/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/2_thr/multi.c.bpl -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.ample-buchi-a4216cd-m [2025-04-26 18:42:17,866 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-26 18:42:17,919 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/Termination.epf [2025-04-26 18:42:17,922 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-26 18:42:17,922 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-26 18:42:17,922 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Check unreachability of error function in SV-COMP mode [2025-04-26 18:42:17,922 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Translation Mode: [2025-04-26 18:42:17,943 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-26 18:42:17,944 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-26 18:42:17,944 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-26 18:42:17,944 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-26 18:42:17,944 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-26 18:42:17,944 INFO L153 SettingsManager]: * Use SBE=true [2025-04-26 18:42:17,944 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-04-26 18:42:17,944 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-04-26 18:42:17,944 INFO L153 SettingsManager]: * Use old map elimination=false [2025-04-26 18:42:17,945 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-04-26 18:42:17,945 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-04-26 18:42:17,945 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-04-26 18:42:17,945 INFO L153 SettingsManager]: * Automaton type for concurrent programs=PARTIAL_ORDER_BA [2025-04-26 18:42:17,945 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-26 18:42:17,945 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-04-26 18:42:17,945 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-26 18:42:17,945 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-26 18:42:17,945 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-26 18:42:17,945 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-26 18:42:17,945 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-04-26 18:42:17,945 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-04-26 18:42:17,945 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-04-26 18:42:17,945 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-26 18:42:17,947 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-26 18:42:17,947 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-04-26 18:42:17,947 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-26 18:42:17,947 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-26 18:42:17,947 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-26 18:42:17,947 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -smt2 -in -t:4000 [2025-04-26 18:42:17,948 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-26 18:42:17,948 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-26 18:42:17,948 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-26 18:42:17,948 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-04-26 18:42:17,948 INFO L153 SettingsManager]: * Use conditional POR in concurrent analysis=false [2025-04-26 18:42:17,948 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-04-26 18:42:17,948 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR [2025-04-26 18:42:18,170 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-26 18:42:18,177 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-26 18:42:18,179 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-26 18:42:18,180 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2025-04-26 18:42:18,180 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2025-04-26 18:42:18,181 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/cav23-termute-examples/2_thr/multi.c.bpl [2025-04-26 18:42:18,182 INFO L110 BoogieParser]: Parsing: '/storage/cav23-termute-examples/2_thr/multi.c.bpl' [2025-04-26 18:42:18,200 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-26 18:42:18,201 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2025-04-26 18:42:18,202 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-26 18:42:18,203 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-26 18:42:18,203 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-26 18:42:18,210 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "multi.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 06:42:18" (1/1) ... [2025-04-26 18:42:18,233 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "multi.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 06:42:18" (1/1) ... [2025-04-26 18:42:18,238 INFO L138 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2025-04-26 18:42:18,239 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-26 18:42:18,240 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-26 18:42:18,240 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-26 18:42:18,240 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-26 18:42:18,245 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "multi.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 06:42:18" (1/1) ... [2025-04-26 18:42:18,245 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "multi.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 06:42:18" (1/1) ... [2025-04-26 18:42:18,247 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "multi.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 06:42:18" (1/1) ... [2025-04-26 18:42:18,247 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "multi.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 06:42:18" (1/1) ... [2025-04-26 18:42:18,251 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "multi.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 06:42:18" (1/1) ... [2025-04-26 18:42:18,251 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "multi.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 06:42:18" (1/1) ... [2025-04-26 18:42:18,256 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "multi.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 06:42:18" (1/1) ... [2025-04-26 18:42:18,257 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "multi.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 06:42:18" (1/1) ... [2025-04-26 18:42:18,257 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "multi.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 06:42:18" (1/1) ... [2025-04-26 18:42:18,269 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-26 18:42:18,270 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-26 18:42:18,270 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-26 18:42:18,270 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-26 18:42:18,271 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "multi.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 06:42:18" (1/1) ... [2025-04-26 18:42:18,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -smt2 -in -t:4000 [2025-04-26 18:42:18,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:18,295 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 18:42:18,297 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 18:42:18,319 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2025-04-26 18:42:18,320 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-04-26 18:42:18,320 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-04-26 18:42:18,320 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2025-04-26 18:42:18,320 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-04-26 18:42:18,320 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-04-26 18:42:18,320 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2025-04-26 18:42:18,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-26 18:42:18,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-26 18:42:18,321 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 18:42:18,362 INFO L234 CfgBuilder]: Building ICFG [2025-04-26 18:42:18,364 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-26 18:42:18,489 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-26 18:42:18,489 INFO L283 CfgBuilder]: Performing block encoding [2025-04-26 18:42:18,499 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-26 18:42:18,500 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-04-26 18:42:18,501 INFO L201 PluginConnector]: Adding new model multi.c.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.04 06:42:18 BoogieIcfgContainer [2025-04-26 18:42:18,501 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-26 18:42:18,502 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-04-26 18:42:18,502 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-04-26 18:42:18,507 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-04-26 18:42:18,508 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-04-26 18:42:18,508 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "multi.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.04 06:42:18" (1/2) ... [2025-04-26 18:42:18,509 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@49b46401 and model type multi.c.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.04 06:42:18, skipping insertion in model container [2025-04-26 18:42:18,509 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-04-26 18:42:18,509 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "multi.c.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.04 06:42:18" (2/2) ... [2025-04-26 18:42:18,510 INFO L376 chiAutomizerObserver]: Analyzing ICFG multi.c.bpl [2025-04-26 18:42:18,565 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-04-26 18:42:18,613 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-26 18:42:18,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-04-26 18:42:18,613 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:18,616 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 18:42:18,618 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 18:42:18,673 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 42 places, 48 transitions, 110 flow [2025-04-26 18:42:18,701 INFO L116 PetriNetUnfolderBase]: 11/44 cut-off events. [2025-04-26 18:42:18,703 INFO L117 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-04-26 18:42:18,707 INFO L83 FinitePrefix]: Finished finitePrefix Result has 53 conditions, 44 events. 11/44 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 113 event pairs, 0 based on Foata normal form. 0/33 useless extension candidates. Maximal degree in co-relation 37. Up to 3 conditions per place. [2025-04-26 18:42:18,707 INFO L82 GeneralOperation]: Start removeDead. Operand has 42 places, 48 transitions, 110 flow [2025-04-26 18:42:18,713 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 40 places, 44 transitions, 100 flow [2025-04-26 18:42:18,713 INFO L84 lAbstractionProvider]: Constructed initial Petri net abstraction that has has 40 places, 44 transitions, 100 flow [2025-04-26 18:42:18,715 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 40 places, 44 transitions, 100 flow [2025-04-26 18:42:18,743 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 202 states, 201 states have (on average 2.537313432835821) internal successors, (in total 510), 201 states have internal predecessors, (510), 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 18:42:18,744 INFO L171 actionProvider$Eager]: Constructed initial Büchi automaton abstraction (from Petri net) that has 202 states, 201 states have (on average 2.537313432835821) internal successors, (in total 510), 201 states have internal predecessors, (510), 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 18:42:18,746 INFO L135 AmpleReduction]: Starting ample reduction [2025-04-26 18:42:18,807 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 301#[L44, L30, L86-1]true [2025-04-26 18:42:18,807 WARN L275 AmpleReduction]: Non-loop node is now a loop node: 305#[L48, L30, L86-1]true [2025-04-26 18:42:18,848 WARN L140 AmpleReduction]: Number of pruned transitions: 130 [2025-04-26 18:42:18,848 WARN L141 AmpleReduction]: Loop nodes with "changing loop node status": 2 [2025-04-26 18:42:18,848 WARN L142 AmpleReduction]: Number of trivial sets caused by loops: 49 [2025-04-26 18:42:18,848 WARN L143 AmpleReduction]: Number of not loop caused trivial ample sets:45 [2025-04-26 18:42:18,848 WARN L144 AmpleReduction]: Number of initially assigned non-trivial ample sets:100 [2025-04-26 18:42:18,848 WARN L145 AmpleReduction]: Times succ was already a loop node:67 [2025-04-26 18:42:18,848 WARN L146 AmpleReduction]: Times some other node on the cycle already had a trivial ample set:62 [2025-04-26 18:42:18,848 INFO L149 AmpleReduction]: Finished ample reduction [2025-04-26 18:42:18,849 INFO L136 dAbstractionProvider]: Constructed initial ample set-reduced NBA abstraction that has 193 states, 192 states have (on average 1.8229166666666667) internal successors, (in total 350), 192 states have internal predecessors, (350), 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 18:42:18,855 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-04-26 18:42:18,856 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-04-26 18:42:18,856 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-04-26 18:42:18,856 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-04-26 18:42:18,856 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-04-26 18:42:18,856 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-04-26 18:42:18,856 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-04-26 18:42:18,856 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-04-26 18:42:18,858 INFO L73 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 193 states, 192 states have (on average 1.8229166666666667) internal successors, (in total 350), 192 states have internal predecessors, (350), 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 18:42:18,874 INFO L131 ngComponentsAnalysis]: Automaton has 27 accepting balls. 178 [2025-04-26 18:42:18,875 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-04-26 18:42:18,875 INFO L120 BuchiIsEmpty]: Starting construction of run [2025-04-26 18:42:18,877 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2025-04-26 18:42:18,879 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-04-26 18:42:18,880 INFO L340 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-04-26 18:42:18,880 INFO L73 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 193 states, 192 states have (on average 1.8229166666666667) internal successors, (in total 350), 192 states have internal predecessors, (350), 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 18:42:18,888 INFO L131 ngComponentsAnalysis]: Automaton has 27 accepting balls. 178 [2025-04-26 18:42:18,888 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-04-26 18:42:18,888 INFO L120 BuchiIsEmpty]: Starting construction of run [2025-04-26 18:42:18,888 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2025-04-26 18:42:18,888 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-04-26 18:42:18,895 INFO L752 eck$LassoCheckResult]: Stem: "[128] $Ultimate##0-->L26: Formula: (<= 0 v_b_6) InVars {b=v_b_6} OutVars{b=v_b_6} AuxVars[] AssignedVars[]" "[116] L26-->L20-1: Formula: (= (+ v_t_6 1) 0) InVars {} OutVars{t=v_t_6} AuxVars[] AssignedVars[t]" "[111] L20-1-->L29: Formula: (and (< 0 v_b1_4) (= v_q2_3 0) (< v_b2_4 v_a2_1) (= v_a2_1 v_r2_5) (= v_q1_3 0) (< 0 v_b2_4) (= v_a1_1 v_r1_5) (< v_b1_4 v_a1_1)) InVars {a1=v_a1_1, r2=v_r2_5, b2=v_b2_4, q1=v_q1_3, a2=v_a2_1, q2=v_q2_3, r1=v_r1_5, b1=v_b1_4} OutVars{a1=v_a1_1, r2=v_r2_5, b2=v_b2_4, q1=v_q1_3, a2=v_a2_1, q2=v_q2_3, r1=v_r1_5, b1=v_b1_4} AuxVars[] AssignedVars[]" "[166] L29-->L38: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0]" [2025-04-26 18:42:18,895 INFO L754 eck$LassoCheckResult]: Loop: "[131] L38-->L42-2: Formula: (< v_x1_1 0) InVars {x1=v_x1_1} OutVars{x1=v_x1_1} AuxVars[] AssignedVars[]" "[134] L42-2-->L51: Formula: (<= 0 v_z_6) InVars {z=v_z_6} OutVars{z=v_z_6} AuxVars[] AssignedVars[]" "[139] L51-->L38: Formula: (= v_x1_2 (+ v_x1_3 1)) InVars {x1=v_x1_3} OutVars{x1=v_x1_2} AuxVars[] AssignedVars[x1]" [2025-04-26 18:42:18,899 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 18:42:18,899 INFO L85 PathProgramCache]: Analyzing trace with hash 4851852, now seen corresponding path program 1 times [2025-04-26 18:42:18,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 18:42:18,906 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633358722] [2025-04-26 18:42:18,906 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 18:42:18,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 18:42:18,949 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-04-26 18:42:18,959 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-04-26 18:42:18,959 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:42:18,959 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:42:18,959 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 18:42:18,964 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-04-26 18:42:18,967 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-04-26 18:42:18,968 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:42:18,968 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:42:18,980 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 18:42:18,983 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 18:42:18,983 INFO L85 PathProgramCache]: Analyzing trace with hash 159975, now seen corresponding path program 1 times [2025-04-26 18:42:18,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 18:42:18,984 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187562430] [2025-04-26 18:42:18,984 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 18:42:18,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 18:42:18,988 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-26 18:42:18,989 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 18:42:18,990 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:42:18,990 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:42:18,990 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 18:42:18,991 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-26 18:42:18,993 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 18:42:18,994 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:42:18,994 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:42:18,997 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 18:42:18,998 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 18:42:18,999 INFO L85 PathProgramCache]: Analyzing trace with hash -1487234948, now seen corresponding path program 1 times [2025-04-26 18:42:19,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 18:42:19,000 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111765716] [2025-04-26 18:42:19,000 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 18:42:19,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 18:42:19,004 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-04-26 18:42:19,011 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-04-26 18:42:19,011 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:42:19,013 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:42:19,013 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 18:42:19,015 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-04-26 18:42:19,021 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-04-26 18:42:19,021 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:42:19,021 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:42:19,023 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 18:42:19,121 INFO L206 LassoAnalysis]: Preferences: [2025-04-26 18:42:19,121 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-04-26 18:42:19,121 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-04-26 18:42:19,121 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-04-26 18:42:19,122 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-04-26 18:42:19,122 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:19,122 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-04-26 18:42:19,122 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-04-26 18:42:19,122 INFO L132 ssoRankerPreferences]: Filename of dumped script: multi.c.bpl_petrified1_Iteration1_Loop [2025-04-26 18:42:19,122 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-04-26 18:42:19,122 INFO L243 LassoAnalysis]: Starting lasso preprocessing... [2025-04-26 18:42:19,156 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:19,162 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:19,201 INFO L261 LassoAnalysis]: Preprocessing complete. [2025-04-26 18:42:19,205 INFO L367 LassoAnalysis]: Checking for nontermination... [2025-04-26 18:42:19,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:19,207 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:19,215 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 18:42:19,218 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 18:42:19,219 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 18:42:19,220 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 18:42:19,241 INFO L400 LassoAnalysis]: Proved nontermination for one component. [2025-04-26 18:42:19,242 INFO L403 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {z=0} Honda state: {z=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-04-26 18:42:19,253 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2025-04-26 18:42:19,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:19,253 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:19,271 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 18:42:19,286 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 18:42:19,287 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 18:42:19,287 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 18:42:19,305 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 18:42:19,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:19,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:19,307 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 18:42:19,308 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 18:42:19,313 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-04-26 18:42:19,313 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 18:42:19,338 INFO L407 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-04-26 18:42:19,342 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2025-04-26 18:42:19,342 INFO L206 LassoAnalysis]: Preferences: [2025-04-26 18:42:19,342 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-04-26 18:42:19,342 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-04-26 18:42:19,342 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-04-26 18:42:19,342 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-04-26 18:42:19,343 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:19,343 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-04-26 18:42:19,343 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-04-26 18:42:19,343 INFO L132 ssoRankerPreferences]: Filename of dumped script: multi.c.bpl_petrified1_Iteration1_Loop [2025-04-26 18:42:19,343 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-04-26 18:42:19,343 INFO L243 LassoAnalysis]: Starting lasso preprocessing... [2025-04-26 18:42:19,344 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:19,349 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:19,381 INFO L261 LassoAnalysis]: Preprocessing complete. [2025-04-26 18:42:19,383 INFO L453 LassoAnalysis]: Using template 'affine'. [2025-04-26 18:42:19,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:19,384 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:19,389 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 18:42:19,390 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 18:42:19,391 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 18:42:19,402 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 18:42:19,402 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-04-26 18:42:19,402 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 18:42:19,403 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 18:42:19,403 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 18:42:19,405 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-04-26 18:42:19,406 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-04-26 18:42:19,407 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 18:42:19,413 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 18:42:19,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:19,413 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:19,416 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 18:42:19,417 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 18:42:19,418 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 18:42:19,428 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 18:42:19,428 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-04-26 18:42:19,428 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 18:42:19,428 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 18:42:19,428 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 18:42:19,430 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-04-26 18:42:19,430 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-04-26 18:42:19,432 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-04-26 18:42:19,434 INFO L436 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2025-04-26 18:42:19,434 INFO L437 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2025-04-26 18:42:19,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:19,435 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:19,437 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 18:42:19,439 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 18:42:19,440 INFO L436 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-04-26 18:42:19,443 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2025-04-26 18:42:19,443 INFO L439 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2025-04-26 18:42:19,444 INFO L476 LassoAnalysis]: Proved termination. [2025-04-26 18:42:19,444 INFO L478 LassoAnalysis]: Termination argument consisting of: Ranking function f(x1) = -1*x1 Supporting invariants [] [2025-04-26 18:42:19,449 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 18:42:19,451 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-04-26 18:42:19,469 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 18:42:19,475 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-04-26 18:42:19,478 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-04-26 18:42:19,478 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:42:19,478 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 18:42:19,479 INFO L256 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-04-26 18:42:19,480 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 18:42:19,489 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-26 18:42:19,490 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 18:42:19,490 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:42:19,490 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 18:42:19,491 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-04-26 18:42:19,491 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 18:42:19,511 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 18:42:19,525 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 18:42:19,526 INFO L70 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 193 states, 192 states have (on average 1.8229166666666667) internal successors, (in total 350), 192 states have internal predecessors, (350), 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 2.3333333333333335) 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 18:42:19,590 INFO L74 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 193 states, 192 states have (on average 1.8229166666666667) internal successors, (in total 350), 192 states have internal predecessors, (350), 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 2.3333333333333335) 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) Result 397 states and 750 transitions. Complement of second has 6 states. [2025-04-26 18:42:19,591 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 18:42:19,594 INFO L82 GeneralOperation]: Start removeUnreachable. 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 18:42:19,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 67 transitions. [2025-04-26 18:42:19,597 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 4 states and 67 transitions. Stem has 4 letters. Loop has 3 letters. [2025-04-26 18:42:19,598 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 18:42:19,598 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 4 states and 67 transitions. Stem has 7 letters. Loop has 3 letters. [2025-04-26 18:42:19,598 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 18:42:19,598 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 4 states and 67 transitions. Stem has 4 letters. Loop has 6 letters. [2025-04-26 18:42:19,598 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 18:42:19,599 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 397 states and 750 transitions. [2025-04-26 18:42:19,604 INFO L131 ngComponentsAnalysis]: Automaton has 29 accepting balls. 156 [2025-04-26 18:42:19,607 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 397 states to 265 states and 498 transitions. [2025-04-26 18:42:19,610 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 164 [2025-04-26 18:42:19,611 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 188 [2025-04-26 18:42:19,611 INFO L74 IsDeterministic]: Start isDeterministic. Operand 265 states and 498 transitions. [2025-04-26 18:42:19,612 INFO L81 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-04-26 18:42:19,612 INFO L218 hiAutomatonCegarLoop]: Abstraction has 265 states and 498 transitions. [2025-04-26 18:42:19,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states and 498 transitions. [2025-04-26 18:42:19,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 243. [2025-04-26 18:42:19,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 243 states, 243 states have (on average 1.868312757201646) internal successors, (in total 454), 242 states have internal predecessors, (454), 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 18:42:19,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 454 transitions. [2025-04-26 18:42:19,642 INFO L240 hiAutomatonCegarLoop]: Abstraction has 243 states and 454 transitions. [2025-04-26 18:42:19,642 INFO L438 stractBuchiCegarLoop]: Abstraction has 243 states and 454 transitions. [2025-04-26 18:42:19,642 INFO L340 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-04-26 18:42:19,642 INFO L73 BuchiIsEmpty]: Start buchiIsEmpty. Operand 243 states and 454 transitions. [2025-04-26 18:42:19,644 INFO L131 ngComponentsAnalysis]: Automaton has 29 accepting balls. 156 [2025-04-26 18:42:19,644 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-04-26 18:42:19,644 INFO L120 BuchiIsEmpty]: Starting construction of run [2025-04-26 18:42:19,645 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2025-04-26 18:42:19,645 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-04-26 18:42:19,645 INFO L752 eck$LassoCheckResult]: Stem: "[128] $Ultimate##0-->L26: Formula: (<= 0 v_b_6) InVars {b=v_b_6} OutVars{b=v_b_6} AuxVars[] AssignedVars[]" "[116] L26-->L20-1: Formula: (= (+ v_t_6 1) 0) InVars {} OutVars{t=v_t_6} AuxVars[] AssignedVars[t]" "[111] L20-1-->L29: Formula: (and (< 0 v_b1_4) (= v_q2_3 0) (< v_b2_4 v_a2_1) (= v_a2_1 v_r2_5) (= v_q1_3 0) (< 0 v_b2_4) (= v_a1_1 v_r1_5) (< v_b1_4 v_a1_1)) InVars {a1=v_a1_1, r2=v_r2_5, b2=v_b2_4, q1=v_q1_3, a2=v_a2_1, q2=v_q2_3, r1=v_r1_5, b1=v_b1_4} OutVars{a1=v_a1_1, r2=v_r2_5, b2=v_b2_4, q1=v_q1_3, a2=v_a2_1, q2=v_q2_3, r1=v_r1_5, b1=v_b1_4} AuxVars[] AssignedVars[]" "[166] L29-->L38: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0]" "[130] L38-->L53-1: Formula: (<= 0 v_x1_4) InVars {x1=v_x1_4} OutVars{x1=v_x1_4} AuxVars[] AssignedVars[]" [2025-04-26 18:42:19,645 INFO L754 eck$LassoCheckResult]: Loop: "[133] L53-1-->L55: Formula: (< v_y1_1 0) InVars {y1=v_y1_1} OutVars{y1=v_y1_1} AuxVars[] AssignedVars[]" "[138] L55-->L53-1: Formula: (= v_y1_2 (+ v_y1_3 1)) InVars {y1=v_y1_3} OutVars{y1=v_y1_2} AuxVars[] AssignedVars[y1]" [2025-04-26 18:42:19,646 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 18:42:19,646 INFO L85 PathProgramCache]: Analyzing trace with hash 150407542, now seen corresponding path program 1 times [2025-04-26 18:42:19,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 18:42:19,646 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111697703] [2025-04-26 18:42:19,646 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 18:42:19,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 18:42:19,648 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-04-26 18:42:19,650 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-04-26 18:42:19,650 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:42:19,651 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:42:19,651 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 18:42:19,652 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-04-26 18:42:19,655 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-04-26 18:42:19,656 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:42:19,656 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:42:19,657 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 18:42:19,660 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 18:42:19,660 INFO L85 PathProgramCache]: Analyzing trace with hash 5222, now seen corresponding path program 1 times [2025-04-26 18:42:19,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 18:42:19,660 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606082556] [2025-04-26 18:42:19,660 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 18:42:19,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 18:42:19,663 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-04-26 18:42:19,665 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-04-26 18:42:19,666 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:42:19,666 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:42:19,666 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 18:42:19,668 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-04-26 18:42:19,670 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-04-26 18:42:19,670 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:42:19,670 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:42:19,672 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 18:42:19,672 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 18:42:19,672 INFO L85 PathProgramCache]: Analyzing trace with hash -1487235941, now seen corresponding path program 1 times [2025-04-26 18:42:19,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 18:42:19,672 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290507045] [2025-04-26 18:42:19,674 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 18:42:19,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 18:42:19,678 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-04-26 18:42:19,681 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-04-26 18:42:19,681 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:42:19,681 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:42:19,681 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 18:42:19,687 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-04-26 18:42:19,693 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-04-26 18:42:19,693 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:42:19,693 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:42:19,694 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 18:42:19,712 INFO L206 LassoAnalysis]: Preferences: [2025-04-26 18:42:19,712 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-04-26 18:42:19,712 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-04-26 18:42:19,712 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-04-26 18:42:19,712 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-04-26 18:42:19,712 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:19,712 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-04-26 18:42:19,712 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-04-26 18:42:19,712 INFO L132 ssoRankerPreferences]: Filename of dumped script: multi.c.bpl_petrified1_Iteration2_Loop [2025-04-26 18:42:19,712 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-04-26 18:42:19,712 INFO L243 LassoAnalysis]: Starting lasso preprocessing... [2025-04-26 18:42:19,713 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:19,739 INFO L261 LassoAnalysis]: Preprocessing complete. [2025-04-26 18:42:19,739 INFO L367 LassoAnalysis]: Checking for nontermination... [2025-04-26 18:42:19,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:19,740 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:19,742 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 18:42:19,744 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 18:42:19,745 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 18:42:19,745 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 18:42:19,762 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2025-04-26 18:42:19,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:19,762 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:19,765 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 18:42:19,766 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 18:42:19,768 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-04-26 18:42:19,768 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 18:42:19,790 INFO L407 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-04-26 18:42:19,794 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 18:42:19,794 INFO L206 LassoAnalysis]: Preferences: [2025-04-26 18:42:19,794 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-04-26 18:42:19,794 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-04-26 18:42:19,794 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-04-26 18:42:19,794 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-04-26 18:42:19,794 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:19,794 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-04-26 18:42:19,794 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-04-26 18:42:19,794 INFO L132 ssoRankerPreferences]: Filename of dumped script: multi.c.bpl_petrified1_Iteration2_Loop [2025-04-26 18:42:19,794 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-04-26 18:42:19,794 INFO L243 LassoAnalysis]: Starting lasso preprocessing... [2025-04-26 18:42:19,795 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:19,817 INFO L261 LassoAnalysis]: Preprocessing complete. [2025-04-26 18:42:19,817 INFO L453 LassoAnalysis]: Using template 'affine'. [2025-04-26 18:42:19,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:19,818 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:19,820 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 18:42:19,821 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 18:42:19,822 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 18:42:19,832 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 18:42:19,832 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-04-26 18:42:19,832 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 18:42:19,832 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 18:42:19,833 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 18:42:19,834 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-04-26 18:42:19,834 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-04-26 18:42:19,836 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-04-26 18:42:19,838 INFO L436 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2025-04-26 18:42:19,838 INFO L437 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2025-04-26 18:42:19,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:19,838 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:19,840 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 18:42:19,841 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 18:42:19,841 INFO L436 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-04-26 18:42:19,844 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 18:42:19,844 INFO L439 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2025-04-26 18:42:19,844 INFO L476 LassoAnalysis]: Proved termination. [2025-04-26 18:42:19,845 INFO L478 LassoAnalysis]: Termination argument consisting of: Ranking function f(y1) = -1*y1 Supporting invariants [] [2025-04-26 18:42:19,850 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 18:42:19,850 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-04-26 18:42:19,861 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 18:42:19,866 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-04-26 18:42:19,869 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-04-26 18:42:19,869 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:42:19,869 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 18:42:19,869 INFO L256 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-04-26 18:42:19,869 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 18:42:19,880 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-04-26 18:42:19,881 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-04-26 18:42:19,881 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:42:19,881 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 18:42:19,882 WARN L254 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-04-26 18:42:19,882 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 18:42:19,900 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 18:42:19,900 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 18:42:19,901 INFO L70 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 243 states and 454 transitions. cyclomatic complexity: 246 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 18:42:19,944 INFO L74 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 243 states and 454 transitions. cyclomatic complexity: 246. 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) Result 392 states and 768 transitions. Complement of second has 6 states. [2025-04-26 18:42:19,944 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 18:42:19,945 INFO L82 GeneralOperation]: Start removeUnreachable. 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 18:42:19,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 80 transitions. [2025-04-26 18:42:19,945 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 4 states and 80 transitions. Stem has 5 letters. Loop has 2 letters. [2025-04-26 18:42:19,945 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 18:42:19,945 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 4 states and 80 transitions. Stem has 7 letters. Loop has 2 letters. [2025-04-26 18:42:19,945 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 18:42:19,945 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 4 states and 80 transitions. Stem has 5 letters. Loop has 4 letters. [2025-04-26 18:42:19,946 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 18:42:19,946 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 392 states and 768 transitions. [2025-04-26 18:42:19,948 INFO L131 ngComponentsAnalysis]: Automaton has 23 accepting balls. 128 [2025-04-26 18:42:19,950 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 392 states to 288 states and 552 transitions. [2025-04-26 18:42:19,950 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 153 [2025-04-26 18:42:19,951 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 175 [2025-04-26 18:42:19,951 INFO L74 IsDeterministic]: Start isDeterministic. Operand 288 states and 552 transitions. [2025-04-26 18:42:19,951 INFO L81 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-04-26 18:42:19,951 INFO L218 hiAutomatonCegarLoop]: Abstraction has 288 states and 552 transitions. [2025-04-26 18:42:19,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states and 552 transitions. [2025-04-26 18:42:19,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 270. [2025-04-26 18:42:19,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 270 states have (on average 1.9148148148148147) internal successors, (in total 517), 269 states have internal predecessors, (517), 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 18:42:19,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 517 transitions. [2025-04-26 18:42:19,963 INFO L240 hiAutomatonCegarLoop]: Abstraction has 270 states and 517 transitions. [2025-04-26 18:42:19,963 INFO L438 stractBuchiCegarLoop]: Abstraction has 270 states and 517 transitions. [2025-04-26 18:42:19,963 INFO L340 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2025-04-26 18:42:19,963 INFO L73 BuchiIsEmpty]: Start buchiIsEmpty. Operand 270 states and 517 transitions. [2025-04-26 18:42:19,965 INFO L131 ngComponentsAnalysis]: Automaton has 23 accepting balls. 128 [2025-04-26 18:42:19,965 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-04-26 18:42:19,965 INFO L120 BuchiIsEmpty]: Starting construction of run [2025-04-26 18:42:19,965 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2025-04-26 18:42:19,965 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-04-26 18:42:19,965 INFO L752 eck$LassoCheckResult]: Stem: "[128] $Ultimate##0-->L26: Formula: (<= 0 v_b_6) InVars {b=v_b_6} OutVars{b=v_b_6} AuxVars[] AssignedVars[]" "[116] L26-->L20-1: Formula: (= (+ v_t_6 1) 0) InVars {} OutVars{t=v_t_6} AuxVars[] AssignedVars[t]" "[111] L20-1-->L29: Formula: (and (< 0 v_b1_4) (= v_q2_3 0) (< v_b2_4 v_a2_1) (= v_a2_1 v_r2_5) (= v_q1_3 0) (< 0 v_b2_4) (= v_a1_1 v_r1_5) (< v_b1_4 v_a1_1)) InVars {a1=v_a1_1, r2=v_r2_5, b2=v_b2_4, q1=v_q1_3, a2=v_a2_1, q2=v_q2_3, r1=v_r1_5, b1=v_b1_4} OutVars{a1=v_a1_1, r2=v_r2_5, b2=v_b2_4, q1=v_q1_3, a2=v_a2_1, q2=v_q2_3, r1=v_r1_5, b1=v_b1_4} AuxVars[] AssignedVars[]" "[166] L29-->L38: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0]" "[131] L38-->L42-2: Formula: (< v_x1_1 0) InVars {x1=v_x1_1} OutVars{x1=v_x1_1} AuxVars[] AssignedVars[]" [2025-04-26 18:42:19,966 INFO L754 eck$LassoCheckResult]: Loop: "[135] L42-2-->L42: Formula: (< v_z_1 0) InVars {z=v_z_1} OutVars{z=v_z_1} AuxVars[] AssignedVars[]" "[140] L42-->L44: Formula: (< v_b_1 0) InVars {b=v_b_1} OutVars{b=v_b_1} AuxVars[] AssignedVars[]" "[144] L44-->L42-2: Formula: (= (+ v_z_3 v_t_1) v_z_2) InVars {t=v_t_1, z=v_z_3} OutVars{t=v_t_1, z=v_z_2} AuxVars[] AssignedVars[z]" [2025-04-26 18:42:19,966 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 18:42:19,966 INFO L85 PathProgramCache]: Analyzing trace with hash 150407543, now seen corresponding path program 1 times [2025-04-26 18:42:19,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 18:42:19,966 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733802891] [2025-04-26 18:42:19,966 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 18:42:19,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 18:42:19,968 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-04-26 18:42:19,970 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-04-26 18:42:19,970 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:42:19,970 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:42:19,970 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 18:42:19,971 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-04-26 18:42:19,975 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-04-26 18:42:19,975 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:42:19,975 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:42:19,976 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 18:42:19,976 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 18:42:19,977 INFO L85 PathProgramCache]: Analyzing trace with hash 164010, now seen corresponding path program 1 times [2025-04-26 18:42:19,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 18:42:19,977 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646386101] [2025-04-26 18:42:19,977 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 18:42:19,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 18:42:19,981 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-26 18:42:19,982 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 18:42:19,982 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:42:19,982 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:42:19,982 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 18:42:19,983 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-26 18:42:19,983 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 18:42:19,983 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:42:19,983 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:42:19,984 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 18:42:19,984 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 18:42:19,987 INFO L85 PathProgramCache]: Analyzing trace with hash 1140358004, now seen corresponding path program 1 times [2025-04-26 18:42:19,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 18:42:19,987 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702618045] [2025-04-26 18:42:19,987 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 18:42:19,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 18:42:19,992 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-04-26 18:42:19,995 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-04-26 18:42:19,995 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:42:19,995 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 18:42:20,032 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 18:42:20,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-26 18:42:20,032 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702618045] [2025-04-26 18:42:20,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [702618045] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-26 18:42:20,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-26 18:42:20,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-26 18:42:20,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889548662] [2025-04-26 18:42:20,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-26 18:42:20,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-26 18:42:20,061 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-26 18:42:20,062 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-26 18:42:20,062 INFO L87 Difference]: Start difference. First operand 270 states and 517 transitions. cyclomatic complexity: 282 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (in total 8), 2 states have internal predecessors, (8), 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 18:42:20,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-26 18:42:20,096 INFO L93 Difference]: Finished difference Result 472 states and 889 transitions. [2025-04-26 18:42:20,096 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 472 states and 889 transitions. [2025-04-26 18:42:20,101 INFO L131 ngComponentsAnalysis]: Automaton has 49 accepting balls. 221 [2025-04-26 18:42:20,104 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 472 states to 472 states and 889 transitions. [2025-04-26 18:42:20,105 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 277 [2025-04-26 18:42:20,106 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 277 [2025-04-26 18:42:20,106 INFO L74 IsDeterministic]: Start isDeterministic. Operand 472 states and 889 transitions. [2025-04-26 18:42:20,106 INFO L81 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-04-26 18:42:20,106 INFO L218 hiAutomatonCegarLoop]: Abstraction has 472 states and 889 transitions. [2025-04-26 18:42:20,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472 states and 889 transitions. [2025-04-26 18:42:20,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472 to 407. [2025-04-26 18:42:20,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 407 states have (on average 1.882063882063882) internal successors, (in total 766), 406 states have internal predecessors, (766), 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 18:42:20,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 766 transitions. [2025-04-26 18:42:20,119 INFO L240 hiAutomatonCegarLoop]: Abstraction has 407 states and 766 transitions. [2025-04-26 18:42:20,119 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-26 18:42:20,120 INFO L438 stractBuchiCegarLoop]: Abstraction has 407 states and 766 transitions. [2025-04-26 18:42:20,120 INFO L340 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2025-04-26 18:42:20,120 INFO L73 BuchiIsEmpty]: Start buchiIsEmpty. Operand 407 states and 766 transitions. [2025-04-26 18:42:20,121 INFO L131 ngComponentsAnalysis]: Automaton has 39 accepting balls. 185 [2025-04-26 18:42:20,121 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-04-26 18:42:20,121 INFO L120 BuchiIsEmpty]: Starting construction of run [2025-04-26 18:42:20,122 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2025-04-26 18:42:20,122 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-04-26 18:42:20,122 INFO L752 eck$LassoCheckResult]: Stem: "[128] $Ultimate##0-->L26: Formula: (<= 0 v_b_6) InVars {b=v_b_6} OutVars{b=v_b_6} AuxVars[] AssignedVars[]" "[116] L26-->L20-1: Formula: (= (+ v_t_6 1) 0) InVars {} OutVars{t=v_t_6} AuxVars[] AssignedVars[t]" "[111] L20-1-->L29: Formula: (and (< 0 v_b1_4) (= v_q2_3 0) (< v_b2_4 v_a2_1) (= v_a2_1 v_r2_5) (= v_q1_3 0) (< 0 v_b2_4) (= v_a1_1 v_r1_5) (< v_b1_4 v_a1_1)) InVars {a1=v_a1_1, r2=v_r2_5, b2=v_b2_4, q1=v_q1_3, a2=v_a2_1, q2=v_q2_3, r1=v_r1_5, b1=v_b1_4} OutVars{a1=v_a1_1, r2=v_r2_5, b2=v_b2_4, q1=v_q1_3, a2=v_a2_1, q2=v_q2_3, r1=v_r1_5, b1=v_b1_4} AuxVars[] AssignedVars[]" "[166] L29-->L38: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0]" "[131] L38-->L42-2: Formula: (< v_x1_1 0) InVars {x1=v_x1_1} OutVars{x1=v_x1_1} AuxVars[] AssignedVars[]" [2025-04-26 18:42:20,122 INFO L754 eck$LassoCheckResult]: Loop: "[135] L42-2-->L42: Formula: (< v_z_1 0) InVars {z=v_z_1} OutVars{z=v_z_1} AuxVars[] AssignedVars[]" "[141] L42-->L48: Formula: (<= 0 v_b_2) InVars {b=v_b_2} OutVars{b=v_b_2} AuxVars[] AssignedVars[]" "[145] L48-->L42-2: Formula: (= (+ v_z_4 v_t_2) v_z_5) InVars {t=v_t_2, z=v_z_5} OutVars{t=v_t_2, z=v_z_4} AuxVars[] AssignedVars[z]" [2025-04-26 18:42:20,122 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 18:42:20,122 INFO L85 PathProgramCache]: Analyzing trace with hash 150407543, now seen corresponding path program 2 times [2025-04-26 18:42:20,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 18:42:20,122 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271970113] [2025-04-26 18:42:20,123 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-26 18:42:20,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 18:42:20,125 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 5 statements into 1 equivalence classes. [2025-04-26 18:42:20,128 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-04-26 18:42:20,128 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-26 18:42:20,128 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:42:20,128 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 18:42:20,129 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-04-26 18:42:20,131 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-04-26 18:42:20,131 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:42:20,131 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:42:20,132 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 18:42:20,132 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 18:42:20,133 INFO L85 PathProgramCache]: Analyzing trace with hash 164042, now seen corresponding path program 1 times [2025-04-26 18:42:20,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 18:42:20,133 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037631226] [2025-04-26 18:42:20,133 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 18:42:20,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 18:42:20,134 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-26 18:42:20,135 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 18:42:20,135 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:42:20,135 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:42:20,135 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 18:42:20,136 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-26 18:42:20,136 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 18:42:20,136 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:42:20,136 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:42:20,137 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 18:42:20,137 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 18:42:20,137 INFO L85 PathProgramCache]: Analyzing trace with hash 1140358036, now seen corresponding path program 1 times [2025-04-26 18:42:20,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 18:42:20,137 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730607564] [2025-04-26 18:42:20,137 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 18:42:20,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 18:42:20,139 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-04-26 18:42:20,141 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-04-26 18:42:20,141 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:42:20,141 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:42:20,141 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 18:42:20,142 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-04-26 18:42:20,144 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-04-26 18:42:20,144 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:42:20,144 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:42:20,145 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 18:42:20,222 INFO L206 LassoAnalysis]: Preferences: [2025-04-26 18:42:20,222 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-04-26 18:42:20,223 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-04-26 18:42:20,223 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-04-26 18:42:20,223 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-04-26 18:42:20,223 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:20,223 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-04-26 18:42:20,223 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-04-26 18:42:20,223 INFO L132 ssoRankerPreferences]: Filename of dumped script: multi.c.bpl_petrified1_Iteration4_Lasso [2025-04-26 18:42:20,223 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-04-26 18:42:20,223 INFO L243 LassoAnalysis]: Starting lasso preprocessing... [2025-04-26 18:42:20,224 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:20,229 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:20,232 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:20,238 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:20,240 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:20,243 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:20,245 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:20,247 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:20,327 INFO L261 LassoAnalysis]: Preprocessing complete. [2025-04-26 18:42:20,327 INFO L367 LassoAnalysis]: Checking for nontermination... [2025-04-26 18:42:20,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:20,328 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:20,330 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 18:42:20,331 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 18:42:20,332 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 18:42:20,333 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 18:42:20,351 INFO L400 LassoAnalysis]: Proved nontermination for one component. [2025-04-26 18:42:20,351 INFO L403 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {a2=6, r2=6, b2=4} Honda state: {a2=6, r2=6, b2=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-04-26 18:42:20,385 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2025-04-26 18:42:20,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:20,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:20,388 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 18:42:20,389 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 18:42:20,390 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 18:42:20,390 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 18:42:20,406 INFO L400 LassoAnalysis]: Proved nontermination for one component. [2025-04-26 18:42:20,406 INFO L403 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {b=0} Honda state: {b=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-04-26 18:42:20,412 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 18:42:20,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:20,412 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:20,421 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 18:42:20,422 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 18:42:20,423 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 18:42:20,423 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 18:42:20,439 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 18:42:20,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:20,440 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:20,441 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 18:42:20,448 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 18:42:20,448 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-04-26 18:42:20,448 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 18:42:20,504 INFO L407 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-04-26 18:42:20,508 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2025-04-26 18:42:20,508 INFO L206 LassoAnalysis]: Preferences: [2025-04-26 18:42:20,508 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-04-26 18:42:20,508 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-04-26 18:42:20,508 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-04-26 18:42:20,508 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-04-26 18:42:20,508 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:20,508 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-04-26 18:42:20,508 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-04-26 18:42:20,508 INFO L132 ssoRankerPreferences]: Filename of dumped script: multi.c.bpl_petrified1_Iteration4_Lasso [2025-04-26 18:42:20,508 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-04-26 18:42:20,508 INFO L243 LassoAnalysis]: Starting lasso preprocessing... [2025-04-26 18:42:20,510 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:20,515 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:20,520 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:20,523 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:20,526 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:20,528 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:20,530 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:20,533 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:20,603 INFO L261 LassoAnalysis]: Preprocessing complete. [2025-04-26 18:42:20,603 INFO L453 LassoAnalysis]: Using template 'affine'. [2025-04-26 18:42:20,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:20,603 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:20,606 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 18:42:20,607 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 18:42:20,608 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 18:42:20,618 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 18:42:20,618 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 18:42:20,618 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 18:42:20,618 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 18:42:20,621 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 18:42:20,621 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 18:42:20,625 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 18:42:20,630 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2025-04-26 18:42:20,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:20,631 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:20,632 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 18:42:20,634 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 18:42:20,635 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 18:42:20,645 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 18:42:20,645 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 18:42:20,645 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 18:42:20,645 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 18:42:20,647 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 18:42:20,648 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 18:42:20,651 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-04-26 18:42:20,654 INFO L436 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2025-04-26 18:42:20,654 INFO L437 ModelExtractionUtils]: 5 out of 10 variables were initially zero. Simplification set additionally 1 variables to zero. [2025-04-26 18:42:20,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:20,655 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:20,657 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 18:42:20,657 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 18:42:20,658 INFO L436 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-04-26 18:42:20,674 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 18:42:20,675 INFO L439 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2025-04-26 18:42:20,675 INFO L476 LassoAnalysis]: Proved termination. [2025-04-26 18:42:20,675 INFO L478 LassoAnalysis]: Termination argument consisting of: Ranking function f(z) = -1*z Supporting invariants [-1*t - 1 >= 0] [2025-04-26 18:42:20,681 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2025-04-26 18:42:20,686 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2025-04-26 18:42:20,711 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 18:42:20,715 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-04-26 18:42:20,717 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-04-26 18:42:20,717 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:42:20,717 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 18:42:20,717 INFO L256 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-04-26 18:42:20,718 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 18:42:20,757 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-26 18:42:20,758 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 18:42:20,758 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:42:20,758 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 18:42:20,759 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-04-26 18:42:20,759 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 18:42:20,796 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 18:42:20,797 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 18:42:20,797 INFO L70 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 407 states and 766 transitions. cyclomatic complexity: 421 Second operand has 4 states, 4 states have (on average 2.0) internal successors, (in total 8), 4 states have internal predecessors, (8), 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 18:42:20,917 INFO L74 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 407 states and 766 transitions. cyclomatic complexity: 421. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (in total 8), 4 states have internal predecessors, (8), 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 1423 states and 2664 transitions. Complement of second has 10 states. [2025-04-26 18:42:20,917 INFO L140 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 2 stem states 2 non-accepting loop states 2 accepting loop states [2025-04-26 18:42:20,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.0) internal successors, (in total 8), 4 states have internal predecessors, (8), 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 18:42:20,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 160 transitions. [2025-04-26 18:42:20,918 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 7 states and 160 transitions. Stem has 5 letters. Loop has 3 letters. [2025-04-26 18:42:20,919 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 18:42:20,919 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 7 states and 160 transitions. Stem has 8 letters. Loop has 3 letters. [2025-04-26 18:42:20,919 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 18:42:20,919 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 7 states and 160 transitions. Stem has 5 letters. Loop has 6 letters. [2025-04-26 18:42:20,919 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 18:42:20,919 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1423 states and 2664 transitions. [2025-04-26 18:42:20,928 INFO L131 ngComponentsAnalysis]: Automaton has 93 accepting balls. 425 [2025-04-26 18:42:20,934 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1423 states to 1029 states and 1919 transitions. [2025-04-26 18:42:20,934 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 527 [2025-04-26 18:42:20,935 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 537 [2025-04-26 18:42:20,935 INFO L74 IsDeterministic]: Start isDeterministic. Operand 1029 states and 1919 transitions. [2025-04-26 18:42:20,935 INFO L81 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-04-26 18:42:20,935 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1029 states and 1919 transitions. [2025-04-26 18:42:20,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1029 states and 1919 transitions. [2025-04-26 18:42:20,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1029 to 677. [2025-04-26 18:42:20,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 677 states, 677 states have (on average 1.8803545051698671) internal successors, (in total 1273), 676 states have internal predecessors, (1273), 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 18:42:20,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 677 states and 1273 transitions. [2025-04-26 18:42:20,958 INFO L240 hiAutomatonCegarLoop]: Abstraction has 677 states and 1273 transitions. [2025-04-26 18:42:20,958 INFO L438 stractBuchiCegarLoop]: Abstraction has 677 states and 1273 transitions. [2025-04-26 18:42:20,958 INFO L340 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2025-04-26 18:42:20,958 INFO L73 BuchiIsEmpty]: Start buchiIsEmpty. Operand 677 states and 1273 transitions. [2025-04-26 18:42:20,960 INFO L131 ngComponentsAnalysis]: Automaton has 49 accepting balls. 221 [2025-04-26 18:42:20,960 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-04-26 18:42:20,960 INFO L120 BuchiIsEmpty]: Starting construction of run [2025-04-26 18:42:20,961 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2025-04-26 18:42:20,961 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-04-26 18:42:20,961 INFO L752 eck$LassoCheckResult]: Stem: "[127] $Ultimate##0-->L22: Formula: (< v_b_5 0) InVars {b=v_b_5} OutVars{b=v_b_5} AuxVars[] AssignedVars[]" "[108] L22-->L20-1: Formula: (= v_t_5 1) InVars {} OutVars{t=v_t_5} AuxVars[] AssignedVars[t]" "[111] L20-1-->L29: Formula: (and (< 0 v_b1_4) (= v_q2_3 0) (< v_b2_4 v_a2_1) (= v_a2_1 v_r2_5) (= v_q1_3 0) (< 0 v_b2_4) (= v_a1_1 v_r1_5) (< v_b1_4 v_a1_1)) InVars {a1=v_a1_1, r2=v_r2_5, b2=v_b2_4, q1=v_q1_3, a2=v_a2_1, q2=v_q2_3, r1=v_r1_5, b1=v_b1_4} OutVars{a1=v_a1_1, r2=v_r2_5, b2=v_b2_4, q1=v_q1_3, a2=v_a2_1, q2=v_q2_3, r1=v_r1_5, b1=v_b1_4} AuxVars[] AssignedVars[]" "[166] L29-->L38: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0]" "[131] L38-->L42-2: Formula: (< v_x1_1 0) InVars {x1=v_x1_1} OutVars{x1=v_x1_1} AuxVars[] AssignedVars[]" [2025-04-26 18:42:20,961 INFO L754 eck$LassoCheckResult]: Loop: "[135] L42-2-->L42: Formula: (< v_z_1 0) InVars {z=v_z_1} OutVars{z=v_z_1} AuxVars[] AssignedVars[]" "[140] L42-->L44: Formula: (< v_b_1 0) InVars {b=v_b_1} OutVars{b=v_b_1} AuxVars[] AssignedVars[]" "[144] L44-->L42-2: Formula: (= (+ v_z_3 v_t_1) v_z_2) InVars {t=v_t_1, z=v_z_3} OutVars{t=v_t_1, z=v_z_2} AuxVars[] AssignedVars[z]" [2025-04-26 18:42:20,961 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 18:42:20,961 INFO L85 PathProgramCache]: Analyzing trace with hash 149245694, now seen corresponding path program 1 times [2025-04-26 18:42:20,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 18:42:20,962 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209956232] [2025-04-26 18:42:20,962 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 18:42:20,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 18:42:20,964 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-04-26 18:42:20,966 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-04-26 18:42:20,966 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:42:20,966 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:42:20,966 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 18:42:20,969 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-04-26 18:42:20,973 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-04-26 18:42:20,973 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:42:20,973 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:42:20,976 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 18:42:20,977 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 18:42:20,977 INFO L85 PathProgramCache]: Analyzing trace with hash 164010, now seen corresponding path program 2 times [2025-04-26 18:42:20,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 18:42:20,977 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564751224] [2025-04-26 18:42:20,977 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-26 18:42:20,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 18:42:20,979 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 3 statements into 1 equivalence classes. [2025-04-26 18:42:20,981 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 18:42:20,982 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-26 18:42:20,982 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:42:20,982 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 18:42:20,984 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-26 18:42:20,985 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 18:42:20,985 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:42:20,985 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:42:20,988 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 18:42:20,988 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 18:42:20,988 INFO L85 PathProgramCache]: Analyzing trace with hash 887452813, now seen corresponding path program 1 times [2025-04-26 18:42:20,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 18:42:20,988 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953436255] [2025-04-26 18:42:20,988 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 18:42:20,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 18:42:20,992 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-04-26 18:42:20,994 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-04-26 18:42:20,994 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:42:20,994 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:42:20,995 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 18:42:20,995 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-04-26 18:42:20,997 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-04-26 18:42:20,997 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:42:20,997 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:42:20,998 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 18:42:21,069 INFO L206 LassoAnalysis]: Preferences: [2025-04-26 18:42:21,069 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-04-26 18:42:21,069 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-04-26 18:42:21,069 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-04-26 18:42:21,069 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-04-26 18:42:21,069 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:21,069 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-04-26 18:42:21,069 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-04-26 18:42:21,069 INFO L132 ssoRankerPreferences]: Filename of dumped script: multi.c.bpl_petrified1_Iteration5_Lasso [2025-04-26 18:42:21,069 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-04-26 18:42:21,069 INFO L243 LassoAnalysis]: Starting lasso preprocessing... [2025-04-26 18:42:21,070 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:21,075 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:21,077 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:21,082 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:21,084 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:21,086 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:21,089 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:21,094 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:21,163 INFO L261 LassoAnalysis]: Preprocessing complete. [2025-04-26 18:42:21,163 INFO L367 LassoAnalysis]: Checking for nontermination... [2025-04-26 18:42:21,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:21,163 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:21,166 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 18:42:21,167 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 18:42:21,170 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 18:42:21,170 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 18:42:21,191 INFO L400 LassoAnalysis]: Proved nontermination for one component. [2025-04-26 18:42:21,191 INFO L403 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {a1=3, r1=3, b1=2} Honda state: {a1=3, r1=3, b1=2} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-04-26 18:42:21,197 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2025-04-26 18:42:21,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:21,197 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:21,199 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 18:42:21,201 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 18:42:21,202 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 18:42:21,202 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 18:42:21,219 INFO L400 LassoAnalysis]: Proved nontermination for one component. [2025-04-26 18:42:21,219 INFO L403 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {q1=0} Honda state: {q1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-04-26 18:42:21,225 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2025-04-26 18:42:21,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:21,226 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:21,227 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 18:42:21,229 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 18:42:21,230 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 18:42:21,230 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 18:42:21,248 INFO L400 LassoAnalysis]: Proved nontermination for one component. [2025-04-26 18:42:21,248 INFO L403 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {a2=6, r2=6, b2=4} Honda state: {a2=6, r2=6, b2=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-04-26 18:42:21,254 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2025-04-26 18:42:21,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:21,255 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:21,257 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 18:42:21,258 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 18:42:21,258 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 18:42:21,258 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 18:42:21,275 INFO L400 LassoAnalysis]: Proved nontermination for one component. [2025-04-26 18:42:21,275 INFO L403 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {q2=0} Honda state: {q2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-04-26 18:42:21,280 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2025-04-26 18:42:21,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:21,281 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:21,282 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 18:42:21,283 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 18:42:21,284 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 18:42:21,284 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 18:42:21,294 INFO L400 LassoAnalysis]: Proved nontermination for one component. [2025-04-26 18:42:21,294 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 18:42:21,299 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 18:42:21,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:21,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:21,301 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 18:42:21,302 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 18:42:21,303 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 18:42:21,303 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 18:42:21,319 INFO L400 LassoAnalysis]: Proved nontermination for one component. [2025-04-26 18:42:21,319 INFO L403 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {b=-1} Honda state: {b=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-04-26 18:42:21,325 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2025-04-26 18:42:21,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:21,325 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:21,326 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 18:42:21,327 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 18:42:21,328 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 18:42:21,328 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 18:42:21,343 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 18:42:21,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:21,344 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:21,345 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 18:42:21,346 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 18:42:21,347 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-04-26 18:42:21,347 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 18:42:21,391 INFO L407 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-04-26 18:42:21,395 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 18:42:21,395 INFO L206 LassoAnalysis]: Preferences: [2025-04-26 18:42:21,395 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-04-26 18:42:21,395 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-04-26 18:42:21,395 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-04-26 18:42:21,395 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-04-26 18:42:21,395 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:21,395 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-04-26 18:42:21,395 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-04-26 18:42:21,395 INFO L132 ssoRankerPreferences]: Filename of dumped script: multi.c.bpl_petrified1_Iteration5_Lasso [2025-04-26 18:42:21,395 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-04-26 18:42:21,396 INFO L243 LassoAnalysis]: Starting lasso preprocessing... [2025-04-26 18:42:21,397 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:21,401 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:21,403 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:21,414 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:21,416 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:21,417 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:21,420 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:21,427 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:21,476 INFO L261 LassoAnalysis]: Preprocessing complete. [2025-04-26 18:42:21,476 INFO L453 LassoAnalysis]: Using template 'affine'. [2025-04-26 18:42:21,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:21,476 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:21,507 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 18:42:21,508 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 18:42:21,509 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 18:42:21,518 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 18:42:21,518 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 18:42:21,518 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 18:42:21,518 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 18:42:21,520 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 18:42:21,520 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 18:42:21,523 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 18:42:21,528 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 18:42:21,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:21,529 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:21,530 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 18:42:21,541 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 18:42:21,542 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 18:42:21,552 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 18:42:21,552 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 18:42:21,552 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 18:42:21,552 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 18:42:21,554 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 18:42:21,554 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 18:42:21,557 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 18:42:21,563 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2025-04-26 18:42:21,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:21,563 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:21,565 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 18:42:21,565 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 18:42:21,566 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 18:42:21,576 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 18:42:21,576 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 18:42:21,576 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 18:42:21,576 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 18:42:21,578 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 18:42:21,578 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 18:42:21,581 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 18:42:21,588 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 18:42:21,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:21,589 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:21,590 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 18:42:21,592 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 18:42:21,593 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 18:42:21,603 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 18:42:21,603 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 18:42:21,603 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 18:42:21,603 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 18:42:21,605 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 18:42:21,605 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 18:42:21,607 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 18:42:21,613 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2025-04-26 18:42:21,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:21,613 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:21,615 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 18:42:21,615 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 18:42:21,617 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 18:42:21,627 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 18:42:21,627 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 18:42:21,627 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 18:42:21,627 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 18:42:21,629 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 18:42:21,629 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 18:42:21,631 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 18:42:21,637 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 18:42:21,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:21,637 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:21,639 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 18:42:21,640 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 18:42:21,641 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 18:42:21,650 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 18:42:21,650 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 18:42:21,650 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 18:42:21,650 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 18:42:21,651 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 18:42:21,651 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 18:42:21,654 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 18:42:21,660 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 18:42:21,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:21,660 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:21,662 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 18:42:21,663 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 18:42:21,664 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 18:42:21,674 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 18:42:21,674 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 18:42:21,674 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 18:42:21,674 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 18:42:21,677 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 18:42:21,677 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 18:42:21,681 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-04-26 18:42:21,686 INFO L436 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2025-04-26 18:42:21,686 INFO L437 ModelExtractionUtils]: 5 out of 10 variables were initially zero. Simplification set additionally 1 variables to zero. [2025-04-26 18:42:21,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:21,687 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:21,688 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 18:42:21,690 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 18:42:21,690 INFO L436 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-04-26 18:42:21,707 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 18:42:21,707 INFO L439 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2025-04-26 18:42:21,707 INFO L476 LassoAnalysis]: Proved termination. [2025-04-26 18:42:21,707 INFO L478 LassoAnalysis]: Termination argument consisting of: Ranking function f(z) = -1*z Supporting invariants [1*t - 1 >= 0] [2025-04-26 18:42:21,712 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2025-04-26 18:42:21,714 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2025-04-26 18:42:21,737 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 18:42:21,739 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-04-26 18:42:21,741 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-04-26 18:42:21,741 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:42:21,741 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 18:42:21,742 INFO L256 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-04-26 18:42:21,742 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 18:42:21,764 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-26 18:42:21,764 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 18:42:21,765 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:42:21,765 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 18:42:21,765 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-04-26 18:42:21,765 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 18:42:21,783 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 18:42:21,783 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 18:42:21,783 INFO L70 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 677 states and 1273 transitions. cyclomatic complexity: 698 Second operand has 4 states, 4 states have (on average 2.0) internal successors, (in total 8), 4 states have internal predecessors, (8), 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 18:42:21,865 INFO L74 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 677 states and 1273 transitions. cyclomatic complexity: 698. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (in total 8), 4 states have internal predecessors, (8), 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 1850 states and 3471 transitions. Complement of second has 10 states. [2025-04-26 18:42:21,865 INFO L140 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 2 stem states 2 non-accepting loop states 2 accepting loop states [2025-04-26 18:42:21,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.0) internal successors, (in total 8), 4 states have internal predecessors, (8), 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 18:42:21,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 166 transitions. [2025-04-26 18:42:21,868 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 7 states and 166 transitions. Stem has 5 letters. Loop has 3 letters. [2025-04-26 18:42:21,868 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 18:42:21,868 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 7 states and 166 transitions. Stem has 8 letters. Loop has 3 letters. [2025-04-26 18:42:21,869 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 18:42:21,869 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 7 states and 166 transitions. Stem has 5 letters. Loop has 6 letters. [2025-04-26 18:42:21,869 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 18:42:21,869 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1850 states and 3471 transitions. [2025-04-26 18:42:21,877 INFO L131 ngComponentsAnalysis]: Automaton has 93 accepting balls. 401 [2025-04-26 18:42:21,884 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1850 states to 1318 states and 2449 transitions. [2025-04-26 18:42:21,884 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 576 [2025-04-26 18:42:21,885 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 610 [2025-04-26 18:42:21,885 INFO L74 IsDeterministic]: Start isDeterministic. Operand 1318 states and 2449 transitions. [2025-04-26 18:42:21,885 INFO L81 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-04-26 18:42:21,885 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1318 states and 2449 transitions. [2025-04-26 18:42:21,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1318 states and 2449 transitions. [2025-04-26 18:42:21,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1318 to 880. [2025-04-26 18:42:21,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 880 states, 880 states have (on average 1.9011363636363636) internal successors, (in total 1673), 879 states have internal predecessors, (1673), 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 18:42:21,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 880 states to 880 states and 1673 transitions. [2025-04-26 18:42:21,901 INFO L240 hiAutomatonCegarLoop]: Abstraction has 880 states and 1673 transitions. [2025-04-26 18:42:21,901 INFO L438 stractBuchiCegarLoop]: Abstraction has 880 states and 1673 transitions. [2025-04-26 18:42:21,901 INFO L340 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2025-04-26 18:42:21,901 INFO L73 BuchiIsEmpty]: Start buchiIsEmpty. Operand 880 states and 1673 transitions. [2025-04-26 18:42:21,903 INFO L131 ngComponentsAnalysis]: Automaton has 48 accepting balls. 212 [2025-04-26 18:42:21,903 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-04-26 18:42:21,903 INFO L120 BuchiIsEmpty]: Starting construction of run [2025-04-26 18:42:21,904 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2025-04-26 18:42:21,904 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-04-26 18:42:21,904 INFO L752 eck$LassoCheckResult]: Stem: "[128] $Ultimate##0-->L26: Formula: (<= 0 v_b_6) InVars {b=v_b_6} OutVars{b=v_b_6} AuxVars[] AssignedVars[]" "[116] L26-->L20-1: Formula: (= (+ v_t_6 1) 0) InVars {} OutVars{t=v_t_6} AuxVars[] AssignedVars[t]" "[111] L20-1-->L29: Formula: (and (< 0 v_b1_4) (= v_q2_3 0) (< v_b2_4 v_a2_1) (= v_a2_1 v_r2_5) (= v_q1_3 0) (< 0 v_b2_4) (= v_a1_1 v_r1_5) (< v_b1_4 v_a1_1)) InVars {a1=v_a1_1, r2=v_r2_5, b2=v_b2_4, q1=v_q1_3, a2=v_a2_1, q2=v_q2_3, r1=v_r1_5, b1=v_b1_4} OutVars{a1=v_a1_1, r2=v_r2_5, b2=v_b2_4, q1=v_q1_3, a2=v_a2_1, q2=v_q2_3, r1=v_r1_5, b1=v_b1_4} AuxVars[] AssignedVars[]" "[166] L29-->L38: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0]" "[130] L38-->L53-1: Formula: (<= 0 v_x1_4) InVars {x1=v_x1_4} OutVars{x1=v_x1_4} AuxVars[] AssignedVars[]" "[132] L53-1-->L57-1: Formula: (<= 0 v_y1_4) InVars {y1=v_y1_4} OutVars{y1=v_y1_4} AuxVars[] AssignedVars[]" [2025-04-26 18:42:21,904 INFO L754 eck$LassoCheckResult]: Loop: "[137] L57-1-->L59: Formula: (<= v_b1_3 v_r1_4) InVars {r1=v_r1_4, b1=v_b1_3} OutVars{r1=v_r1_4, b1=v_b1_3} AuxVars[] AssignedVars[]" "[143] L59-->L60: Formula: (= (+ v_q1_2 1) v_q1_1) InVars {q1=v_q1_2} OutVars{q1=v_q1_1} AuxVars[] AssignedVars[q1]" "[146] L60-->L57-1: Formula: (= v_r1_2 (+ v_b1_1 v_r1_1)) InVars {r1=v_r1_2, b1=v_b1_1} OutVars{r1=v_r1_1, b1=v_b1_1} AuxVars[] AssignedVars[r1]" [2025-04-26 18:42:21,905 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 18:42:21,905 INFO L85 PathProgramCache]: Analyzing trace with hash 367666638, now seen corresponding path program 1 times [2025-04-26 18:42:21,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 18:42:21,905 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386196975] [2025-04-26 18:42:21,905 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 18:42:21,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 18:42:21,908 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-04-26 18:42:21,911 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-04-26 18:42:21,911 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:42:21,911 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:42:21,911 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 18:42:21,912 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-04-26 18:42:21,913 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-04-26 18:42:21,913 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:42:21,913 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:42:21,915 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 18:42:21,915 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 18:42:21,915 INFO L85 PathProgramCache]: Analyzing trace with hash 166027, now seen corresponding path program 1 times [2025-04-26 18:42:21,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 18:42:21,915 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812437822] [2025-04-26 18:42:21,916 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 18:42:21,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 18:42:21,918 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-26 18:42:21,919 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 18:42:21,919 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:42:21,919 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:42:21,919 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 18:42:21,919 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-26 18:42:21,922 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 18:42:21,923 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:42:21,923 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:42:21,923 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 18:42:21,924 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 18:42:21,924 INFO L85 PathProgramCache]: Analyzing trace with hash 990344094, now seen corresponding path program 1 times [2025-04-26 18:42:21,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 18:42:21,924 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081482220] [2025-04-26 18:42:21,924 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 18:42:21,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 18:42:21,925 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-04-26 18:42:21,927 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-04-26 18:42:21,928 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:42:21,928 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:42:21,928 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 18:42:21,928 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-04-26 18:42:21,930 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-04-26 18:42:21,930 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:42:21,930 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:42:21,931 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 18:42:21,945 INFO L206 LassoAnalysis]: Preferences: [2025-04-26 18:42:21,945 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-04-26 18:42:21,945 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-04-26 18:42:21,945 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-04-26 18:42:21,945 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-04-26 18:42:21,945 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:21,945 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-04-26 18:42:21,945 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-04-26 18:42:21,945 INFO L132 ssoRankerPreferences]: Filename of dumped script: multi.c.bpl_petrified1_Iteration6_Loop [2025-04-26 18:42:21,945 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-04-26 18:42:21,945 INFO L243 LassoAnalysis]: Starting lasso preprocessing... [2025-04-26 18:42:21,945 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:21,950 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:21,965 INFO L261 LassoAnalysis]: Preprocessing complete. [2025-04-26 18:42:21,966 INFO L367 LassoAnalysis]: Checking for nontermination... [2025-04-26 18:42:21,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:21,966 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:21,967 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 18:42:21,969 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 18:42:21,970 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 18:42:21,970 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 18:42:21,987 INFO L400 LassoAnalysis]: Proved nontermination for one component. [2025-04-26 18:42:21,987 INFO L403 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {r1=0, b1=0} Honda state: {r1=0, b1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-04-26 18:42:21,993 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 18:42:21,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:21,993 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:21,995 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 18:42:21,995 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 18:42:21,996 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 18:42:21,996 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 18:42:22,012 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 18:42:22,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:22,013 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:22,015 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 18:42:22,016 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 18:42:22,017 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-04-26 18:42:22,017 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 18:42:22,039 INFO L400 LassoAnalysis]: Proved nontermination for one component. [2025-04-26 18:42:22,039 INFO L403 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {q1=0} Honda state: {q1=0} Generalized eigenvectors: [{q1=-1}, {q1=4}, {q1=-2}] Lambdas: [5, 1, 1] Nus: [1, 0] [2025-04-26 18:42:22,045 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2025-04-26 18:42:22,103 INFO L206 LassoAnalysis]: Preferences: [2025-04-26 18:42:22,103 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-04-26 18:42:22,103 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-04-26 18:42:22,103 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-04-26 18:42:22,103 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-04-26 18:42:22,103 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:22,103 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-04-26 18:42:22,103 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-04-26 18:42:22,103 INFO L132 ssoRankerPreferences]: Filename of dumped script: multi.c.bpl_petrified1_Iteration6_Lasso [2025-04-26 18:42:22,103 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-04-26 18:42:22,103 INFO L243 LassoAnalysis]: Starting lasso preprocessing... [2025-04-26 18:42:22,104 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:22,106 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:22,109 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:22,111 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:22,116 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:22,118 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:22,120 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:22,128 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:22,130 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:22,191 INFO L261 LassoAnalysis]: Preprocessing complete. [2025-04-26 18:42:22,191 INFO L367 LassoAnalysis]: Checking for nontermination... [2025-04-26 18:42:22,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:22,191 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:22,193 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 18:42:22,194 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 18:42:22,195 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 18:42:22,195 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 18:42:22,212 INFO L400 LassoAnalysis]: Proved nontermination for one component. [2025-04-26 18:42:22,213 INFO L403 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {b=0} Honda state: {b=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-04-26 18:42:22,218 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2025-04-26 18:42:22,218 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:22,219 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:22,220 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 18:42:22,221 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 18:42:22,224 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 18:42:22,224 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 18:42:22,240 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 18:42:22,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:22,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:22,242 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 18:42:22,244 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 18:42:22,245 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-04-26 18:42:22,245 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 18:42:22,267 INFO L400 LassoAnalysis]: Proved nontermination for one component. [2025-04-26 18:42:22,267 INFO L403 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {q1=0} Honda state: {q1=0} Generalized eigenvectors: [{q1=-1}, {q1=-1}, {q1=3}] Lambdas: [0, 1, 1] Nus: [1, 0] [2025-04-26 18:42:22,272 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 18:42:22,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:22,273 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:22,274 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 18:42:22,276 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 18:42:22,277 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 18:42:22,277 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 18:42:22,293 INFO L400 LassoAnalysis]: Proved nontermination for one component. [2025-04-26 18:42:22,294 INFO L403 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {q2=0} Honda state: {q2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-04-26 18:42:22,299 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2025-04-26 18:42:22,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:22,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:22,301 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 18:42:22,302 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 18:42:22,303 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 18:42:22,303 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 18:42:22,321 INFO L400 LassoAnalysis]: Proved nontermination for one component. [2025-04-26 18:42:22,321 INFO L403 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {r2=6, a2=6, b2=4} Honda state: {r2=6, a2=6, b2=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-04-26 18:42:22,326 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 18:42:22,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:22,326 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:22,328 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 18:42:22,329 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 18:42:22,330 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 18:42:22,330 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 18:42:22,340 INFO L400 LassoAnalysis]: Proved nontermination for one component. [2025-04-26 18:42:22,341 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 18:42:22,346 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 18:42:22,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:22,346 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:22,347 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 18:42:22,348 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 18:42:22,350 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 18:42:22,350 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 18:42:22,367 INFO L400 LassoAnalysis]: Proved nontermination for one component. [2025-04-26 18:42:22,367 INFO L403 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {t=0} Honda state: {t=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-04-26 18:42:22,372 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 18:42:22,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:22,373 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:22,374 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 18:42:22,375 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 18:42:22,376 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 18:42:22,376 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 18:42:22,398 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2025-04-26 18:42:22,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:22,399 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:22,400 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 18:42:22,401 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 18:42:22,402 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-04-26 18:42:22,402 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 18:42:22,532 INFO L407 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-04-26 18:42:22,538 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2025-04-26 18:42:22,538 INFO L206 LassoAnalysis]: Preferences: [2025-04-26 18:42:22,538 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-04-26 18:42:22,538 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-04-26 18:42:22,538 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-04-26 18:42:22,538 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-04-26 18:42:22,538 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:22,538 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-04-26 18:42:22,538 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-04-26 18:42:22,538 INFO L132 ssoRankerPreferences]: Filename of dumped script: multi.c.bpl_petrified1_Iteration6_Lasso [2025-04-26 18:42:22,538 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-04-26 18:42:22,538 INFO L243 LassoAnalysis]: Starting lasso preprocessing... [2025-04-26 18:42:22,540 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:22,542 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:22,544 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:22,546 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:22,551 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:22,553 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:22,555 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:22,562 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:22,564 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:22,630 INFO L261 LassoAnalysis]: Preprocessing complete. [2025-04-26 18:42:22,630 INFO L453 LassoAnalysis]: Using template 'affine'. [2025-04-26 18:42:22,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:22,630 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:22,632 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 18:42:22,632 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 18:42:22,633 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 18:42:22,643 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 18:42:22,643 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 18:42:22,643 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 18:42:22,643 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 18:42:22,644 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 18:42:22,644 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 18:42:22,646 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 18:42:22,653 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2025-04-26 18:42:22,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:22,654 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:22,656 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 18:42:22,657 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 18:42:22,659 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 18:42:22,668 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 18:42:22,668 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 18:42:22,668 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 18:42:22,669 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 18:42:22,670 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 18:42:22,671 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 18:42:22,673 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 18:42:22,679 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2025-04-26 18:42:22,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:22,679 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:22,681 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 18:42:22,682 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 18:42:22,684 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 18:42:22,694 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 18:42:22,695 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 18:42:22,695 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 18:42:22,695 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 18:42:22,696 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 18:42:22,696 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 18:42:22,698 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 18:42:22,704 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2025-04-26 18:42:22,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:22,704 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:22,706 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 18:42:22,707 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 18:42:22,709 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 18:42:22,718 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 18:42:22,719 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 18:42:22,719 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 18:42:22,719 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 18:42:22,720 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 18:42:22,720 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 18:42:22,723 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 18:42:22,729 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2025-04-26 18:42:22,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:22,730 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:22,733 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 18:42:22,733 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 18:42:22,735 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-04-26 18:42:22,744 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 18:42:22,744 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 18:42:22,744 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 18:42:22,744 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 18:42:22,745 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 18:42:22,745 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 18:42:22,747 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 18:42:22,753 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2025-04-26 18:42:22,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:22,754 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:22,755 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 18:42:22,757 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 18:42:22,757 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-04-26 18:42:22,767 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 18:42:22,767 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 18:42:22,767 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 18:42:22,767 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 18:42:22,768 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 18:42:22,768 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 18:42:22,770 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 18:42:22,776 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 18:42:22,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:22,777 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:22,778 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 18:42:22,779 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 18:42:22,781 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 18:42:22,790 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 18:42:22,791 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 18:42:22,791 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 18:42:22,791 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 18:42:22,792 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 18:42:22,792 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 18:42:22,796 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-04-26 18:42:22,802 INFO L436 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2025-04-26 18:42:22,802 INFO L437 ModelExtractionUtils]: 4 out of 13 variables were initially zero. Simplification set additionally 1 variables to zero. [2025-04-26 18:42:22,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:22,802 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:22,804 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 18:42:22,804 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 18:42:22,806 INFO L436 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-04-26 18:42:22,821 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 18:42:22,821 INFO L439 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 2. [2025-04-26 18:42:22,821 INFO L476 LassoAnalysis]: Proved termination. [2025-04-26 18:42:22,821 INFO L478 LassoAnalysis]: Termination argument consisting of: Ranking function f(a1, r1, b1) = 1*a1 + 2*r1 - 2*b1 Supporting invariants [1*b1 - 1 >= 0, 1*a1 - 2 >= 0] [2025-04-26 18:42:22,826 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2025-04-26 18:42:22,833 INFO L156 tatePredicateManager]: 0 out of 2 supporting invariants were superfluous and have been removed [2025-04-26 18:42:22,851 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 18:42:22,854 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-04-26 18:42:22,856 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-04-26 18:42:22,856 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:42:22,856 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 18:42:22,856 INFO L256 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-04-26 18:42:22,856 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 18:42:22,884 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-26 18:42:22,885 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 18:42:22,885 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:42:22,885 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 18:42:22,886 WARN L254 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-04-26 18:42:22,886 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 18:42:22,908 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 18:42:22,908 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 18:42:22,909 INFO L70 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 880 states and 1673 transitions. cyclomatic complexity: 920 Second operand has 4 states, 4 states have (on average 2.25) internal successors, (in total 9), 4 states have internal predecessors, (9), 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 18:42:22,954 INFO L74 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 880 states and 1673 transitions. cyclomatic complexity: 920. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (in total 9), 4 states have internal predecessors, (9), 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 1198 states and 2325 transitions. Complement of second has 7 states. [2025-04-26 18:42:22,955 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 18:42:22,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.25) internal successors, (in total 9), 4 states have internal predecessors, (9), 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 18:42:22,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 78 transitions. [2025-04-26 18:42:22,957 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 5 states and 78 transitions. Stem has 6 letters. Loop has 3 letters. [2025-04-26 18:42:22,957 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 18:42:22,957 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 5 states and 78 transitions. Stem has 9 letters. Loop has 3 letters. [2025-04-26 18:42:22,957 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 18:42:22,957 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 5 states and 78 transitions. Stem has 6 letters. Loop has 6 letters. [2025-04-26 18:42:22,958 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 18:42:22,958 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1198 states and 2325 transitions. [2025-04-26 18:42:22,964 INFO L131 ngComponentsAnalysis]: Automaton has 29 accepting balls. 110 [2025-04-26 18:42:22,968 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1198 states to 904 states and 1733 transitions. [2025-04-26 18:42:22,968 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 234 [2025-04-26 18:42:22,968 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 266 [2025-04-26 18:42:22,969 INFO L74 IsDeterministic]: Start isDeterministic. Operand 904 states and 1733 transitions. [2025-04-26 18:42:22,969 INFO L81 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-04-26 18:42:22,969 INFO L218 hiAutomatonCegarLoop]: Abstraction has 904 states and 1733 transitions. [2025-04-26 18:42:22,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 904 states and 1733 transitions. [2025-04-26 18:42:22,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 904 to 839. [2025-04-26 18:42:22,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 839 states, 839 states have (on average 1.9106078665077473) internal successors, (in total 1603), 838 states have internal predecessors, (1603), 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 18:42:22,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 839 states to 839 states and 1603 transitions. [2025-04-26 18:42:22,981 INFO L240 hiAutomatonCegarLoop]: Abstraction has 839 states and 1603 transitions. [2025-04-26 18:42:22,981 INFO L438 stractBuchiCegarLoop]: Abstraction has 839 states and 1603 transitions. [2025-04-26 18:42:22,982 INFO L340 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2025-04-26 18:42:22,982 INFO L73 BuchiIsEmpty]: Start buchiIsEmpty. Operand 839 states and 1603 transitions. [2025-04-26 18:42:22,984 INFO L131 ngComponentsAnalysis]: Automaton has 29 accepting balls. 110 [2025-04-26 18:42:22,984 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-04-26 18:42:22,984 INFO L120 BuchiIsEmpty]: Starting construction of run [2025-04-26 18:42:22,984 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2025-04-26 18:42:22,984 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-04-26 18:42:22,985 INFO L752 eck$LassoCheckResult]: Stem: "[128] $Ultimate##0-->L26: Formula: (<= 0 v_b_6) InVars {b=v_b_6} OutVars{b=v_b_6} AuxVars[] AssignedVars[]" "[116] L26-->L20-1: Formula: (= (+ v_t_6 1) 0) InVars {} OutVars{t=v_t_6} AuxVars[] AssignedVars[t]" "[111] L20-1-->L29: Formula: (and (< 0 v_b1_4) (= v_q2_3 0) (< v_b2_4 v_a2_1) (= v_a2_1 v_r2_5) (= v_q1_3 0) (< 0 v_b2_4) (= v_a1_1 v_r1_5) (< v_b1_4 v_a1_1)) InVars {a1=v_a1_1, r2=v_r2_5, b2=v_b2_4, q1=v_q1_3, a2=v_a2_1, q2=v_q2_3, r1=v_r1_5, b1=v_b1_4} OutVars{a1=v_a1_1, r2=v_r2_5, b2=v_b2_4, q1=v_q1_3, a2=v_a2_1, q2=v_q2_3, r1=v_r1_5, b1=v_b1_4} AuxVars[] AssignedVars[]" "[166] L29-->L38: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0]" "[131] L38-->L42-2: Formula: (< v_x1_1 0) InVars {x1=v_x1_1} OutVars{x1=v_x1_1} AuxVars[] AssignedVars[]" "[169] L29-1-->L67: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1]" [2025-04-26 18:42:22,985 INFO L754 eck$LassoCheckResult]: Loop: "[148] L67-->L71-2: Formula: (< v_x2_1 0) InVars {x2=v_x2_1} OutVars{x2=v_x2_1} AuxVars[] AssignedVars[]" "[151] L71-2-->L80: Formula: (<= 0 v_z_12) InVars {z=v_z_12} OutVars{z=v_z_12} AuxVars[] AssignedVars[]" "[156] L80-->L67: Formula: (= v_x2_2 (+ v_x2_3 1)) InVars {x2=v_x2_3} OutVars{x2=v_x2_2} AuxVars[] AssignedVars[x2]" [2025-04-26 18:42:22,985 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 18:42:22,985 INFO L85 PathProgramCache]: Analyzing trace with hash 367666706, now seen corresponding path program 1 times [2025-04-26 18:42:22,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 18:42:22,985 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884181454] [2025-04-26 18:42:22,985 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 18:42:22,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 18:42:22,987 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-04-26 18:42:22,988 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-04-26 18:42:22,988 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:42:22,988 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:42:22,988 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 18:42:22,989 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-04-26 18:42:22,990 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-04-26 18:42:22,990 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:42:22,990 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:42:22,991 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 18:42:22,991 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 18:42:22,991 INFO L85 PathProgramCache]: Analyzing trace with hash 176856, now seen corresponding path program 1 times [2025-04-26 18:42:22,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 18:42:22,992 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768411908] [2025-04-26 18:42:22,992 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 18:42:22,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 18:42:22,993 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-26 18:42:22,993 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 18:42:22,993 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:42:22,993 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:42:22,994 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 18:42:22,994 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-26 18:42:22,994 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 18:42:22,994 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:42:22,994 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:42:22,995 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 18:42:22,995 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 18:42:22,995 INFO L85 PathProgramCache]: Analyzing trace with hash 992380711, now seen corresponding path program 1 times [2025-04-26 18:42:22,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 18:42:22,995 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900478514] [2025-04-26 18:42:22,995 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 18:42:22,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 18:42:22,997 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-04-26 18:42:22,998 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-04-26 18:42:22,998 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:42:22,998 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:42:22,998 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 18:42:22,999 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-04-26 18:42:23,000 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-04-26 18:42:23,000 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:42:23,000 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:42:23,001 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 18:42:23,012 INFO L206 LassoAnalysis]: Preferences: [2025-04-26 18:42:23,012 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-04-26 18:42:23,012 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-04-26 18:42:23,012 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-04-26 18:42:23,012 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-04-26 18:42:23,012 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:23,012 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-04-26 18:42:23,012 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-04-26 18:42:23,012 INFO L132 ssoRankerPreferences]: Filename of dumped script: multi.c.bpl_petrified1_Iteration7_Loop [2025-04-26 18:42:23,012 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-04-26 18:42:23,013 INFO L243 LassoAnalysis]: Starting lasso preprocessing... [2025-04-26 18:42:23,013 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:23,016 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:23,028 INFO L261 LassoAnalysis]: Preprocessing complete. [2025-04-26 18:42:23,028 INFO L367 LassoAnalysis]: Checking for nontermination... [2025-04-26 18:42:23,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:23,028 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:23,030 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 18:42:23,031 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 18:42:23,033 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 18:42:23,033 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 18:42:23,048 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 18:42:23,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:23,049 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:23,050 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 18:42:23,051 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 18:42:23,052 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-04-26 18:42:23,052 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 18:42:23,073 INFO L407 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-04-26 18:42:23,076 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 18:42:23,077 INFO L206 LassoAnalysis]: Preferences: [2025-04-26 18:42:23,077 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-04-26 18:42:23,077 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-04-26 18:42:23,077 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-04-26 18:42:23,077 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-04-26 18:42:23,077 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:23,077 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-04-26 18:42:23,077 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-04-26 18:42:23,077 INFO L132 ssoRankerPreferences]: Filename of dumped script: multi.c.bpl_petrified1_Iteration7_Loop [2025-04-26 18:42:23,077 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-04-26 18:42:23,077 INFO L243 LassoAnalysis]: Starting lasso preprocessing... [2025-04-26 18:42:23,078 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:23,081 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:23,093 INFO L261 LassoAnalysis]: Preprocessing complete. [2025-04-26 18:42:23,093 INFO L453 LassoAnalysis]: Using template 'affine'. [2025-04-26 18:42:23,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:23,094 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:23,095 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 18:42:23,097 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 18:42:23,097 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-04-26 18:42:23,107 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 18:42:23,107 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-04-26 18:42:23,107 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 18:42:23,107 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 18:42:23,107 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 18:42:23,107 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-04-26 18:42:23,107 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-04-26 18:42:23,109 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-04-26 18:42:23,111 INFO L436 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2025-04-26 18:42:23,111 INFO L437 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2025-04-26 18:42:23,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:23,111 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:23,113 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 18:42:23,113 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 18:42:23,114 INFO L436 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-04-26 18:42:23,117 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2025-04-26 18:42:23,117 INFO L439 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2025-04-26 18:42:23,117 INFO L476 LassoAnalysis]: Proved termination. [2025-04-26 18:42:23,117 INFO L478 LassoAnalysis]: Termination argument consisting of: Ranking function f(x2) = -1*x2 Supporting invariants [] [2025-04-26 18:42:23,122 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2025-04-26 18:42:23,123 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-04-26 18:42:23,134 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 18:42:23,138 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-04-26 18:42:23,143 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-04-26 18:42:23,143 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:42:23,143 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 18:42:23,144 INFO L256 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-04-26 18:42:23,144 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 18:42:23,152 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-26 18:42:23,153 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 18:42:23,153 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:42:23,153 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 18:42:23,153 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-04-26 18:42:23,154 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 18:42:23,165 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 18:42:23,165 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 18:42:23,166 INFO L70 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 839 states and 1603 transitions. cyclomatic complexity: 869 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (in total 9), 3 states have internal predecessors, (9), 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 18:42:23,193 INFO L74 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 839 states and 1603 transitions. cyclomatic complexity: 869. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (in total 9), 3 states have internal predecessors, (9), 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 1950 states and 3819 transitions. Complement of second has 6 states. [2025-04-26 18:42:23,198 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 18:42:23,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (in total 9), 3 states have internal predecessors, (9), 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 18:42:23,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 83 transitions. [2025-04-26 18:42:23,198 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 4 states and 83 transitions. Stem has 6 letters. Loop has 3 letters. [2025-04-26 18:42:23,198 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 18:42:23,198 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 4 states and 83 transitions. Stem has 9 letters. Loop has 3 letters. [2025-04-26 18:42:23,199 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 18:42:23,199 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 4 states and 83 transitions. Stem has 6 letters. Loop has 6 letters. [2025-04-26 18:42:23,199 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 18:42:23,199 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1950 states and 3819 transitions. [2025-04-26 18:42:23,207 INFO L131 ngComponentsAnalysis]: Automaton has 22 accepting balls. 71 [2025-04-26 18:42:23,214 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1950 states to 1371 states and 2625 transitions. [2025-04-26 18:42:23,214 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 250 [2025-04-26 18:42:23,214 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 272 [2025-04-26 18:42:23,214 INFO L74 IsDeterministic]: Start isDeterministic. Operand 1371 states and 2625 transitions. [2025-04-26 18:42:23,214 INFO L81 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-04-26 18:42:23,214 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1371 states and 2625 transitions. [2025-04-26 18:42:23,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1371 states and 2625 transitions. [2025-04-26 18:42:23,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1371 to 1308. [2025-04-26 18:42:23,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1308 states, 1308 states have (on average 1.926605504587156) internal successors, (in total 2520), 1307 states have internal predecessors, (2520), 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 18:42:23,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1308 states to 1308 states and 2520 transitions. [2025-04-26 18:42:23,248 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1308 states and 2520 transitions. [2025-04-26 18:42:23,248 INFO L438 stractBuchiCegarLoop]: Abstraction has 1308 states and 2520 transitions. [2025-04-26 18:42:23,248 INFO L340 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2025-04-26 18:42:23,248 INFO L73 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1308 states and 2520 transitions. [2025-04-26 18:42:23,251 INFO L131 ngComponentsAnalysis]: Automaton has 22 accepting balls. 71 [2025-04-26 18:42:23,252 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-04-26 18:42:23,252 INFO L120 BuchiIsEmpty]: Starting construction of run [2025-04-26 18:42:23,252 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2025-04-26 18:42:23,252 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-04-26 18:42:23,252 INFO L752 eck$LassoCheckResult]: Stem: "[127] $Ultimate##0-->L22: Formula: (< v_b_5 0) InVars {b=v_b_5} OutVars{b=v_b_5} AuxVars[] AssignedVars[]" "[108] L22-->L20-1: Formula: (= v_t_5 1) InVars {} OutVars{t=v_t_5} AuxVars[] AssignedVars[t]" "[111] L20-1-->L29: Formula: (and (< 0 v_b1_4) (= v_q2_3 0) (< v_b2_4 v_a2_1) (= v_a2_1 v_r2_5) (= v_q1_3 0) (< 0 v_b2_4) (= v_a1_1 v_r1_5) (< v_b1_4 v_a1_1)) InVars {a1=v_a1_1, r2=v_r2_5, b2=v_b2_4, q1=v_q1_3, a2=v_a2_1, q2=v_q2_3, r1=v_r1_5, b1=v_b1_4} OutVars{a1=v_a1_1, r2=v_r2_5, b2=v_b2_4, q1=v_q1_3, a2=v_a2_1, q2=v_q2_3, r1=v_r1_5, b1=v_b1_4} AuxVars[] AssignedVars[]" "[166] L29-->L38: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0]" "[131] L38-->L42-2: Formula: (< v_x1_1 0) InVars {x1=v_x1_1} OutVars{x1=v_x1_1} AuxVars[] AssignedVars[]" "[169] L29-1-->L67: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1]" "[147] L67-->L82-1: Formula: (<= 0 v_x2_4) InVars {x2=v_x2_4} OutVars{x2=v_x2_4} AuxVars[] AssignedVars[]" [2025-04-26 18:42:23,252 INFO L754 eck$LassoCheckResult]: Loop: "[135] L42-2-->L42: Formula: (< v_z_1 0) InVars {z=v_z_1} OutVars{z=v_z_1} AuxVars[] AssignedVars[]" "[141] L42-->L48: Formula: (<= 0 v_b_2) InVars {b=v_b_2} OutVars{b=v_b_2} AuxVars[] AssignedVars[]" "[145] L48-->L42-2: Formula: (= (+ v_z_4 v_t_2) v_z_5) InVars {t=v_t_2, z=v_z_5} OutVars{t=v_t_2, z=v_z_4} AuxVars[] AssignedVars[z]" [2025-04-26 18:42:23,253 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 18:42:23,253 INFO L85 PathProgramCache]: Analyzing trace with hash 1691196552, now seen corresponding path program 1 times [2025-04-26 18:42:23,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 18:42:23,253 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279862641] [2025-04-26 18:42:23,253 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 18:42:23,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 18:42:23,255 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-04-26 18:42:23,259 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-04-26 18:42:23,259 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:42:23,259 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:42:23,259 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 18:42:23,260 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-04-26 18:42:23,261 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-04-26 18:42:23,264 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:42:23,264 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:42:23,265 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 18:42:23,266 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 18:42:23,266 INFO L85 PathProgramCache]: Analyzing trace with hash 164042, now seen corresponding path program 2 times [2025-04-26 18:42:23,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 18:42:23,266 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874099582] [2025-04-26 18:42:23,266 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-26 18:42:23,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 18:42:23,267 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 3 statements into 1 equivalence classes. [2025-04-26 18:42:23,272 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 18:42:23,272 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-26 18:42:23,272 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:42:23,272 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 18:42:23,273 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-26 18:42:23,273 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 18:42:23,273 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:42:23,273 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:42:23,274 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 18:42:23,274 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 18:42:23,276 INFO L85 PathProgramCache]: Analyzing trace with hash -1824734493, now seen corresponding path program 1 times [2025-04-26 18:42:23,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 18:42:23,276 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935014917] [2025-04-26 18:42:23,276 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 18:42:23,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 18:42:23,278 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-04-26 18:42:23,279 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-04-26 18:42:23,282 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:42:23,282 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 18:42:23,300 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 18:42:23,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-26 18:42:23,300 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935014917] [2025-04-26 18:42:23,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1935014917] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-26 18:42:23,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-26 18:42:23,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-26 18:42:23,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707167321] [2025-04-26 18:42:23,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-26 18:42:23,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-26 18:42:23,314 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-26 18:42:23,314 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-26 18:42:23,315 INFO L87 Difference]: Start difference. First operand 1308 states and 2520 transitions. cyclomatic complexity: 1366 Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (in total 10), 2 states have internal predecessors, (10), 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 18:42:23,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-26 18:42:23,330 INFO L93 Difference]: Finished difference Result 1337 states and 2527 transitions. [2025-04-26 18:42:23,330 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1337 states and 2527 transitions. [2025-04-26 18:42:23,335 INFO L131 ngComponentsAnalysis]: Automaton has 18 accepting balls. 48 [2025-04-26 18:42:23,340 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1337 states to 1028 states and 1921 transitions. [2025-04-26 18:42:23,340 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 195 [2025-04-26 18:42:23,340 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 195 [2025-04-26 18:42:23,340 INFO L74 IsDeterministic]: Start isDeterministic. Operand 1028 states and 1921 transitions. [2025-04-26 18:42:23,340 INFO L81 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-04-26 18:42:23,341 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1028 states and 1921 transitions. [2025-04-26 18:42:23,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1028 states and 1921 transitions. [2025-04-26 18:42:23,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1028 to 852. [2025-04-26 18:42:23,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 852 states, 852 states have (on average 1.8732394366197183) internal successors, (in total 1596), 851 states have internal predecessors, (1596), 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 18:42:23,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 852 states to 852 states and 1596 transitions. [2025-04-26 18:42:23,353 INFO L240 hiAutomatonCegarLoop]: Abstraction has 852 states and 1596 transitions. [2025-04-26 18:42:23,354 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-26 18:42:23,354 INFO L438 stractBuchiCegarLoop]: Abstraction has 852 states and 1596 transitions. [2025-04-26 18:42:23,354 INFO L340 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2025-04-26 18:42:23,354 INFO L73 BuchiIsEmpty]: Start buchiIsEmpty. Operand 852 states and 1596 transitions. [2025-04-26 18:42:23,356 INFO L131 ngComponentsAnalysis]: Automaton has 12 accepting balls. 33 [2025-04-26 18:42:23,356 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-04-26 18:42:23,356 INFO L120 BuchiIsEmpty]: Starting construction of run [2025-04-26 18:42:23,356 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-26 18:42:23,356 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-04-26 18:42:23,357 INFO L752 eck$LassoCheckResult]: Stem: "[128] $Ultimate##0-->L26: Formula: (<= 0 v_b_6) InVars {b=v_b_6} OutVars{b=v_b_6} AuxVars[] AssignedVars[]" "[116] L26-->L20-1: Formula: (= (+ v_t_6 1) 0) InVars {} OutVars{t=v_t_6} AuxVars[] AssignedVars[t]" "[111] L20-1-->L29: Formula: (and (< 0 v_b1_4) (= v_q2_3 0) (< v_b2_4 v_a2_1) (= v_a2_1 v_r2_5) (= v_q1_3 0) (< 0 v_b2_4) (= v_a1_1 v_r1_5) (< v_b1_4 v_a1_1)) InVars {a1=v_a1_1, r2=v_r2_5, b2=v_b2_4, q1=v_q1_3, a2=v_a2_1, q2=v_q2_3, r1=v_r1_5, b1=v_b1_4} OutVars{a1=v_a1_1, r2=v_r2_5, b2=v_b2_4, q1=v_q1_3, a2=v_a2_1, q2=v_q2_3, r1=v_r1_5, b1=v_b1_4} AuxVars[] AssignedVars[]" "[166] L29-->L38: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0]" "[130] L38-->L53-1: Formula: (<= 0 v_x1_4) InVars {x1=v_x1_4} OutVars{x1=v_x1_4} AuxVars[] AssignedVars[]" "[132] L53-1-->L57-1: Formula: (<= 0 v_y1_4) InVars {y1=v_y1_4} OutVars{y1=v_y1_4} AuxVars[] AssignedVars[]" "[136] L57-1-->thread1FINAL: Formula: (< v_r1_3 v_b1_2) InVars {r1=v_r1_3, b1=v_b1_2} OutVars{r1=v_r1_3, b1=v_b1_2} AuxVars[] AssignedVars[]" "[142] thread1FINAL-->thread1EXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[]" "[169] L29-1-->L67: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1]" "[147] L67-->L82-1: Formula: (<= 0 v_x2_4) InVars {x2=v_x2_4} OutVars{x2=v_x2_4} AuxVars[] AssignedVars[]" [2025-04-26 18:42:23,357 INFO L754 eck$LassoCheckResult]: Loop: "[150] L82-1-->L84: Formula: (< v_y2_1 0) InVars {y2=v_y2_1} OutVars{y2=v_y2_1} AuxVars[] AssignedVars[]" "[155] L84-->L82-1: Formula: (= v_y2_2 (+ v_y2_3 1)) InVars {y2=v_y2_3} OutVars{y2=v_y2_2} AuxVars[] AssignedVars[y2]" [2025-04-26 18:42:23,357 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 18:42:23,357 INFO L85 PathProgramCache]: Analyzing trace with hash 635865950, now seen corresponding path program 1 times [2025-04-26 18:42:23,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 18:42:23,357 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632964282] [2025-04-26 18:42:23,357 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 18:42:23,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 18:42:23,359 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-04-26 18:42:23,361 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-04-26 18:42:23,361 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:42:23,361 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 18:42:23,381 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 18:42:23,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-26 18:42:23,382 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632964282] [2025-04-26 18:42:23,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [632964282] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-26 18:42:23,382 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-26 18:42:23,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-26 18:42:23,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534045721] [2025-04-26 18:42:23,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-26 18:42:23,382 INFO L757 eck$LassoCheckResult]: stem already infeasible [2025-04-26 18:42:23,382 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 18:42:23,383 INFO L85 PathProgramCache]: Analyzing trace with hash 5766, now seen corresponding path program 1 times [2025-04-26 18:42:23,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 18:42:23,383 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339088981] [2025-04-26 18:42:23,383 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 18:42:23,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 18:42:23,385 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-04-26 18:42:23,386 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-04-26 18:42:23,386 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:42:23,386 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:42:23,386 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 18:42:23,387 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-04-26 18:42:23,387 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-04-26 18:42:23,387 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:42:23,387 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:42:23,388 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 18:42:23,397 INFO L206 LassoAnalysis]: Preferences: [2025-04-26 18:42:23,397 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-04-26 18:42:23,397 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-04-26 18:42:23,397 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-04-26 18:42:23,397 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-04-26 18:42:23,397 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:23,397 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-04-26 18:42:23,397 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-04-26 18:42:23,397 INFO L132 ssoRankerPreferences]: Filename of dumped script: multi.c.bpl_petrified1_Iteration9_Loop [2025-04-26 18:42:23,397 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-04-26 18:42:23,397 INFO L243 LassoAnalysis]: Starting lasso preprocessing... [2025-04-26 18:42:23,397 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:23,408 INFO L261 LassoAnalysis]: Preprocessing complete. [2025-04-26 18:42:23,408 INFO L367 LassoAnalysis]: Checking for nontermination... [2025-04-26 18:42:23,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:23,408 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:23,411 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 18:42:23,412 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 18:42:23,414 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 18:42:23,414 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 18:42:23,431 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 18:42:23,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:23,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:23,433 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 18:42:23,434 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 18:42:23,436 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-04-26 18:42:23,436 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 18:42:23,457 INFO L407 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-04-26 18:42:23,461 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 18:42:23,461 INFO L206 LassoAnalysis]: Preferences: [2025-04-26 18:42:23,461 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-04-26 18:42:23,461 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-04-26 18:42:23,461 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-04-26 18:42:23,461 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-04-26 18:42:23,462 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:23,462 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-04-26 18:42:23,462 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-04-26 18:42:23,462 INFO L132 ssoRankerPreferences]: Filename of dumped script: multi.c.bpl_petrified1_Iteration9_Loop [2025-04-26 18:42:23,462 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-04-26 18:42:23,462 INFO L243 LassoAnalysis]: Starting lasso preprocessing... [2025-04-26 18:42:23,462 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:23,478 INFO L261 LassoAnalysis]: Preprocessing complete. [2025-04-26 18:42:23,478 INFO L453 LassoAnalysis]: Using template 'affine'. [2025-04-26 18:42:23,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:23,478 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:23,480 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 18:42:23,481 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 18:42:23,482 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 18:42:23,492 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 18:42:23,492 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-04-26 18:42:23,492 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 18:42:23,492 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 18:42:23,492 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 18:42:23,493 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-04-26 18:42:23,493 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-04-26 18:42:23,494 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-04-26 18:42:23,497 INFO L436 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2025-04-26 18:42:23,497 INFO L437 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2025-04-26 18:42:23,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:23,497 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:23,499 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 18:42:23,501 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 18:42:23,501 INFO L436 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-04-26 18:42:23,504 ERROR L418 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Exception during sending of exit command (exit): Broken pipe [2025-04-26 18:42:23,505 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 18:42:23,505 INFO L439 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2025-04-26 18:42:23,505 INFO L476 LassoAnalysis]: Proved termination. [2025-04-26 18:42:23,505 INFO L478 LassoAnalysis]: Termination argument consisting of: Ranking function f(y2) = -1*y2 Supporting invariants [] [2025-04-26 18:42:23,511 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 18:42:23,512 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-04-26 18:42:23,521 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 18:42:23,525 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-04-26 18:42:23,528 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-04-26 18:42:23,528 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:42:23,528 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 18:42:23,528 INFO L256 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-04-26 18:42:23,528 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 18:42:23,539 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-04-26 18:42:23,540 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-04-26 18:42:23,540 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:42:23,540 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 18:42:23,540 WARN L254 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-04-26 18:42:23,540 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 18:42:23,549 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 18:42:23,549 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 18:42:23,549 INFO L70 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 852 states and 1596 transitions. cyclomatic complexity: 843 Second operand has 3 states, 3 states have (on average 4.0) internal successors, (in total 12), 3 states have internal predecessors, (12), 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 18:42:23,569 INFO L74 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 852 states and 1596 transitions. cyclomatic complexity: 843. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (in total 12), 3 states have internal predecessors, (12), 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 1058 states and 2014 transitions. Complement of second has 6 states. [2025-04-26 18:42:23,570 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 18:42:23,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.0) internal successors, (in total 12), 3 states have internal predecessors, (12), 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 18:42:23,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 87 transitions. [2025-04-26 18:42:23,570 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 4 states and 87 transitions. Stem has 10 letters. Loop has 2 letters. [2025-04-26 18:42:23,570 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 18:42:23,571 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 4 states and 87 transitions. Stem has 12 letters. Loop has 2 letters. [2025-04-26 18:42:23,571 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 18:42:23,571 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 4 states and 87 transitions. Stem has 10 letters. Loop has 4 letters. [2025-04-26 18:42:23,571 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 18:42:23,571 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1058 states and 2014 transitions. [2025-04-26 18:42:23,574 INFO L131 ngComponentsAnalysis]: Automaton has 9 accepting balls. 27 [2025-04-26 18:42:23,578 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1058 states to 915 states and 1721 transitions. [2025-04-26 18:42:23,578 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 145 [2025-04-26 18:42:23,578 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 148 [2025-04-26 18:42:23,578 INFO L74 IsDeterministic]: Start isDeterministic. Operand 915 states and 1721 transitions. [2025-04-26 18:42:23,578 INFO L81 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-04-26 18:42:23,578 INFO L218 hiAutomatonCegarLoop]: Abstraction has 915 states and 1721 transitions. [2025-04-26 18:42:23,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 915 states and 1721 transitions. [2025-04-26 18:42:23,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 915 to 906. [2025-04-26 18:42:23,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 906 states, 906 states have (on average 1.8741721854304636) internal successors, (in total 1698), 905 states have internal predecessors, (1698), 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 18:42:23,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 906 states and 1698 transitions. [2025-04-26 18:42:23,590 INFO L240 hiAutomatonCegarLoop]: Abstraction has 906 states and 1698 transitions. [2025-04-26 18:42:23,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-26 18:42:23,590 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-26 18:42:23,591 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-26 18:42:23,591 INFO L87 Difference]: Start difference. First operand 906 states and 1698 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (in total 10), 3 states have internal predecessors, (10), 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 18:42:23,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-26 18:42:23,604 INFO L93 Difference]: Finished difference Result 1109 states and 1942 transitions. [2025-04-26 18:42:23,604 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1109 states and 1942 transitions. [2025-04-26 18:42:23,608 INFO L131 ngComponentsAnalysis]: Automaton has 9 accepting balls. 27 [2025-04-26 18:42:23,612 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1109 states to 1092 states and 1917 transitions. [2025-04-26 18:42:23,612 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 146 [2025-04-26 18:42:23,612 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 146 [2025-04-26 18:42:23,612 INFO L74 IsDeterministic]: Start isDeterministic. Operand 1092 states and 1917 transitions. [2025-04-26 18:42:23,612 INFO L81 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-04-26 18:42:23,612 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1092 states and 1917 transitions. [2025-04-26 18:42:23,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1092 states and 1917 transitions. [2025-04-26 18:42:23,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1092 to 937. [2025-04-26 18:42:23,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 937 states, 937 states have (on average 1.8175026680896478) internal successors, (in total 1703), 936 states have internal predecessors, (1703), 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 18:42:23,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 937 states to 937 states and 1703 transitions. [2025-04-26 18:42:23,624 INFO L240 hiAutomatonCegarLoop]: Abstraction has 937 states and 1703 transitions. [2025-04-26 18:42:23,624 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-26 18:42:23,625 INFO L438 stractBuchiCegarLoop]: Abstraction has 937 states and 1703 transitions. [2025-04-26 18:42:23,625 INFO L340 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2025-04-26 18:42:23,625 INFO L73 BuchiIsEmpty]: Start buchiIsEmpty. Operand 937 states and 1703 transitions. [2025-04-26 18:42:23,627 INFO L131 ngComponentsAnalysis]: Automaton has 9 accepting balls. 27 [2025-04-26 18:42:23,627 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-04-26 18:42:23,627 INFO L120 BuchiIsEmpty]: Starting construction of run [2025-04-26 18:42:23,627 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-26 18:42:23,627 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-04-26 18:42:23,627 INFO L752 eck$LassoCheckResult]: Stem: "[128] $Ultimate##0-->L26: Formula: (<= 0 v_b_6) InVars {b=v_b_6} OutVars{b=v_b_6} AuxVars[] AssignedVars[]" "[116] L26-->L20-1: Formula: (= (+ v_t_6 1) 0) InVars {} OutVars{t=v_t_6} AuxVars[] AssignedVars[t]" "[111] L20-1-->L29: Formula: (and (< 0 v_b1_4) (= v_q2_3 0) (< v_b2_4 v_a2_1) (= v_a2_1 v_r2_5) (= v_q1_3 0) (< 0 v_b2_4) (= v_a1_1 v_r1_5) (< v_b1_4 v_a1_1)) InVars {a1=v_a1_1, r2=v_r2_5, b2=v_b2_4, q1=v_q1_3, a2=v_a2_1, q2=v_q2_3, r1=v_r1_5, b1=v_b1_4} OutVars{a1=v_a1_1, r2=v_r2_5, b2=v_b2_4, q1=v_q1_3, a2=v_a2_1, q2=v_q2_3, r1=v_r1_5, b1=v_b1_4} AuxVars[] AssignedVars[]" "[166] L29-->L38: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0]" "[130] L38-->L53-1: Formula: (<= 0 v_x1_4) InVars {x1=v_x1_4} OutVars{x1=v_x1_4} AuxVars[] AssignedVars[]" "[132] L53-1-->L57-1: Formula: (<= 0 v_y1_4) InVars {y1=v_y1_4} OutVars{y1=v_y1_4} AuxVars[] AssignedVars[]" "[137] L57-1-->L59: Formula: (<= v_b1_3 v_r1_4) InVars {r1=v_r1_4, b1=v_b1_3} OutVars{r1=v_r1_4, b1=v_b1_3} AuxVars[] AssignedVars[]" "[143] L59-->L60: Formula: (= (+ v_q1_2 1) v_q1_1) InVars {q1=v_q1_2} OutVars{q1=v_q1_1} AuxVars[] AssignedVars[q1]" "[169] L29-1-->L67: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1]" "[146] L60-->L57-1: Formula: (= v_r1_2 (+ v_b1_1 v_r1_1)) InVars {r1=v_r1_2, b1=v_b1_1} OutVars{r1=v_r1_1, b1=v_b1_1} AuxVars[] AssignedVars[r1]" "[136] L57-1-->thread1FINAL: Formula: (< v_r1_3 v_b1_2) InVars {r1=v_r1_3, b1=v_b1_2} OutVars{r1=v_r1_3, b1=v_b1_2} AuxVars[] AssignedVars[]" "[148] L67-->L71-2: Formula: (< v_x2_1 0) InVars {x2=v_x2_1} OutVars{x2=v_x2_1} AuxVars[] AssignedVars[]" [2025-04-26 18:42:23,627 INFO L754 eck$LassoCheckResult]: Loop: "[152] L71-2-->L71: Formula: (< v_z_7 0) InVars {z=v_z_7} OutVars{z=v_z_7} AuxVars[] AssignedVars[]" "[158] L71-->L77: Formula: (<= 0 v_b_4) InVars {b=v_b_4} OutVars{b=v_b_4} AuxVars[] AssignedVars[]" "[162] L77-->L71-2: Formula: (= v_z_11 (+ v_z_10 v_t_4)) InVars {t=v_t_4, z=v_z_11} OutVars{t=v_t_4, z=v_z_10} AuxVars[] AssignedVars[z]" [2025-04-26 18:42:23,627 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 18:42:23,628 INFO L85 PathProgramCache]: Analyzing trace with hash 1211377993, now seen corresponding path program 1 times [2025-04-26 18:42:23,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 18:42:23,628 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940637698] [2025-04-26 18:42:23,628 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 18:42:23,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 18:42:23,629 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-04-26 18:42:23,631 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-04-26 18:42:23,631 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:42:23,631 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:42:23,631 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 18:42:23,632 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-04-26 18:42:23,633 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-04-26 18:42:23,633 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:42:23,633 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:42:23,634 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 18:42:23,636 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 18:42:23,636 INFO L85 PathProgramCache]: Analyzing trace with hash 180923, now seen corresponding path program 1 times [2025-04-26 18:42:23,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 18:42:23,636 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965808867] [2025-04-26 18:42:23,636 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 18:42:23,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 18:42:23,637 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-26 18:42:23,638 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 18:42:23,638 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:42:23,638 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:42:23,638 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 18:42:23,638 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-26 18:42:23,638 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 18:42:23,638 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:42:23,638 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:42:23,639 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 18:42:23,639 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 18:42:23,639 INFO L85 PathProgramCache]: Analyzing trace with hash 1846719603, now seen corresponding path program 1 times [2025-04-26 18:42:23,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 18:42:23,639 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048947804] [2025-04-26 18:42:23,639 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 18:42:23,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 18:42:23,642 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-04-26 18:42:23,646 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-04-26 18:42:23,646 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:42:23,646 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:42:23,646 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 18:42:23,647 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-04-26 18:42:23,648 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-04-26 18:42:23,648 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:42:23,648 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:42:23,649 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 18:42:23,788 INFO L206 LassoAnalysis]: Preferences: [2025-04-26 18:42:23,789 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-04-26 18:42:23,789 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-04-26 18:42:23,789 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-04-26 18:42:23,789 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-04-26 18:42:23,789 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:23,789 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-04-26 18:42:23,789 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-04-26 18:42:23,789 INFO L132 ssoRankerPreferences]: Filename of dumped script: multi.c.bpl_petrified1_Iteration10_Lasso [2025-04-26 18:42:23,789 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-04-26 18:42:23,789 INFO L243 LassoAnalysis]: Starting lasso preprocessing... [2025-04-26 18:42:23,790 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:23,793 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:23,796 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:23,797 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:23,802 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:23,807 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:23,808 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:23,812 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:23,814 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:23,815 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:23,821 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:23,823 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:23,903 INFO L261 LassoAnalysis]: Preprocessing complete. [2025-04-26 18:42:23,903 INFO L367 LassoAnalysis]: Checking for nontermination... [2025-04-26 18:42:23,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:23,903 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:23,905 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 18:42:23,905 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 18:42:23,907 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 18:42:23,907 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 18:42:23,918 INFO L400 LassoAnalysis]: Proved nontermination for one component. [2025-04-26 18:42:23,918 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 18:42:23,923 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2025-04-26 18:42:23,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:23,924 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:23,925 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 18:42:23,926 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 18:42:23,927 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 18:42:23,927 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 18:42:23,944 INFO L400 LassoAnalysis]: Proved nontermination for one component. [2025-04-26 18:42:23,944 INFO L403 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {b=0} Honda state: {b=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-04-26 18:42:23,949 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 18:42:23,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:23,950 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:23,951 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 18:42:23,952 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 18:42:23,953 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 18:42:23,953 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 18:42:23,969 INFO L400 LassoAnalysis]: Proved nontermination for one component. [2025-04-26 18:42:23,969 INFO L403 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {q2=0} Honda state: {q2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-04-26 18:42:23,975 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2025-04-26 18:42:23,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:23,975 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:23,977 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 18:42:23,977 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 18:42:23,978 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 18:42:23,978 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 18:42:23,997 INFO L400 LassoAnalysis]: Proved nontermination for one component. [2025-04-26 18:42:23,997 INFO L403 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {r2=6, a2=6, b2=4} Honda state: {r2=6, a2=6, b2=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-04-26 18:42:24,002 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 18:42:24,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:24,003 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:24,004 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 18:42:24,005 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 18:42:24,006 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 18:42:24,006 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 18:42:24,022 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 18:42:24,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:24,022 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:24,024 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 18:42:24,025 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 18:42:24,025 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-04-26 18:42:24,025 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 18:42:24,060 INFO L407 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-04-26 18:42:24,064 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2025-04-26 18:42:24,064 INFO L206 LassoAnalysis]: Preferences: [2025-04-26 18:42:24,064 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-04-26 18:42:24,064 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-04-26 18:42:24,064 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-04-26 18:42:24,064 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-04-26 18:42:24,064 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:24,064 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-04-26 18:42:24,064 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-04-26 18:42:24,064 INFO L132 ssoRankerPreferences]: Filename of dumped script: multi.c.bpl_petrified1_Iteration10_Lasso [2025-04-26 18:42:24,064 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-04-26 18:42:24,065 INFO L243 LassoAnalysis]: Starting lasso preprocessing... [2025-04-26 18:42:24,065 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:24,068 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:24,070 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:24,072 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:24,076 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:24,080 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:24,081 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:24,084 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:24,087 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:24,089 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:24,096 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:24,097 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:24,166 INFO L261 LassoAnalysis]: Preprocessing complete. [2025-04-26 18:42:24,166 INFO L453 LassoAnalysis]: Using template 'affine'. [2025-04-26 18:42:24,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:24,166 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:24,168 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 18:42:24,169 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 18:42:24,170 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 18:42:24,180 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 18:42:24,180 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 18:42:24,180 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 18:42:24,180 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 18:42:24,181 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 18:42:24,181 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 18:42:24,183 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 18:42:24,189 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 18:42:24,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:24,189 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:24,191 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 18:42:24,191 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 18:42:24,192 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 18:42:24,202 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 18:42:24,202 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 18:42:24,202 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 18:42:24,202 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 18:42:24,204 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 18:42:24,204 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 18:42:24,209 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 18:42:24,215 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Ended with exit code 0 [2025-04-26 18:42:24,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:24,215 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:24,218 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 18:42:24,218 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 18:42:24,219 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 18:42:24,229 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 18:42:24,229 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 18:42:24,229 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 18:42:24,229 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 18:42:24,230 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 18:42:24,230 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 18:42:24,232 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 18:42:24,238 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Forceful destruction successful, exit code 0 [2025-04-26 18:42:24,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:24,239 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:24,240 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 18:42:24,242 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 18:42:24,243 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 18:42:24,253 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 18:42:24,253 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 18:42:24,253 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 18:42:24,253 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 18:42:24,254 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 18:42:24,254 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 18:42:24,259 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-04-26 18:42:24,263 INFO L436 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2025-04-26 18:42:24,263 INFO L437 ModelExtractionUtils]: 3 out of 10 variables were initially zero. Simplification set additionally 3 variables to zero. [2025-04-26 18:42:24,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:24,263 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:24,265 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 18:42:24,266 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 18:42:24,267 INFO L436 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-04-26 18:42:24,284 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Forceful destruction successful, exit code 0 [2025-04-26 18:42:24,284 INFO L439 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2025-04-26 18:42:24,285 INFO L476 LassoAnalysis]: Proved termination. [2025-04-26 18:42:24,285 INFO L478 LassoAnalysis]: Termination argument consisting of: Ranking function f(z) = -1*z Supporting invariants [-1*t - 1 >= 0] [2025-04-26 18:42:24,291 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 18:42:24,293 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2025-04-26 18:42:24,308 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 18:42:24,312 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-04-26 18:42:24,315 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-04-26 18:42:24,315 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:42:24,315 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 18:42:24,315 INFO L256 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-04-26 18:42:24,315 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 18:42:24,378 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-26 18:42:24,379 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 18:42:24,379 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:42:24,379 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 18:42:24,379 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-04-26 18:42:24,379 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 18:42:24,396 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 18:42:24,397 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 18:42:24,397 INFO L70 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 937 states and 1703 transitions. cyclomatic complexity: 872 Second operand has 4 states, 4 states have (on average 3.75) internal successors, (in total 15), 4 states have internal predecessors, (15), 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 18:42:24,459 INFO L74 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 937 states and 1703 transitions. cyclomatic complexity: 872. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (in total 15), 4 states have internal predecessors, (15), 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 2306 states and 4193 transitions. Complement of second has 9 states. [2025-04-26 18:42:24,459 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 18:42:24,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.75) internal successors, (in total 15), 4 states have internal predecessors, (15), 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 18:42:24,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 115 transitions. [2025-04-26 18:42:24,460 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 6 states and 115 transitions. Stem has 12 letters. Loop has 3 letters. [2025-04-26 18:42:24,460 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 18:42:24,460 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 6 states and 115 transitions. Stem has 15 letters. Loop has 3 letters. [2025-04-26 18:42:24,460 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 18:42:24,460 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 6 states and 115 transitions. Stem has 12 letters. Loop has 6 letters. [2025-04-26 18:42:24,460 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 18:42:24,460 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2306 states and 4193 transitions. [2025-04-26 18:42:24,469 INFO L131 ngComponentsAnalysis]: Automaton has 15 accepting balls. 45 [2025-04-26 18:42:24,477 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2306 states to 1679 states and 3011 transitions. [2025-04-26 18:42:24,477 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 282 [2025-04-26 18:42:24,477 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 284 [2025-04-26 18:42:24,477 INFO L74 IsDeterministic]: Start isDeterministic. Operand 1679 states and 3011 transitions. [2025-04-26 18:42:24,478 INFO L81 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-04-26 18:42:24,478 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1679 states and 3011 transitions. [2025-04-26 18:42:24,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1679 states and 3011 transitions. [2025-04-26 18:42:24,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1679 to 876. [2025-04-26 18:42:24,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 876 states, 876 states have (on average 1.8287671232876712) internal successors, (in total 1602), 875 states have internal predecessors, (1602), 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 18:42:24,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 876 states and 1602 transitions. [2025-04-26 18:42:24,510 INFO L240 hiAutomatonCegarLoop]: Abstraction has 876 states and 1602 transitions. [2025-04-26 18:42:24,511 INFO L438 stractBuchiCegarLoop]: Abstraction has 876 states and 1602 transitions. [2025-04-26 18:42:24,511 INFO L340 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2025-04-26 18:42:24,511 INFO L73 BuchiIsEmpty]: Start buchiIsEmpty. Operand 876 states and 1602 transitions. [2025-04-26 18:42:24,512 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 18 [2025-04-26 18:42:24,512 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-04-26 18:42:24,512 INFO L120 BuchiIsEmpty]: Starting construction of run [2025-04-26 18:42:24,513 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-26 18:42:24,513 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-04-26 18:42:24,513 INFO L752 eck$LassoCheckResult]: Stem: "[127] $Ultimate##0-->L22: Formula: (< v_b_5 0) InVars {b=v_b_5} OutVars{b=v_b_5} AuxVars[] AssignedVars[]" "[108] L22-->L20-1: Formula: (= v_t_5 1) InVars {} OutVars{t=v_t_5} AuxVars[] AssignedVars[t]" "[111] L20-1-->L29: Formula: (and (< 0 v_b1_4) (= v_q2_3 0) (< v_b2_4 v_a2_1) (= v_a2_1 v_r2_5) (= v_q1_3 0) (< 0 v_b2_4) (= v_a1_1 v_r1_5) (< v_b1_4 v_a1_1)) InVars {a1=v_a1_1, r2=v_r2_5, b2=v_b2_4, q1=v_q1_3, a2=v_a2_1, q2=v_q2_3, r1=v_r1_5, b1=v_b1_4} OutVars{a1=v_a1_1, r2=v_r2_5, b2=v_b2_4, q1=v_q1_3, a2=v_a2_1, q2=v_q2_3, r1=v_r1_5, b1=v_b1_4} AuxVars[] AssignedVars[]" "[166] L29-->L38: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0]" "[130] L38-->L53-1: Formula: (<= 0 v_x1_4) InVars {x1=v_x1_4} OutVars{x1=v_x1_4} AuxVars[] AssignedVars[]" "[132] L53-1-->L57-1: Formula: (<= 0 v_y1_4) InVars {y1=v_y1_4} OutVars{y1=v_y1_4} AuxVars[] AssignedVars[]" "[137] L57-1-->L59: Formula: (<= v_b1_3 v_r1_4) InVars {r1=v_r1_4, b1=v_b1_3} OutVars{r1=v_r1_4, b1=v_b1_3} AuxVars[] AssignedVars[]" "[143] L59-->L60: Formula: (= (+ v_q1_2 1) v_q1_1) InVars {q1=v_q1_2} OutVars{q1=v_q1_1} AuxVars[] AssignedVars[q1]" "[169] L29-1-->L67: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1]" "[146] L60-->L57-1: Formula: (= v_r1_2 (+ v_b1_1 v_r1_1)) InVars {r1=v_r1_2, b1=v_b1_1} OutVars{r1=v_r1_1, b1=v_b1_1} AuxVars[] AssignedVars[r1]" "[136] L57-1-->thread1FINAL: Formula: (< v_r1_3 v_b1_2) InVars {r1=v_r1_3, b1=v_b1_2} OutVars{r1=v_r1_3, b1=v_b1_2} AuxVars[] AssignedVars[]" "[148] L67-->L71-2: Formula: (< v_x2_1 0) InVars {x2=v_x2_1} OutVars{x2=v_x2_1} AuxVars[] AssignedVars[]" [2025-04-26 18:42:24,513 INFO L754 eck$LassoCheckResult]: Loop: "[152] L71-2-->L71: Formula: (< v_z_7 0) InVars {z=v_z_7} OutVars{z=v_z_7} AuxVars[] AssignedVars[]" "[157] L71-->L73: Formula: (< v_b_3 0) InVars {b=v_b_3} OutVars{b=v_b_3} AuxVars[] AssignedVars[]" "[161] L73-->L71-2: Formula: (= (+ v_z_9 v_t_3) v_z_8) InVars {t=v_t_3, z=v_z_9} OutVars{t=v_t_3, z=v_z_8} AuxVars[] AssignedVars[z]" [2025-04-26 18:42:24,513 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 18:42:24,513 INFO L85 PathProgramCache]: Analyzing trace with hash -1721963038, now seen corresponding path program 1 times [2025-04-26 18:42:24,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 18:42:24,513 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231066115] [2025-04-26 18:42:24,513 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 18:42:24,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 18:42:24,515 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-04-26 18:42:24,517 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-04-26 18:42:24,517 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:42:24,517 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:42:24,517 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 18:42:24,518 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-04-26 18:42:24,519 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-04-26 18:42:24,519 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:42:24,519 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:42:24,520 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 18:42:24,521 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 18:42:24,521 INFO L85 PathProgramCache]: Analyzing trace with hash 180891, now seen corresponding path program 1 times [2025-04-26 18:42:24,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 18:42:24,521 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414325810] [2025-04-26 18:42:24,521 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 18:42:24,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 18:42:24,522 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-26 18:42:24,523 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 18:42:24,523 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:42:24,523 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:42:24,523 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 18:42:24,523 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-26 18:42:24,524 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 18:42:24,524 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:42:24,524 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:42:24,524 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 18:42:24,524 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 18:42:24,525 INFO L85 PathProgramCache]: Analyzing trace with hash 88669466, now seen corresponding path program 1 times [2025-04-26 18:42:24,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 18:42:24,525 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406294164] [2025-04-26 18:42:24,525 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 18:42:24,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 18:42:24,526 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-04-26 18:42:24,528 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-04-26 18:42:24,528 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:42:24,528 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:42:24,528 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 18:42:24,529 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-04-26 18:42:24,530 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-04-26 18:42:24,530 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:42:24,530 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:42:24,531 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 18:42:24,697 INFO L206 LassoAnalysis]: Preferences: [2025-04-26 18:42:24,697 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-04-26 18:42:24,697 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-04-26 18:42:24,697 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-04-26 18:42:24,697 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-04-26 18:42:24,697 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:24,697 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-04-26 18:42:24,697 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-04-26 18:42:24,697 INFO L132 ssoRankerPreferences]: Filename of dumped script: multi.c.bpl_petrified1_Iteration11_Lasso [2025-04-26 18:42:24,697 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-04-26 18:42:24,697 INFO L243 LassoAnalysis]: Starting lasso preprocessing... [2025-04-26 18:42:24,698 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:24,701 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:24,707 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:24,709 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:24,712 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:24,717 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:24,719 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:24,721 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:24,724 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:24,729 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:24,732 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:24,734 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:24,823 INFO L261 LassoAnalysis]: Preprocessing complete. [2025-04-26 18:42:24,824 INFO L367 LassoAnalysis]: Checking for nontermination... [2025-04-26 18:42:24,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:24,824 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:24,826 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 18:42:24,828 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 18:42:24,829 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 18:42:24,829 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 18:42:24,850 INFO L400 LassoAnalysis]: Proved nontermination for one component. [2025-04-26 18:42:24,850 INFO L403 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {q2=0} Honda state: {q2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-04-26 18:42:24,856 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 18:42:24,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:24,857 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:24,858 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 18:42:24,859 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 18:42:24,860 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 18:42:24,861 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 18:42:24,880 INFO L400 LassoAnalysis]: Proved nontermination for one component. [2025-04-26 18:42:24,880 INFO L403 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {b1=6, r1=7, a1=7} Honda state: {b1=6, r1=1, a1=7} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-04-26 18:42:24,886 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 18:42:24,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:24,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:24,888 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 18:42:24,888 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 18:42:24,889 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 18:42:24,889 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 18:42:24,900 INFO L400 LassoAnalysis]: Proved nontermination for one component. [2025-04-26 18:42:24,900 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 18:42:24,906 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Ended with exit code 0 [2025-04-26 18:42:24,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:24,906 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:24,908 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 18:42:24,908 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 18:42:24,909 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 18:42:24,909 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 18:42:24,926 INFO L400 LassoAnalysis]: Proved nontermination for one component. [2025-04-26 18:42:24,926 INFO L403 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {b=-1} Honda state: {b=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-04-26 18:42:24,931 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 18:42:24,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:24,932 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:24,933 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 18:42:24,934 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 18:42:24,935 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 18:42:24,935 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 18:42:24,953 INFO L400 LassoAnalysis]: Proved nontermination for one component. [2025-04-26 18:42:24,953 INFO L403 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {r2=6, b2=4, a2=6} Honda state: {r2=6, b2=4, a2=6} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-04-26 18:42:24,958 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Ended with exit code 0 [2025-04-26 18:42:24,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:24,959 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:24,960 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 18:42:24,961 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 18:42:24,962 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 18:42:24,962 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 18:42:24,972 INFO L400 LassoAnalysis]: Proved nontermination for one component. [2025-04-26 18:42:24,972 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 18:42:24,978 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 18:42:24,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:24,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:24,980 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 18:42:24,981 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 18:42:24,982 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 18:42:24,982 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 18:42:24,992 INFO L400 LassoAnalysis]: Proved nontermination for one component. [2025-04-26 18:42:24,992 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 18:42:24,997 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 18:42:24,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:24,997 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:24,999 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 18:42:24,999 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 18:42:25,000 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 18:42:25,000 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 18:42:25,011 INFO L400 LassoAnalysis]: Proved nontermination for one component. [2025-04-26 18:42:25,011 INFO L403 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {q1=0} Honda state: {q1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-04-26 18:42:25,016 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Ended with exit code 0 [2025-04-26 18:42:25,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:25,017 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:25,018 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 18:42:25,019 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 18:42:25,020 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 18:42:25,020 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 18:42:25,036 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 18:42:25,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:25,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:25,037 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 18:42:25,038 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 18:42:25,039 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-04-26 18:42:25,039 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 18:42:25,086 INFO L407 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-04-26 18:42:25,090 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Ended with exit code 0 [2025-04-26 18:42:25,090 INFO L206 LassoAnalysis]: Preferences: [2025-04-26 18:42:25,090 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-04-26 18:42:25,090 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-04-26 18:42:25,090 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-04-26 18:42:25,090 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-04-26 18:42:25,090 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:25,090 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-04-26 18:42:25,090 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-04-26 18:42:25,090 INFO L132 ssoRankerPreferences]: Filename of dumped script: multi.c.bpl_petrified1_Iteration11_Lasso [2025-04-26 18:42:25,090 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-04-26 18:42:25,090 INFO L243 LassoAnalysis]: Starting lasso preprocessing... [2025-04-26 18:42:25,091 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:25,093 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:25,098 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:25,100 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:25,101 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:25,103 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:25,108 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:25,113 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:25,121 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:25,123 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:25,125 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:25,127 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:25,211 INFO L261 LassoAnalysis]: Preprocessing complete. [2025-04-26 18:42:25,211 INFO L453 LassoAnalysis]: Using template 'affine'. [2025-04-26 18:42:25,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:25,211 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:25,213 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 18:42:25,214 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 18:42:25,215 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 18:42:25,224 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 18:42:25,225 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 18:42:25,225 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 18:42:25,225 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 18:42:25,226 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 18:42:25,226 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 18:42:25,228 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 18:42:25,234 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Ended with exit code 0 [2025-04-26 18:42:25,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:25,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:25,236 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 18:42:25,236 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 18:42:25,238 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 18:42:25,247 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 18:42:25,247 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 18:42:25,247 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 18:42:25,247 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 18:42:25,249 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 18:42:25,249 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 18:42:25,252 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 18:42:25,258 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Ended with exit code 0 [2025-04-26 18:42:25,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:25,258 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:25,260 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 18:42:25,261 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 18:42:25,262 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-04-26 18:42:25,272 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 18:42:25,272 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 18:42:25,272 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 18:42:25,272 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 18:42:25,273 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 18:42:25,273 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 18:42:25,276 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 18:42:25,281 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Ended with exit code 0 [2025-04-26 18:42:25,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:25,282 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:25,283 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 18:42:25,284 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 18:42:25,285 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 18:42:25,294 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 18:42:25,294 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 18:42:25,294 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 18:42:25,294 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 18:42:25,295 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 18:42:25,295 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 18:42:25,298 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 18:42:25,304 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 18:42:25,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:25,305 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:25,306 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 18:42:25,307 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 18:42:25,309 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-04-26 18:42:25,319 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 18:42:25,319 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 18:42:25,319 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 18:42:25,319 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 18:42:25,320 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 18:42:25,320 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 18:42:25,323 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 18:42:25,328 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Forceful destruction successful, exit code 0 [2025-04-26 18:42:25,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:25,329 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:25,331 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 18:42:25,332 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 18:42:25,333 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 18:42:25,342 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 18:42:25,342 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 18:42:25,342 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 18:42:25,342 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 18:42:25,344 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 18:42:25,344 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 18:42:25,347 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 18:42:25,353 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Forceful destruction successful, exit code 0 [2025-04-26 18:42:25,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:25,353 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:25,355 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 18:42:25,355 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 18:42:25,356 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 18:42:25,366 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 18:42:25,366 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 18:42:25,366 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 18:42:25,366 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 18:42:25,368 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 18:42:25,368 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 18:42:25,371 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-04-26 18:42:25,374 INFO L436 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2025-04-26 18:42:25,374 INFO L437 ModelExtractionUtils]: 5 out of 10 variables were initially zero. Simplification set additionally 1 variables to zero. [2025-04-26 18:42:25,375 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:25,375 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:25,376 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 18:42:25,377 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 18:42:25,378 INFO L436 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-04-26 18:42:25,393 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Ended with exit code 0 [2025-04-26 18:42:25,393 INFO L439 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2025-04-26 18:42:25,393 INFO L476 LassoAnalysis]: Proved termination. [2025-04-26 18:42:25,393 INFO L478 LassoAnalysis]: Termination argument consisting of: Ranking function f(z) = -1*z Supporting invariants [1*t - 1 >= 0] [2025-04-26 18:42:25,399 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 18:42:25,401 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2025-04-26 18:42:25,413 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 18:42:25,418 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-04-26 18:42:25,420 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-04-26 18:42:25,420 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:42:25,420 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 18:42:25,420 INFO L256 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-04-26 18:42:25,421 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 18:42:25,479 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-26 18:42:25,481 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 18:42:25,481 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:42:25,481 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 18:42:25,482 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-04-26 18:42:25,482 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 18:42:25,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-26 18:42:25,498 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 18:42:25,498 INFO L70 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 876 states and 1602 transitions. cyclomatic complexity: 825 Second operand has 4 states, 4 states have (on average 3.75) internal successors, (in total 15), 4 states have internal predecessors, (15), 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 18:42:25,569 INFO L74 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 876 states and 1602 transitions. cyclomatic complexity: 825. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (in total 15), 4 states have internal predecessors, (15), 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 2212 states and 4039 transitions. Complement of second has 9 states. [2025-04-26 18:42:25,569 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 18:42:25,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.75) internal successors, (in total 15), 4 states have internal predecessors, (15), 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 18:42:25,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 115 transitions. [2025-04-26 18:42:25,570 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 6 states and 115 transitions. Stem has 12 letters. Loop has 3 letters. [2025-04-26 18:42:25,570 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 18:42:25,570 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 6 states and 115 transitions. Stem has 15 letters. Loop has 3 letters. [2025-04-26 18:42:25,570 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 18:42:25,570 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 6 states and 115 transitions. Stem has 12 letters. Loop has 6 letters. [2025-04-26 18:42:25,571 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 18:42:25,571 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2212 states and 4039 transitions. [2025-04-26 18:42:25,581 INFO L131 ngComponentsAnalysis]: Automaton has 12 accepting balls. 36 [2025-04-26 18:42:25,589 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2212 states to 1584 states and 2855 transitions. [2025-04-26 18:42:25,590 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 260 [2025-04-26 18:42:25,590 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 260 [2025-04-26 18:42:25,590 INFO L74 IsDeterministic]: Start isDeterministic. Operand 1584 states and 2855 transitions. [2025-04-26 18:42:25,590 INFO L81 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-04-26 18:42:25,590 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1584 states and 2855 transitions. [2025-04-26 18:42:25,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1584 states and 2855 transitions. [2025-04-26 18:42:25,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1584 to 807. [2025-04-26 18:42:25,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 807 states, 807 states have (on average 1.835192069392813) internal successors, (in total 1481), 806 states have internal predecessors, (1481), 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 18:42:25,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 807 states and 1481 transitions. [2025-04-26 18:42:25,608 INFO L240 hiAutomatonCegarLoop]: Abstraction has 807 states and 1481 transitions. [2025-04-26 18:42:25,608 INFO L438 stractBuchiCegarLoop]: Abstraction has 807 states and 1481 transitions. [2025-04-26 18:42:25,608 INFO L340 stractBuchiCegarLoop]: ======== Iteration 12 ============ [2025-04-26 18:42:25,608 INFO L73 BuchiIsEmpty]: Start buchiIsEmpty. Operand 807 states and 1481 transitions. [2025-04-26 18:42:25,610 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2025-04-26 18:42:25,611 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-04-26 18:42:25,611 INFO L120 BuchiIsEmpty]: Starting construction of run [2025-04-26 18:42:25,611 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-26 18:42:25,611 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-04-26 18:42:25,611 INFO L752 eck$LassoCheckResult]: Stem: "[128] $Ultimate##0-->L26: Formula: (<= 0 v_b_6) InVars {b=v_b_6} OutVars{b=v_b_6} AuxVars[] AssignedVars[]" "[116] L26-->L20-1: Formula: (= (+ v_t_6 1) 0) InVars {} OutVars{t=v_t_6} AuxVars[] AssignedVars[t]" "[111] L20-1-->L29: Formula: (and (< 0 v_b1_4) (= v_q2_3 0) (< v_b2_4 v_a2_1) (= v_a2_1 v_r2_5) (= v_q1_3 0) (< 0 v_b2_4) (= v_a1_1 v_r1_5) (< v_b1_4 v_a1_1)) InVars {a1=v_a1_1, r2=v_r2_5, b2=v_b2_4, q1=v_q1_3, a2=v_a2_1, q2=v_q2_3, r1=v_r1_5, b1=v_b1_4} OutVars{a1=v_a1_1, r2=v_r2_5, b2=v_b2_4, q1=v_q1_3, a2=v_a2_1, q2=v_q2_3, r1=v_r1_5, b1=v_b1_4} AuxVars[] AssignedVars[]" "[166] L29-->L38: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0]" "[130] L38-->L53-1: Formula: (<= 0 v_x1_4) InVars {x1=v_x1_4} OutVars{x1=v_x1_4} AuxVars[] AssignedVars[]" "[132] L53-1-->L57-1: Formula: (<= 0 v_y1_4) InVars {y1=v_y1_4} OutVars{y1=v_y1_4} AuxVars[] AssignedVars[]" "[137] L57-1-->L59: Formula: (<= v_b1_3 v_r1_4) InVars {r1=v_r1_4, b1=v_b1_3} OutVars{r1=v_r1_4, b1=v_b1_3} AuxVars[] AssignedVars[]" "[143] L59-->L60: Formula: (= (+ v_q1_2 1) v_q1_1) InVars {q1=v_q1_2} OutVars{q1=v_q1_1} AuxVars[] AssignedVars[q1]" "[169] L29-1-->L67: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1]" "[146] L60-->L57-1: Formula: (= v_r1_2 (+ v_b1_1 v_r1_1)) InVars {r1=v_r1_2, b1=v_b1_1} OutVars{r1=v_r1_1, b1=v_b1_1} AuxVars[] AssignedVars[r1]" "[136] L57-1-->thread1FINAL: Formula: (< v_r1_3 v_b1_2) InVars {r1=v_r1_3, b1=v_b1_2} OutVars{r1=v_r1_3, b1=v_b1_2} AuxVars[] AssignedVars[]" "[147] L67-->L82-1: Formula: (<= 0 v_x2_4) InVars {x2=v_x2_4} OutVars{x2=v_x2_4} AuxVars[] AssignedVars[]" "[149] L82-1-->L86-1: Formula: (<= 0 v_y2_4) InVars {y2=v_y2_4} OutVars{y2=v_y2_4} AuxVars[] AssignedVars[]" [2025-04-26 18:42:25,611 INFO L754 eck$LassoCheckResult]: Loop: "[154] L86-1-->L88: Formula: (<= v_b2_1 v_r2_1) InVars {r2=v_r2_1, b2=v_b2_1} OutVars{r2=v_r2_1, b2=v_b2_1} AuxVars[] AssignedVars[]" "[160] L88-->L89: Formula: (= v_q2_1 (+ v_q2_2 1)) InVars {q2=v_q2_2} OutVars{q2=v_q2_1} AuxVars[] AssignedVars[q2]" "[163] L89-->L86-1: Formula: (= v_r2_3 (+ v_b2_2 v_r2_2)) InVars {r2=v_r2_3, b2=v_b2_2} OutVars{r2=v_r2_2, b2=v_b2_2} AuxVars[] AssignedVars[r2]" [2025-04-26 18:42:25,612 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 18:42:25,612 INFO L85 PathProgramCache]: Analyzing trace with hash -1101987763, now seen corresponding path program 1 times [2025-04-26 18:42:25,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 18:42:25,612 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4496094] [2025-04-26 18:42:25,612 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 18:42:25,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 18:42:25,614 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-04-26 18:42:25,615 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-04-26 18:42:25,615 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:42:25,615 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:42:25,616 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 18:42:25,616 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-04-26 18:42:25,618 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-04-26 18:42:25,618 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:42:25,618 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:42:25,619 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 18:42:25,619 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 18:42:25,619 INFO L85 PathProgramCache]: Analyzing trace with hash 182908, now seen corresponding path program 1 times [2025-04-26 18:42:25,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 18:42:25,619 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374693434] [2025-04-26 18:42:25,619 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 18:42:25,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 18:42:25,621 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-26 18:42:25,621 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 18:42:25,621 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:42:25,621 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:42:25,621 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 18:42:25,622 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-26 18:42:25,622 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 18:42:25,622 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:42:25,622 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:42:25,623 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 18:42:25,623 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 18:42:25,623 INFO L85 PathProgramCache]: Analyzing trace with hash 1412716208, now seen corresponding path program 1 times [2025-04-26 18:42:25,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-26 18:42:25,623 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695884345] [2025-04-26 18:42:25,623 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-26 18:42:25,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-26 18:42:25,625 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-04-26 18:42:25,627 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-04-26 18:42:25,627 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:42:25,627 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:42:25,627 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-04-26 18:42:25,628 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-04-26 18:42:25,630 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-04-26 18:42:25,630 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:42:25,630 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-26 18:42:25,631 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-04-26 18:42:25,646 INFO L206 LassoAnalysis]: Preferences: [2025-04-26 18:42:25,646 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-04-26 18:42:25,646 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-04-26 18:42:25,646 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-04-26 18:42:25,646 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-04-26 18:42:25,646 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:25,646 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-04-26 18:42:25,646 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-04-26 18:42:25,646 INFO L132 ssoRankerPreferences]: Filename of dumped script: multi.c.bpl_petrified1_Iteration12_Loop [2025-04-26 18:42:25,646 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-04-26 18:42:25,646 INFO L243 LassoAnalysis]: Starting lasso preprocessing... [2025-04-26 18:42:25,647 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:25,651 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:25,668 INFO L261 LassoAnalysis]: Preprocessing complete. [2025-04-26 18:42:25,668 INFO L367 LassoAnalysis]: Checking for nontermination... [2025-04-26 18:42:25,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:25,669 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:25,670 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 18:42:25,671 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 18:42:25,672 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 18:42:25,672 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 18:42:25,688 INFO L400 LassoAnalysis]: Proved nontermination for one component. [2025-04-26 18:42:25,689 INFO L403 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {b2=0, r2=0} Honda state: {b2=0, r2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-04-26 18:42:25,694 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 18:42:25,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:25,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:25,696 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 18:42:25,696 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 18:42:25,697 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 18:42:25,697 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 18:42:25,713 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Forceful destruction successful, exit code 0 [2025-04-26 18:42:25,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:25,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:25,715 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 18:42:25,716 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 18:42:25,717 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-04-26 18:42:25,717 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 18:42:25,740 INFO L400 LassoAnalysis]: Proved nontermination for one component. [2025-04-26 18:42:25,740 INFO L403 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {q2=0} Honda state: {q2=0} Generalized eigenvectors: [{q2=-1}, {q2=7}, {q2=-5}] Lambdas: [8, 1, 1] Nus: [1, 0] [2025-04-26 18:42:25,746 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 18:42:25,870 INFO L206 LassoAnalysis]: Preferences: [2025-04-26 18:42:25,870 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-04-26 18:42:25,870 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-04-26 18:42:25,870 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-04-26 18:42:25,870 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-04-26 18:42:25,870 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:25,870 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-04-26 18:42:25,870 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-04-26 18:42:25,870 INFO L132 ssoRankerPreferences]: Filename of dumped script: multi.c.bpl_petrified1_Iteration12_Lasso [2025-04-26 18:42:25,870 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-04-26 18:42:25,870 INFO L243 LassoAnalysis]: Starting lasso preprocessing... [2025-04-26 18:42:25,872 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:25,874 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:25,880 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:25,883 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:25,885 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:25,887 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:25,889 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:25,898 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:25,901 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:25,903 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:25,906 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:25,908 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:25,911 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:25,995 INFO L261 LassoAnalysis]: Preprocessing complete. [2025-04-26 18:42:25,996 INFO L367 LassoAnalysis]: Checking for nontermination... [2025-04-26 18:42:25,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:25,996 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:25,997 INFO L229 MonitoredProcess]: Starting monitored process 96 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 18:42:25,998 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2025-04-26 18:42:25,999 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 18:42:25,999 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 18:42:26,015 INFO L400 LassoAnalysis]: Proved nontermination for one component. [2025-04-26 18:42:26,016 INFO L403 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {b=0} Honda state: {b=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-04-26 18:42:26,021 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Ended with exit code 0 [2025-04-26 18:42:26,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:26,021 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:26,024 INFO L229 MonitoredProcess]: Starting monitored process 97 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 18:42:26,024 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2025-04-26 18:42:26,026 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 18:42:26,026 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 18:42:26,045 INFO L400 LassoAnalysis]: Proved nontermination for one component. [2025-04-26 18:42:26,045 INFO L403 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {r1=7, b1=6, a1=7} Honda state: {r1=1, b1=6, a1=7} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-04-26 18:42:26,050 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Ended with exit code 0 [2025-04-26 18:42:26,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:26,051 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:26,052 INFO L229 MonitoredProcess]: Starting monitored process 98 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 18:42:26,053 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Waiting until timeout for monitored process [2025-04-26 18:42:26,054 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 18:42:26,054 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 18:42:26,070 INFO L400 LassoAnalysis]: Proved nontermination for one component. [2025-04-26 18:42:26,070 INFO L403 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {y1=0} Honda state: {y1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-04-26 18:42:26,075 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Ended with exit code 0 [2025-04-26 18:42:26,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:26,076 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:26,077 INFO L229 MonitoredProcess]: Starting monitored process 99 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 18:42:26,078 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2025-04-26 18:42:26,079 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 18:42:26,079 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 18:42:26,089 INFO L400 LassoAnalysis]: Proved nontermination for one component. [2025-04-26 18:42:26,089 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 18:42:26,094 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Ended with exit code 0 [2025-04-26 18:42:26,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:26,095 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:26,096 INFO L229 MonitoredProcess]: Starting monitored process 100 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 18:42:26,097 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Waiting until timeout for monitored process [2025-04-26 18:42:26,098 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 18:42:26,098 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 18:42:26,109 INFO L400 LassoAnalysis]: Proved nontermination for one component. [2025-04-26 18:42:26,109 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 18:42:26,114 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Ended with exit code 0 [2025-04-26 18:42:26,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:26,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:26,140 INFO L229 MonitoredProcess]: Starting monitored process 101 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 18:42:26,140 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Waiting until timeout for monitored process [2025-04-26 18:42:26,141 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 18:42:26,141 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 18:42:26,152 INFO L400 LassoAnalysis]: Proved nontermination for one component. [2025-04-26 18:42:26,152 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 18:42:26,157 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Ended with exit code 0 [2025-04-26 18:42:26,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:26,158 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:26,159 INFO L229 MonitoredProcess]: Starting monitored process 102 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 18:42:26,160 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Waiting until timeout for monitored process [2025-04-26 18:42:26,161 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-04-26 18:42:26,161 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 18:42:26,184 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Ended with exit code 0 [2025-04-26 18:42:26,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:26,184 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:26,186 INFO L229 MonitoredProcess]: Starting monitored process 103 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 18:42:26,187 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Waiting until timeout for monitored process [2025-04-26 18:42:26,188 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-04-26 18:42:26,188 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-04-26 18:42:26,283 INFO L407 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-04-26 18:42:26,288 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Ended with exit code 0 [2025-04-26 18:42:26,288 INFO L206 LassoAnalysis]: Preferences: [2025-04-26 18:42:26,288 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-04-26 18:42:26,288 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-04-26 18:42:26,288 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-04-26 18:42:26,288 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-04-26 18:42:26,288 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:26,288 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-04-26 18:42:26,288 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-04-26 18:42:26,288 INFO L132 ssoRankerPreferences]: Filename of dumped script: multi.c.bpl_petrified1_Iteration12_Lasso [2025-04-26 18:42:26,288 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-04-26 18:42:26,288 INFO L243 LassoAnalysis]: Starting lasso preprocessing... [2025-04-26 18:42:26,289 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:26,295 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:26,302 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:26,304 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:26,306 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:26,307 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:26,315 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:26,317 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:26,319 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:26,320 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:26,324 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:26,326 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:26,328 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-04-26 18:42:26,410 INFO L261 LassoAnalysis]: Preprocessing complete. [2025-04-26 18:42:26,410 INFO L453 LassoAnalysis]: Using template 'affine'. [2025-04-26 18:42:26,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:26,410 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:26,411 INFO L229 MonitoredProcess]: Starting monitored process 104 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 18:42:26,422 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Waiting until timeout for monitored process [2025-04-26 18:42:26,422 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 18:42:26,431 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 18:42:26,432 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 18:42:26,432 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 18:42:26,432 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 18:42:26,432 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 18:42:26,432 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 18:42:26,434 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 18:42:26,439 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Ended with exit code 0 [2025-04-26 18:42:26,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:26,439 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:26,441 INFO L229 MonitoredProcess]: Starting monitored process 105 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 18:42:26,441 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Waiting until timeout for monitored process [2025-04-26 18:42:26,442 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 18:42:26,452 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 18:42:26,452 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 18:42:26,452 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 18:42:26,452 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 18:42:26,454 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 18:42:26,454 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 18:42:26,457 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 18:42:26,462 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Ended with exit code 0 [2025-04-26 18:42:26,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:26,462 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:26,464 INFO L229 MonitoredProcess]: Starting monitored process 106 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 18:42:26,464 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Waiting until timeout for monitored process [2025-04-26 18:42:26,466 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 18:42:26,475 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 18:42:26,475 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 18:42:26,475 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 18:42:26,475 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 18:42:26,476 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 18:42:26,476 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 18:42:26,478 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 18:42:26,483 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Ended with exit code 0 [2025-04-26 18:42:26,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:26,484 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:26,485 INFO L229 MonitoredProcess]: Starting monitored process 107 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 18:42:26,486 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Waiting until timeout for monitored process [2025-04-26 18:42:26,487 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 18:42:26,496 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 18:42:26,496 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 18:42:26,496 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 18:42:26,496 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 18:42:26,497 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 18:42:26,497 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 18:42:26,499 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 18:42:26,505 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Forceful destruction successful, exit code 0 [2025-04-26 18:42:26,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:26,505 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:26,507 INFO L229 MonitoredProcess]: Starting monitored process 108 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 18:42:26,507 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Waiting until timeout for monitored process [2025-04-26 18:42:26,508 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 18:42:26,517 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 18:42:26,517 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 18:42:26,517 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 18:42:26,517 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 18:42:26,518 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 18:42:26,518 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 18:42:26,520 INFO L490 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-04-26 18:42:26,525 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Ended with exit code 0 [2025-04-26 18:42:26,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:26,526 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:26,527 INFO L229 MonitoredProcess]: Starting monitored process 109 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 18:42:26,528 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Waiting until timeout for monitored process [2025-04-26 18:42:26,529 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 18:42:26,538 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-04-26 18:42:26,539 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-04-26 18:42:26,539 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-04-26 18:42:26,539 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-04-26 18:42:26,540 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-04-26 18:42:26,540 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-04-26 18:42:26,544 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-04-26 18:42:26,552 INFO L436 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2025-04-26 18:42:26,552 INFO L437 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 4 variables to zero. [2025-04-26 18:42:26,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-04-26 18:42:26,552 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:42:26,554 INFO L229 MonitoredProcess]: Starting monitored process 110 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-04-26 18:42:26,555 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Waiting until timeout for monitored process [2025-04-26 18:42:26,556 INFO L436 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-04-26 18:42:26,574 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Forceful destruction successful, exit code 0 [2025-04-26 18:42:26,574 INFO L439 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2025-04-26 18:42:26,574 INFO L476 LassoAnalysis]: Proved termination. [2025-04-26 18:42:26,574 INFO L478 LassoAnalysis]: Termination argument consisting of: Ranking function f(r2) = 1*r2 Supporting invariants [1*b2 - 1 >= 0] [2025-04-26 18:42:26,580 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Ended with exit code 0 [2025-04-26 18:42:26,583 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2025-04-26 18:42:26,598 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-26 18:42:26,603 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-04-26 18:42:26,607 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-04-26 18:42:26,607 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:42:26,607 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 18:42:26,608 INFO L256 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-04-26 18:42:26,608 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 18:42:26,674 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-26 18:42:26,675 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-26 18:42:26,675 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-26 18:42:26,675 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-26 18:42:26,675 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-04-26 18:42:26,675 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-26 18:42:26,688 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 18:42:26,688 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 18:42:26,688 INFO L70 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 807 states and 1481 transitions. cyclomatic complexity: 764 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 18:42:26,715 INFO L74 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 807 states and 1481 transitions. cyclomatic complexity: 764. 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 929 states and 1701 transitions. Complement of second has 7 states. [2025-04-26 18:42:26,715 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 18:42:26,716 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 18:42:26,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 86 transitions. [2025-04-26 18:42:26,716 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 5 states and 86 transitions. Stem has 13 letters. Loop has 3 letters. [2025-04-26 18:42:26,716 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 18:42:26,716 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 5 states and 86 transitions. Stem has 16 letters. Loop has 3 letters. [2025-04-26 18:42:26,716 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 18:42:26,716 INFO L85 BuchiAccepts]: Start buchiAccepts Operand 5 states and 86 transitions. Stem has 13 letters. Loop has 6 letters. [2025-04-26 18:42:26,716 INFO L117 BuchiAccepts]: Finished buchiAccepts. [2025-04-26 18:42:26,717 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 929 states and 1701 transitions. [2025-04-26 18:42:26,720 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-04-26 18:42:26,720 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 929 states to 0 states and 0 transitions. [2025-04-26 18:42:26,720 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2025-04-26 18:42:26,720 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2025-04-26 18:42:26,720 INFO L74 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2025-04-26 18:42:26,720 INFO L81 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-04-26 18:42:26,720 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-04-26 18:42:26,720 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-04-26 18:42:26,720 INFO L438 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-04-26 18:42:26,720 INFO L340 stractBuchiCegarLoop]: ======== Iteration 13 ============ [2025-04-26 18:42:26,720 INFO L73 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2025-04-26 18:42:26,720 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-04-26 18:42:26,720 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2025-04-26 18:42:26,733 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2025-04-26 18:42:26,734 INFO L201 PluginConnector]: Adding new model multi.c.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.04 06:42:26 BoogieIcfgContainer [2025-04-26 18:42:26,735 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-04-26 18:42:26,735 INFO L158 Benchmark]: Toolchain (without parser) took 8533.83ms. Allocated memory was 155.2MB in the beginning and 352.3MB in the end (delta: 197.1MB). Free memory was 84.1MB in the beginning and 275.3MB in the end (delta: -191.1MB). Peak memory consumption was 3.6MB. Max. memory is 8.0GB. [2025-04-26 18:42:26,736 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.70ms. Allocated memory is still 155.2MB. Free memory is still 85.1MB. There was no memory consumed. Max. memory is 8.0GB. [2025-04-26 18:42:26,736 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.85ms. Allocated memory is still 155.2MB. Free memory was 84.1MB in the beginning and 82.2MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 8.0GB. [2025-04-26 18:42:26,736 INFO L158 Benchmark]: Boogie Preprocessor took 28.72ms. Allocated memory is still 155.2MB. Free memory was 82.2MB in the beginning and 81.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 8.0GB. [2025-04-26 18:42:26,737 INFO L158 Benchmark]: RCFGBuilder took 231.48ms. Allocated memory is still 155.2MB. Free memory was 81.1MB in the beginning and 69.3MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2025-04-26 18:42:26,737 INFO L158 Benchmark]: BuchiAutomizer took 8232.72ms. Allocated memory was 155.2MB in the beginning and 352.3MB in the end (delta: 197.1MB). Free memory was 69.1MB in the beginning and 275.3MB in the end (delta: -206.1MB). There was no memory consumed. Max. memory is 8.0GB. [2025-04-26 18:42:26,738 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 0.70ms. Allocated memory is still 155.2MB. Free memory is still 85.1MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 36.85ms. Allocated memory is still 155.2MB. Free memory was 84.1MB in the beginning and 82.2MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 28.72ms. Allocated memory is still 155.2MB. Free memory was 82.2MB in the beginning and 81.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 231.48ms. Allocated memory is still 155.2MB. Free memory was 81.1MB in the beginning and 69.3MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * BuchiAutomizer took 8232.72ms. Allocated memory was 155.2MB in the beginning and 352.3MB in the end (delta: 197.1MB). Free memory was 69.1MB in the beginning and 275.3MB in the end (delta: -206.1MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 8.1s and 13 iterations. TraceHistogramMax:1. Analysis of lassos took 6.0s. Construction of modules took 0.2s. Büchi inclusion checks took 1.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 12. Automata minimization 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 2943 StatesRemovedByMinimization, 12 NontrivialMinimizations. Non-live state removal took 0.1s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [10, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1001 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 997 mSDsluCounter, 1566 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 756 mSDsCounter, 50 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 316 IncrementalHoareTripleChecker+Invalid, 366 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 50 mSolverCounterUnsat, 810 mSDtfsCounter, 316 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT3 conc2 concLT0 SILN0 SILU0 SILI0 SILT1 lasso6 LassoPreprocessingBenchmarks: Lassos: inital45 mio100 ax100 hnf100 lsp53 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq154 hnf94 smp100 dnf100 smp100 tf107 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 21ms VariablesStem: 3 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 34 LassoNonterminationAnalysisSatUnbounded: 3 LassoNonterminationAnalysisUnsat: 10 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 1.6s InitialAbstractionConstructionTime: 0.2s InitialAbstraction: Time to compute Ample Reduction [ms]: 242, Number of transitions in reduction automaton: 350, Number of states in reduction automaton: 193, Underlying: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 13 terminating modules (3 trivial, 10 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * x1 and consists of 4 locations. One deterministic module has affine ranking function -1 * y1 and consists of 4 locations. One deterministic module has affine ranking function -1 * z and consists of 7 locations. One deterministic module has affine ranking function -1 * z and consists of 7 locations. One deterministic module has affine ranking function 2 * r1 + -2 * b1 + a1 and consists of 5 locations. One deterministic module has affine ranking function -1 * x2 and consists of 4 locations. One deterministic module has affine ranking function -1 * y2 and consists of 4 locations. One deterministic module has affine ranking function -1 * z and consists of 6 locations. One deterministic module has affine ranking function -1 * z and consists of 6 locations. One deterministic module has affine ranking function r2 and consists of 5 locations. 3 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 18:42:26,751 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...