/root/.sdkman/candidates/java/21.0.5-tem/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/buchiAutomizer/concurrent-automaton-noLbe.epf --buchiautomizer.automaton.type.for.concurrent.programs PARTIAL_ORDER_BA -tc ../../../trunk/examples/toolchains/BuchiAutomizerBplInline.xml -i /storage/cav23-termute-examples/2_thr/glswitch.c.bpl -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.ample-buchi-601be74-m [2025-02-17 22:48:45,404 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-17 22:48:45,465 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/buchiAutomizer/concurrent-automaton-noLbe.epf [2025-02-17 22:48:45,469 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-17 22:48:45,469 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-17 22:48:45,493 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-17 22:48:45,493 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-17 22:48:45,493 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-17 22:48:45,494 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-17 22:48:45,494 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-17 22:48:45,495 INFO L153 SettingsManager]: * Use SBE=true [2025-02-17 22:48:45,495 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-02-17 22:48:45,495 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-02-17 22:48:45,495 INFO L153 SettingsManager]: * Use old map elimination=false [2025-02-17 22:48:45,496 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-02-17 22:48:45,496 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-02-17 22:48:45,496 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-02-17 22:48:45,496 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-17 22:48:45,496 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-02-17 22:48:45,496 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-17 22:48:45,496 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-17 22:48:45,496 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-17 22:48:45,496 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-17 22:48:45,496 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-02-17 22:48:45,496 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-02-17 22:48:45,496 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-02-17 22:48:45,496 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-17 22:48:45,496 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-17 22:48:45,496 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-17 22:48:45,496 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-02-17 22:48:45,496 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-17 22:48:45,497 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-02-17 22:48:45,497 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-17 22:48:45,497 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-17 22:48:45,497 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-17 22:48:45,497 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-02-17 22:48:45,497 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Automaton type for concurrent programs -> PARTIAL_ORDER_BA [2025-02-17 22:48:45,722 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-17 22:48:45,730 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-17 22:48:45,732 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-17 22:48:45,733 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2025-02-17 22:48:45,733 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2025-02-17 22:48:45,735 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/cav23-termute-examples/2_thr/glswitch.c.bpl [2025-02-17 22:48:45,735 INFO L110 BoogieParser]: Parsing: '/storage/cav23-termute-examples/2_thr/glswitch.c.bpl' [2025-02-17 22:48:45,749 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-17 22:48:45,750 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2025-02-17 22:48:45,750 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-17 22:48:45,750 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-17 22:48:45,750 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-17 22:48:45,757 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "glswitch.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:48:45" (1/1) ... [2025-02-17 22:48:45,761 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "glswitch.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:48:45" (1/1) ... [2025-02-17 22:48:45,765 INFO L138 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2025-02-17 22:48:45,766 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-17 22:48:45,767 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-17 22:48:45,767 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-17 22:48:45,767 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-17 22:48:45,771 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "glswitch.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:48:45" (1/1) ... [2025-02-17 22:48:45,771 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "glswitch.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:48:45" (1/1) ... [2025-02-17 22:48:45,772 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "glswitch.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:48:45" (1/1) ... [2025-02-17 22:48:45,772 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "glswitch.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:48:45" (1/1) ... [2025-02-17 22:48:45,773 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "glswitch.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:48:45" (1/1) ... [2025-02-17 22:48:45,773 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "glswitch.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:48:45" (1/1) ... [2025-02-17 22:48:45,775 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "glswitch.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:48:45" (1/1) ... [2025-02-17 22:48:45,775 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "glswitch.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:48:45" (1/1) ... [2025-02-17 22:48:45,776 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "glswitch.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:48:45" (1/1) ... [2025-02-17 22:48:45,777 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-17 22:48:45,777 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-02-17 22:48:45,777 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-02-17 22:48:45,778 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-02-17 22:48:45,778 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "glswitch.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:48:45" (1/1) ... [2025-02-17 22:48:45,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:45,789 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:45,801 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:45,806 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2025-02-17 22:48:45,820 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2025-02-17 22:48:45,820 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-02-17 22:48:45,820 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-02-17 22:48:45,820 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2025-02-17 22:48:45,820 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-02-17 22:48:45,820 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-02-17 22:48:45,820 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2025-02-17 22:48:45,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-17 22:48:45,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-17 22:48:45,821 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-02-17 22:48:45,854 INFO L234 CfgBuilder]: Building ICFG [2025-02-17 22:48:45,855 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-17 22:48:45,925 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-17 22:48:45,925 INFO L283 CfgBuilder]: Performing block encoding [2025-02-17 22:48:45,935 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-17 22:48:45,935 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-17 22:48:45,935 INFO L201 PluginConnector]: Adding new model glswitch.c.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 10:48:45 BoogieIcfgContainer [2025-02-17 22:48:45,936 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-02-17 22:48:45,937 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-02-17 22:48:45,937 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-02-17 22:48:45,941 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-02-17 22:48:45,941 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-17 22:48:45,941 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "glswitch.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:48:45" (1/2) ... [2025-02-17 22:48:45,942 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6a670527 and model type glswitch.c.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.02 10:48:45, skipping insertion in model container [2025-02-17 22:48:45,942 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-17 22:48:45,942 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "glswitch.c.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 10:48:45" (2/2) ... [2025-02-17 22:48:45,943 INFO L363 chiAutomizerObserver]: Analyzing ICFG glswitch.c.bpl [2025-02-17 22:48:45,986 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-02-17 22:48:46,019 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 28 places, 28 transitions, 70 flow [2025-02-17 22:48:46,033 INFO L124 PetriNetUnfolderBase]: 5/24 cut-off events. [2025-02-17 22:48:46,035 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-02-17 22:48:46,038 INFO L83 FinitePrefix]: Finished finitePrefix Result has 33 conditions, 24 events. 5/24 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 43 event pairs, 0 based on Foata normal form. 0/19 useless extension candidates. Maximal degree in co-relation 22. Up to 3 conditions per place. [2025-02-17 22:48:46,038 INFO L82 GeneralOperation]: Start removeDead. Operand has 28 places, 28 transitions, 70 flow [2025-02-17 22:48:46,041 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 26 places, 24 transitions, 60 flow [2025-02-17 22:48:46,046 WARN L98 AmpleReduction]: Starting ample reduction [2025-02-17 22:48:46,186 INFO L100 AmpleReduction]: Finished ample reduction [2025-02-17 22:48:46,186 INFO L101 AmpleReduction]: Number of pruned transitions: 36, Number of non-trivial ample sets: 58 [2025-02-17 22:48:46,186 INFO L103 AmpleReduction]: Number of trivial ample sets caused by loops: 61 [2025-02-17 22:48:46,192 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-02-17 22:48:46,192 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-02-17 22:48:46,192 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-02-17 22:48:46,192 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-02-17 22:48:46,192 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-02-17 22:48:46,192 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-02-17 22:48:46,192 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-02-17 22:48:46,192 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-02-17 22:48:46,195 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 81 states, 80 states have (on average 1.875) internal successors, (150), 80 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-17 22:48:46,210 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 68 [2025-02-17 22:48:46,212 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-17 22:48:46,212 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-17 22:48:46,215 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1] [2025-02-17 22:48:46,217 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-02-17 22:48:46,218 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-02-17 22:48:46,219 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 81 states, 80 states have (on average 1.875) internal successors, (150), 80 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-17 22:48:46,221 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 68 [2025-02-17 22:48:46,222 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-17 22:48:46,222 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-17 22:48:46,222 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1] [2025-02-17 22:48:46,222 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-02-17 22:48:46,228 INFO L752 eck$LassoCheckResult]: Stem: "[88] $Ultimate##0-->L22: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0]" [2025-02-17 22:48:46,228 INFO L754 eck$LassoCheckResult]: Loop: "[68] L22-->L24: Formula: (< v_x2_1 v_w_1) InVars {x2=v_x2_1, w=v_w_1} OutVars{x2=v_x2_1, w=v_w_1} AuxVars[] AssignedVars[]" "[71] L24-->L24-2: Formula: (<= v_g_3 0) InVars {g=v_g_3} OutVars{g=v_g_3} AuxVars[] AssignedVars[]" "[73] L24-2-->L22: Formula: (= v_x2_2 (+ v_x2_3 1)) InVars {x2=v_x2_3} OutVars{x2=v_x2_2} AuxVars[] AssignedVars[x2]" [2025-02-17 22:48:46,231 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:46,232 INFO L85 PathProgramCache]: Analyzing trace with hash 119, now seen corresponding path program 1 times [2025-02-17 22:48:46,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:46,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614636192] [2025-02-17 22:48:46,238 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:46,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:46,283 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-02-17 22:48:46,287 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-02-17 22:48:46,287 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:46,287 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:46,288 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:46,292 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-02-17 22:48:46,292 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-02-17 22:48:46,293 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:46,293 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:46,305 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:46,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:46,308 INFO L85 PathProgramCache]: Analyzing trace with hash 97413, now seen corresponding path program 1 times [2025-02-17 22:48:46,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:46,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944503820] [2025-02-17 22:48:46,309 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:46,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:46,311 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:46,315 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:46,315 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:46,315 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:46,315 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:46,316 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:46,317 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:46,317 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:46,317 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:46,318 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:46,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:46,319 INFO L85 PathProgramCache]: Analyzing trace with hash 3612751, now seen corresponding path program 1 times [2025-02-17 22:48:46,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:46,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046717399] [2025-02-17 22:48:46,319 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:46,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:46,322 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-17 22:48:46,324 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-17 22:48:46,324 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:46,324 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:46,324 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:46,325 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-17 22:48:46,326 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-17 22:48:46,327 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:46,327 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:46,328 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:46,371 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:48:46,371 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:48:46,372 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:48:46,372 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:48:46,372 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-02-17 22:48:46,372 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:46,372 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:48:46,372 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:48:46,372 INFO L132 ssoRankerPreferences]: Filename of dumped script: glswitch.c.bpl_petrified1_Iteration1_Loop [2025-02-17 22:48:46,372 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:48:46,372 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:48:46,382 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:46,392 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:46,443 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:48:46,443 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-02-17 22:48:46,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:46,445 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:46,446 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:46,450 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2025-02-17 22:48:46,452 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:46,452 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:46,474 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:48:46,474 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {g=0} Honda state: {g=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:48:46,481 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2025-02-17 22:48:46,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:46,482 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:46,484 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:46,486 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2025-02-17 22:48:46,487 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:46,487 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:46,505 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2025-02-17 22:48:46,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:46,506 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:46,509 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:46,509 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2025-02-17 22:48:46,512 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-02-17 22:48:46,512 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:46,584 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-02-17 22:48:46,589 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2025-02-17 22:48:46,589 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:48:46,589 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:48:46,589 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:48:46,589 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:48:46,589 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-17 22:48:46,589 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:46,589 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:48:46,589 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:48:46,589 INFO L132 ssoRankerPreferences]: Filename of dumped script: glswitch.c.bpl_petrified1_Iteration1_Loop [2025-02-17 22:48:46,589 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:48:46,589 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:48:46,590 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:46,595 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:46,626 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:48:46,629 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-17 22:48:46,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:46,630 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:46,632 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:46,634 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2025-02-17 22:48:46,635 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 [2025-02-17 22:48:46,647 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:48:46,647 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-17 22:48:46,648 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:48:46,648 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:48:46,648 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:48:46,653 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-17 22:48:46,653 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-17 22:48:46,655 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:48:46,661 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2025-02-17 22:48:46,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:46,662 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:46,663 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:46,665 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2025-02-17 22:48:46,667 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-17 22:48:46,678 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:48:46,678 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-17 22:48:46,678 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:48:46,678 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:48:46,678 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:48:46,681 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-17 22:48:46,681 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-17 22:48:46,686 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-17 22:48:46,690 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2025-02-17 22:48:46,690 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2025-02-17 22:48:46,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:46,691 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:46,693 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:46,694 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2025-02-17 22:48:46,694 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-17 22:48:46,695 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2025-02-17 22:48:46,695 INFO L474 LassoAnalysis]: Proved termination. [2025-02-17 22:48:46,695 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(w, x2) = 1*w - 1*x2 Supporting invariants [] [2025-02-17 22:48:46,700 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2025-02-17 22:48:46,724 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2025-02-17 22:48:46,728 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-02-17 22:48:46,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:46,759 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1 statements into 1 equivalence classes. [2025-02-17 22:48:46,760 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1 of 1 statements. [2025-02-17 22:48:46,760 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:46,760 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:48:46,761 WARN L254 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-17 22:48:46,762 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:48:46,770 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:48:46,772 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:48:46,772 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:46,772 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:48:46,772 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-17 22:48:46,773 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:48:46,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-17 22:48:46,835 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2025-02-17 22:48:46,840 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 81 states, 80 states have (on average 1.875) internal successors, (150), 80 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-17 22:48:46,936 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 81 states, 80 states have (on average 1.875) internal successors, (150), 80 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 177 states and 354 transitions. Complement of second has 6 states. [2025-02-17 22:48:46,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2025-02-17 22:48:46,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-17 22:48:46,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 43 transitions. [2025-02-17 22:48:46,956 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 43 transitions. Stem has 1 letters. Loop has 3 letters. [2025-02-17 22:48:46,958 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:48:46,958 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 43 transitions. Stem has 4 letters. Loop has 3 letters. [2025-02-17 22:48:46,958 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:48:46,958 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 43 transitions. Stem has 1 letters. Loop has 6 letters. [2025-02-17 22:48:46,958 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:48:46,959 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 177 states and 354 transitions. [2025-02-17 22:48:46,966 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 24 [2025-02-17 22:48:46,970 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 177 states to 99 states and 199 transitions. [2025-02-17 22:48:46,971 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 37 [2025-02-17 22:48:46,971 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 56 [2025-02-17 22:48:46,971 INFO L73 IsDeterministic]: Start isDeterministic. Operand 99 states and 199 transitions. [2025-02-17 22:48:46,971 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-17 22:48:46,971 INFO L218 hiAutomatonCegarLoop]: Abstraction has 99 states and 199 transitions. [2025-02-17 22:48:46,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states and 199 transitions. [2025-02-17 22:48:46,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 86. [2025-02-17 22:48:46,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 86 states have (on average 2.0348837209302326) internal successors, (175), 85 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-17 22:48:46,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 175 transitions. [2025-02-17 22:48:46,993 INFO L240 hiAutomatonCegarLoop]: Abstraction has 86 states and 175 transitions. [2025-02-17 22:48:46,993 INFO L432 stractBuchiCegarLoop]: Abstraction has 86 states and 175 transitions. [2025-02-17 22:48:46,994 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-02-17 22:48:46,994 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 86 states and 175 transitions. [2025-02-17 22:48:46,994 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 24 [2025-02-17 22:48:46,995 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-17 22:48:46,995 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-17 22:48:46,995 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2025-02-17 22:48:46,995 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2025-02-17 22:48:46,995 INFO L752 eck$LassoCheckResult]: Stem: "[88] $Ultimate##0-->L22: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0]" "[67] L22-->thread1FINAL: Formula: (<= v_w_2 v_x2_4) InVars {x2=v_x2_4, w=v_w_2} OutVars{x2=v_x2_4, w=v_w_2} AuxVars[] AssignedVars[]" "[69] thread1FINAL-->thread1EXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[]" "[91] L13-->$Ultimate##0: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1]" "[75] $Ultimate##0-->L44-1: Formula: (< 0 v_d_4) InVars {d=v_d_4} OutVars{d=v_d_4} AuxVars[] AssignedVars[]" [2025-02-17 22:48:46,995 INFO L754 eck$LassoCheckResult]: Loop: "[77] L44-1-->L39: Formula: (< 0 v_f_1) InVars {f=v_f_1} OutVars{f=v_f_1} AuxVars[] AssignedVars[]" "[79] L39-->L40: Formula: (= v_x1_2 (+ v_x1_3 v_d_3)) InVars {x1=v_x1_3, d=v_d_3} OutVars{x1=v_x1_2, d=v_d_3} AuxVars[] AssignedVars[x1]" "[81] L40-->L40-2: Formula: (< v_z_2 v_x1_5) InVars {x1=v_x1_5, z=v_z_2} OutVars{x1=v_x1_5, z=v_z_2} AuxVars[] AssignedVars[]" "[84] L40-2-->L44-1: Formula: (< v_x1_1 v_y_1) InVars {y=v_y_1, x1=v_x1_1} OutVars{y=v_y_1, x1=v_x1_1} AuxVars[] AssignedVars[]" [2025-02-17 22:48:46,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:46,996 INFO L85 PathProgramCache]: Analyzing trace with hash 111964201, now seen corresponding path program 1 times [2025-02-17 22:48:46,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:46,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311605535] [2025-02-17 22:48:46,996 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:46,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:46,998 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-17 22:48:46,999 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-17 22:48:46,999 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:46,999 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:46,999 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:47,000 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-17 22:48:47,001 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-17 22:48:47,001 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:47,001 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:47,002 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:47,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:47,002 INFO L85 PathProgramCache]: Analyzing trace with hash 3295942, now seen corresponding path program 1 times [2025-02-17 22:48:47,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:47,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294769220] [2025-02-17 22:48:47,002 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:47,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:47,004 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-17 22:48:47,005 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-17 22:48:47,005 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:47,005 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:47,005 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:47,006 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-17 22:48:47,007 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-17 22:48:47,007 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:47,007 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:47,008 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:47,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:47,009 INFO L85 PathProgramCache]: Analyzing trace with hash -44407058, now seen corresponding path program 1 times [2025-02-17 22:48:47,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:47,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479862990] [2025-02-17 22:48:47,009 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:47,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:47,011 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-02-17 22:48:47,017 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-02-17 22:48:47,017 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:47,018 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:47,018 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:47,020 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-02-17 22:48:47,023 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-02-17 22:48:47,023 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:47,023 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:47,028 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:47,097 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:48:47,097 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:48:47,097 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:48:47,097 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:48:47,097 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-02-17 22:48:47,097 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:47,097 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:48:47,097 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:48:47,097 INFO L132 ssoRankerPreferences]: Filename of dumped script: glswitch.c.bpl_petrified1_Iteration2_Lasso [2025-02-17 22:48:47,098 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:48:47,098 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:48:47,099 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:47,104 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:47,107 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:47,111 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:47,115 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:47,118 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:47,173 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:48:47,173 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-02-17 22:48:47,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:47,174 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:47,176 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:47,177 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2025-02-17 22:48:47,178 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:47,178 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:47,196 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:48:47,196 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {f=1} Honda state: {f=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:48:47,202 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2025-02-17 22:48:47,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:47,202 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:47,204 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:47,205 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2025-02-17 22:48:47,207 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:47,207 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:47,220 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:48:47,220 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread2Thread1of1ForFork1_thidvar0=0} Honda state: {thread2Thread1of1ForFork1_thidvar0=2} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:48:47,229 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2025-02-17 22:48:47,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:47,229 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:47,231 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:47,232 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2025-02-17 22:48:47,234 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:47,234 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:47,252 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:48:47,252 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {w=0, x2=0} Honda state: {w=0, x2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:48:47,257 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2025-02-17 22:48:47,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:47,258 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:47,259 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:47,260 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2025-02-17 22:48:47,262 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:47,263 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:47,274 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:48:47,274 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread2Thread1of1ForFork1_thidvar1=0} Honda state: {thread2Thread1of1ForFork1_thidvar1=2} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:48:47,280 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2025-02-17 22:48:47,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:47,280 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:47,282 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:47,283 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2025-02-17 22:48:47,285 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:47,285 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:47,296 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:48:47,297 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread1Thread1of1ForFork0_thidvar0=0} Honda state: {thread1Thread1of1ForFork0_thidvar0=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:48:47,302 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2025-02-17 22:48:47,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:47,303 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:47,305 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:47,305 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2025-02-17 22:48:47,308 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:47,308 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:47,325 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2025-02-17 22:48:47,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:47,326 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:47,327 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:47,328 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2025-02-17 22:48:47,329 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-02-17 22:48:47,329 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:47,513 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-02-17 22:48:47,522 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2025-02-17 22:48:47,522 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:48:47,523 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:48:47,523 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:48:47,523 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:48:47,523 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-17 22:48:47,523 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:47,523 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:48:47,523 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:48:47,523 INFO L132 ssoRankerPreferences]: Filename of dumped script: glswitch.c.bpl_petrified1_Iteration2_Lasso [2025-02-17 22:48:47,523 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:48:47,523 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:48:47,524 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:47,528 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:47,529 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:47,536 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:47,538 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:47,540 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:47,589 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:48:47,590 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-17 22:48:47,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:47,590 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:47,593 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:47,593 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2025-02-17 22:48:47,595 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-17 22:48:47,604 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:48:47,605 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-17 22:48:47,605 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:48:47,605 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:48:47,605 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:48:47,606 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-17 22:48:47,606 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-17 22:48:47,607 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:48:47,612 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2025-02-17 22:48:47,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:47,612 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:47,614 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:47,615 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2025-02-17 22:48:47,617 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 [2025-02-17 22:48:47,626 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:48:47,626 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:48:47,626 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:48:47,627 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:48:47,629 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:48:47,629 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:48:47,632 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:48:47,637 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2025-02-17 22:48:47,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:47,638 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:47,639 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:47,640 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2025-02-17 22:48:47,641 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 [2025-02-17 22:48:47,651 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:48:47,651 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:48:47,651 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:48:47,651 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:48:47,653 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:48:47,653 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:48:47,661 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:48:47,668 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2025-02-17 22:48:47,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:47,669 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:47,671 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:47,676 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2025-02-17 22:48:47,677 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-17 22:48:47,687 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:48:47,688 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:48:47,688 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:48:47,688 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:48:47,690 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:48:47,690 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:48:47,695 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:48:47,701 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2025-02-17 22:48:47,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:47,702 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:47,703 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:47,705 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2025-02-17 22:48:47,706 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-17 22:48:47,716 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:48:47,716 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:48:47,716 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:48:47,716 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:48:47,718 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:48:47,718 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:48:47,735 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:48:47,748 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2025-02-17 22:48:47,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:47,748 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:47,794 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:47,798 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2025-02-17 22:48:47,798 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-17 22:48:47,808 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:48:47,808 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:48:47,808 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:48:47,808 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:48:47,812 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:48:47,812 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:48:47,822 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-17 22:48:47,829 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2025-02-17 22:48:47,830 INFO L444 ModelExtractionUtils]: 9 out of 16 variables were initially zero. Simplification set additionally 1 variables to zero. [2025-02-17 22:48:47,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:47,830 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:47,832 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:47,833 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2025-02-17 22:48:47,834 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-17 22:48:47,845 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2025-02-17 22:48:47,845 INFO L474 LassoAnalysis]: Proved termination. [2025-02-17 22:48:47,845 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(y, x1, d) = 1*y - 1*x1 - 1*d Supporting invariants [1*d - 1 >= 0] [2025-02-17 22:48:47,851 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2025-02-17 22:48:47,855 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2025-02-17 22:48:47,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:47,883 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-17 22:48:47,884 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-17 22:48:47,884 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:47,884 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:48:47,885 INFO L256 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-17 22:48:47,885 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:48:47,894 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-17 22:48:47,895 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-17 22:48:47,895 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:47,895 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:48:47,895 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-17 22:48:47,896 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:48:47,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-17 22:48:47,935 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2025-02-17 22:48:47,935 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 86 states and 175 transitions. cyclomatic complexity: 96 Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-17 22:48:47,984 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 86 states and 175 transitions. cyclomatic complexity: 96. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 293 states and 585 transitions. Complement of second has 7 states. [2025-02-17 22:48:47,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2025-02-17 22:48:47,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-17 22:48:47,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 44 transitions. [2025-02-17 22:48:47,985 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 44 transitions. Stem has 5 letters. Loop has 4 letters. [2025-02-17 22:48:47,985 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:48:47,985 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 44 transitions. Stem has 9 letters. Loop has 4 letters. [2025-02-17 22:48:47,985 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:48:47,985 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 44 transitions. Stem has 5 letters. Loop has 8 letters. [2025-02-17 22:48:47,985 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:48:47,985 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 293 states and 585 transitions. [2025-02-17 22:48:47,988 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 48 [2025-02-17 22:48:47,989 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 293 states to 293 states and 585 transitions. [2025-02-17 22:48:47,990 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 110 [2025-02-17 22:48:47,990 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 119 [2025-02-17 22:48:47,990 INFO L73 IsDeterministic]: Start isDeterministic. Operand 293 states and 585 transitions. [2025-02-17 22:48:47,990 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-17 22:48:47,990 INFO L218 hiAutomatonCegarLoop]: Abstraction has 293 states and 585 transitions. [2025-02-17 22:48:47,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states and 585 transitions. [2025-02-17 22:48:48,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 242. [2025-02-17 22:48:48,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 242 states, 242 states have (on average 2.090909090909091) internal successors, (506), 241 states have internal predecessors, (506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-17 22:48:48,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 506 transitions. [2025-02-17 22:48:48,005 INFO L240 hiAutomatonCegarLoop]: Abstraction has 242 states and 506 transitions. [2025-02-17 22:48:48,005 INFO L432 stractBuchiCegarLoop]: Abstraction has 242 states and 506 transitions. [2025-02-17 22:48:48,005 INFO L338 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2025-02-17 22:48:48,005 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 242 states and 506 transitions. [2025-02-17 22:48:48,006 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 48 [2025-02-17 22:48:48,006 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-17 22:48:48,006 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-17 22:48:48,006 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2025-02-17 22:48:48,006 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2025-02-17 22:48:48,007 INFO L752 eck$LassoCheckResult]: Stem: "[88] $Ultimate##0-->L22: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0]" "[67] L22-->thread1FINAL: Formula: (<= v_w_2 v_x2_4) InVars {x2=v_x2_4, w=v_w_2} OutVars{x2=v_x2_4, w=v_w_2} AuxVars[] AssignedVars[]" "[69] thread1FINAL-->thread1EXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[]" "[91] L13-->$Ultimate##0: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1]" "[75] $Ultimate##0-->L44-1: Formula: (< 0 v_d_4) InVars {d=v_d_4} OutVars{d=v_d_4} AuxVars[] AssignedVars[]" "[77] L44-1-->L39: Formula: (< 0 v_f_1) InVars {f=v_f_1} OutVars{f=v_f_1} AuxVars[] AssignedVars[]" [2025-02-17 22:48:48,007 INFO L754 eck$LassoCheckResult]: Loop: "[79] L39-->L40: Formula: (= v_x1_2 (+ v_x1_3 v_d_3)) InVars {x1=v_x1_3, d=v_d_3} OutVars{x1=v_x1_2, d=v_d_3} AuxVars[] AssignedVars[x1]" "[81] L40-->L40-2: Formula: (< v_z_2 v_x1_5) InVars {x1=v_x1_5, z=v_z_2} OutVars{x1=v_x1_5, z=v_z_2} AuxVars[] AssignedVars[]" "[83] L40-2-->L46: Formula: (<= v_y_2 v_x1_6) InVars {y=v_y_2, x1=v_x1_6} OutVars{y=v_y_2, x1=v_x1_6} AuxVars[] AssignedVars[]" "[85] L46-->L44-1: Formula: (= v_f_4 0) InVars {} OutVars{f=v_f_4} AuxVars[] AssignedVars[f]" "[77] L44-1-->L39: Formula: (< 0 v_f_1) InVars {f=v_f_1} OutVars{f=v_f_1} AuxVars[] AssignedVars[]" [2025-02-17 22:48:48,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:48,007 INFO L85 PathProgramCache]: Analyzing trace with hash -824076988, now seen corresponding path program 1 times [2025-02-17 22:48:48,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:48,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420474598] [2025-02-17 22:48:48,007 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:48,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:48,009 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-17 22:48:48,010 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-17 22:48:48,010 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:48,010 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:48,010 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:48,011 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-17 22:48:48,012 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-17 22:48:48,012 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:48,012 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:48,012 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:48,013 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:48,013 INFO L85 PathProgramCache]: Analyzing trace with hash 104082856, now seen corresponding path program 1 times [2025-02-17 22:48:48,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:48,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91874465] [2025-02-17 22:48:48,013 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:48,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:48,014 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-17 22:48:48,017 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-17 22:48:48,017 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:48,017 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:48:48,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-17 22:48:48,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-17 22:48:48,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91874465] [2025-02-17 22:48:48,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [91874465] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-17 22:48:48,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-17 22:48:48,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-17 22:48:48,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748955740] [2025-02-17 22:48:48,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-17 22:48:48,063 INFO L769 eck$LassoCheckResult]: loop already infeasible [2025-02-17 22:48:48,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-17 22:48:48,064 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-17 22:48:48,064 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-17 22:48:48,065 INFO L87 Difference]: Start difference. First operand 242 states and 506 transitions. cyclomatic complexity: 283 Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-17 22:48:48,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-17 22:48:48,081 INFO L93 Difference]: Finished difference Result 350 states and 703 transitions. [2025-02-17 22:48:48,081 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 350 states and 703 transitions. [2025-02-17 22:48:48,084 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 16 [2025-02-17 22:48:48,084 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 350 states to 91 states and 162 transitions. [2025-02-17 22:48:48,084 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 24 [2025-02-17 22:48:48,084 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2025-02-17 22:48:48,084 INFO L73 IsDeterministic]: Start isDeterministic. Operand 91 states and 162 transitions. [2025-02-17 22:48:48,085 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-17 22:48:48,085 INFO L218 hiAutomatonCegarLoop]: Abstraction has 91 states and 162 transitions. [2025-02-17 22:48:48,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states and 162 transitions. [2025-02-17 22:48:48,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 89. [2025-02-17 22:48:48,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 89 states have (on average 1.797752808988764) internal successors, (160), 88 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-17 22:48:48,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 160 transitions. [2025-02-17 22:48:48,087 INFO L240 hiAutomatonCegarLoop]: Abstraction has 89 states and 160 transitions. [2025-02-17 22:48:48,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-17 22:48:48,089 INFO L432 stractBuchiCegarLoop]: Abstraction has 89 states and 160 transitions. [2025-02-17 22:48:48,089 INFO L338 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2025-02-17 22:48:48,089 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 89 states and 160 transitions. [2025-02-17 22:48:48,090 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 16 [2025-02-17 22:48:48,090 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-17 22:48:48,090 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-17 22:48:48,090 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-17 22:48:48,090 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2025-02-17 22:48:48,090 INFO L752 eck$LassoCheckResult]: Stem: "[88] $Ultimate##0-->L22: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0]" "[68] L22-->L24: Formula: (< v_x2_1 v_w_1) InVars {x2=v_x2_1, w=v_w_1} OutVars{x2=v_x2_1, w=v_w_1} AuxVars[] AssignedVars[]" "[70] L24-->L26: Formula: (< 0 v_g_1) InVars {g=v_g_1} OutVars{g=v_g_1} AuxVars[] AssignedVars[]" "[91] L13-->$Ultimate##0: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1]" "[75] $Ultimate##0-->L44-1: Formula: (< 0 v_d_4) InVars {d=v_d_4} OutVars{d=v_d_4} AuxVars[] AssignedVars[]" "[72] L26-->L27: Formula: (= (+ v_d_2 v_d_1) 0) InVars {d=v_d_2} OutVars{d=v_d_1} AuxVars[] AssignedVars[d]" "[74] L27-->L24-2: Formula: (= v_g_2 0) InVars {} OutVars{g=v_g_2} AuxVars[] AssignedVars[g]" "[73] L24-2-->L22: Formula: (= v_x2_2 (+ v_x2_3 1)) InVars {x2=v_x2_3} OutVars{x2=v_x2_2} AuxVars[] AssignedVars[x2]" "[67] L22-->thread1FINAL: Formula: (<= v_w_2 v_x2_4) InVars {x2=v_x2_4, w=v_w_2} OutVars{x2=v_x2_4, w=v_w_2} AuxVars[] AssignedVars[]" [2025-02-17 22:48:48,090 INFO L754 eck$LassoCheckResult]: Loop: "[77] L44-1-->L39: Formula: (< 0 v_f_1) InVars {f=v_f_1} OutVars{f=v_f_1} AuxVars[] AssignedVars[]" "[79] L39-->L40: Formula: (= v_x1_2 (+ v_x1_3 v_d_3)) InVars {x1=v_x1_3, d=v_d_3} OutVars{x1=v_x1_2, d=v_d_3} AuxVars[] AssignedVars[x1]" "[81] L40-->L40-2: Formula: (< v_z_2 v_x1_5) InVars {x1=v_x1_5, z=v_z_2} OutVars{x1=v_x1_5, z=v_z_2} AuxVars[] AssignedVars[]" "[84] L40-2-->L44-1: Formula: (< v_x1_1 v_y_1) InVars {y=v_y_1, x1=v_x1_1} OutVars{y=v_y_1, x1=v_x1_1} AuxVars[] AssignedVars[]" [2025-02-17 22:48:48,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:48,091 INFO L85 PathProgramCache]: Analyzing trace with hash -1709214363, now seen corresponding path program 1 times [2025-02-17 22:48:48,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:48,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952353307] [2025-02-17 22:48:48,091 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:48,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:48,093 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-02-17 22:48:48,096 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-02-17 22:48:48,096 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:48,096 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:48,096 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:48,097 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-02-17 22:48:48,099 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-02-17 22:48:48,099 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:48,099 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:48,100 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:48,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:48,100 INFO L85 PathProgramCache]: Analyzing trace with hash 3295942, now seen corresponding path program 2 times [2025-02-17 22:48:48,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:48,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855557227] [2025-02-17 22:48:48,100 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-17 22:48:48,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:48,102 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 4 statements into 1 equivalence classes. [2025-02-17 22:48:48,103 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-17 22:48:48,103 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-17 22:48:48,103 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:48,103 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:48,104 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-17 22:48:48,105 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-17 22:48:48,105 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:48,105 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:48,105 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:48,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:48,106 INFO L85 PathProgramCache]: Analyzing trace with hash -384799190, now seen corresponding path program 1 times [2025-02-17 22:48:48,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:48,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371611680] [2025-02-17 22:48:48,106 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:48,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:48,107 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-02-17 22:48:48,110 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-02-17 22:48:48,110 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:48,110 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:48,110 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:48,111 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-02-17 22:48:48,113 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-02-17 22:48:48,113 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:48,113 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:48,114 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:48,210 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:48:48,210 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:48:48,210 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:48:48,210 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:48:48,210 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-02-17 22:48:48,210 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:48,210 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:48:48,210 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:48:48,210 INFO L132 ssoRankerPreferences]: Filename of dumped script: glswitch.c.bpl_petrified1_Iteration4_Lasso [2025-02-17 22:48:48,210 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:48:48,210 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:48:48,211 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:48,215 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:48,220 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:48,227 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:48,229 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:48,230 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:48,234 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:48,313 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2025-02-17 22:48:48,325 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:48:48,325 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-02-17 22:48:48,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:48,325 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:48,326 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:48,328 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2025-02-17 22:48:48,330 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:48,330 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:48,346 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:48:48,347 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {g=1} Honda state: {g=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:48:48,352 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2025-02-17 22:48:48,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:48,352 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:48,354 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:48,355 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2025-02-17 22:48:48,357 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:48,357 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:48,375 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:48:48,376 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {w=-7, x2=-8} Honda state: {w=-7, x2=-7} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:48:48,381 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2025-02-17 22:48:48,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:48,382 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:48,383 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:48,385 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2025-02-17 22:48:48,391 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:48,391 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:48,408 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:48:48,408 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {f=1} Honda state: {f=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:48:48,413 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2025-02-17 22:48:48,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:48,414 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:48,416 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:48,419 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2025-02-17 22:48:48,423 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:48,423 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:48,435 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:48:48,435 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread1Thread1of1ForFork0_thidvar0=0} Honda state: {thread1Thread1of1ForFork0_thidvar0=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:48:48,440 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2025-02-17 22:48:48,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:48,440 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:48,442 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:48,442 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2025-02-17 22:48:48,448 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:48,448 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:48,458 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:48:48,458 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread2Thread1of1ForFork1_thidvar1=0} Honda state: {thread2Thread1of1ForFork1_thidvar1=2} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:48:48,479 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2025-02-17 22:48:48,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:48,479 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:48,528 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:48,529 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2025-02-17 22:48:48,530 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:48,530 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:48,540 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:48:48,540 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread2Thread1of1ForFork1_thidvar0=0} Honda state: {thread2Thread1of1ForFork1_thidvar0=2} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:48:48,545 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2025-02-17 22:48:48,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:48,546 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:48,547 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:48,548 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2025-02-17 22:48:48,549 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:48:48,549 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:48,565 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2025-02-17 22:48:48,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:48,566 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:48,567 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:48,568 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2025-02-17 22:48:48,569 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-02-17 22:48:48,569 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:48:48,766 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-02-17 22:48:48,773 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2025-02-17 22:48:48,773 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:48:48,773 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:48:48,773 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:48:48,773 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:48:48,773 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-17 22:48:48,773 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:48,773 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:48:48,773 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:48:48,773 INFO L132 ssoRankerPreferences]: Filename of dumped script: glswitch.c.bpl_petrified1_Iteration4_Lasso [2025-02-17 22:48:48,773 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:48:48,773 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:48:48,774 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:48,781 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:48,789 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:48,792 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:48,793 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:48,798 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:48,799 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:48:48,890 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:48:48,890 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-17 22:48:48,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:48,890 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:48,892 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:48,893 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2025-02-17 22:48:48,894 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-17 22:48:48,903 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:48:48,904 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:48:48,904 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:48:48,904 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:48:48,906 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:48:48,907 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:48:48,909 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:48:48,916 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2025-02-17 22:48:48,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:48,916 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:48,918 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:48,919 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2025-02-17 22:48:48,920 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-17 22:48:48,930 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:48:48,930 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:48:48,930 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:48:48,930 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:48:48,932 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:48:48,932 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:48:48,935 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:48:48,940 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2025-02-17 22:48:48,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:48,941 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:48,943 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:48,943 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2025-02-17 22:48:48,945 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-17 22:48:48,955 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:48:48,955 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-17 22:48:48,955 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:48:48,955 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:48:48,955 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:48:48,956 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-17 22:48:48,956 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-17 22:48:48,956 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:48:48,962 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2025-02-17 22:48:48,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:48,962 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:48,964 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:48,965 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2025-02-17 22:48:48,966 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-17 22:48:48,975 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:48:48,976 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:48:48,976 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:48:48,976 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:48:48,977 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:48:48,977 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:48:48,979 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:48:48,985 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2025-02-17 22:48:48,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:48,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:48,987 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:48,989 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2025-02-17 22:48:48,990 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-17 22:48:49,000 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:48:49,000 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:48:49,000 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:48:49,000 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:48:49,001 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:48:49,001 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:48:49,004 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:48:49,009 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2025-02-17 22:48:49,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:49,010 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:49,012 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:49,013 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2025-02-17 22:48:49,014 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-17 22:48:49,024 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:48:49,024 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:48:49,024 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:48:49,024 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:48:49,026 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:48:49,026 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:48:49,028 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:48:49,034 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2025-02-17 22:48:49,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:49,034 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:49,036 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:49,037 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2025-02-17 22:48:49,039 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-17 22:48:49,049 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:48:49,049 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:48:49,049 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:48:49,049 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:48:49,051 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:48:49,052 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:48:49,056 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-17 22:48:49,064 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2025-02-17 22:48:49,064 INFO L444 ModelExtractionUtils]: 9 out of 16 variables were initially zero. Simplification set additionally 1 variables to zero. [2025-02-17 22:48:49,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:48:49,064 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:48:49,066 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:48:49,067 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2025-02-17 22:48:49,068 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-17 22:48:49,079 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2025-02-17 22:48:49,079 INFO L474 LassoAnalysis]: Proved termination. [2025-02-17 22:48:49,079 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(z, x1, d) = -1*z + 1*x1 + 1*d Supporting invariants [-1*d - 1 >= 0] [2025-02-17 22:48:49,085 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2025-02-17 22:48:49,087 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2025-02-17 22:48:49,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:49,106 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-02-17 22:48:49,108 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-02-17 22:48:49,108 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:49,108 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:48:49,108 INFO L256 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-17 22:48:49,108 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:48:49,148 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-17 22:48:49,149 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-17 22:48:49,149 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:49,149 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:48:49,149 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-17 22:48:49,150 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:48:49,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-17 22:48:49,196 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 3 loop predicates [2025-02-17 22:48:49,196 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 89 states and 160 transitions. cyclomatic complexity: 82 Second operand has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-17 22:48:49,268 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 89 states and 160 transitions. cyclomatic complexity: 82. Second operand has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 165 states and 288 transitions. Complement of second has 10 states. [2025-02-17 22:48:49,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 3 stem states 2 non-accepting loop states 2 accepting loop states [2025-02-17 22:48:49,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-17 22:48:49,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 42 transitions. [2025-02-17 22:48:49,269 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 42 transitions. Stem has 9 letters. Loop has 4 letters. [2025-02-17 22:48:49,269 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:48:49,269 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 42 transitions. Stem has 13 letters. Loop has 4 letters. [2025-02-17 22:48:49,269 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:48:49,269 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 42 transitions. Stem has 9 letters. Loop has 8 letters. [2025-02-17 22:48:49,270 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:48:49,270 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 165 states and 288 transitions. [2025-02-17 22:48:49,271 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 20 [2025-02-17 22:48:49,272 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 165 states to 131 states and 232 transitions. [2025-02-17 22:48:49,272 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 38 [2025-02-17 22:48:49,272 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 44 [2025-02-17 22:48:49,272 INFO L73 IsDeterministic]: Start isDeterministic. Operand 131 states and 232 transitions. [2025-02-17 22:48:49,272 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-17 22:48:49,272 INFO L218 hiAutomatonCegarLoop]: Abstraction has 131 states and 232 transitions. [2025-02-17 22:48:49,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states and 232 transitions. [2025-02-17 22:48:49,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 113. [2025-02-17 22:48:49,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 113 states have (on average 1.8407079646017699) internal successors, (208), 112 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-17 22:48:49,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 208 transitions. [2025-02-17 22:48:49,282 INFO L240 hiAutomatonCegarLoop]: Abstraction has 113 states and 208 transitions. [2025-02-17 22:48:49,282 INFO L432 stractBuchiCegarLoop]: Abstraction has 113 states and 208 transitions. [2025-02-17 22:48:49,282 INFO L338 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2025-02-17 22:48:49,282 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 113 states and 208 transitions. [2025-02-17 22:48:49,283 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 16 [2025-02-17 22:48:49,283 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-17 22:48:49,283 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-17 22:48:49,284 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1] [2025-02-17 22:48:49,284 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2025-02-17 22:48:49,284 INFO L752 eck$LassoCheckResult]: Stem: "[88] $Ultimate##0-->L22: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0]" "[68] L22-->L24: Formula: (< v_x2_1 v_w_1) InVars {x2=v_x2_1, w=v_w_1} OutVars{x2=v_x2_1, w=v_w_1} AuxVars[] AssignedVars[]" "[70] L24-->L26: Formula: (< 0 v_g_1) InVars {g=v_g_1} OutVars{g=v_g_1} AuxVars[] AssignedVars[]" "[91] L13-->$Ultimate##0: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar1_2) (= 2 v_thread2Thread1of1ForFork1_thidvar0_2)) InVars {} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1]" "[75] $Ultimate##0-->L44-1: Formula: (< 0 v_d_4) InVars {d=v_d_4} OutVars{d=v_d_4} AuxVars[] AssignedVars[]" "[72] L26-->L27: Formula: (= (+ v_d_2 v_d_1) 0) InVars {d=v_d_2} OutVars{d=v_d_1} AuxVars[] AssignedVars[d]" "[74] L27-->L24-2: Formula: (= v_g_2 0) InVars {} OutVars{g=v_g_2} AuxVars[] AssignedVars[g]" "[73] L24-2-->L22: Formula: (= v_x2_2 (+ v_x2_3 1)) InVars {x2=v_x2_3} OutVars{x2=v_x2_2} AuxVars[] AssignedVars[x2]" "[68] L22-->L24: Formula: (< v_x2_1 v_w_1) InVars {x2=v_x2_1, w=v_w_1} OutVars{x2=v_x2_1, w=v_w_1} AuxVars[] AssignedVars[]" "[70] L24-->L26: Formula: (< 0 v_g_1) InVars {g=v_g_1} OutVars{g=v_g_1} AuxVars[] AssignedVars[]" [2025-02-17 22:48:49,284 INFO L754 eck$LassoCheckResult]: Loop: "[77] L44-1-->L39: Formula: (< 0 v_f_1) InVars {f=v_f_1} OutVars{f=v_f_1} AuxVars[] AssignedVars[]" "[79] L39-->L40: Formula: (= v_x1_2 (+ v_x1_3 v_d_3)) InVars {x1=v_x1_3, d=v_d_3} OutVars{x1=v_x1_2, d=v_d_3} AuxVars[] AssignedVars[x1]" "[81] L40-->L40-2: Formula: (< v_z_2 v_x1_5) InVars {x1=v_x1_5, z=v_z_2} OutVars{x1=v_x1_5, z=v_z_2} AuxVars[] AssignedVars[]" "[84] L40-2-->L44-1: Formula: (< v_x1_1 v_y_1) InVars {y=v_y_1, x1=v_x1_1} OutVars{y=v_y_1, x1=v_x1_1} AuxVars[] AssignedVars[]" [2025-02-17 22:48:49,284 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:49,285 INFO L85 PathProgramCache]: Analyzing trace with hash -1446037600, now seen corresponding path program 1 times [2025-02-17 22:48:49,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:49,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971798706] [2025-02-17 22:48:49,285 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:48:49,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:49,292 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-02-17 22:48:49,294 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-02-17 22:48:49,294 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:49,294 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:48:49,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-17 22:48:49,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-17 22:48:49,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971798706] [2025-02-17 22:48:49,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971798706] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-17 22:48:49,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-17 22:48:49,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-17 22:48:49,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165994219] [2025-02-17 22:48:49,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-17 22:48:49,312 INFO L757 eck$LassoCheckResult]: stem already infeasible [2025-02-17 22:48:49,313 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:48:49,313 INFO L85 PathProgramCache]: Analyzing trace with hash 3295942, now seen corresponding path program 3 times [2025-02-17 22:48:49,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:48:49,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756931884] [2025-02-17 22:48:49,313 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-17 22:48:49,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:48:49,316 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 4 statements into 1 equivalence classes. [2025-02-17 22:48:49,317 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-17 22:48:49,317 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-02-17 22:48:49,317 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:49,318 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:48:49,318 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-17 22:48:49,319 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-17 22:48:49,319 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:48:49,319 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:48:49,320 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:48:49,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-17 22:48:49,339 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-17 22:48:49,339 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-17 22:48:49,339 INFO L87 Difference]: Start difference. First operand 113 states and 208 transitions. cyclomatic complexity: 106 Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-17 22:48:49,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-17 22:48:49,345 INFO L93 Difference]: Finished difference Result 68 states and 110 transitions. [2025-02-17 22:48:49,346 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 68 states and 110 transitions. [2025-02-17 22:48:49,346 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-02-17 22:48:49,346 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 68 states to 0 states and 0 transitions. [2025-02-17 22:48:49,346 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2025-02-17 22:48:49,346 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2025-02-17 22:48:49,346 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2025-02-17 22:48:49,346 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-17 22:48:49,346 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-17 22:48:49,346 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-17 22:48:49,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-17 22:48:49,348 INFO L432 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-17 22:48:49,348 INFO L338 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2025-02-17 22:48:49,348 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2025-02-17 22:48:49,348 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-02-17 22:48:49,348 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2025-02-17 22:48:49,353 INFO L201 PluginConnector]: Adding new model glswitch.c.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 17.02 10:48:49 BoogieIcfgContainer [2025-02-17 22:48:49,353 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-02-17 22:48:49,353 INFO L158 Benchmark]: Toolchain (without parser) took 3603.95ms. Allocated memory was 159.4MB in the beginning and 142.6MB in the end (delta: -16.8MB). Free memory was 88.2MB in the beginning and 53.8MB in the end (delta: 34.4MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2025-02-17 22:48:49,354 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.22ms. Allocated memory is still 159.4MB. Free memory is still 89.0MB. There was no memory consumed. Max. memory is 8.0GB. [2025-02-17 22:48:49,354 INFO L158 Benchmark]: Boogie Procedure Inliner took 16.24ms. Allocated memory is still 159.4MB. Free memory was 88.2MB in the beginning and 87.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 8.0GB. [2025-02-17 22:48:49,354 INFO L158 Benchmark]: Boogie Preprocessor took 10.26ms. Allocated memory is still 159.4MB. Free memory was 86.8MB in the beginning and 85.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 8.0GB. [2025-02-17 22:48:49,354 INFO L158 Benchmark]: RCFGBuilder took 158.17ms. Allocated memory is still 159.4MB. Free memory was 85.4MB in the beginning and 76.6MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2025-02-17 22:48:49,354 INFO L158 Benchmark]: BuchiAutomizer took 3416.46ms. Allocated memory was 159.4MB in the beginning and 142.6MB in the end (delta: -16.8MB). Free memory was 76.4MB in the beginning and 53.8MB in the end (delta: 22.6MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2025-02-17 22:48:49,355 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 0.22ms. Allocated memory is still 159.4MB. Free memory is still 89.0MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 16.24ms. Allocated memory is still 159.4MB. Free memory was 88.2MB in the beginning and 87.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 10.26ms. Allocated memory is still 159.4MB. Free memory was 86.8MB in the beginning and 85.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 158.17ms. Allocated memory is still 159.4MB. Free memory was 85.4MB in the beginning and 76.6MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * BuchiAutomizer took 3416.46ms. Allocated memory was 159.4MB in the beginning and 142.6MB in the end (delta: -16.8MB). Free memory was 76.4MB in the beginning and 53.8MB in the end (delta: 22.6MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (2 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function w + -1 * x2 and consists of 4 locations. One deterministic module has affine ranking function -1 * d + -1 * x1 + y and consists of 4 locations. One deterministic module has affine ranking function -1 * z + x1 + d and consists of 7 locations. 2 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.3s and 6 iterations. TraceHistogramMax:2. Analysis of lassos took 2.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 4. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 84 StatesRemovedByMinimization, 4 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 126 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 125 mSDsluCounter, 248 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 121 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 85 IncrementalHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 127 mSDtfsCounter, 85 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT1 conc0 concLT0 SILN1 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital35 mio100 ax100 hnf100 lsp59 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq143 hnf95 smp100 dnf100 smp100 tf103 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 19ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 12 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.8s InitialAbstractionConstructionTime: 0.1s InitialAbstraction: Time to compute Ample Reduction [ms]: 181, Trivial Ample Sets caused by loops: 61, Number of non-trivial ample sets: 58, Number of pruned transitions: 36, Number of transitions in reduction automaton: 150, Number of states in reduction automaton: 81, Underlying: - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2025-02-17 22:48:49,365 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2025-02-17 22:48:49,565 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...