hash 1657149816, now seen corresponding path program 1 times [2025-04-26 16:56:57,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:56:57,453 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617551513] [2025-04-26 16:56:57,453 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 16:56:57,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:56:57,455 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-04-26 16:56:57,457 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-04-26 16:56:57,457 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:56:57,457 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:56:57,457 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:56:57,457 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-04-26 16:56:57,459 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-04-26 16:56:57,459 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:56:57,459 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:56:57,460 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:56:57,460 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:56:57,460 INFO L85 PathProgramCache]: Analyzing trace with hash 168877, now seen corresponding path program 1 times [2025-04-26 16:56:57,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:56:57,460 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395687271] [2025-04-26 16:56:57,460 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 16:56:57,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:56:57,466 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-26 16:56:57,467 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 16:56:57,467 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:56:57,467 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:56:57,467 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:56:57,467 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-26 16:56:57,468 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 16:56:57,468 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:56:57,468 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:56:57,468 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:56:57,469 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:56:57,469 INFO L85 PathProgramCache]: Analyzing trace with hash 1796207318, now seen corresponding path program 1 times [2025-04-26 16:56:57,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:56:57,469 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641760177] [2025-04-26 16:56:57,469 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 16:56:57,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:56:57,474 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-04-26 16:56:57,480 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-04-26 16:56:57,480 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:56:57,480 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:56:57,480 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:56:57,481 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-04-26 16:56:57,485 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-04-26 16:56:57,485 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:56:57,485 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:56:57,486 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:56:57,560 INFO L206 LassoAnalysis]: Preferences: [2025-04-26 16:56:57,560 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-04-26 16:56:57,560 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-04-26 16:56:57,560 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-04-26 16:56:57,560 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-04-26 16:56:57,560 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:56:57,560 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-04-26 16:56:57,560 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-04-26 16:56:57,560 INFO L132 ssoRankerPreferences]: Filename of dumped script: adfg_3_x_t_indep.c.bpl_petrified1_Iteration7_Lasso [2025-04-26 16:56:57,560 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-04-26 16:56:57,560 INFO L243 LassoAnalysis]: Starting lasso preprocessing... [2025-04-26 16:56:57,561 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:56:57,563 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:56:57,565 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:56:57,567 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:56:57,569 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:56:57,571 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:56:57,573 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:56:57,575 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:56:57,577 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:56:57,583 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:56:57,641 INFO L261 LassoAnalysis]: Preprocessing complete. [2025-04-26 16:56:57,641 INFO L367 LassoAnalysis]: Checking for nontermination... [2025-04-26 16:56:57,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:56:57,641 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:56:57,643 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) [2025-04-26 16:56:57,644 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 [2025-04-26 16:56:57,644 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 16:56:57,644 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 16:56:57,656 INFO L400 LassoAnalysis]: Proved nontermination for one component. [2025-04-26 16:56:57,656 INFO L403 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread1Thread1of1ForFork0_thidvar0=0} Honda state: {thread1Thread1of1ForFork0_thidvar0=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-04-26 16:56:57,662 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2025-04-26 16:56:57,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:56:57,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:56:57,664 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) [2025-04-26 16:56:57,665 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 [2025-04-26 16:56:57,666 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 16:56:57,666 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 16:56:57,677 INFO L400 LassoAnalysis]: Proved nontermination for one component. [2025-04-26 16:56:57,677 INFO L403 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {t1=0} Honda state: {t1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-04-26 16:56:57,682 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2025-04-26 16:56:57,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:56:57,683 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:56:57,684 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) [2025-04-26 16:56:57,685 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 [2025-04-26 16:56:57,686 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 16:56:57,686 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 16:56:57,703 INFO L400 LassoAnalysis]: Proved nontermination for one component. [2025-04-26 16:56:57,704 INFO L403 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {b=1} Honda state: {b=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-04-26 16:56:57,709 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2025-04-26 16:56:57,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:56:57,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:56:57,711 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) [2025-04-26 16:56:57,712 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 [2025-04-26 16:56:57,713 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 16:56:57,713 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 16:56:57,723 INFO L400 LassoAnalysis]: Proved nontermination for one component. [2025-04-26 16:56:57,724 INFO L403 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {t2=0} Honda state: {t2=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-04-26 16:56:57,729 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2025-04-26 16:56:57,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:56:57,729 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:56:57,731 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) [2025-04-26 16:56:57,731 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 [2025-04-26 16:56:57,732 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 16:56:57,732 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 16:56:57,743 INFO L400 LassoAnalysis]: Proved nontermination for one component. [2025-04-26 16:56:57,743 INFO L403 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread2Thread1of1ForFork1_thidvar1=0} Honda state: {thread2Thread1of1ForFork1_thidvar1=2} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-04-26 16:56:57,749 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2025-04-26 16:56:57,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:56:57,749 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:56:57,751 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) [2025-04-26 16:56:57,752 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 [2025-04-26 16:56:57,752 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 16:56:57,752 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 16:56:57,763 INFO L400 LassoAnalysis]: Proved nontermination for one component. [2025-04-26 16:56:57,763 INFO L403 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread2Thread1of1ForFork1_thidvar0=0} Honda state: {thread2Thread1of1ForFork1_thidvar0=2} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-04-26 16:56:57,769 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 [2025-04-26 16:56:57,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:56:57,770 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:56:57,771 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) [2025-04-26 16:56:57,771 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 [2025-04-26 16:56:57,772 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 16:56:57,772 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 16:56:57,783 INFO L400 LassoAnalysis]: Proved nontermination for one component. [2025-04-26 16:56:57,783 INFO L403 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread3Thread1of1ForFork2_thidvar0=0} Honda state: {thread3Thread1of1ForFork2_thidvar0=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-04-26 16:56:57,788 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 [2025-04-26 16:56:57,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:56:57,789 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:56:57,790 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) [2025-04-26 16:56:57,792 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 [2025-04-26 16:56:57,792 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 16:56:57,792 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 16:56:57,803 INFO L400 LassoAnalysis]: Proved nontermination for one component. [2025-04-26 16:56:57,803 INFO L403 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread3Thread1of1ForFork2_thidvar2=0} Honda state: {thread3Thread1of1ForFork2_thidvar2=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-04-26 16:56:57,808 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 [2025-04-26 16:56:57,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:56:57,808 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:56:57,810 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) [2025-04-26 16:56:57,811 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 [2025-04-26 16:56:57,811 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 16:56:57,812 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 16:56:57,829 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2025-04-26 16:56:57,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:56:57,830 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:56:57,831 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) [2025-04-26 16:56:57,833 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 [2025-04-26 16:56:57,834 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-04-26 16:56:57,834 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 16:56:57,992 INFO L407 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-04-26 16:56:57,999 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2025-04-26 16:56:57,999 INFO L206 LassoAnalysis]: Preferences: [2025-04-26 16:56:57,999 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-04-26 16:56:57,999 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-04-26 16:56:57,999 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-04-26 16:56:57,999 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-04-26 16:56:57,999 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:56:57,999 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-04-26 16:56:57,999 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-04-26 16:56:57,999 INFO L132 ssoRankerPreferences]: Filename of dumped script: adfg_3_x_t_indep.c.bpl_petrified1_Iteration7_Lasso [2025-04-26 16:56:57,999 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-04-26 16:56:57,999 INFO L243 LassoAnalysis]: Starting lasso preprocessing... [2025-04-26 16:56:58,000 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:56:58,006 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:56:58,009 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:56:58,012 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:56:58,014 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:56:58,016 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:56:58,020 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:56:58,022 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:56:58,031 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:56:58,034 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:56:58,106 INFO L261 LassoAnalysis]: Preprocessing complete. [2025-04-26 16:56:58,106 INFO L453 LassoAnalysis]: Using template 'affine'. [2025-04-26 16:56:58,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:56:58,107 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:56:58,108 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) [2025-04-26 16:56:58,109 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 [2025-04-26 16:56:58,110 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-04-26 16:56:58,119 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:56:58,120 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:56:58,120 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:56:58,120 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:56:58,121 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:56:58,121 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:56:58,123 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:56:58,128 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2025-04-26 16:56:58,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:56:58,128 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:56:58,130 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) [2025-04-26 16:56:58,131 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 [2025-04-26 16:56:58,132 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 [2025-04-26 16:56:58,141 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:56:58,141 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:56:58,141 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:56:58,141 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:56:58,142 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:56:58,142 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:56:58,144 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:56:58,151 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2025-04-26 16:56:58,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:56:58,152 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:56:58,153 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) [2025-04-26 16:56:58,155 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 [2025-04-26 16:56:58,156 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 [2025-04-26 16:56:58,166 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:56:58,166 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:56:58,166 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:56:58,166 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:56:58,167 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:56:58,167 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:56:58,169 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:56:58,175 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2025-04-26 16:56:58,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:56:58,175 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:56:58,177 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) [2025-04-26 16:56:58,177 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 [2025-04-26 16:56:58,179 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 [2025-04-26 16:56:58,188 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:56:58,188 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:56:58,188 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:56:58,188 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:56:58,189 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:56:58,189 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:56:58,191 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:56:58,196 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 [2025-04-26 16:56:58,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:56:58,197 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:56:58,198 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) [2025-04-26 16:56:58,199 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 [2025-04-26 16:56:58,200 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-04-26 16:56:58,209 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:56:58,210 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:56:58,210 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:56:58,210 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:56:58,211 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:56:58,211 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:56:58,215 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:56:58,220 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 [2025-04-26 16:56:58,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:56:58,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:56:58,222 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) [2025-04-26 16:56:58,223 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 [2025-04-26 16:56:58,224 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 [2025-04-26 16:56:58,233 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:56:58,234 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:56:58,234 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:56:58,234 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:56:58,235 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:56:58,235 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:56:58,237 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:56:58,244 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 [2025-04-26 16:56:58,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:56:58,245 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:56:58,246 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) [2025-04-26 16:56:58,247 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 [2025-04-26 16:56:58,248 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 [2025-04-26 16:56:58,257 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:56:58,257 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:56:58,257 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:56:58,257 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:56:58,258 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:56:58,259 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:56:58,261 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:56:58,267 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2025-04-26 16:56:58,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:56:58,267 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:56:58,269 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) [2025-04-26 16:56:58,270 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 [2025-04-26 16:56:58,271 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 [2025-04-26 16:56:58,280 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:56:58,281 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:56:58,281 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:56:58,281 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:56:58,282 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:56:58,282 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:56:58,287 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-04-26 16:56:58,295 INFO L436 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2025-04-26 16:56:58,295 INFO L437 ModelExtractionUtils]: 7 out of 19 variables were initially zero. Simplification set additionally 4 variables to zero. [2025-04-26 16:56:58,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:56:58,295 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:56:58,297 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) [2025-04-26 16:56:58,298 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 [2025-04-26 16:56:58,299 INFO L436 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-04-26 16:56:58,315 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2025-04-26 16:56:58,316 INFO L439 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 2. [2025-04-26 16:56:58,316 INFO L476 LassoAnalysis]: Proved termination. [2025-04-26 16:56:58,316 INFO L478 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] [2025-04-26 16:56:58,321 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2025-04-26 16:56:58,328 INFO L156 tatePredicateManager]: 0 out of 2 supporting invariants were superfluous and have been removed [2025-04-26 16:56:58,348 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:56:58,352 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-04-26 16:56:58,355 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-04-26 16:56:58,355 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:56:58,355 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 16:56:58,355 INFO L256 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-04-26 16:56:58,356 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 16:56:58,383 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-26 16:56:58,384 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 16:56:58,384 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:56:58,384 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 16:56:58,384 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-04-26 16:56:58,385 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 16:56:58,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-26 16:56:58,414 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 [2025-04-26 16:56:58,414 INFO L70 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 538 states and 957 transitions. cyclomatic complexity: 481 Second operand has 4 states, 4 states have (on average 4.0) internal successors, (in total 16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) [2025-04-26 16:56:58,480 INFO L74 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 538 states and 957 transitions. cyclomatic complexity: 481. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (in total 16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) Result 654 states and 1135 transitions. Complement of second has 9 states. [2025-04-26 16:56:58,481 INFO L140 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 2 non-accepting loop states 2 accepting loop states [2025-04-26 16:56:58,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.0) internal successors, (in total 16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) [2025-04-26 16:56:58,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 70 transitions. [2025-04-26 16:56:58,481 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 6 states and 70 transitions. Stem has 13 letters. Loop has 3 letters. [2025-04-26 16:56:58,481 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 16:56:58,481 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 6 states and 70 transitions. Stem has 16 letters. Loop has 3 letters. [2025-04-26 16:56:58,482 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 16:56:58,482 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 6 states and 70 transitions. Stem has 13 letters. Loop has 6 letters. [2025-04-26 16:56:58,482 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 16:56:58,482 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 654 states and 1135 transitions. [2025-04-26 16:56:58,484 INFO L131 ngComponentsAnalysis]: Automaton has 14 accepting balls. 42 [2025-04-26 16:56:58,486 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 654 states to 522 states and 915 transitions. [2025-04-26 16:56:58,487 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 160 [2025-04-26 16:56:58,487 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 162 [2025-04-26 16:56:58,487 INFO L74 IsDeterministic]: Start isDeterministic. Operand 522 states and 915 transitions. [2025-04-26 16:56:58,487 INFO L81 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-04-26 16:56:58,487 INFO L218 hiAutomatonCegarLoop]: Abstraction has 522 states and 915 transitions. [2025-04-26 16:56:58,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 522 states and 915 transitions. [2025-04-26 16:56:58,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 522 to 504. [2025-04-26 16:56:58,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 504 states, 504 states have (on average 1.7797619047619047) internal successors, (in total 897), 503 states have internal predecessors, (897), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) [2025-04-26 16:56:58,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 504 states and 897 transitions. [2025-04-26 16:56:58,502 INFO L240 hiAutomatonCegarLoop]: Abstraction has 504 states and 897 transitions. [2025-04-26 16:56:58,502 INFO L438 stractBuchiCegarLoop]: Abstraction has 504 states and 897 transitions. [2025-04-26 16:56:58,502 INFO L340 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2025-04-26 16:56:58,502 INFO L73 BuchiIsEmpty]: Start buchiIsEmpty. Operand 504 states and 897 transitions. [2025-04-26 16:56:58,503 INFO L131 ngComponentsAnalysis]: Automaton has 14 accepting balls. 42 [2025-04-26 16:56:58,503 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-04-26 16:56:58,503 INFO L120 BuchiIsEmpty]: Starting construction of run [2025-04-26 16:56:58,503 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-26 16:56:58,503 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-04-26 16:56:58,504 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] $Ultimate##0-->L80: Formula: (< v_b_9 1) InVars {b=v_b_9} OutVars{b=v_b_9} AuxVars[] AssignedVars[]" "[138] L80-->L84-2: Formula: (= (+ v_t3_1 1) 0) InVars {} OutVars{t3=v_t3_1} AuxVars[] AssignedVars[t3]" [2025-04-26 16:56:58,504 INFO L754 eck$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]" [2025-04-26 16:56:58,504 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:56:58,504 INFO L85 PathProgramCache]: Analyzing trace with hash 905414040, now seen corresponding path program 1 times [2025-04-26 16:56:58,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:56:58,504 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479762816] [2025-04-26 16:56:58,504 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 16:56:58,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:56:58,506 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-04-26 16:56:58,507 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-04-26 16:56:58,507 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:56:58,507 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:56:58,507 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:56:58,508 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-04-26 16:56:58,510 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-04-26 16:56:58,510 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:56:58,510 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:56:58,511 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:56:58,511 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:56:58,511 INFO L85 PathProgramCache]: Analyzing trace with hash 168909, now seen corresponding path program 1 times [2025-04-26 16:56:58,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:56:58,511 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570937587] [2025-04-26 16:56:58,511 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 16:56:58,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:56:58,514 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-26 16:56:58,518 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 16:56:58,518 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:56:58,518 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:56:58,518 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:56:58,518 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-26 16:56:58,519 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 16:56:58,519 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:56:58,519 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:56:58,519 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:56:58,519 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:56:58,520 INFO L85 PathProgramCache]: Analyzing trace with hash 795185878, now seen corresponding path program 1 times [2025-04-26 16:56:58,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:56:58,520 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694215789] [2025-04-26 16:56:58,520 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 16:56:58,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:56:58,523 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-04-26 16:56:58,524 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-04-26 16:56:58,524 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:56:58,524 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:56:58,524 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:56:58,525 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-04-26 16:56:58,530 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-04-26 16:56:58,530 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:56:58,531 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:56:58,532 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:56:58,604 INFO L206 LassoAnalysis]: Preferences: [2025-04-26 16:56:58,604 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-04-26 16:56:58,604 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-04-26 16:56:58,604 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-04-26 16:56:58,604 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-04-26 16:56:58,604 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:56:58,604 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-04-26 16:56:58,604 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-04-26 16:56:58,604 INFO L132 ssoRankerPreferences]: Filename of dumped script: adfg_3_x_t_indep.c.bpl_petrified1_Iteration8_Lasso [2025-04-26 16:56:58,604 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-04-26 16:56:58,604 INFO L243 LassoAnalysis]: Starting lasso preprocessing... [2025-04-26 16:56:58,605 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:56:58,608 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:56:58,610 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:56:58,612 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:56:58,614 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:56:58,617 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:56:58,619 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:56:58,621 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:56:58,623 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:56:58,625 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:56:58,701 INFO L261 LassoAnalysis]: Preprocessing complete. [2025-04-26 16:56:58,701 INFO L367 LassoAnalysis]: Checking for nontermination... [2025-04-26 16:56:58,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:56:58,702 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:56:58,705 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) [2025-04-26 16:56:58,706 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 [2025-04-26 16:56:58,707 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 16:56:58,707 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 16:56:58,719 INFO L400 LassoAnalysis]: Proved nontermination for one component. [2025-04-26 16:56:58,719 INFO L403 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread3Thread1of1ForFork2_thidvar1=0} Honda state: {thread3Thread1of1ForFork2_thidvar1=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-04-26 16:56:58,724 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 [2025-04-26 16:56:58,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:56:58,725 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:56:58,727 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) [2025-04-26 16:56:58,728 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 [2025-04-26 16:56:58,729 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 16:56:58,729 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 16:56:58,746 INFO L400 LassoAnalysis]: Proved nontermination for one component. [2025-04-26 16:56:58,746 INFO L403 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {b=0} Honda state: {b=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-04-26 16:56:58,775 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2025-04-26 16:56:58,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:56:58,775 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:56:58,778 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) [2025-04-26 16:56:58,779 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 [2025-04-26 16:56:58,780 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 16:56:58,780 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 16:56:58,791 INFO L400 LassoAnalysis]: Proved nontermination for one component. [2025-04-26 16:56:58,791 INFO L403 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread3Thread1of1ForFork2_thidvar0=0} Honda state: {thread3Thread1of1ForFork2_thidvar0=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-04-26 16:56:58,797 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2025-04-26 16:56:58,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:56:58,797 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:56:58,799 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) [2025-04-26 16:56:58,800 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 [2025-04-26 16:56:58,802 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 16:56:58,802 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 16:56:58,814 INFO L400 LassoAnalysis]: Proved nontermination for one component. [2025-04-26 16:56:58,814 INFO L403 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread3Thread1of1ForFork2_thidvar2=0} Honda state: {thread3Thread1of1ForFork2_thidvar2=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-04-26 16:56:58,820 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 [2025-04-26 16:56:58,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:56:58,820 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:56:58,822 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) [2025-04-26 16:56:58,823 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 [2025-04-26 16:56:58,825 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 16:56:58,825 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 16:56:58,843 INFO L400 LassoAnalysis]: Proved nontermination for one component. [2025-04-26 16:56:58,843 INFO L403 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {t1=0} Honda state: {t1=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-04-26 16:56:58,849 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 [2025-04-26 16:56:58,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:56:58,849 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:56:58,851 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) [2025-04-26 16:56:58,852 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 [2025-04-26 16:56:58,853 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 16:56:58,853 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 16:56:58,870 INFO L400 LassoAnalysis]: Proved nontermination for one component. [2025-04-26 16:56:58,870 INFO L403 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {t2=0} Honda state: {t2=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-04-26 16:56:58,876 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2025-04-26 16:56:58,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:56:58,877 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:56:58,878 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) [2025-04-26 16:56:58,880 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 [2025-04-26 16:56:58,881 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 16:56:58,881 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 16:56:58,891 INFO L400 LassoAnalysis]: Proved nontermination for one component. [2025-04-26 16:56:58,891 INFO L403 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread1Thread1of1ForFork0_thidvar0=0} Honda state: {thread1Thread1of1ForFork0_thidvar0=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-04-26 16:56:58,897 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 [2025-04-26 16:56:58,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:56:58,897 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:56:58,899 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) [2025-04-26 16:56:58,900 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 [2025-04-26 16:56:58,902 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 16:56:58,902 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 16:56:58,912 INFO L400 LassoAnalysis]: Proved nontermination for one component. [2025-04-26 16:56:58,912 INFO L403 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread2Thread1of1ForFork1_thidvar0=0} Honda state: {thread2Thread1of1ForFork1_thidvar0=2} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-04-26 16:56:58,918 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2025-04-26 16:56:58,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:56:58,918 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:56:58,920 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) [2025-04-26 16:56:58,921 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 [2025-04-26 16:56:58,922 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 16:56:58,922 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 16:56:58,932 INFO L400 LassoAnalysis]: Proved nontermination for one component. [2025-04-26 16:56:58,933 INFO L403 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread2Thread1of1ForFork1_thidvar1=0} Honda state: {thread2Thread1of1ForFork1_thidvar1=2} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-04-26 16:56:58,938 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2025-04-26 16:56:58,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:56:58,938 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:56:58,940 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) [2025-04-26 16:56:58,940 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 [2025-04-26 16:56:58,942 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 16:56:58,942 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 16:56:58,960 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2025-04-26 16:56:58,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:56:58,960 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:56:58,964 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) [2025-04-26 16:56:58,965 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 [2025-04-26 16:56:58,967 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-04-26 16:56:58,967 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 16:56:59,097 INFO L407 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-04-26 16:56:59,103 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2025-04-26 16:56:59,103 INFO L206 LassoAnalysis]: Preferences: [2025-04-26 16:56:59,103 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-04-26 16:56:59,103 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-04-26 16:56:59,103 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-04-26 16:56:59,104 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-04-26 16:56:59,104 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:56:59,104 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-04-26 16:56:59,104 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-04-26 16:56:59,104 INFO L132 ssoRankerPreferences]: Filename of dumped script: adfg_3_x_t_indep.c.bpl_petrified1_Iteration8_Lasso [2025-04-26 16:56:59,104 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-04-26 16:56:59,104 INFO L243 LassoAnalysis]: Starting lasso preprocessing... [2025-04-26 16:56:59,104 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:56:59,108 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:56:59,110 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:56:59,112 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:56:59,114 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:56:59,116 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:56:59,118 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:56:59,120 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:56:59,121 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:56:59,123 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:56:59,195 INFO L261 LassoAnalysis]: Preprocessing complete. [2025-04-26 16:56:59,195 INFO L453 LassoAnalysis]: Using template 'affine'. [2025-04-26 16:56:59,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:56:59,196 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:56:59,198 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) [2025-04-26 16:56:59,199 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 [2025-04-26 16:56:59,200 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-04-26 16:56:59,209 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:56:59,210 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:56:59,210 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:56:59,210 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:56:59,210 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:56:59,210 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:56:59,213 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:56:59,218 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 [2025-04-26 16:56:59,218 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:56:59,218 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:56:59,220 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) [2025-04-26 16:56:59,221 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 [2025-04-26 16:56:59,222 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 [2025-04-26 16:56:59,232 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:56:59,232 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:56:59,232 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:56:59,232 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:56:59,233 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:56:59,233 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:56:59,235 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:56:59,241 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2025-04-26 16:56:59,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:56:59,242 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:56:59,243 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) [2025-04-26 16:56:59,245 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 [2025-04-26 16:56:59,246 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 [2025-04-26 16:56:59,256 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:56:59,256 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:56:59,256 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:56:59,256 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:56:59,257 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:56:59,257 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:56:59,260 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:56:59,266 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2025-04-26 16:56:59,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:56:59,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:56:59,268 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) [2025-04-26 16:56:59,269 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 [2025-04-26 16:56:59,269 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 [2025-04-26 16:56:59,279 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:56:59,279 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:56:59,279 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:56:59,279 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:56:59,280 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:56:59,280 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:56:59,284 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:56:59,291 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 [2025-04-26 16:56:59,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:56:59,291 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:56:59,293 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) [2025-04-26 16:56:59,294 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 [2025-04-26 16:56:59,295 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 [2025-04-26 16:56:59,305 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:56:59,305 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:56:59,305 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:56:59,305 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:56:59,306 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:56:59,306 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:56:59,308 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:56:59,315 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 [2025-04-26 16:56:59,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:56:59,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:56:59,317 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) [2025-04-26 16:56:59,318 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 [2025-04-26 16:56:59,320 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 [2025-04-26 16:56:59,330 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:56:59,330 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:56:59,330 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:56:59,330 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:56:59,331 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:56:59,331 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:56:59,334 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:56:59,340 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2025-04-26 16:56:59,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:56:59,340 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:56:59,342 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) [2025-04-26 16:56:59,344 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 [2025-04-26 16:56:59,345 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-04-26 16:56:59,354 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:56:59,354 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:56:59,355 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:56:59,355 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:56:59,355 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:56:59,355 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:56:59,357 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:56:59,363 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 [2025-04-26 16:56:59,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:56:59,363 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:56:59,365 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) [2025-04-26 16:56:59,366 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 [2025-04-26 16:56:59,366 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 [2025-04-26 16:56:59,376 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:56:59,376 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:56:59,376 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:56:59,376 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:56:59,377 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:56:59,377 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:56:59,379 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:56:59,385 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2025-04-26 16:56:59,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:56:59,385 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:56:59,387 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) [2025-04-26 16:56:59,387 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 [2025-04-26 16:56:59,388 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 [2025-04-26 16:56:59,397 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:56:59,398 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:56:59,398 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:56:59,398 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:56:59,398 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:56:59,399 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:56:59,401 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:56:59,407 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 [2025-04-26 16:56:59,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:56:59,407 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:56:59,436 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) [2025-04-26 16:56:59,438 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 [2025-04-26 16:56:59,438 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 [2025-04-26 16:56:59,448 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:56:59,448 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:56:59,448 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:56:59,448 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:56:59,450 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:56:59,450 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:56:59,455 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-04-26 16:56:59,459 INFO L436 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2025-04-26 16:56:59,459 INFO L437 ModelExtractionUtils]: 12 out of 19 variables were initially zero. Simplification set additionally 1 variables to zero. [2025-04-26 16:56:59,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:56:59,459 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:56:59,460 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) [2025-04-26 16:56:59,461 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 [2025-04-26 16:56:59,462 INFO L436 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-04-26 16:56:59,478 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 [2025-04-26 16:56:59,479 INFO L439 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2025-04-26 16:56:59,479 INFO L476 LassoAnalysis]: Proved termination. [2025-04-26 16:56:59,479 INFO L478 LassoAnalysis]: Termination argument consisting of: Ranking function f(n, x3) = 2*n - 2*x3 + 1 Supporting invariants [-1*t3 - 1 >= 0] [2025-04-26 16:56:59,484 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 [2025-04-26 16:56:59,486 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2025-04-26 16:56:59,506 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:56:59,509 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-04-26 16:56:59,511 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-04-26 16:56:59,512 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:56:59,512 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 16:56:59,512 INFO L256 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-04-26 16:56:59,512 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 16:56:59,525 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-26 16:56:59,526 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 16:56:59,526 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:56:59,526 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 16:56:59,526 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-04-26 16:56:59,527 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 16:56:59,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-26 16:56:59,545 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 [2025-04-26 16:56:59,545 INFO L70 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 504 states and 897 transitions. cyclomatic complexity: 451 Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (in total 16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) [2025-04-26 16:56:59,588 INFO L74 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 504 states and 897 transitions. cyclomatic complexity: 451. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (in total 16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) Result 741 states and 1317 transitions. Complement of second has 6 states. [2025-04-26 16:56:59,588 INFO L140 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2025-04-26 16:56:59,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (in total 16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) [2025-04-26 16:56:59,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 70 transitions. [2025-04-26 16:56:59,589 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 4 states and 70 transitions. Stem has 13 letters. Loop has 3 letters. [2025-04-26 16:56:59,589 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 16:56:59,589 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 4 states and 70 transitions. Stem has 16 letters. Loop has 3 letters. [2025-04-26 16:56:59,589 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 16:56:59,589 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 4 states and 70 transitions. Stem has 13 letters. Loop has 6 letters. [2025-04-26 16:56:59,589 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 16:56:59,589 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 741 states and 1317 transitions. [2025-04-26 16:56:59,592 INFO L131 ngComponentsAnalysis]: Automaton has 7 accepting balls. 21 [2025-04-26 16:56:59,593 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 741 states to 236 states and 419 transitions. [2025-04-26 16:56:59,593 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 70 [2025-04-26 16:56:59,593 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 70 [2025-04-26 16:56:59,593 INFO L74 IsDeterministic]: Start isDeterministic. Operand 236 states and 419 transitions. [2025-04-26 16:56:59,593 INFO L81 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-04-26 16:56:59,593 INFO L218 hiAutomatonCegarLoop]: Abstraction has 236 states and 419 transitions. [2025-04-26 16:56:59,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states and 419 transitions. [2025-04-26 16:56:59,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 236. [2025-04-26 16:56:59,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 236 states have (on average 1.7754237288135593) internal successors, (in total 419), 235 states have internal predecessors, (419), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) [2025-04-26 16:56:59,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 419 transitions. [2025-04-26 16:56:59,596 INFO L240 hiAutomatonCegarLoop]: Abstraction has 236 states and 419 transitions. [2025-04-26 16:56:59,596 INFO L438 stractBuchiCegarLoop]: Abstraction has 236 states and 419 transitions. [2025-04-26 16:56:59,596 INFO L340 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2025-04-26 16:56:59,596 INFO L73 BuchiIsEmpty]: Start buchiIsEmpty. Operand 236 states and 419 transitions. [2025-04-26 16:56:59,597 INFO L131 ngComponentsAnalysis]: Automaton has 7 accepting balls. 21 [2025-04-26 16:56:59,597 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-04-26 16:56:59,597 INFO L120 BuchiIsEmpty]: Starting construction of run [2025-04-26 16:56:59,597 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-26 16:56:59,597 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-04-26 16:56:59,597 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] $Ultimate##0-->L52: Formula: (<= 1 v_b_7) InVars {b=v_b_7} OutVars{b=v_b_7} AuxVars[] AssignedVars[]" "[122] L38-->L36-2: Formula: (= v_x1_5 (+ v_x1_6 v_t1_4)) InVars {t1=v_t1_4, x1=v_x1_6} OutVars{t1=v_t1_4, x1=v_x1_5} AuxVars[] AssignedVars[x1]" "[118] L36-2-->L36: Formula: (<= v_x1_4 v_n_2) InVars {x1=v_x1_4, n=v_n_2} OutVars{x1=v_x1_4, n=v_n_2} AuxVars[] AssignedVars[]" "[154] L16-->$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] $Ultimate##0-->L76: Formula: (<= 1 v_b_12) InVars {b=v_b_12} OutVars{b=v_b_12} AuxVars[] AssignedVars[]" "[120] L36-->L38: Formula: (<= 1 v_b_4) InVars {b=v_b_4} OutVars{b=v_b_4} AuxVars[] AssignedVars[]" "[122] L38-->L36-2: Formula: (= v_x1_5 (+ v_x1_6 v_t1_4)) InVars {t1=v_t1_4, x1=v_x1_6} OutVars{t1=v_t1_4, x1=v_x1_5} AuxVars[] AssignedVars[x1]" "[137] L76-->L84-2: Formula: (= v_t3_4 1) InVars {} OutVars{t3=v_t3_4} AuxVars[] AssignedVars[t3]" "[117] L36-2-->thread1FINAL: Formula: (< v_n_1 v_x1_3) InVars {x1=v_x1_3, n=v_n_1} OutVars{x1=v_x1_3, n=v_n_1} AuxVars[] AssignedVars[]" "[126] L52-->L60-2: Formula: (= v_t2_3 1) InVars {} OutVars{t2=v_t2_3} AuxVars[] AssignedVars[t2]" "[128] L60-2-->thread2FINAL: Formula: (< v_n_4 v_x2_6) InVars {x2=v_x2_6, n=v_n_4} OutVars{x2=v_x2_6, n=v_n_4} AuxVars[] AssignedVars[]" [2025-04-26 16:56:59,597 INFO L754 eck$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]" [2025-04-26 16:56:59,598 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:56:59,598 INFO L85 PathProgramCache]: Analyzing trace with hash -518709739, now seen corresponding path program 1 times [2025-04-26 16:56:59,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:56:59,598 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65293186] [2025-04-26 16:56:59,598 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 16:56:59,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:56:59,600 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-04-26 16:56:59,601 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-04-26 16:56:59,601 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:56:59,601 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:56:59,601 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:56:59,602 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-04-26 16:56:59,603 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-04-26 16:56:59,604 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:56:59,604 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:56:59,605 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:56:59,605 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:56:59,605 INFO L85 PathProgramCache]: Analyzing trace with hash 168877, now seen corresponding path program 2 times [2025-04-26 16:56:59,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:56:59,605 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621899139] [2025-04-26 16:56:59,605 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-26 16:56:59,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:56:59,606 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 3 statements into 1 equivalence classes. [2025-04-26 16:56:59,607 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 16:56:59,607 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-26 16:56:59,607 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:56:59,607 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:56:59,607 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-26 16:56:59,608 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 16:56:59,608 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:56:59,608 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:56:59,608 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:56:59,608 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:56:59,609 INFO L85 PathProgramCache]: Analyzing trace with hash 410635545, now seen corresponding path program 1 times [2025-04-26 16:56:59,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:56:59,609 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617575397] [2025-04-26 16:56:59,609 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 16:56:59,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:56:59,610 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-04-26 16:56:59,614 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-04-26 16:56:59,615 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:56:59,615 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:56:59,615 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:56:59,615 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-04-26 16:56:59,617 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-04-26 16:56:59,617 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:56:59,617 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:56:59,621 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:56:59,739 INFO L206 LassoAnalysis]: Preferences: [2025-04-26 16:56:59,739 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-04-26 16:56:59,739 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-04-26 16:56:59,739 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-04-26 16:56:59,739 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-04-26 16:56:59,739 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:56:59,739 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-04-26 16:56:59,739 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-04-26 16:56:59,739 INFO L132 ssoRankerPreferences]: Filename of dumped script: adfg_3_x_t_indep.c.bpl_petrified1_Iteration9_Lasso [2025-04-26 16:56:59,739 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-04-26 16:56:59,739 INFO L243 LassoAnalysis]: Starting lasso preprocessing... [2025-04-26 16:56:59,740 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:56:59,742 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:56:59,744 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:56:59,746 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:56:59,756 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:56:59,759 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:56:59,761 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:56:59,763 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:56:59,764 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:56:59,766 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:56:59,846 INFO L261 LassoAnalysis]: Preprocessing complete. [2025-04-26 16:56:59,846 INFO L367 LassoAnalysis]: Checking for nontermination... [2025-04-26 16:56:59,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:56:59,847 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:56:59,848 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) [2025-04-26 16:56:59,850 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 [2025-04-26 16:56:59,851 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 16:56:59,851 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 16:56:59,863 INFO L400 LassoAnalysis]: Proved nontermination for one component. [2025-04-26 16:56:59,863 INFO L403 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread2Thread1of1ForFork1_thidvar0=0} Honda state: {thread2Thread1of1ForFork1_thidvar0=2} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-04-26 16:56:59,869 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Forceful destruction successful, exit code 0 [2025-04-26 16:56:59,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:56:59,869 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:56:59,871 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) [2025-04-26 16:56:59,871 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 [2025-04-26 16:56:59,873 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 16:56:59,874 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 16:56:59,885 INFO L400 LassoAnalysis]: Proved nontermination for one component. [2025-04-26 16:56:59,885 INFO L403 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {t2=0} Honda state: {t2=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-04-26 16:56:59,891 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Forceful destruction successful, exit code 0 [2025-04-26 16:56:59,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:56:59,891 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:56:59,893 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) [2025-04-26 16:56:59,894 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 [2025-04-26 16:56:59,896 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 16:56:59,896 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 16:56:59,908 INFO L400 LassoAnalysis]: Proved nontermination for one component. [2025-04-26 16:56:59,908 INFO L403 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread1Thread1of1ForFork0_thidvar0=0} Honda state: {thread1Thread1of1ForFork0_thidvar0=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-04-26 16:56:59,915 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Forceful destruction successful, exit code 0 [2025-04-26 16:56:59,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:56:59,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:56:59,917 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) [2025-04-26 16:56:59,919 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 [2025-04-26 16:56:59,919 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 16:56:59,919 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 16:56:59,943 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Ended with exit code 0 [2025-04-26 16:56:59,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:56:59,944 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:56:59,945 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) [2025-04-26 16:56:59,947 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 [2025-04-26 16:56:59,948 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-04-26 16:56:59,948 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 16:57:00,116 INFO L407 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-04-26 16:57:00,122 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Forceful destruction successful, exit code 0 [2025-04-26 16:57:00,122 INFO L206 LassoAnalysis]: Preferences: [2025-04-26 16:57:00,122 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-04-26 16:57:00,122 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-04-26 16:57:00,122 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-04-26 16:57:00,122 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-04-26 16:57:00,122 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:57:00,122 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-04-26 16:57:00,122 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-04-26 16:57:00,122 INFO L132 ssoRankerPreferences]: Filename of dumped script: adfg_3_x_t_indep.c.bpl_petrified1_Iteration9_Lasso [2025-04-26 16:57:00,122 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-04-26 16:57:00,122 INFO L243 LassoAnalysis]: Starting lasso preprocessing... [2025-04-26 16:57:00,124 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:57:00,129 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:57:00,142 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:57:00,145 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:57:00,147 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:57:00,148 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:57:00,150 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:57:00,152 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:57:00,154 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:57:00,155 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:57:00,240 INFO L261 LassoAnalysis]: Preprocessing complete. [2025-04-26 16:57:00,241 INFO L453 LassoAnalysis]: Using template 'affine'. [2025-04-26 16:57:00,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:57:00,241 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:57:00,242 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) [2025-04-26 16:57:00,243 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 [2025-04-26 16:57:00,244 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 [2025-04-26 16:57:00,254 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:57:00,254 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:57:00,254 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:57:00,254 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:57:00,255 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:57:00,255 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:57:00,257 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:57:00,262 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 [2025-04-26 16:57:00,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:57:00,263 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:57:00,264 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) [2025-04-26 16:57:00,265 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 [2025-04-26 16:57:00,266 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 [2025-04-26 16:57:00,275 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:57:00,275 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:57:00,276 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:57:00,276 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:57:00,277 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:57:00,277 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:57:00,282 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-04-26 16:57:00,289 INFO L436 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2025-04-26 16:57:00,289 INFO L437 ModelExtractionUtils]: 7 out of 19 variables were initially zero. Simplification set additionally 4 variables to zero. [2025-04-26 16:57:00,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:57:00,290 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:57:00,291 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) [2025-04-26 16:57:00,293 INFO L436 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-04-26 16:57:00,297 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 [2025-04-26 16:57:00,310 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Forceful destruction successful, exit code 0 [2025-04-26 16:57:00,310 INFO L439 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 2. [2025-04-26 16:57:00,310 INFO L476 LassoAnalysis]: Proved termination. [2025-04-26 16:57:00,310 INFO L478 LassoAnalysis]: Termination argument consisting of: Ranking function f(x1, x3) = 1*x1 - 1*x3 Supporting invariants [1*t3 - 1 >= 0, 2*x1 - 2*n - 1 >= 0] [2025-04-26 16:57:00,316 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Ended with exit code 0 [2025-04-26 16:57:00,322 INFO L156 tatePredicateManager]: 0 out of 2 supporting invariants were superfluous and have been removed [2025-04-26 16:57:00,342 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:57:00,346 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-04-26 16:57:00,350 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-04-26 16:57:00,350 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:57:00,350 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 16:57:00,350 INFO L256 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-04-26 16:57:00,351 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 16:57:00,401 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-26 16:57:00,402 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 16:57:00,402 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:57:00,402 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 16:57:00,403 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-04-26 16:57:00,403 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 16:57:00,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-26 16:57:00,426 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 [2025-04-26 16:57:00,426 INFO L70 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 236 states and 419 transitions. cyclomatic complexity: 210 Second operand has 5 states, 5 states have (on average 3.4) internal successors, (in total 17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) [2025-04-26 16:57:00,511 INFO L74 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 236 states and 419 transitions. cyclomatic complexity: 210. Second operand has 5 states, 5 states have (on average 3.4) internal successors, (in total 17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) Result 386 states and 667 transitions. Complement of second has 10 states. [2025-04-26 16:57:00,511 INFO L140 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 3 stem states 2 non-accepting loop states 2 accepting loop states [2025-04-26 16:57:00,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.4) internal successors, (in total 17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) [2025-04-26 16:57:00,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 61 transitions. [2025-04-26 16:57:00,512 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 7 states and 61 transitions. Stem has 17 letters. Loop has 3 letters. [2025-04-26 16:57:00,512 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 16:57:00,512 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 7 states and 61 transitions. Stem has 20 letters. Loop has 3 letters. [2025-04-26 16:57:00,512 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 16:57:00,512 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 7 states and 61 transitions. Stem has 17 letters. Loop has 6 letters. [2025-04-26 16:57:00,512 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 16:57:00,512 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 386 states and 667 transitions. [2025-04-26 16:57:00,514 INFO L131 ngComponentsAnalysis]: Automaton has 7 accepting balls. 21 [2025-04-26 16:57:00,514 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 386 states to 237 states and 390 transitions. [2025-04-26 16:57:00,514 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 57 [2025-04-26 16:57:00,515 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 69 [2025-04-26 16:57:00,515 INFO L74 IsDeterministic]: Start isDeterministic. Operand 237 states and 390 transitions. [2025-04-26 16:57:00,515 INFO L81 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-04-26 16:57:00,515 INFO L218 hiAutomatonCegarLoop]: Abstraction has 237 states and 390 transitions. [2025-04-26 16:57:00,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states and 390 transitions. [2025-04-26 16:57:00,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 207. [2025-04-26 16:57:00,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 207 states have (on average 1.681159420289855) internal successors, (in total 348), 206 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) [2025-04-26 16:57:00,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 348 transitions. [2025-04-26 16:57:00,518 INFO L240 hiAutomatonCegarLoop]: Abstraction has 207 states and 348 transitions. [2025-04-26 16:57:00,518 INFO L438 stractBuchiCegarLoop]: Abstraction has 207 states and 348 transitions. [2025-04-26 16:57:00,518 INFO L340 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2025-04-26 16:57:00,518 INFO L73 BuchiIsEmpty]: Start buchiIsEmpty. Operand 207 states and 348 transitions. [2025-04-26 16:57:00,518 INFO L131 ngComponentsAnalysis]: Automaton has 7 accepting balls. 21 [2025-04-26 16:57:00,519 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-04-26 16:57:00,519 INFO L120 BuchiIsEmpty]: Starting construction of run [2025-04-26 16:57:00,519 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-26 16:57:00,519 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-04-26 16:57:00,519 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] $Ultimate##0-->L52: Formula: (<= 1 v_b_7) InVars {b=v_b_7} OutVars{b=v_b_7} AuxVars[] AssignedVars[]" "[126] L52-->L60-2: Formula: (= v_t2_3 1) InVars {} OutVars{t2=v_t2_3} AuxVars[] AssignedVars[t2]" "[129] L60-2-->L60: Formula: (<= v_x2_1 v_n_3) InVars {x2=v_x2_1, n=v_n_3} OutVars{x2=v_x2_1, n=v_n_3} AuxVars[] AssignedVars[]" "[131] L60-->L62: Formula: (<= 1 v_b_5) InVars {b=v_b_5} OutVars{b=v_b_5} AuxVars[] AssignedVars[]" "[154] L16-->$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] $Ultimate##0-->L76: Formula: (<= 1 v_b_12) InVars {b=v_b_12} OutVars{b=v_b_12} AuxVars[] AssignedVars[]" "[133] L62-->L60-2: Formula: (= (+ v_x2_3 v_t2_1) v_x2_2) InVars {t2=v_t2_1, x2=v_x2_3} OutVars{t2=v_t2_1, x2=v_x2_2} AuxVars[] AssignedVars[x2]" "[129] L60-2-->L60: Formula: (<= v_x2_1 v_n_3) InVars {x2=v_x2_1, n=v_n_3} OutVars{x2=v_x2_1, n=v_n_3} AuxVars[] AssignedVars[]" "[137] L76-->L84-2: Formula: (= v_t3_4 1) InVars {} OutVars{t3=v_t3_4} AuxVars[] AssignedVars[t3]" "[131] L60-->L62: Formula: (<= 1 v_b_5) InVars {b=v_b_5} OutVars{b=v_b_5} AuxVars[] AssignedVars[]" "[133] L62-->L60-2: Formula: (= (+ v_x2_3 v_t2_1) v_x2_2) InVars {t2=v_t2_1, x2=v_x2_3} OutVars{t2=v_t2_1, x2=v_x2_2} AuxVars[] AssignedVars[x2]" "[128] L60-2-->thread2FINAL: Formula: (< v_n_4 v_x2_6) InVars {x2=v_x2_6, n=v_n_4} OutVars{x2=v_x2_6, n=v_n_4} AuxVars[] AssignedVars[]" [2025-04-26 16:57:00,519 INFO L754 eck$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]" [2025-04-26 16:57:00,519 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:57:00,520 INFO L85 PathProgramCache]: Analyzing trace with hash 1744546402, now seen corresponding path program 1 times [2025-04-26 16:57:00,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:57:00,520 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352745194] [2025-04-26 16:57:00,520 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 16:57:00,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:57:00,521 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-04-26 16:57:00,523 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-04-26 16:57:00,523 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:57:00,523 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:57:00,523 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:57:00,524 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-04-26 16:57:00,525 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-04-26 16:57:00,525 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:57:00,525 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:57:00,526 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:57:00,527 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:57:00,527 INFO L85 PathProgramCache]: Analyzing trace with hash 168877, now seen corresponding path program 3 times [2025-04-26 16:57:00,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:57:00,527 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318960203] [2025-04-26 16:57:00,527 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-26 16:57:00,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:57:00,532 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 3 statements into 1 equivalence classes. [2025-04-26 16:57:00,533 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 16:57:00,533 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-04-26 16:57:00,533 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:57:00,533 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:57:00,534 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-26 16:57:00,534 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 16:57:00,534 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:57:00,534 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:57:00,535 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:57:00,535 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:57:00,535 INFO L85 PathProgramCache]: Analyzing trace with hash -1617247828, now seen corresponding path program 1 times [2025-04-26 16:57:00,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 16:57:00,535 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155616824] [2025-04-26 16:57:00,535 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 16:57:00,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 16:57:00,537 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-04-26 16:57:00,541 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-04-26 16:57:00,541 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:57:00,541 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:57:00,541 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 16:57:00,542 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-04-26 16:57:00,544 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-04-26 16:57:00,544 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:57:00,544 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 16:57:00,548 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 16:57:00,647 INFO L206 LassoAnalysis]: Preferences: [2025-04-26 16:57:00,648 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-04-26 16:57:00,648 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-04-26 16:57:00,648 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-04-26 16:57:00,648 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-04-26 16:57:00,648 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:57:00,648 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-04-26 16:57:00,648 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-04-26 16:57:00,648 INFO L132 ssoRankerPreferences]: Filename of dumped script: adfg_3_x_t_indep.c.bpl_petrified1_Iteration10_Lasso [2025-04-26 16:57:00,648 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-04-26 16:57:00,648 INFO L243 LassoAnalysis]: Starting lasso preprocessing... [2025-04-26 16:57:00,649 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:57:00,651 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:57:00,653 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:57:00,662 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:57:00,664 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:57:00,666 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:57:00,668 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:57:00,670 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:57:00,673 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:57:00,674 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:57:00,759 INFO L261 LassoAnalysis]: Preprocessing complete. [2025-04-26 16:57:00,759 INFO L367 LassoAnalysis]: Checking for nontermination... [2025-04-26 16:57:00,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:57:00,760 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:57:00,765 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) [2025-04-26 16:57:00,766 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 [2025-04-26 16:57:00,767 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 16:57:00,767 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 16:57:00,781 INFO L400 LassoAnalysis]: Proved nontermination for one component. [2025-04-26 16:57:00,782 INFO L403 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread1Thread1of1ForFork0_thidvar0=0} Honda state: {thread1Thread1of1ForFork0_thidvar0=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-04-26 16:57:00,787 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Ended with exit code 0 [2025-04-26 16:57:00,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:57:00,788 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:57:00,790 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) [2025-04-26 16:57:00,791 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 [2025-04-26 16:57:00,792 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 16:57:00,792 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 16:57:00,803 INFO L400 LassoAnalysis]: Proved nontermination for one component. [2025-04-26 16:57:00,803 INFO L403 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {t1=0} Honda state: {t1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-04-26 16:57:00,809 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Forceful destruction successful, exit code 0 [2025-04-26 16:57:00,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:57:00,810 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:57:00,811 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) [2025-04-26 16:57:00,812 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 [2025-04-26 16:57:00,814 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 16:57:00,814 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 16:57:00,839 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Forceful destruction successful, exit code 0 [2025-04-26 16:57:00,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:57:00,839 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:57:00,842 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) [2025-04-26 16:57:00,843 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 [2025-04-26 16:57:00,845 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-04-26 16:57:00,845 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 16:57:01,020 INFO L407 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-04-26 16:57:01,027 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Forceful destruction successful, exit code 0 [2025-04-26 16:57:01,027 INFO L206 LassoAnalysis]: Preferences: [2025-04-26 16:57:01,027 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-04-26 16:57:01,027 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-04-26 16:57:01,027 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-04-26 16:57:01,027 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-04-26 16:57:01,027 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:57:01,027 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-04-26 16:57:01,027 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-04-26 16:57:01,027 INFO L132 ssoRankerPreferences]: Filename of dumped script: adfg_3_x_t_indep.c.bpl_petrified1_Iteration10_Lasso [2025-04-26 16:57:01,027 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-04-26 16:57:01,027 INFO L243 LassoAnalysis]: Starting lasso preprocessing... [2025-04-26 16:57:01,028 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:57:01,031 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:57:01,033 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:57:01,035 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:57:01,037 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:57:01,040 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:57:01,042 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:57:01,044 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:57:01,054 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:57:01,056 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 16:57:01,134 INFO L261 LassoAnalysis]: Preprocessing complete. [2025-04-26 16:57:01,134 INFO L453 LassoAnalysis]: Using template 'affine'. [2025-04-26 16:57:01,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:57:01,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:57:01,136 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) [2025-04-26 16:57:01,137 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 [2025-04-26 16:57:01,138 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 [2025-04-26 16:57:01,148 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:57:01,148 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:57:01,148 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:57:01,148 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:57:01,149 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:57:01,149 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:57:01,152 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:57:01,157 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Forceful destruction successful, exit code 0 [2025-04-26 16:57:01,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:57:01,158 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:57:01,161 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) [2025-04-26 16:57:01,162 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 [2025-04-26 16:57:01,164 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 [2025-04-26 16:57:01,173 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:57:01,173 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:57:01,173 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:57:01,173 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:57:01,174 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:57:01,174 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:57:01,177 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:57:01,182 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 [2025-04-26 16:57:01,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:57:01,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:57:01,184 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) [2025-04-26 16:57:01,185 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 [2025-04-26 16:57:01,186 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 [2025-04-26 16:57:01,195 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:57:01,196 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:57:01,196 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:57:01,196 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:57:01,201 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:57:01,201 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:57:01,203 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:57:01,209 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Ended with exit code 0 [2025-04-26 16:57:01,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:57:01,209 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:57:01,210 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) [2025-04-26 16:57:01,211 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 [2025-04-26 16:57:01,212 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 [2025-04-26 16:57:01,221 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:57:01,222 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:57:01,222 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:57:01,222 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:57:01,222 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:57:01,222 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:57:01,225 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:57:01,230 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 [2025-04-26 16:57:01,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:57:01,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:57:01,232 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) [2025-04-26 16:57:01,233 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 [2025-04-26 16:57:01,234 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 [2025-04-26 16:57:01,243 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:57:01,243 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:57:01,243 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:57:01,243 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:57:01,244 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:57:01,244 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:57:01,246 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:57:01,251 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Ended with exit code 0 [2025-04-26 16:57:01,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:57:01,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:57:01,253 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) [2025-04-26 16:57:01,254 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 [2025-04-26 16:57:01,255 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 [2025-04-26 16:57:01,264 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:57:01,264 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:57:01,264 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:57:01,264 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:57:01,265 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:57:01,265 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:57:01,267 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:57:01,273 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 [2025-04-26 16:57:01,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:57:01,273 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:57:01,274 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) [2025-04-26 16:57:01,275 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 [2025-04-26 16:57:01,276 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 [2025-04-26 16:57:01,286 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:57:01,286 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:57:01,286 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:57:01,286 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:57:01,287 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:57:01,287 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:57:01,289 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 16:57:01,295 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Ended with exit code 0 [2025-04-26 16:57:01,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:57:01,295 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:57:01,297 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) [2025-04-26 16:57:01,297 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 [2025-04-26 16:57:01,298 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-04-26 16:57:01,308 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 16:57:01,308 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 16:57:01,308 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 16:57:01,308 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 16:57:01,313 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 16:57:01,313 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 16:57:01,317 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-04-26 16:57:01,323 INFO L436 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2025-04-26 16:57:01,323 INFO L437 ModelExtractionUtils]: 5 out of 19 variables were initially zero. Simplification set additionally 8 variables to zero. [2025-04-26 16:57:01,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 16:57:01,323 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:57:01,325 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) [2025-04-26 16:57:01,325 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 [2025-04-26 16:57:01,326 INFO L436 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-04-26 16:57:01,341 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Ended with exit code 0 [2025-04-26 16:57:01,341 INFO L439 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2025-04-26 16:57:01,341 INFO L476 LassoAnalysis]: Proved termination. [2025-04-26 16:57:01,341 INFO L478 LassoAnalysis]: Termination argument consisting of: Ranking function f(n, x3) = 2*n - 2*x3 + 1 Supporting invariants [1*t3 - 1 >= 0] [2025-04-26 16:57:01,347 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Ended with exit code 0 [2025-04-26 16:57:01,349 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2025-04-26 16:57:01,365 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 16:57:01,368 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-04-26 16:57:01,371 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-04-26 16:57:01,371 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:57:01,371 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 16:57:01,371 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-04-26 16:57:01,372 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 16:57:01,403 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-26 16:57:01,404 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 16:57:01,405 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 16:57:01,405 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 16:57:01,405 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-04-26 16:57:01,405 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 16:57:01,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-26 16:57:01,424 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 [2025-04-26 16:57:01,424 INFO L70 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 207 states and 348 transitions. cyclomatic complexity: 168 Second operand has 4 states, 4 states have (on average 5.0) internal successors, (in total 20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) [2025-04-26 16:57:01,475 INFO L74 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 207 states and 348 transitions. cyclomatic complexity: 168. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (in total 20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) Result 346 states and 584 transitions. Complement of second has 7 states. [2025-04-26 16:57:01,475 INFO L140 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2025-04-26 16:57:01,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 5.0) internal successors, (in total 20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) [2025-04-26 16:57:01,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 62 transitions. [2025-04-26 16:57:01,475 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 5 states and 62 transitions. Stem has 18 letters. Loop has 3 letters. [2025-04-26 16:57:01,476 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 16:57:01,476 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 5 states and 62 transitions. Stem has 21 letters. Loop has 3 letters. [2025-04-26 16:57:01,476 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 16:57:01,476 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 5 states and 62 transitions. Stem has 18 letters. Loop has 6 letters. [2025-04-26 16:57:01,476 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 16:57:01,476 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 346 states and 584 transitions. [2025-04-26 16:57:01,477 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-04-26 16:57:01,477 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 346 states to 0 states and 0 transitions. [2025-04-26 16:57:01,477 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2025-04-26 16:57:01,477 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2025-04-26 16:57:01,477 INFO L74 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2025-04-26 16:57:01,477 INFO L81 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-04-26 16:57:01,477 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-04-26 16:57:01,477 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-04-26 16:57:01,477 INFO L438 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-04-26 16:57:01,477 INFO L340 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2025-04-26 16:57:01,477 INFO L73 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2025-04-26 16:57:01,477 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-04-26 16:57:01,477 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2025-04-26 16:57:01,488 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2025-04-26 16:57:01,489 INFO L201 PluginConnector]: Adding new model adfg_3_x_t_indep.c.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.04 04:57:01 BoogieIcfgContainer [2025-04-26 16:57:01,489 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-04-26 16:57:01,490 INFO L158 Benchmark]: Toolchain (without parser) took 8355.53ms. Allocated memory was 159.4MB in the beginning and 155.2MB in the end (delta: -4.2MB). Free memory was 85.7MB in the beginning and 69.8MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2025-04-26 16:57:01,490 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.15ms. Allocated memory is still 159.4MB. Free memory is still 86.6MB. There was no memory consumed. Max. memory is 8.0GB. [2025-04-26 16:57:01,491 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.79ms. Allocated memory is still 159.4MB. Free memory was 85.6MB in the beginning and 83.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 8.0GB. [2025-04-26 16:57:01,491 INFO L158 Benchmark]: Boogie Preprocessor took 26.73ms. Allocated memory is still 159.4MB. Free memory was 83.9MB in the beginning and 82.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 8.0GB. [2025-04-26 16:57:01,492 INFO L158 Benchmark]: RCFGBuilder took 216.71ms. Allocated memory is still 159.4MB. Free memory was 82.6MB in the beginning and 73.1MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2025-04-26 16:57:01,492 INFO L158 Benchmark]: BuchiAutomizer took 8074.02ms. Allocated memory was 159.4MB in the beginning and 155.2MB in the end (delta: -4.2MB). Free memory was 72.9MB in the beginning and 69.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-04-26 16:57:01,493 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.15ms. Allocated memory is still 159.4MB. Free memory is still 86.6MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 32.79ms. Allocated memory is still 159.4MB. Free memory was 85.6MB in the beginning and 83.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 26.73ms. Allocated memory is still 159.4MB. Free memory was 83.9MB in the beginning and 82.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 216.71ms. Allocated memory is still 159.4MB. Free memory was 82.6MB in the beginning and 73.1MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * BuchiAutomizer took 8074.02ms. Allocated memory was 159.4MB in the beginning and 155.2MB in the end (delta: -4.2MB). Free memory was 72.9MB in the beginning and 69.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 7.9s and 11 iterations. TraceHistogramMax:2. Analysis of lassos took 5.8s. Construction of modules took 0.2s. Büchi inclusion checks took 1.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 9. Automata minimization 0.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 1810 StatesRemovedByMinimization, 7 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 [8, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 621 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 621 mSDsluCounter, 783 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 322 mSDsCounter, 41 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 399 IncrementalHoareTripleChecker+Invalid, 440 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 41 mSolverCounterUnsat, 461 mSDtfsCounter, 399 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN1 SILU0 SILI0 SILT0 lasso8 LassoPreprocessingBenchmarks: Lassos: inital45 mio100 ax100 hnf100 lsp50 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq159 hnf94 smp97 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 25ms VariablesStem: 1 VariablesLoop: 1 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 28 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 8 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 1.8s InitialAbstractionConstructionTime: 0.3s InitialAbstraction: Time to compute Ample Reduction [ms]: 317, Number of transitions in reduction automaton: 1010, Number of states in reduction automaton: 498, Underlying: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 10 terminating modules (2 trivial, 8 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 -1 * t1 + 2 * n + -2 * x1 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 -1 * x3 + x2 and consists of 6 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 + x1 and consists of 7 locations. One deterministic module has affine ranking function 2 * n + -2 * x3 + 1 and consists of 5 locations. 2 modules have a trivial ranking function, the largest among these consists of 3 locations. - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2025-04-26 16:57:01,504 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...