/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 -tc ../../../trunk/examples/toolchains/BuchiAutomizerBplInline.xml -i /storage/cav23-termute-examples/2_thr/adfg_2_seq_1.c.bpl -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.ample-buchi-601be74-m [2025-02-17 22:45:19,882 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-17 22:45:19,937 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/buchiAutomizer/concurrent-automaton-noLbe.epf [2025-02-17 22:45:19,944 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-17 22:45:19,945 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-17 22:45:19,966 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-17 22:45:19,967 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-17 22:45:19,967 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-17 22:45:19,967 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-17 22:45:19,967 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-17 22:45:19,967 INFO L153 SettingsManager]: * Use SBE=true [2025-02-17 22:45:19,967 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-02-17 22:45:19,967 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-02-17 22:45:19,968 INFO L153 SettingsManager]: * Use old map elimination=false [2025-02-17 22:45:19,968 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-02-17 22:45:19,968 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-02-17 22:45:19,968 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-02-17 22:45:19,968 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-17 22:45:19,968 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-02-17 22:45:19,968 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-17 22:45:19,968 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-17 22:45:19,968 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-17 22:45:19,968 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-17 22:45:19,968 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-02-17 22:45:19,968 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-02-17 22:45:19,968 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-02-17 22:45:19,968 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-17 22:45:19,968 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-17 22:45:19,970 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-17 22:45:19,970 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-02-17 22:45:19,970 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-17 22:45:19,970 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-02-17 22:45:19,970 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-17 22:45:19,971 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-17 22:45:19,971 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-17 22:45:19,971 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-02-17 22:45:19,971 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR [2025-02-17 22:45:20,196 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-17 22:45:20,202 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-17 22:45:20,204 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-17 22:45:20,205 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2025-02-17 22:45:20,206 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2025-02-17 22:45:20,207 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/cav23-termute-examples/2_thr/adfg_2_seq_1.c.bpl [2025-02-17 22:45:20,208 INFO L110 BoogieParser]: Parsing: '/storage/cav23-termute-examples/2_thr/adfg_2_seq_1.c.bpl' [2025-02-17 22:45:20,224 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-17 22:45:20,225 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2025-02-17 22:45:20,226 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-17 22:45:20,226 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-17 22:45:20,226 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-17 22:45:20,233 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "adfg_2_seq_1.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:45:20" (1/1) ... [2025-02-17 22:45:20,238 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "adfg_2_seq_1.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:45:20" (1/1) ... [2025-02-17 22:45:20,244 INFO L138 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2025-02-17 22:45:20,246 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-17 22:45:20,247 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-17 22:45:20,247 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-17 22:45:20,247 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-17 22:45:20,252 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "adfg_2_seq_1.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:45:20" (1/1) ... [2025-02-17 22:45:20,252 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "adfg_2_seq_1.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:45:20" (1/1) ... [2025-02-17 22:45:20,253 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "adfg_2_seq_1.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:45:20" (1/1) ... [2025-02-17 22:45:20,253 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "adfg_2_seq_1.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:45:20" (1/1) ... [2025-02-17 22:45:20,255 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "adfg_2_seq_1.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:45:20" (1/1) ... [2025-02-17 22:45:20,256 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "adfg_2_seq_1.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:45:20" (1/1) ... [2025-02-17 22:45:20,261 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "adfg_2_seq_1.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:45:20" (1/1) ... [2025-02-17 22:45:20,261 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "adfg_2_seq_1.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:45:20" (1/1) ... [2025-02-17 22:45:20,262 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "adfg_2_seq_1.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:45:20" (1/1) ... [2025-02-17 22:45:20,262 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-17 22:45:20,263 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-02-17 22:45:20,263 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-02-17 22:45:20,263 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-02-17 22:45:20,265 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "adfg_2_seq_1.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:45:20" (1/1) ... [2025-02-17 22:45:20,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:20,280 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:45:20,295 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 22:45:20,300 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 22:45:20,318 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2025-02-17 22:45:20,318 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-02-17 22:45:20,318 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-02-17 22:45:20,318 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2025-02-17 22:45:20,318 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-02-17 22:45:20,318 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-02-17 22:45:20,318 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2025-02-17 22:45:20,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-17 22:45:20,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-17 22:45:20,319 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 22:45:20,357 INFO L234 CfgBuilder]: Building ICFG [2025-02-17 22:45:20,359 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-17 22:45:20,440 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-17 22:45:20,441 INFO L283 CfgBuilder]: Performing block encoding [2025-02-17 22:45:20,452 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-17 22:45:20,452 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-17 22:45:20,453 INFO L201 PluginConnector]: Adding new model adfg_2_seq_1.c.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 10:45:20 BoogieIcfgContainer [2025-02-17 22:45:20,453 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-02-17 22:45:20,453 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-02-17 22:45:20,453 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-02-17 22:45:20,457 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-02-17 22:45:20,458 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-17 22:45:20,458 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "adfg_2_seq_1.c.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.02 10:45:20" (1/2) ... [2025-02-17 22:45:20,459 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@272cadaa and model type adfg_2_seq_1.c.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.02 10:45:20, skipping insertion in model container [2025-02-17 22:45:20,459 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-02-17 22:45:20,459 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "adfg_2_seq_1.c.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 10:45:20" (2/2) ... [2025-02-17 22:45:20,460 INFO L363 chiAutomizerObserver]: Analyzing ICFG adfg_2_seq_1.c.bpl [2025-02-17 22:45:20,508 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-02-17 22:45:20,546 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 39 places, 44 transitions, 102 flow [2025-02-17 22:45:20,568 INFO L124 PetriNetUnfolderBase]: 10/40 cut-off events. [2025-02-17 22:45:20,569 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-02-17 22:45:20,575 INFO L83 FinitePrefix]: Finished finitePrefix Result has 49 conditions, 40 events. 10/40 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 84 event pairs, 0 based on Foata normal form. 0/30 useless extension candidates. Maximal degree in co-relation 38. Up to 4 conditions per place. [2025-02-17 22:45:20,576 INFO L82 GeneralOperation]: Start removeDead. Operand has 39 places, 44 transitions, 102 flow [2025-02-17 22:45:20,580 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 37 places, 40 transitions, 92 flow [2025-02-17 22:45:20,589 INFO L306 stractBuchiCegarLoop]: Interprodecural is true [2025-02-17 22:45:20,589 INFO L307 stractBuchiCegarLoop]: Hoare is None [2025-02-17 22:45:20,590 INFO L308 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2025-02-17 22:45:20,590 INFO L309 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2025-02-17 22:45:20,590 INFO L310 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2025-02-17 22:45:20,590 INFO L311 stractBuchiCegarLoop]: Difference is false [2025-02-17 22:45:20,590 INFO L312 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2025-02-17 22:45:20,590 INFO L316 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2025-02-17 22:45:20,591 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states [2025-02-17 22:45:20,644 INFO L131 ngComponentsAnalysis]: Automaton has 38 accepting balls. 162 [2025-02-17 22:45:20,644 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-17 22:45:20,644 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-17 22:45:20,649 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2025-02-17 22:45:20,650 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-02-17 22:45:20,650 INFO L338 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2025-02-17 22:45:20,650 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 205 states, but on-demand construction may add more states [2025-02-17 22:45:20,657 INFO L131 ngComponentsAnalysis]: Automaton has 38 accepting balls. 162 [2025-02-17 22:45:20,657 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-17 22:45:20,657 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-17 22:45:20,657 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2025-02-17 22:45:20,657 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-02-17 22:45:20,662 INFO L752 eck$LassoCheckResult]: Stem: "[155] $Ultimate##0-->$Ultimate##0: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0]" "[118] $Ultimate##0-->L27: Formula: (<= 1 v_b_1) InVars {b=v_b_1} OutVars{b=v_b_1} AuxVars[] AssignedVars[]" "[120] L27-->L35-2: Formula: (= v_t_1 1) InVars {} OutVars{t=v_t_1} AuxVars[] AssignedVars[t]" [2025-02-17 22:45:20,662 INFO L754 eck$LassoCheckResult]: Loop: "[123] L35-2-->L35: Formula: (<= v_x1_1 v_n_2) InVars {x1=v_x1_1, n=v_n_2} OutVars{x1=v_x1_1, n=v_n_2} AuxVars[] AssignedVars[]" "[125] L35-->L37: Formula: (<= 1 v_b_3) InVars {b=v_b_3} OutVars{b=v_b_3} AuxVars[] AssignedVars[]" "[129] L37-->L35-2: Formula: (= (+ v_x1_3 v_t_3) v_x1_2) InVars {x1=v_x1_3, t=v_t_3} OutVars{x1=v_x1_2, t=v_t_3} AuxVars[] AssignedVars[x1]" [2025-02-17 22:45:20,666 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:45:20,666 INFO L85 PathProgramCache]: Analyzing trace with hash 182524, now seen corresponding path program 1 times [2025-02-17 22:45:20,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:45:20,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766509322] [2025-02-17 22:45:20,672 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:45:20,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:45:20,716 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:45:20,724 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:45:20,724 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:20,725 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:45:20,725 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:45:20,727 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:45:20,728 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:45:20,729 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:20,729 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:45:20,739 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:45:20,741 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:45:20,742 INFO L85 PathProgramCache]: Analyzing trace with hash 151998, now seen corresponding path program 1 times [2025-02-17 22:45:20,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:45:20,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276991204] [2025-02-17 22:45:20,742 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:45:20,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:45:20,746 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:45:20,748 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:45:20,749 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:20,749 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:45:20,749 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:45:20,750 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:45:20,751 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:45:20,752 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:20,752 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:45:20,753 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:45:20,754 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:45:20,754 INFO L85 PathProgramCache]: Analyzing trace with hash 1142727395, now seen corresponding path program 1 times [2025-02-17 22:45:20,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:45:20,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533173363] [2025-02-17 22:45:20,754 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:45:20,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:45:20,757 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-17 22:45:20,760 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-17 22:45:20,760 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:20,760 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:45:20,760 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:45:20,761 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-17 22:45:20,763 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-17 22:45:20,763 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:20,763 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:45:20,764 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:45:20,843 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:45:20,844 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:45:20,844 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:45:20,844 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:45:20,844 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-02-17 22:45:20,844 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:20,845 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:45:20,845 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:45:20,845 INFO L132 ssoRankerPreferences]: Filename of dumped script: adfg_2_seq_1.c.bpl_petrified1_Iteration1_Lasso [2025-02-17 22:45:20,845 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:45:20,845 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:45:20,854 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:45:20,864 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:45:20,868 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:45:20,918 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:45:20,918 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-02-17 22:45:20,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:20,919 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:45:20,922 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 22:45:20,924 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 22:45:20,926 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:45:20,926 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:45:20,948 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:45:20,948 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {b=1} Honda state: {b=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:45:20,955 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 22:45:20,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:20,955 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:45:20,959 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 22:45:20,960 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 22:45:20,962 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:45:20,962 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:45:20,977 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:45:20,977 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 22:45:20,982 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2025-02-17 22:45:20,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:20,983 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:45:20,984 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 22:45:20,985 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 22:45:20,986 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:45:20,986 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:45:21,004 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 22:45:21,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:21,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:45:21,007 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 22:45:21,008 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 22:45:21,009 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-02-17 22:45:21,009 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:45:21,154 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-02-17 22:45:21,160 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2025-02-17 22:45:21,160 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:45:21,160 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:45:21,160 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:45:21,160 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:45:21,160 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-17 22:45:21,160 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:21,160 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:45:21,160 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:45:21,160 INFO L132 ssoRankerPreferences]: Filename of dumped script: adfg_2_seq_1.c.bpl_petrified1_Iteration1_Lasso [2025-02-17 22:45:21,160 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:45:21,160 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:45:21,161 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:45:21,170 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:45:21,178 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:45:21,220 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:45:21,223 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-17 22:45:21,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:21,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:45:21,226 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 22:45:21,227 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 22:45:21,229 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 22:45:21,241 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:45:21,242 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:45:21,242 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:45:21,242 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:45:21,248 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:45:21,248 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:45:21,277 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:45:21,283 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 22:45:21,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:21,286 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:45:21,288 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 22:45:21,290 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 22:45:21,291 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 22:45:21,302 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:45:21,303 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:45:21,303 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:45:21,303 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:45:21,307 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:45:21,307 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:45:21,319 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-17 22:45:21,324 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2025-02-17 22:45:21,324 INFO L444 ModelExtractionUtils]: 5 out of 13 variables were initially zero. Simplification set additionally 0 variables to zero. [2025-02-17 22:45:21,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:21,326 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:45:21,328 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 22:45:21,330 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 22:45:21,332 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-17 22:45:21,344 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2025-02-17 22:45:21,344 INFO L474 LassoAnalysis]: Proved termination. [2025-02-17 22:45:21,344 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(t, x1, n) = 1*t - 2*x1 + 2*n Supporting invariants [1*t - 1 >= 0] [2025-02-17 22:45:21,350 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2025-02-17 22:45:21,358 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2025-02-17 22:45:21,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:45:21,396 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:45:21,397 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:45:21,398 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:21,398 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:45:21,399 INFO L256 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-17 22:45:21,399 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:45:21,412 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:45:21,413 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:45:21,413 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:21,413 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:45:21,413 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-17 22:45:21,414 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:45:21,449 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 22:45:21,478 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 22:45:21,485 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 22:45:21,489 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand currently 205 states, but on-demand construction may add more states Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-17 22:45:21,672 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand currently 205 states, but on-demand construction may add more states. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 779 states and 2040 transitions. Complement of second has 8 states. [2025-02-17 22:45:21,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 2 accepting loop states [2025-02-17 22:45:21,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-17 22:45:21,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 104 transitions. [2025-02-17 22:45:21,681 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 104 transitions. Stem has 3 letters. Loop has 3 letters. [2025-02-17 22:45:21,682 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:45:21,682 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 104 transitions. Stem has 6 letters. Loop has 3 letters. [2025-02-17 22:45:21,682 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:45:21,682 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 104 transitions. Stem has 3 letters. Loop has 6 letters. [2025-02-17 22:45:21,682 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:45:21,683 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 779 states and 2040 transitions. [2025-02-17 22:45:21,696 INFO L131 ngComponentsAnalysis]: Automaton has 102 accepting balls. 426 [2025-02-17 22:45:21,703 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 779 states to 622 states and 1649 transitions. [2025-02-17 22:45:21,704 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 525 [2025-02-17 22:45:21,710 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 575 [2025-02-17 22:45:21,710 INFO L73 IsDeterministic]: Start isDeterministic. Operand 622 states and 1649 transitions. [2025-02-17 22:45:21,711 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-17 22:45:21,711 INFO L218 hiAutomatonCegarLoop]: Abstraction has 622 states and 1649 transitions. [2025-02-17 22:45:21,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 622 states and 1649 transitions. [2025-02-17 22:45:21,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 622 to 295. [2025-02-17 22:45:21,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 295 states have (on average 2.7389830508474575) internal successors, (808), 294 states have internal predecessors, (808), 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 22:45:21,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 808 transitions. [2025-02-17 22:45:21,744 INFO L240 hiAutomatonCegarLoop]: Abstraction has 295 states and 808 transitions. [2025-02-17 22:45:21,744 INFO L432 stractBuchiCegarLoop]: Abstraction has 295 states and 808 transitions. [2025-02-17 22:45:21,744 INFO L338 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2025-02-17 22:45:21,744 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 295 states and 808 transitions. [2025-02-17 22:45:21,746 INFO L131 ngComponentsAnalysis]: Automaton has 44 accepting balls. 180 [2025-02-17 22:45:21,746 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-17 22:45:21,746 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-17 22:45:21,746 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2025-02-17 22:45:21,746 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-02-17 22:45:21,747 INFO L752 eck$LassoCheckResult]: Stem: "[155] $Ultimate##0-->$Ultimate##0: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0]" "[119] $Ultimate##0-->L31: Formula: (< v_b_2 1) InVars {b=v_b_2} OutVars{b=v_b_2} AuxVars[] AssignedVars[]" "[121] L31-->L35-2: Formula: (= (+ v_t_2 1) 0) InVars {} OutVars{t=v_t_2} AuxVars[] AssignedVars[t]" [2025-02-17 22:45:21,747 INFO L754 eck$LassoCheckResult]: Loop: "[123] L35-2-->L35: Formula: (<= v_x1_1 v_n_2) InVars {x1=v_x1_1, n=v_n_2} OutVars{x1=v_x1_1, n=v_n_2} AuxVars[] AssignedVars[]" "[125] L35-->L37: Formula: (<= 1 v_b_3) InVars {b=v_b_3} OutVars{b=v_b_3} AuxVars[] AssignedVars[]" "[129] L37-->L35-2: Formula: (= (+ v_x1_3 v_t_3) v_x1_2) InVars {x1=v_x1_3, t=v_t_3} OutVars{x1=v_x1_2, t=v_t_3} AuxVars[] AssignedVars[x1]" [2025-02-17 22:45:21,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:45:21,747 INFO L85 PathProgramCache]: Analyzing trace with hash 182556, now seen corresponding path program 1 times [2025-02-17 22:45:21,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:45:21,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472235465] [2025-02-17 22:45:21,747 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:45:21,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:45:21,749 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:45:21,750 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:45:21,750 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:21,750 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:45:21,750 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:45:21,750 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:45:21,751 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:45:21,751 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:21,751 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:45:21,752 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:45:21,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:45:21,752 INFO L85 PathProgramCache]: Analyzing trace with hash 151998, now seen corresponding path program 2 times [2025-02-17 22:45:21,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:45:21,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046319211] [2025-02-17 22:45:21,752 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-17 22:45:21,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:45:21,754 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:45:21,755 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:45:21,755 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-17 22:45:21,755 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:45:21,755 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:45:21,756 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:45:21,757 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:45:21,757 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:21,757 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:45:21,757 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:45:21,758 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:45:21,758 INFO L85 PathProgramCache]: Analyzing trace with hash 1143680707, now seen corresponding path program 1 times [2025-02-17 22:45:21,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:45:21,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629659919] [2025-02-17 22:45:21,758 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:45:21,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:45:21,761 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-17 22:45:21,764 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-17 22:45:21,764 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:21,764 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:45:21,786 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 22:45:21,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-17 22:45:21,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629659919] [2025-02-17 22:45:21,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1629659919] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-17 22:45:21,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-17 22:45:21,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-17 22:45:21,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083627943] [2025-02-17 22:45:21,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-17 22:45:21,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-17 22:45:21,808 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-17 22:45:21,808 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-17 22:45:21,809 INFO L87 Difference]: Start difference. First operand 295 states and 808 transitions. cyclomatic complexity: 565 Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-17 22:45:21,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-17 22:45:21,845 INFO L93 Difference]: Finished difference Result 427 states and 1103 transitions. [2025-02-17 22:45:21,845 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 427 states and 1103 transitions. [2025-02-17 22:45:21,851 INFO L131 ngComponentsAnalysis]: Automaton has 83 accepting balls. 251 [2025-02-17 22:45:21,854 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 427 states to 413 states and 1046 transitions. [2025-02-17 22:45:21,854 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 356 [2025-02-17 22:45:21,856 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 369 [2025-02-17 22:45:21,856 INFO L73 IsDeterministic]: Start isDeterministic. Operand 413 states and 1046 transitions. [2025-02-17 22:45:21,856 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-17 22:45:21,856 INFO L218 hiAutomatonCegarLoop]: Abstraction has 413 states and 1046 transitions. [2025-02-17 22:45:21,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states and 1046 transitions. [2025-02-17 22:45:21,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 364. [2025-02-17 22:45:21,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 364 states, 364 states have (on average 2.541208791208791) internal successors, (925), 363 states have internal predecessors, (925), 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 22:45:21,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 925 transitions. [2025-02-17 22:45:21,872 INFO L240 hiAutomatonCegarLoop]: Abstraction has 364 states and 925 transitions. [2025-02-17 22:45:21,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-17 22:45:21,874 INFO L432 stractBuchiCegarLoop]: Abstraction has 364 states and 925 transitions. [2025-02-17 22:45:21,874 INFO L338 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2025-02-17 22:45:21,874 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 364 states and 925 transitions. [2025-02-17 22:45:21,876 INFO L131 ngComponentsAnalysis]: Automaton has 72 accepting balls. 225 [2025-02-17 22:45:21,876 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-17 22:45:21,876 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-17 22:45:21,876 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2025-02-17 22:45:21,876 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-02-17 22:45:21,876 INFO L752 eck$LassoCheckResult]: Stem: "[155] $Ultimate##0-->$Ultimate##0: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0]" "[119] $Ultimate##0-->L31: Formula: (< v_b_2 1) InVars {b=v_b_2} OutVars{b=v_b_2} AuxVars[] AssignedVars[]" "[121] L31-->L35-2: Formula: (= (+ v_t_2 1) 0) InVars {} OutVars{t=v_t_2} AuxVars[] AssignedVars[t]" [2025-02-17 22:45:21,876 INFO L754 eck$LassoCheckResult]: Loop: "[123] L35-2-->L35: Formula: (<= v_x1_1 v_n_2) InVars {x1=v_x1_1, n=v_n_2} OutVars{x1=v_x1_1, n=v_n_2} AuxVars[] AssignedVars[]" "[126] L35-->L41: Formula: (< v_b_4 1) InVars {b=v_b_4} OutVars{b=v_b_4} AuxVars[] AssignedVars[]" "[130] L41-->L35-2: Formula: (= (+ v_x1_4 v_t_4) v_x1_5) InVars {x1=v_x1_5, t=v_t_4} OutVars{x1=v_x1_4, t=v_t_4} AuxVars[] AssignedVars[x1]" [2025-02-17 22:45:21,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:45:21,877 INFO L85 PathProgramCache]: Analyzing trace with hash 182556, now seen corresponding path program 2 times [2025-02-17 22:45:21,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:45:21,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481475103] [2025-02-17 22:45:21,877 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-17 22:45:21,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:45:21,878 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:45:21,879 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:45:21,879 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-17 22:45:21,879 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:45:21,879 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:45:21,880 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:45:21,880 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:45:21,880 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:21,880 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:45:21,881 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:45:21,881 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:45:21,881 INFO L85 PathProgramCache]: Analyzing trace with hash 152030, now seen corresponding path program 1 times [2025-02-17 22:45:21,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:45:21,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056473041] [2025-02-17 22:45:21,881 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:45:21,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:45:21,883 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:45:21,884 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:45:21,884 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:21,884 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:45:21,884 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:45:21,884 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:45:21,885 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:45:21,885 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:21,885 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:45:21,886 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:45:21,886 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:45:21,886 INFO L85 PathProgramCache]: Analyzing trace with hash 1143680739, now seen corresponding path program 1 times [2025-02-17 22:45:21,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:45:21,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538558764] [2025-02-17 22:45:21,886 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:45:21,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:45:21,887 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-17 22:45:21,888 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-17 22:45:21,889 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:21,889 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:45:21,889 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:45:21,889 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-17 22:45:21,890 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-17 22:45:21,890 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:21,890 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:45:21,891 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:45:21,919 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:45:21,919 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:45:21,919 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:45:21,919 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:45:21,919 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-02-17 22:45:21,919 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:21,919 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:45:21,919 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:45:21,919 INFO L132 ssoRankerPreferences]: Filename of dumped script: adfg_2_seq_1.c.bpl_petrified1_Iteration3_Lasso [2025-02-17 22:45:21,919 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:45:21,919 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:45:21,920 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:45:21,923 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:45:21,925 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:45:21,959 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:45:21,959 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-02-17 22:45:21,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:21,959 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:45:21,962 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 22:45:21,963 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 22:45:21,964 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:45:21,964 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:45:21,974 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:45:21,975 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 22:45:21,981 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2025-02-17 22:45:21,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:21,981 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:45:21,983 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 22:45:21,983 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 22:45:21,984 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:45:21,984 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:45:22,000 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:45:22,000 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {b=0} Honda state: {b=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:45:22,005 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 22:45:22,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:22,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:45:22,007 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 22:45:22,007 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 22:45:22,008 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:45:22,009 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:45:22,024 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2025-02-17 22:45:22,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:22,025 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:45:22,026 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 22:45:22,027 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 22:45:22,027 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-02-17 22:45:22,027 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:45:22,172 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-02-17 22:45:22,177 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2025-02-17 22:45:22,177 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:45:22,177 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:45:22,177 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:45:22,177 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:45:22,177 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-17 22:45:22,177 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:22,177 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:45:22,177 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:45:22,177 INFO L132 ssoRankerPreferences]: Filename of dumped script: adfg_2_seq_1.c.bpl_petrified1_Iteration3_Lasso [2025-02-17 22:45:22,177 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:45:22,177 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:45:22,178 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:45:22,186 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:45:22,192 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:45:22,220 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:45:22,220 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-17 22:45:22,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:22,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:45:22,222 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 22:45:22,223 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 22:45:22,224 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-17 22:45:22,234 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:45:22,234 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:45:22,234 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:45:22,234 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:45:22,236 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:45:22,236 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:45:22,239 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:45:22,244 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 22:45:22,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:22,244 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:45:22,245 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 22:45:22,247 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 22:45:22,248 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-17 22:45:22,257 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:45:22,258 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:45:22,258 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:45:22,258 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:45:22,260 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:45:22,260 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:45:22,263 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:45:22,268 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 22:45:22,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:22,269 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:45:22,270 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 22:45:22,271 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 22:45:22,273 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 22:45:22,283 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:45:22,283 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:45:22,283 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:45:22,283 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:45:22,288 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:45:22,288 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:45:22,292 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-17 22:45:22,298 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2025-02-17 22:45:22,298 INFO L444 ModelExtractionUtils]: 6 out of 13 variables were initially zero. Simplification set additionally 1 variables to zero. [2025-02-17 22:45:22,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:22,299 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:45:22,300 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 22:45:22,302 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 22:45:22,303 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-17 22:45:22,314 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2025-02-17 22:45:22,314 INFO L474 LassoAnalysis]: Proved termination. [2025-02-17 22:45:22,314 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(n, x1) = 2*n - 2*x1 + 1 Supporting invariants [-1*t - 1 >= 0] [2025-02-17 22:45:22,322 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2025-02-17 22:45:22,325 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2025-02-17 22:45:22,349 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:45:22,355 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:45:22,356 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:45:22,356 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:22,356 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:45:22,357 INFO L256 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-17 22:45:22,357 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:45:22,364 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:45:22,365 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:45:22,365 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:22,365 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:45:22,365 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-17 22:45:22,366 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:45:22,392 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 22:45:22,392 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 22:45:22,393 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 364 states and 925 transitions. cyclomatic complexity: 642 Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-17 22:45:22,474 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 364 states and 925 transitions. cyclomatic complexity: 642. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 761 states and 1899 transitions. Complement of second has 7 states. [2025-02-17 22:45:22,475 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 22:45:22,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-17 22:45:22,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 90 transitions. [2025-02-17 22:45:22,476 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 90 transitions. Stem has 3 letters. Loop has 3 letters. [2025-02-17 22:45:22,476 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:45:22,476 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 90 transitions. Stem has 6 letters. Loop has 3 letters. [2025-02-17 22:45:22,476 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:45:22,476 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 90 transitions. Stem has 3 letters. Loop has 6 letters. [2025-02-17 22:45:22,476 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:45:22,476 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 761 states and 1899 transitions. [2025-02-17 22:45:22,481 INFO L131 ngComponentsAnalysis]: Automaton has 124 accepting balls. 396 [2025-02-17 22:45:22,486 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 761 states to 654 states and 1634 transitions. [2025-02-17 22:45:22,486 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 533 [2025-02-17 22:45:22,486 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 565 [2025-02-17 22:45:22,487 INFO L73 IsDeterministic]: Start isDeterministic. Operand 654 states and 1634 transitions. [2025-02-17 22:45:22,487 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-17 22:45:22,487 INFO L218 hiAutomatonCegarLoop]: Abstraction has 654 states and 1634 transitions. [2025-02-17 22:45:22,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 654 states and 1634 transitions. [2025-02-17 22:45:22,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 654 to 450. [2025-02-17 22:45:22,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 450 states have (on average 2.5955555555555554) internal successors, (1168), 449 states have internal predecessors, (1168), 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 22:45:22,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 1168 transitions. [2025-02-17 22:45:22,500 INFO L240 hiAutomatonCegarLoop]: Abstraction has 450 states and 1168 transitions. [2025-02-17 22:45:22,500 INFO L432 stractBuchiCegarLoop]: Abstraction has 450 states and 1168 transitions. [2025-02-17 22:45:22,500 INFO L338 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2025-02-17 22:45:22,500 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 450 states and 1168 transitions. [2025-02-17 22:45:22,503 INFO L131 ngComponentsAnalysis]: Automaton has 78 accepting balls. 240 [2025-02-17 22:45:22,503 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-17 22:45:22,503 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-17 22:45:22,503 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2025-02-17 22:45:22,503 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-02-17 22:45:22,503 INFO L752 eck$LassoCheckResult]: Stem: "[155] $Ultimate##0-->$Ultimate##0: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0]" "[158] L16-->$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]" "[139] $Ultimate##0-->L67: Formula: (<= 1 v_b_7) InVars {b=v_b_7} OutVars{b=v_b_7} AuxVars[] AssignedVars[]" "[141] L67-->L75-2: Formula: (= v_t_6 1) InVars {} OutVars{t=v_t_6} AuxVars[] AssignedVars[t]" [2025-02-17 22:45:22,503 INFO L754 eck$LassoCheckResult]: Loop: "[144] L75-2-->L75: Formula: (<= v_x2_2 v_n_6) InVars {x2=v_x2_2, n=v_n_6} OutVars{x2=v_x2_2, n=v_n_6} AuxVars[] AssignedVars[]" "[147] L75-->L77: Formula: (<= 1 v_b_9) InVars {b=v_b_9} OutVars{b=v_b_9} AuxVars[] AssignedVars[]" "[151] L77-->L75-2: Formula: (= v_x2_3 (+ v_x2_4 v_t_8)) InVars {t=v_t_8, x2=v_x2_4} OutVars{t=v_t_8, x2=v_x2_3} AuxVars[] AssignedVars[x2]" [2025-02-17 22:45:22,504 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:45:22,504 INFO L85 PathProgramCache]: Analyzing trace with hash 5697414, now seen corresponding path program 1 times [2025-02-17 22:45:22,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:45:22,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959232074] [2025-02-17 22:45:22,504 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:45:22,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:45:22,507 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-17 22:45:22,508 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-17 22:45:22,508 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:22,508 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:45:22,508 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:45:22,509 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-17 22:45:22,510 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-17 22:45:22,510 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:22,510 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:45:22,510 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:45:22,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:45:22,511 INFO L85 PathProgramCache]: Analyzing trace with hash 172883, now seen corresponding path program 1 times [2025-02-17 22:45:22,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:45:22,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900317885] [2025-02-17 22:45:22,511 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:45:22,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:45:22,512 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:45:22,512 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:45:22,512 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:22,512 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:45:22,512 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:45:22,513 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:45:22,513 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:45:22,513 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:22,514 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:45:22,514 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:45:22,514 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:45:22,514 INFO L85 PathProgramCache]: Analyzing trace with hash -2066888274, now seen corresponding path program 1 times [2025-02-17 22:45:22,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:45:22,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891130112] [2025-02-17 22:45:22,514 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:45:22,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:45:22,515 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-17 22:45:22,521 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-17 22:45:22,521 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:22,521 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:45:22,521 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:45:22,521 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-17 22:45:22,522 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-17 22:45:22,523 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:22,523 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:45:22,523 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:45:22,570 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:45:22,570 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:45:22,570 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:45:22,570 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:45:22,570 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-02-17 22:45:22,570 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:22,570 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:45:22,570 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:45:22,570 INFO L132 ssoRankerPreferences]: Filename of dumped script: adfg_2_seq_1.c.bpl_petrified1_Iteration4_Lasso [2025-02-17 22:45:22,570 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:45:22,570 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:45:22,571 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:45:22,575 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:45:22,581 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:45:22,586 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:45:22,589 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:45:22,652 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:45:22,652 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-02-17 22:45:22,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:22,653 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:45:22,655 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 22:45:22,659 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 22:45:22,660 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 22:45:22,661 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:45:22,662 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:45:22,672 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:45:22,672 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 22:45:22,678 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2025-02-17 22:45:22,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:22,678 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:45:22,680 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 22:45:22,681 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 22:45:22,683 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:45:22,683 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:45:22,693 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:45:22,693 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 22:45:22,698 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 22:45:22,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:22,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:45:22,700 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 22:45:22,701 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 22:45:22,701 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:45:22,702 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:45:22,717 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2025-02-17 22:45:22,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:22,718 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:45:22,719 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 22:45:22,721 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 22:45:22,722 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-02-17 22:45:22,722 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:45:22,855 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-02-17 22:45:22,861 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2025-02-17 22:45:22,861 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:45:22,861 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:45:22,861 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:45:22,861 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:45:22,861 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-17 22:45:22,861 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:22,861 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:45:22,861 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:45:22,861 INFO L132 ssoRankerPreferences]: Filename of dumped script: adfg_2_seq_1.c.bpl_petrified1_Iteration4_Lasso [2025-02-17 22:45:22,861 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:45:22,861 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:45:22,863 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:45:22,866 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:45:22,868 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:45:22,873 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:45:22,879 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:45:22,918 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:45:22,918 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-17 22:45:22,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:22,918 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:45:22,920 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 22:45:22,921 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 22:45:22,922 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 22:45:22,931 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:45:22,931 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:45:22,931 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:45:22,931 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:45:22,933 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:45:22,933 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:45:22,935 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:45:22,940 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 22:45:22,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:22,940 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:45:22,982 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 22:45:22,983 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 22:45:22,984 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-17 22:45:22,993 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:45:22,993 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:45:22,993 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:45:22,993 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:45:22,995 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:45:22,995 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:45:22,998 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:45:23,003 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2025-02-17 22:45:23,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:23,003 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:45:23,005 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 22:45:23,006 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 22:45:23,007 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 22:45:23,016 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:45:23,016 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:45:23,016 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:45:23,016 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:45:23,018 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:45:23,018 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:45:23,022 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-17 22:45:23,029 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2025-02-17 22:45:23,029 INFO L444 ModelExtractionUtils]: 5 out of 13 variables were initially zero. Simplification set additionally 0 variables to zero. [2025-02-17 22:45:23,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:23,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:45:23,031 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 22:45:23,032 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 22:45:23,032 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-17 22:45:23,043 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2025-02-17 22:45:23,043 INFO L474 LassoAnalysis]: Proved termination. [2025-02-17 22:45:23,043 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(n, t, x2) = 2*n + 1*t - 2*x2 Supporting invariants [1*t - 1 >= 0] [2025-02-17 22:45:23,048 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2025-02-17 22:45:23,050 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2025-02-17 22:45:23,069 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:45:23,073 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-17 22:45:23,075 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-17 22:45:23,075 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:23,075 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:45:23,075 INFO L256 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-17 22:45:23,075 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:45:23,081 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:45:23,081 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:45:23,081 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:23,081 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:45:23,082 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-17 22:45:23,082 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:45:23,104 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 22:45:23,104 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 22:45:23,104 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 450 states and 1168 transitions. cyclomatic complexity: 814 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 22:45:23,208 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 450 states and 1168 transitions. cyclomatic complexity: 814. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 1123 states and 3086 transitions. Complement of second has 8 states. [2025-02-17 22:45:23,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 2 accepting loop states [2025-02-17 22:45:23,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 22:45:23,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 111 transitions. [2025-02-17 22:45:23,209 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 111 transitions. Stem has 4 letters. Loop has 3 letters. [2025-02-17 22:45:23,209 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:45:23,209 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 111 transitions. Stem has 7 letters. Loop has 3 letters. [2025-02-17 22:45:23,209 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:45:23,209 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 111 transitions. Stem has 4 letters. Loop has 6 letters. [2025-02-17 22:45:23,209 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:45:23,209 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1123 states and 3086 transitions. [2025-02-17 22:45:23,216 INFO L131 ngComponentsAnalysis]: Automaton has 133 accepting balls. 397 [2025-02-17 22:45:23,221 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1123 states to 947 states and 2503 transitions. [2025-02-17 22:45:23,221 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 614 [2025-02-17 22:45:23,222 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 711 [2025-02-17 22:45:23,222 INFO L73 IsDeterministic]: Start isDeterministic. Operand 947 states and 2503 transitions. [2025-02-17 22:45:23,222 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-17 22:45:23,222 INFO L218 hiAutomatonCegarLoop]: Abstraction has 947 states and 2503 transitions. [2025-02-17 22:45:23,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 947 states and 2503 transitions. [2025-02-17 22:45:23,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 947 to 560. [2025-02-17 22:45:23,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 560 states, 560 states have (on average 2.675) internal successors, (1498), 559 states have internal predecessors, (1498), 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 22:45:23,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 1498 transitions. [2025-02-17 22:45:23,234 INFO L240 hiAutomatonCegarLoop]: Abstraction has 560 states and 1498 transitions. [2025-02-17 22:45:23,234 INFO L432 stractBuchiCegarLoop]: Abstraction has 560 states and 1498 transitions. [2025-02-17 22:45:23,234 INFO L338 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2025-02-17 22:45:23,234 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 560 states and 1498 transitions. [2025-02-17 22:45:23,236 INFO L131 ngComponentsAnalysis]: Automaton has 74 accepting balls. 216 [2025-02-17 22:45:23,236 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-17 22:45:23,236 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-17 22:45:23,236 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2025-02-17 22:45:23,236 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-02-17 22:45:23,237 INFO L752 eck$LassoCheckResult]: Stem: "[155] $Ultimate##0-->$Ultimate##0: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0]" "[158] L16-->$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]" "[140] $Ultimate##0-->L71: Formula: (< v_b_8 1) InVars {b=v_b_8} OutVars{b=v_b_8} AuxVars[] AssignedVars[]" "[142] L71-->L75-2: Formula: (= (+ v_t_7 1) 0) InVars {} OutVars{t=v_t_7} AuxVars[] AssignedVars[t]" [2025-02-17 22:45:23,237 INFO L754 eck$LassoCheckResult]: Loop: "[144] L75-2-->L75: Formula: (<= v_x2_2 v_n_6) InVars {x2=v_x2_2, n=v_n_6} OutVars{x2=v_x2_2, n=v_n_6} AuxVars[] AssignedVars[]" "[148] L75-->L81: Formula: (< v_b_10 1) InVars {b=v_b_10} OutVars{b=v_b_10} AuxVars[] AssignedVars[]" "[152] L81-->L75-2: Formula: (= v_x2_6 (+ v_x2_5 v_t_9)) InVars {t=v_t_9, x2=v_x2_6} OutVars{t=v_t_9, x2=v_x2_5} AuxVars[] AssignedVars[x2]" [2025-02-17 22:45:23,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:45:23,237 INFO L85 PathProgramCache]: Analyzing trace with hash 5697446, now seen corresponding path program 1 times [2025-02-17 22:45:23,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:45:23,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37376425] [2025-02-17 22:45:23,237 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:45:23,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:45:23,239 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-17 22:45:23,240 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-17 22:45:23,240 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:23,240 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:45:23,240 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:45:23,240 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-17 22:45:23,241 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-17 22:45:23,241 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:23,241 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:45:23,242 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:45:23,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:45:23,242 INFO L85 PathProgramCache]: Analyzing trace with hash 172915, now seen corresponding path program 1 times [2025-02-17 22:45:23,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:45:23,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39272560] [2025-02-17 22:45:23,242 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:45:23,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:45:23,243 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:45:23,244 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:45:23,244 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:23,244 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:45:23,244 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:45:23,244 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:45:23,245 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:45:23,245 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:23,245 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:45:23,245 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:45:23,245 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:45:23,246 INFO L85 PathProgramCache]: Analyzing trace with hash -2065934930, now seen corresponding path program 1 times [2025-02-17 22:45:23,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:45:23,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352369394] [2025-02-17 22:45:23,246 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:45:23,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:45:23,247 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-17 22:45:23,248 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-17 22:45:23,248 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:23,248 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:45:23,248 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:45:23,248 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-17 22:45:23,249 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-17 22:45:23,249 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:23,249 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:45:23,250 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:45:23,284 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:45:23,285 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:45:23,285 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:45:23,285 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:45:23,285 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-02-17 22:45:23,285 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:23,285 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:45:23,285 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:45:23,285 INFO L132 ssoRankerPreferences]: Filename of dumped script: adfg_2_seq_1.c.bpl_petrified1_Iteration5_Lasso [2025-02-17 22:45:23,285 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:45:23,285 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:45:23,285 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:45:23,289 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:45:23,291 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:45:23,293 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:45:23,294 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:45:23,331 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:45:23,331 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-02-17 22:45:23,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:23,332 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:45:23,333 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 22:45:23,336 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 22:45:23,337 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:45:23,337 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:45:23,347 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:45:23,347 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 22:45:23,352 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 22:45:23,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:23,352 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:45:23,374 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 22:45:23,375 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 22:45:23,376 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:45:23,376 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:45:23,386 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:45:23,386 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 22:45:23,391 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 22:45:23,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:23,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:45:23,393 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 22:45:23,393 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 22:45:23,394 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:45:23,394 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:45:23,410 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:45:23,410 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {b=0} Honda state: {b=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:45:23,415 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2025-02-17 22:45:23,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:23,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:45:23,417 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 22:45:23,419 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 22:45:23,420 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:45:23,420 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:45:23,430 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:45:23,430 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 22:45:23,435 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 22:45:23,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:23,437 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:45:23,438 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 22:45:23,439 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 22:45:23,441 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:45:23,441 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:45:23,458 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2025-02-17 22:45:23,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:23,459 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:45:23,461 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 22:45:23,462 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 22:45:23,463 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-02-17 22:45:23,463 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:45:23,582 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-02-17 22:45:23,588 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2025-02-17 22:45:23,588 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:45:23,588 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:45:23,588 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:45:23,588 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:45:23,588 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-17 22:45:23,588 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:23,588 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:45:23,588 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:45:23,588 INFO L132 ssoRankerPreferences]: Filename of dumped script: adfg_2_seq_1.c.bpl_petrified1_Iteration5_Lasso [2025-02-17 22:45:23,589 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:45:23,589 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:45:23,589 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:45:23,594 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:45:23,596 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:45:23,597 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:45:23,602 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:45:23,644 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:45:23,645 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-17 22:45:23,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:23,645 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:45:23,646 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 22:45:23,647 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 22:45:23,648 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 22:45:23,657 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:45:23,658 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:45:23,658 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:45:23,658 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:45:23,659 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:45:23,660 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:45:23,663 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-17 22:45:23,667 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2025-02-17 22:45:23,667 INFO L444 ModelExtractionUtils]: 6 out of 13 variables were initially zero. Simplification set additionally 1 variables to zero. [2025-02-17 22:45:23,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:23,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:45:23,669 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 22:45:23,671 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 22:45:23,672 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-17 22:45:23,683 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2025-02-17 22:45:23,683 INFO L474 LassoAnalysis]: Proved termination. [2025-02-17 22:45:23,683 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(n, x2) = 2*n - 2*x2 + 1 Supporting invariants [-1*t - 1 >= 0] [2025-02-17 22:45:23,688 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2025-02-17 22:45:23,691 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2025-02-17 22:45:23,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:45:23,717 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-17 22:45:23,718 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-17 22:45:23,718 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:23,718 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:45:23,719 INFO L256 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-17 22:45:23,719 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:45:23,727 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:45:23,728 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:45:23,728 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:23,728 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:45:23,728 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-17 22:45:23,729 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:45:23,747 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 22:45:23,748 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 22:45:23,748 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 560 states and 1498 transitions. cyclomatic complexity: 1048 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 22:45:23,814 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 560 states and 1498 transitions. cyclomatic complexity: 1048. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 1103 states and 2989 transitions. Complement of second has 7 states. [2025-02-17 22:45:23,814 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 22:45:23,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 22:45:23,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 102 transitions. [2025-02-17 22:45:23,815 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 102 transitions. Stem has 4 letters. Loop has 3 letters. [2025-02-17 22:45:23,815 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:45:23,815 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 102 transitions. Stem has 7 letters. Loop has 3 letters. [2025-02-17 22:45:23,815 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:45:23,815 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 102 transitions. Stem has 4 letters. Loop has 6 letters. [2025-02-17 22:45:23,816 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:45:23,816 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1103 states and 2989 transitions. [2025-02-17 22:45:23,833 INFO L131 ngComponentsAnalysis]: Automaton has 122 accepting balls. 367 [2025-02-17 22:45:23,835 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 22:45:23,842 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2025-02-17 22:45:23,843 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1103 states to 972 states and 2599 transitions. [2025-02-17 22:45:23,843 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 593 [2025-02-17 22:45:23,844 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 644 [2025-02-17 22:45:23,844 INFO L73 IsDeterministic]: Start isDeterministic. Operand 972 states and 2599 transitions. [2025-02-17 22:45:23,844 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-17 22:45:23,844 INFO L218 hiAutomatonCegarLoop]: Abstraction has 972 states and 2599 transitions. [2025-02-17 22:45:23,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 972 states and 2599 transitions. [2025-02-17 22:45:23,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 972 to 747. [2025-02-17 22:45:23,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 747 states, 747 states have (on average 2.7322623828647923) internal successors, (2041), 746 states have internal predecessors, (2041), 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 22:45:23,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 747 states and 2041 transitions. [2025-02-17 22:45:23,857 INFO L240 hiAutomatonCegarLoop]: Abstraction has 747 states and 2041 transitions. [2025-02-17 22:45:23,857 INFO L432 stractBuchiCegarLoop]: Abstraction has 747 states and 2041 transitions. [2025-02-17 22:45:23,857 INFO L338 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2025-02-17 22:45:23,857 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 747 states and 2041 transitions. [2025-02-17 22:45:23,860 INFO L131 ngComponentsAnalysis]: Automaton has 82 accepting balls. 237 [2025-02-17 22:45:23,860 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-17 22:45:23,860 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-17 22:45:23,861 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2025-02-17 22:45:23,861 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-02-17 22:45:23,862 INFO L752 eck$LassoCheckResult]: Stem: "[155] $Ultimate##0-->$Ultimate##0: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0]" "[118] $Ultimate##0-->L27: Formula: (<= 1 v_b_1) InVars {b=v_b_1} OutVars{b=v_b_1} AuxVars[] AssignedVars[]" "[120] L27-->L35-2: Formula: (= v_t_1 1) InVars {} OutVars{t=v_t_1} AuxVars[] AssignedVars[t]" "[122] L35-2-->L44: Formula: (< v_n_3 v_x1_6) InVars {x1=v_x1_6, n=v_n_3} OutVars{x1=v_x1_6, n=v_n_3} AuxVars[] AssignedVars[]" "[124] L44-->L47-2: Formula: (= v_t1_2 v_t_5) InVars {t=v_t_5} OutVars{t1=v_t1_2, t=v_t_5} AuxVars[] AssignedVars[t1]" [2025-02-17 22:45:23,862 INFO L754 eck$LassoCheckResult]: Loop: "[128] L47-2-->L47: Formula: (<= v_x3_4 v_n_4) InVars {n=v_n_4, x3=v_x3_4} OutVars{n=v_n_4, x3=v_x3_4} AuxVars[] AssignedVars[]" "[133] L47-->L49: Formula: (<= 1 v_b_5) InVars {b=v_b_5} OutVars{b=v_b_5} AuxVars[] AssignedVars[]" "[137] L49-->L47-2: Formula: (= v_x3_5 (+ v_x3_6 v_t1_3)) InVars {t1=v_t1_3, x3=v_x3_6} OutVars{t1=v_t1_3, x3=v_x3_5} AuxVars[] AssignedVars[x3]" [2025-02-17 22:45:23,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:45:23,863 INFO L85 PathProgramCache]: Analyzing trace with hash 175409470, now seen corresponding path program 1 times [2025-02-17 22:45:23,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:45:23,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589233702] [2025-02-17 22:45:23,863 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:45:23,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:45:23,865 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-17 22:45:23,867 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-17 22:45:23,867 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:23,867 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:45:23,867 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:45:23,867 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-17 22:45:23,868 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-17 22:45:23,868 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:23,868 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:45:23,869 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:45:23,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:45:23,869 INFO L85 PathProgramCache]: Analyzing trace with hash 157059, now seen corresponding path program 1 times [2025-02-17 22:45:23,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:45:23,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757176769] [2025-02-17 22:45:23,869 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:45:23,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:45:23,870 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:45:23,871 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:45:23,871 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:23,871 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:45:23,871 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:45:23,872 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:45:23,872 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:45:23,872 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:23,873 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:45:23,873 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:45:23,873 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:45:23,873 INFO L85 PathProgramCache]: Analyzing trace with hash -1351551194, now seen corresponding path program 1 times [2025-02-17 22:45:23,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:45:23,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468658616] [2025-02-17 22:45:23,874 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:45:23,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:45:23,875 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-17 22:45:23,876 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-17 22:45:23,876 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:23,876 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:45:23,876 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:45:23,877 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-17 22:45:23,878 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-17 22:45:23,878 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:23,878 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:45:23,879 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:45:23,919 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:45:23,919 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:45:23,919 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:45:23,919 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:45:23,919 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-02-17 22:45:23,919 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:23,919 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:45:23,919 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:45:23,919 INFO L132 ssoRankerPreferences]: Filename of dumped script: adfg_2_seq_1.c.bpl_petrified1_Iteration6_Lasso [2025-02-17 22:45:23,919 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:45:23,919 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:45:23,920 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:45:23,922 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:45:23,924 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:45:23,926 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:45:23,959 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:45:23,959 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-02-17 22:45:23,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:23,960 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:45:23,961 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 22:45:23,963 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 22:45:23,964 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:45:23,964 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:45:23,974 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:45:23,974 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {t=0} Honda state: {t=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:45:23,979 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 22:45:23,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:23,979 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:45:23,981 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 22:45:23,981 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 22:45:23,982 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:45:23,982 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:45:23,993 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:45:23,993 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 22:45:23,998 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 22:45:23,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:23,998 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:45:24,000 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 22:45:24,000 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 22:45:24,001 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:45:24,001 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:45:24,017 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:45:24,017 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {b=1} Honda state: {b=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:45:24,022 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 22:45:24,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:24,022 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:45:24,024 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 22:45:24,025 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 22:45:24,026 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:45:24,026 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:45:24,042 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 22:45:24,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:24,042 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:45:24,044 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 22:45:24,045 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 22:45:24,047 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-02-17 22:45:24,047 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:45:24,174 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-02-17 22:45:24,179 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2025-02-17 22:45:24,179 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:45:24,179 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:45:24,179 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:45:24,179 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:45:24,179 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-17 22:45:24,179 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:24,180 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:45:24,180 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:45:24,180 INFO L132 ssoRankerPreferences]: Filename of dumped script: adfg_2_seq_1.c.bpl_petrified1_Iteration6_Lasso [2025-02-17 22:45:24,180 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:45:24,180 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:45:24,180 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:45:24,186 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:45:24,187 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:45:24,190 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:45:24,222 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:45:24,222 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-17 22:45:24,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:24,222 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:45:24,224 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:45:24,225 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2025-02-17 22:45:24,227 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 22:45:24,236 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:45:24,236 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:45:24,236 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:45:24,236 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:45:24,237 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:45:24,237 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:45:24,240 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:45:24,245 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2025-02-17 22:45:24,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:24,246 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:45:24,247 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:45:24,249 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2025-02-17 22:45:24,250 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 22:45:24,259 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:45:24,260 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:45:24,260 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:45:24,260 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:45:24,261 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:45:24,261 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:45:24,263 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:45:24,269 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2025-02-17 22:45:24,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:24,269 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:45:24,272 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:45:24,272 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2025-02-17 22:45:24,273 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 22:45:24,282 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:45:24,282 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:45:24,282 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:45:24,282 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:45:24,283 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:45:24,283 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:45:24,286 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:45:24,291 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2025-02-17 22:45:24,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:24,291 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:45:24,293 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:45:24,294 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2025-02-17 22:45:24,296 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 22:45:24,305 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:45:24,306 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:45:24,306 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:45:24,306 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:45:24,308 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:45:24,308 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:45:24,312 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-17 22:45:24,317 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2025-02-17 22:45:24,318 INFO L444 ModelExtractionUtils]: 9 out of 16 variables were initially zero. Simplification set additionally 1 variables to zero. [2025-02-17 22:45:24,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:24,318 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:45:24,319 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:45:24,321 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2025-02-17 22:45:24,325 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-17 22:45:24,336 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2025-02-17 22:45:24,336 INFO L474 LassoAnalysis]: Proved termination. [2025-02-17 22:45:24,336 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(n, x3) = 2*n - 2*x3 + 1 Supporting invariants [1*t1 - 1 >= 0] [2025-02-17 22:45:24,367 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2025-02-17 22:45:24,369 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2025-02-17 22:45:24,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:45:24,392 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-17 22:45:24,393 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-17 22:45:24,393 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:24,393 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:45:24,393 INFO L256 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-17 22:45:24,394 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:45:24,408 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:45:24,409 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:45:24,409 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:24,409 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:45:24,409 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-17 22:45:24,409 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:45:24,430 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 22:45:24,430 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2025-02-17 22:45:24,431 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 747 states and 2041 transitions. cyclomatic complexity: 1432 Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-17 22:45:24,516 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 747 states and 2041 transitions. cyclomatic complexity: 1432. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 1423 states and 3963 transitions. Complement of second has 9 states. [2025-02-17 22:45:24,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 2 non-accepting loop states 2 accepting loop states [2025-02-17 22:45:24,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-17 22:45:24,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 108 transitions. [2025-02-17 22:45:24,517 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 108 transitions. Stem has 5 letters. Loop has 3 letters. [2025-02-17 22:45:24,517 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:45:24,517 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 108 transitions. Stem has 8 letters. Loop has 3 letters. [2025-02-17 22:45:24,517 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:45:24,517 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 108 transitions. Stem has 5 letters. Loop has 6 letters. [2025-02-17 22:45:24,517 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:45:24,517 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1423 states and 3963 transitions. [2025-02-17 22:45:24,526 INFO L131 ngComponentsAnalysis]: Automaton has 108 accepting balls. 296 [2025-02-17 22:45:24,534 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1423 states to 1186 states and 3224 transitions. [2025-02-17 22:45:24,534 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 626 [2025-02-17 22:45:24,535 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 745 [2025-02-17 22:45:24,535 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1186 states and 3224 transitions. [2025-02-17 22:45:24,535 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-17 22:45:24,535 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1186 states and 3224 transitions. [2025-02-17 22:45:24,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1186 states and 3224 transitions. [2025-02-17 22:45:24,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1186 to 826. [2025-02-17 22:45:24,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 826 states, 826 states have (on average 2.761501210653753) internal successors, (2281), 825 states have internal predecessors, (2281), 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 22:45:24,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 826 states to 826 states and 2281 transitions. [2025-02-17 22:45:24,551 INFO L240 hiAutomatonCegarLoop]: Abstraction has 826 states and 2281 transitions. [2025-02-17 22:45:24,551 INFO L432 stractBuchiCegarLoop]: Abstraction has 826 states and 2281 transitions. [2025-02-17 22:45:24,551 INFO L338 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2025-02-17 22:45:24,551 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 826 states and 2281 transitions. [2025-02-17 22:45:24,554 INFO L131 ngComponentsAnalysis]: Automaton has 75 accepting balls. 211 [2025-02-17 22:45:24,554 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-17 22:45:24,554 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-17 22:45:24,555 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2025-02-17 22:45:24,555 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-02-17 22:45:24,555 INFO L752 eck$LassoCheckResult]: Stem: "[155] $Ultimate##0-->$Ultimate##0: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0]" "[119] $Ultimate##0-->L31: Formula: (< v_b_2 1) InVars {b=v_b_2} OutVars{b=v_b_2} AuxVars[] AssignedVars[]" "[121] L31-->L35-2: Formula: (= (+ v_t_2 1) 0) InVars {} OutVars{t=v_t_2} AuxVars[] AssignedVars[t]" "[122] L35-2-->L44: Formula: (< v_n_3 v_x1_6) InVars {x1=v_x1_6, n=v_n_3} OutVars{x1=v_x1_6, n=v_n_3} AuxVars[] AssignedVars[]" "[124] L44-->L47-2: Formula: (= v_t1_2 v_t_5) InVars {t=v_t_5} OutVars{t1=v_t1_2, t=v_t_5} AuxVars[] AssignedVars[t1]" [2025-02-17 22:45:24,555 INFO L754 eck$LassoCheckResult]: Loop: "[128] L47-2-->L47: Formula: (<= v_x3_4 v_n_4) InVars {n=v_n_4, x3=v_x3_4} OutVars{n=v_n_4, x3=v_x3_4} AuxVars[] AssignedVars[]" "[134] L47-->L53: Formula: (< v_b_6 1) InVars {b=v_b_6} OutVars{b=v_b_6} AuxVars[] AssignedVars[]" "[138] L53-->L47-2: Formula: (= (+ v_x3_1 v_t1_1) v_x3_2) InVars {t1=v_t1_1, x3=v_x3_2} OutVars{t1=v_t1_1, x3=v_x3_1} AuxVars[] AssignedVars[x3]" [2025-02-17 22:45:24,555 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:45:24,555 INFO L85 PathProgramCache]: Analyzing trace with hash 175440222, now seen corresponding path program 1 times [2025-02-17 22:45:24,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:45:24,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702961283] [2025-02-17 22:45:24,555 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:45:24,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:45:24,557 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-17 22:45:24,558 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-17 22:45:24,558 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:24,558 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:45:24,558 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:45:24,558 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-17 22:45:24,559 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-17 22:45:24,559 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:24,559 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:45:24,560 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:45:24,560 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:45:24,560 INFO L85 PathProgramCache]: Analyzing trace with hash 157091, now seen corresponding path program 1 times [2025-02-17 22:45:24,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:45:24,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511652448] [2025-02-17 22:45:24,560 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:45:24,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:45:24,561 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:45:24,562 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:45:24,562 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:24,562 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:45:24,562 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:45:24,562 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:45:24,563 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:45:24,563 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:24,563 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:45:24,564 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:45:24,564 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:45:24,564 INFO L85 PathProgramCache]: Analyzing trace with hash -435418330, now seen corresponding path program 1 times [2025-02-17 22:45:24,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:45:24,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262368027] [2025-02-17 22:45:24,564 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:45:24,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:45:24,565 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-17 22:45:24,566 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-17 22:45:24,566 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:24,566 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:45:24,566 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:45:24,567 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-17 22:45:24,568 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-17 22:45:24,568 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:24,568 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:45:24,569 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:45:24,606 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:45:24,606 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:45:24,606 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:45:24,606 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:45:24,606 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-02-17 22:45:24,606 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:24,606 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:45:24,606 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:45:24,606 INFO L132 ssoRankerPreferences]: Filename of dumped script: adfg_2_seq_1.c.bpl_petrified1_Iteration7_Lasso [2025-02-17 22:45:24,606 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:45:24,606 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:45:24,607 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:45:24,610 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:45:24,612 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:45:24,614 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:45:24,647 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:45:24,647 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-02-17 22:45:24,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:24,648 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:45:24,690 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:45:24,694 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2025-02-17 22:45:24,694 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:45:24,694 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:45:24,710 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:45:24,711 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {t=0} Honda state: {t=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:45:24,715 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2025-02-17 22:45:24,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:24,716 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:45:24,717 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:45:24,718 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2025-02-17 22:45:24,719 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:45:24,719 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:45:24,729 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:45:24,730 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread1Thread1of1ForFork0_thidvar0=0} Honda state: {thread1Thread1of1ForFork0_thidvar0=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:45:24,735 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2025-02-17 22:45:24,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:24,735 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:45:24,737 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:45:24,737 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2025-02-17 22:45:24,738 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:45:24,738 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:45:24,754 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2025-02-17 22:45:24,755 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {b=0} Honda state: {b=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2025-02-17 22:45:24,761 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2025-02-17 22:45:24,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:24,762 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:45:24,763 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:45:24,764 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2025-02-17 22:45:24,765 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:45:24,765 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:45:24,781 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2025-02-17 22:45:24,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:24,781 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:45:24,782 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:45:24,784 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2025-02-17 22:45:24,785 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-02-17 22:45:24,785 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:45:24,819 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2025-02-17 22:45:24,923 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-02-17 22:45:24,929 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2025-02-17 22:45:24,929 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:45:24,929 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:45:24,930 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:45:24,930 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:45:24,930 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-17 22:45:24,930 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:24,930 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:45:24,930 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:45:24,930 INFO L132 ssoRankerPreferences]: Filename of dumped script: adfg_2_seq_1.c.bpl_petrified1_Iteration7_Lasso [2025-02-17 22:45:24,930 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:45:24,930 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:45:24,931 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:45:24,935 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:45:24,937 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:45:24,939 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:45:24,972 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:45:24,972 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-17 22:45:24,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:24,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:45:24,973 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:45:24,974 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2025-02-17 22:45:24,975 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 22:45:24,985 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:45:24,985 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:45:24,985 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:45:24,985 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:45:24,986 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:45:24,986 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:45:24,988 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:45:24,993 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2025-02-17 22:45:24,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:24,994 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:45:24,995 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:45:24,996 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2025-02-17 22:45:24,997 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 22:45:25,007 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:45:25,007 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:45:25,007 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:45:25,007 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:45:25,009 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:45:25,009 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:45:25,011 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:45:25,017 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2025-02-17 22:45:25,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:25,017 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:45:25,019 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:45:25,020 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2025-02-17 22:45:25,022 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-17 22:45:25,031 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:45:25,032 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:45:25,032 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:45:25,032 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:45:25,033 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:45:25,033 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:45:25,035 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2025-02-17 22:45:25,040 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2025-02-17 22:45:25,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:25,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:45:25,042 INFO L229 MonitoredProcess]: Starting monitored process 51 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:45:25,044 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2025-02-17 22:45:25,045 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-17 22:45:25,055 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:45:25,055 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:45:25,055 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:45:25,055 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:45:25,057 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2025-02-17 22:45:25,057 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2025-02-17 22:45:25,061 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-17 22:45:25,065 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2025-02-17 22:45:25,065 INFO L444 ModelExtractionUtils]: 9 out of 16 variables were initially zero. Simplification set additionally 1 variables to zero. [2025-02-17 22:45:25,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:25,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:45:25,067 INFO L229 MonitoredProcess]: Starting monitored process 52 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:45:25,068 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2025-02-17 22:45:25,069 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-17 22:45:25,079 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2025-02-17 22:45:25,079 INFO L474 LassoAnalysis]: Proved termination. [2025-02-17 22:45:25,079 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(n, x3) = 2*n - 2*x3 + 1 Supporting invariants [-1*t1 - 1 >= 0] [2025-02-17 22:45:25,084 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2025-02-17 22:45:25,086 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2025-02-17 22:45:25,102 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:45:25,111 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-17 22:45:25,112 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-17 22:45:25,112 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:25,112 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:45:25,112 INFO L256 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-17 22:45:25,113 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:45:25,128 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:45:25,131 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:45:25,132 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:25,132 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:45:25,132 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-17 22:45:25,132 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:45:25,152 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 22:45:25,152 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2025-02-17 22:45:25,152 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 826 states and 2281 transitions. cyclomatic complexity: 1602 Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-17 22:45:25,238 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 826 states and 2281 transitions. cyclomatic complexity: 1602. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 1364 states and 3775 transitions. Complement of second has 9 states. [2025-02-17 22:45:25,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 2 non-accepting loop states 2 accepting loop states [2025-02-17 22:45:25,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-17 22:45:25,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 99 transitions. [2025-02-17 22:45:25,240 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 99 transitions. Stem has 5 letters. Loop has 3 letters. [2025-02-17 22:45:25,241 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:45:25,241 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 99 transitions. Stem has 8 letters. Loop has 3 letters. [2025-02-17 22:45:25,241 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:45:25,242 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 99 transitions. Stem has 5 letters. Loop has 6 letters. [2025-02-17 22:45:25,242 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:45:25,242 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1364 states and 3775 transitions. [2025-02-17 22:45:25,250 INFO L131 ngComponentsAnalysis]: Automaton has 105 accepting balls. 289 [2025-02-17 22:45:25,257 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1364 states to 1233 states and 3393 transitions. [2025-02-17 22:45:25,258 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 618 [2025-02-17 22:45:25,259 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 706 [2025-02-17 22:45:25,259 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1233 states and 3393 transitions. [2025-02-17 22:45:25,259 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-17 22:45:25,259 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1233 states and 3393 transitions. [2025-02-17 22:45:25,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1233 states and 3393 transitions. [2025-02-17 22:45:25,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1233 to 1002. [2025-02-17 22:45:25,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1002 states, 1002 states have (on average 2.7704590818363273) internal successors, (2776), 1001 states have internal predecessors, (2776), 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 22:45:25,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1002 states to 1002 states and 2776 transitions. [2025-02-17 22:45:25,277 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1002 states and 2776 transitions. [2025-02-17 22:45:25,277 INFO L432 stractBuchiCegarLoop]: Abstraction has 1002 states and 2776 transitions. [2025-02-17 22:45:25,277 INFO L338 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2025-02-17 22:45:25,277 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1002 states and 2776 transitions. [2025-02-17 22:45:25,281 INFO L131 ngComponentsAnalysis]: Automaton has 85 accepting balls. 240 [2025-02-17 22:45:25,281 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-17 22:45:25,281 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-17 22:45:25,282 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2025-02-17 22:45:25,282 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-02-17 22:45:25,282 INFO L752 eck$LassoCheckResult]: Stem: "[155] $Ultimate##0-->$Ultimate##0: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0]" "[158] L16-->$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]" "[139] $Ultimate##0-->L67: Formula: (<= 1 v_b_7) InVars {b=v_b_7} OutVars{b=v_b_7} AuxVars[] AssignedVars[]" "[141] L67-->L75-2: Formula: (= v_t_6 1) InVars {} OutVars{t=v_t_6} AuxVars[] AssignedVars[t]" "[143] L75-2-->L84-1: Formula: (< v_n_5 v_x2_1) InVars {x2=v_x2_1, n=v_n_5} OutVars{x2=v_x2_1, n=v_n_5} AuxVars[] AssignedVars[]" [2025-02-17 22:45:25,282 INFO L754 eck$LassoCheckResult]: Loop: "[146] L84-1-->L86: Formula: (< v_z2_1 0) InVars {z2=v_z2_1} OutVars{z2=v_z2_1} AuxVars[] AssignedVars[]" "[150] L86-->L84-1: Formula: (= v_z2_2 (+ v_z2_3 1)) InVars {z2=v_z2_3} OutVars{z2=v_z2_2} AuxVars[] AssignedVars[z2]" [2025-02-17 22:45:25,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:45:25,282 INFO L85 PathProgramCache]: Analyzing trace with hash 176619977, now seen corresponding path program 1 times [2025-02-17 22:45:25,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:45:25,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776816285] [2025-02-17 22:45:25,282 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:45:25,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:45:25,284 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-17 22:45:25,286 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-17 22:45:25,286 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:25,286 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:45:25,286 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:45:25,287 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-17 22:45:25,287 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-17 22:45:25,287 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:25,287 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:45:25,288 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:45:25,288 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:45:25,291 INFO L85 PathProgramCache]: Analyzing trace with hash 5637, now seen corresponding path program 1 times [2025-02-17 22:45:25,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:45:25,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563164359] [2025-02-17 22:45:25,291 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:45:25,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:45:25,292 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-17 22:45:25,293 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-17 22:45:25,293 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:25,293 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:45:25,293 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:45:25,294 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-17 22:45:25,294 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-17 22:45:25,294 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:25,294 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:45:25,298 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:45:25,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:45:25,299 INFO L85 PathProgramCache]: Analyzing trace with hash -2066889267, now seen corresponding path program 1 times [2025-02-17 22:45:25,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:45:25,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18773015] [2025-02-17 22:45:25,299 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:45:25,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:45:25,300 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-17 22:45:25,301 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-17 22:45:25,301 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:25,301 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:45:25,301 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:45:25,302 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-17 22:45:25,303 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-17 22:45:25,303 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:25,303 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:45:25,303 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:45:25,320 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:45:25,320 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:45:25,320 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:45:25,320 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:45:25,320 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-02-17 22:45:25,320 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:25,320 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:45:25,320 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:45:25,320 INFO L132 ssoRankerPreferences]: Filename of dumped script: adfg_2_seq_1.c.bpl_petrified1_Iteration8_Loop [2025-02-17 22:45:25,320 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:45:25,320 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:45:25,320 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:45:25,333 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:45:25,333 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-02-17 22:45:25,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:25,334 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:45:25,335 INFO L229 MonitoredProcess]: Starting monitored process 53 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:45:25,337 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2025-02-17 22:45:25,338 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:45:25,338 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:45:25,353 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2025-02-17 22:45:25,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:25,354 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:45:25,356 INFO L229 MonitoredProcess]: Starting monitored process 54 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:45:25,357 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2025-02-17 22:45:25,358 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-02-17 22:45:25,358 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:45:25,379 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-02-17 22:45:25,383 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2025-02-17 22:45:25,383 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:45:25,383 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:45:25,383 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:45:25,383 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:45:25,384 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-17 22:45:25,384 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:25,384 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:45:25,384 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:45:25,384 INFO L132 ssoRankerPreferences]: Filename of dumped script: adfg_2_seq_1.c.bpl_petrified1_Iteration8_Loop [2025-02-17 22:45:25,384 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:45:25,384 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:45:25,384 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:45:25,398 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:45:25,398 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-17 22:45:25,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:25,398 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:45:25,400 INFO L229 MonitoredProcess]: Starting monitored process 55 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:45:25,401 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2025-02-17 22:45:25,401 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2025-02-17 22:45:25,411 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:45:25,411 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-17 22:45:25,412 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:45:25,412 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:45:25,412 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:45:25,412 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-17 22:45:25,412 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-17 22:45:25,414 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-17 22:45:25,416 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2025-02-17 22:45:25,416 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2025-02-17 22:45:25,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:25,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:45:25,418 INFO L229 MonitoredProcess]: Starting monitored process 56 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:45:25,419 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2025-02-17 22:45:25,420 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-17 22:45:25,420 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2025-02-17 22:45:25,420 INFO L474 LassoAnalysis]: Proved termination. [2025-02-17 22:45:25,420 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(z2) = -1*z2 Supporting invariants [] [2025-02-17 22:45:25,426 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2025-02-17 22:45:25,426 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-02-17 22:45:25,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:45:25,439 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-17 22:45:25,440 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-17 22:45:25,440 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:25,440 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:45:25,440 INFO L256 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-17 22:45:25,440 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:45:25,447 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-17 22:45:25,447 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-17 22:45:25,447 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:25,447 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:45:25,448 WARN L254 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-17 22:45:25,448 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:45:25,458 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 22:45:25,458 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 22:45:25,458 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1002 states and 2776 transitions. cyclomatic complexity: 1948 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 22:45:25,488 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1002 states and 2776 transitions. cyclomatic complexity: 1948. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 1489 states and 4237 transitions. Complement of second has 6 states. [2025-02-17 22:45:25,488 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 22:45:25,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 22:45:25,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 106 transitions. [2025-02-17 22:45:25,490 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 106 transitions. Stem has 5 letters. Loop has 2 letters. [2025-02-17 22:45:25,490 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:45:25,490 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 106 transitions. Stem has 7 letters. Loop has 2 letters. [2025-02-17 22:45:25,490 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:45:25,490 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 106 transitions. Stem has 5 letters. Loop has 4 letters. [2025-02-17 22:45:25,490 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:45:25,490 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1489 states and 4237 transitions. [2025-02-17 22:45:25,500 INFO L131 ngComponentsAnalysis]: Automaton has 65 accepting balls. 192 [2025-02-17 22:45:25,508 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1489 states to 1203 states and 3408 transitions. [2025-02-17 22:45:25,508 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 502 [2025-02-17 22:45:25,509 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 571 [2025-02-17 22:45:25,509 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1203 states and 3408 transitions. [2025-02-17 22:45:25,509 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-17 22:45:25,509 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1203 states and 3408 transitions. [2025-02-17 22:45:25,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1203 states and 3408 transitions. [2025-02-17 22:45:25,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1203 to 1081. [2025-02-17 22:45:25,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1081 states, 1081 states have (on average 2.851063829787234) internal successors, (3082), 1080 states have internal predecessors, (3082), 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 22:45:25,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1081 states to 1081 states and 3082 transitions. [2025-02-17 22:45:25,526 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1081 states and 3082 transitions. [2025-02-17 22:45:25,526 INFO L432 stractBuchiCegarLoop]: Abstraction has 1081 states and 3082 transitions. [2025-02-17 22:45:25,526 INFO L338 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2025-02-17 22:45:25,526 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1081 states and 3082 transitions. [2025-02-17 22:45:25,530 INFO L131 ngComponentsAnalysis]: Automaton has 65 accepting balls. 192 [2025-02-17 22:45:25,530 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-17 22:45:25,530 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-17 22:45:25,531 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2025-02-17 22:45:25,531 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2025-02-17 22:45:25,531 INFO L752 eck$LassoCheckResult]: Stem: "[155] $Ultimate##0-->$Ultimate##0: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0]" "[118] $Ultimate##0-->L27: Formula: (<= 1 v_b_1) InVars {b=v_b_1} OutVars{b=v_b_1} AuxVars[] AssignedVars[]" "[120] L27-->L35-2: Formula: (= v_t_1 1) InVars {} OutVars{t=v_t_1} AuxVars[] AssignedVars[t]" "[122] L35-2-->L44: Formula: (< v_n_3 v_x1_6) InVars {x1=v_x1_6, n=v_n_3} OutVars{x1=v_x1_6, n=v_n_3} AuxVars[] AssignedVars[]" "[124] L44-->L47-2: Formula: (= v_t1_2 v_t_5) InVars {t=v_t_5} OutVars{t1=v_t1_2, t=v_t_5} AuxVars[] AssignedVars[t1]" "[127] L47-2-->L56-1: Formula: (< v_n_1 v_x3_3) InVars {n=v_n_1, x3=v_x3_3} OutVars{n=v_n_1, x3=v_x3_3} AuxVars[] AssignedVars[]" [2025-02-17 22:45:25,531 INFO L754 eck$LassoCheckResult]: Loop: "[132] L56-1-->L58: Formula: (< v_z1_1 0) InVars {z1=v_z1_1} OutVars{z1=v_z1_1} AuxVars[] AssignedVars[]" "[136] L58-->L56-1: Formula: (= v_z1_2 (+ v_z1_3 1)) InVars {z1=v_z1_3} OutVars{z1=v_z1_2} AuxVars[] AssignedVars[z1]" [2025-02-17 22:45:25,532 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:45:25,532 INFO L85 PathProgramCache]: Analyzing trace with hash 1142726401, now seen corresponding path program 1 times [2025-02-17 22:45:25,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:45:25,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012500178] [2025-02-17 22:45:25,532 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:45:25,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:45:25,534 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-17 22:45:25,535 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-17 22:45:25,536 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:25,536 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:45:25,536 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:45:25,536 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-17 22:45:25,537 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-17 22:45:25,537 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:25,537 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:45:25,537 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:45:25,538 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:45:25,538 INFO L85 PathProgramCache]: Analyzing trace with hash 5189, now seen corresponding path program 1 times [2025-02-17 22:45:25,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:45:25,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812940694] [2025-02-17 22:45:25,538 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:45:25,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:45:25,541 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-17 22:45:25,544 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-17 22:45:25,544 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:25,544 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:45:25,544 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:45:25,545 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-17 22:45:25,545 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-17 22:45:25,546 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:25,546 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:45:25,546 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:45:25,546 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:45:25,546 INFO L85 PathProgramCache]: Analyzing trace with hash -1351552187, now seen corresponding path program 1 times [2025-02-17 22:45:25,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:45:25,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869525497] [2025-02-17 22:45:25,549 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:45:25,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:45:25,550 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-17 22:45:25,551 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-17 22:45:25,551 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:25,551 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:45:25,551 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:45:25,552 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-17 22:45:25,556 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-17 22:45:25,556 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:25,556 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:45:25,557 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:45:25,569 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:45:25,569 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:45:25,569 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:45:25,569 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:45:25,569 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2025-02-17 22:45:25,569 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:25,569 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:45:25,570 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:45:25,570 INFO L132 ssoRankerPreferences]: Filename of dumped script: adfg_2_seq_1.c.bpl_petrified1_Iteration9_Loop [2025-02-17 22:45:25,570 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:45:25,570 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:45:25,570 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:45:25,592 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2025-02-17 22:45:25,599 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:45:25,599 INFO L365 LassoAnalysis]: Checking for nontermination... [2025-02-17 22:45:25,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:25,599 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:45:25,601 INFO L229 MonitoredProcess]: Starting monitored process 57 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:45:25,602 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2025-02-17 22:45:25,604 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2025-02-17 22:45:25,604 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:45:25,605 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2025-02-17 22:45:25,619 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2025-02-17 22:45:25,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:25,619 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:45:25,621 INFO L229 MonitoredProcess]: Starting monitored process 58 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:45:25,623 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2025-02-17 22:45:25,624 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2025-02-17 22:45:25,624 INFO L160 nArgumentSynthesizer]: Using integer mode. [2025-02-17 22:45:25,645 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2025-02-17 22:45:25,649 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2025-02-17 22:45:25,649 INFO L204 LassoAnalysis]: Preferences: [2025-02-17 22:45:25,649 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2025-02-17 22:45:25,649 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2025-02-17 22:45:25,649 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2025-02-17 22:45:25,650 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2025-02-17 22:45:25,650 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:25,650 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2025-02-17 22:45:25,650 INFO L131 ssoRankerPreferences]: Path of dumped script: [2025-02-17 22:45:25,650 INFO L132 ssoRankerPreferences]: Filename of dumped script: adfg_2_seq_1.c.bpl_petrified1_Iteration9_Loop [2025-02-17 22:45:25,650 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2025-02-17 22:45:25,650 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2025-02-17 22:45:25,650 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2025-02-17 22:45:25,663 INFO L259 LassoAnalysis]: Preprocessing complete. [2025-02-17 22:45:25,663 INFO L451 LassoAnalysis]: Using template 'affine'. [2025-02-17 22:45:25,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:25,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:45:25,665 INFO L229 MonitoredProcess]: Starting monitored process 59 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:45:25,666 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2025-02-17 22:45:25,667 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 22:45:25,677 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2025-02-17 22:45:25,677 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2025-02-17 22:45:25,677 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2025-02-17 22:45:25,677 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2025-02-17 22:45:25,677 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2025-02-17 22:45:25,678 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2025-02-17 22:45:25,678 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2025-02-17 22:45:25,679 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2025-02-17 22:45:25,681 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2025-02-17 22:45:25,681 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2025-02-17 22:45:25,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2025-02-17 22:45:25,682 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-02-17 22:45:25,684 INFO L229 MonitoredProcess]: Starting monitored process 60 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2025-02-17 22:45:25,684 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2025-02-17 22:45:25,685 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2025-02-17 22:45:25,685 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2025-02-17 22:45:25,685 INFO L474 LassoAnalysis]: Proved termination. [2025-02-17 22:45:25,686 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(z1) = -1*z1 Supporting invariants [] [2025-02-17 22:45:25,691 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2025-02-17 22:45:25,692 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2025-02-17 22:45:25,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:45:25,702 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-17 22:45:25,703 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-17 22:45:25,703 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:25,703 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:45:25,704 INFO L256 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-17 22:45:25,704 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:45:25,710 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-17 22:45:25,711 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-17 22:45:25,711 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:25,711 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:45:25,711 WARN L254 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-17 22:45:25,712 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-17 22:45:25,723 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 22:45:25,724 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 22:45:25,724 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1081 states and 3082 transitions. cyclomatic complexity: 2175 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-17 22:45:25,748 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1081 states and 3082 transitions. cyclomatic complexity: 2175. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 1338 states and 3813 transitions. Complement of second has 6 states. [2025-02-17 22:45:25,748 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 22:45:25,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-17 22:45:25,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 85 transitions. [2025-02-17 22:45:25,749 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 85 transitions. Stem has 6 letters. Loop has 2 letters. [2025-02-17 22:45:25,749 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:45:25,749 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 85 transitions. Stem has 8 letters. Loop has 2 letters. [2025-02-17 22:45:25,749 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:45:25,749 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 85 transitions. Stem has 6 letters. Loop has 4 letters. [2025-02-17 22:45:25,749 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2025-02-17 22:45:25,749 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1338 states and 3813 transitions. [2025-02-17 22:45:25,759 INFO L131 ngComponentsAnalysis]: Automaton has 48 accepting balls. 156 [2025-02-17 22:45:25,763 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1338 states to 840 states and 2312 transitions. [2025-02-17 22:45:25,763 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 395 [2025-02-17 22:45:25,764 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 420 [2025-02-17 22:45:25,764 INFO L73 IsDeterministic]: Start isDeterministic. Operand 840 states and 2312 transitions. [2025-02-17 22:45:25,764 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2025-02-17 22:45:25,764 INFO L218 hiAutomatonCegarLoop]: Abstraction has 840 states and 2312 transitions. [2025-02-17 22:45:25,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 840 states and 2312 transitions. [2025-02-17 22:45:25,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 840 to 798. [2025-02-17 22:45:25,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 798 states, 798 states have (on average 2.7681704260651627) internal successors, (2209), 797 states have internal predecessors, (2209), 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 22:45:25,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 798 states and 2209 transitions. [2025-02-17 22:45:25,779 INFO L240 hiAutomatonCegarLoop]: Abstraction has 798 states and 2209 transitions. [2025-02-17 22:45:25,779 INFO L432 stractBuchiCegarLoop]: Abstraction has 798 states and 2209 transitions. [2025-02-17 22:45:25,779 INFO L338 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2025-02-17 22:45:25,779 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 798 states and 2209 transitions. [2025-02-17 22:45:25,782 INFO L131 ngComponentsAnalysis]: Automaton has 48 accepting balls. 156 [2025-02-17 22:45:25,782 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2025-02-17 22:45:25,782 INFO L119 BuchiIsEmpty]: Starting construction of run [2025-02-17 22:45:25,782 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2025-02-17 22:45:25,782 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2025-02-17 22:45:25,783 INFO L752 eck$LassoCheckResult]: Stem: "[155] $Ultimate##0-->$Ultimate##0: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_thidvar0]" "[118] $Ultimate##0-->L27: Formula: (<= 1 v_b_1) InVars {b=v_b_1} OutVars{b=v_b_1} AuxVars[] AssignedVars[]" "[120] L27-->L35-2: Formula: (= v_t_1 1) InVars {} OutVars{t=v_t_1} AuxVars[] AssignedVars[t]" "[123] L35-2-->L35: Formula: (<= v_x1_1 v_n_2) InVars {x1=v_x1_1, n=v_n_2} OutVars{x1=v_x1_1, n=v_n_2} AuxVars[] AssignedVars[]" "[126] L35-->L41: Formula: (< v_b_4 1) InVars {b=v_b_4} OutVars{b=v_b_4} AuxVars[] AssignedVars[]" "[130] L41-->L35-2: Formula: (= (+ v_x1_4 v_t_4) v_x1_5) InVars {x1=v_x1_5, t=v_t_4} OutVars{x1=v_x1_4, t=v_t_4} AuxVars[] AssignedVars[x1]" [2025-02-17 22:45:25,783 INFO L754 eck$LassoCheckResult]: Loop: "[123] L35-2-->L35: Formula: (<= v_x1_1 v_n_2) InVars {x1=v_x1_1, n=v_n_2} OutVars{x1=v_x1_1, n=v_n_2} AuxVars[] AssignedVars[]" "[126] L35-->L41: Formula: (< v_b_4 1) InVars {b=v_b_4} OutVars{b=v_b_4} AuxVars[] AssignedVars[]" "[130] L41-->L35-2: Formula: (= (+ v_x1_4 v_t_4) v_x1_5) InVars {x1=v_x1_5, t=v_t_4} OutVars{x1=v_x1_4, t=v_t_4} AuxVars[] AssignedVars[x1]" [2025-02-17 22:45:25,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:45:25,784 INFO L85 PathProgramCache]: Analyzing trace with hash 1142727427, now seen corresponding path program 1 times [2025-02-17 22:45:25,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:45:25,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938559468] [2025-02-17 22:45:25,784 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-17 22:45:25,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:45:25,786 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-17 22:45:25,786 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-17 22:45:25,786 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:25,786 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-17 22:45:25,793 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 22:45:25,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-17 22:45:25,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938559468] [2025-02-17 22:45:25,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938559468] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-17 22:45:25,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-17 22:45:25,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-17 22:45:25,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309407978] [2025-02-17 22:45:25,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-17 22:45:25,794 INFO L757 eck$LassoCheckResult]: stem already infeasible [2025-02-17 22:45:25,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-17 22:45:25,794 INFO L85 PathProgramCache]: Analyzing trace with hash 152030, now seen corresponding path program 2 times [2025-02-17 22:45:25,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-17 22:45:25,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387541657] [2025-02-17 22:45:25,794 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-17 22:45:25,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-17 22:45:25,796 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:45:25,796 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:45:25,796 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-17 22:45:25,796 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:45:25,797 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-17 22:45:25,797 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-17 22:45:25,797 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-17 22:45:25,797 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-17 22:45:25,797 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-17 22:45:25,798 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-17 22:45:25,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-17 22:45:25,818 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-17 22:45:25,818 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-17 22:45:25,818 INFO L87 Difference]: Start difference. First operand 798 states and 2209 transitions. cyclomatic complexity: 1537 Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-17 22:45:25,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-17 22:45:25,833 INFO L93 Difference]: Finished difference Result 441 states and 1217 transitions. [2025-02-17 22:45:25,833 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 441 states and 1217 transitions. [2025-02-17 22:45:25,836 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-02-17 22:45:25,836 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 441 states to 0 states and 0 transitions. [2025-02-17 22:45:25,836 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2025-02-17 22:45:25,836 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2025-02-17 22:45:25,836 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2025-02-17 22:45:25,836 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2025-02-17 22:45:25,836 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-17 22:45:25,836 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-17 22:45:25,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-17 22:45:25,837 INFO L432 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-17 22:45:25,837 INFO L338 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2025-02-17 22:45:25,837 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2025-02-17 22:45:25,837 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2025-02-17 22:45:25,837 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2025-02-17 22:45:25,841 INFO L201 PluginConnector]: Adding new model adfg_2_seq_1.c.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 17.02 10:45:25 BoogieIcfgContainer [2025-02-17 22:45:25,842 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2025-02-17 22:45:25,842 INFO L158 Benchmark]: Toolchain (without parser) took 5616.70ms. Allocated memory was 159.4MB in the beginning and 155.2MB in the end (delta: -4.2MB). Free memory was 86.2MB in the beginning and 77.9MB in the end (delta: 8.3MB). Peak memory consumption was 4.1MB. Max. memory is 8.0GB. [2025-02-17 22:45:25,842 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.90ms. Allocated memory is still 159.4MB. Free memory is still 87.1MB. There was no memory consumed. Max. memory is 8.0GB. [2025-02-17 22:45:25,842 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.15ms. Allocated memory is still 159.4MB. Free memory was 86.1MB in the beginning and 84.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 8.0GB. [2025-02-17 22:45:25,842 INFO L158 Benchmark]: Boogie Preprocessor took 15.49ms. Allocated memory is still 159.4MB. Free memory was 84.8MB in the beginning and 84.1MB in the end (delta: 719.4kB). There was no memory consumed. Max. memory is 8.0GB. [2025-02-17 22:45:25,843 INFO L158 Benchmark]: RCFGBuilder took 189.74ms. Allocated memory is still 159.4MB. Free memory was 84.1MB in the beginning and 74.4MB in the end (delta: 9.7MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2025-02-17 22:45:25,843 INFO L158 Benchmark]: BuchiAutomizer took 5388.09ms. Allocated memory was 159.4MB in the beginning and 155.2MB in the end (delta: -4.2MB). Free memory was 74.4MB in the beginning and 77.9MB in the end (delta: -3.5MB). There was no memory consumed. Max. memory is 8.0GB. [2025-02-17 22:45:25,843 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 0.90ms. Allocated memory is still 159.4MB. Free memory is still 87.1MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 20.15ms. Allocated memory is still 159.4MB. Free memory was 86.1MB in the beginning and 84.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 15.49ms. Allocated memory is still 159.4MB. Free memory was 84.8MB in the beginning and 84.1MB in the end (delta: 719.4kB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 189.74ms. Allocated memory is still 159.4MB. Free memory was 84.1MB in the beginning and 74.4MB in the end (delta: 9.7MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * BuchiAutomizer took 5388.09ms. Allocated memory was 159.4MB in the beginning and 155.2MB in the end (delta: -4.2MB). Free memory was 74.4MB in the beginning and 77.9MB in the end (delta: -3.5MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 10 terminating modules (2 trivial, 8 deterministic, 0 nondeterministic). One deterministic module has affine ranking function 2 * n + -2 * x1 + t and consists of 5 locations. One deterministic module has affine ranking function 2 * n + -2 * x1 + 1 and consists of 4 locations. One deterministic module has affine ranking function 2 * n + -2 * x2 + t and consists of 5 locations. One deterministic module has affine ranking function 2 * n + -2 * x2 + 1 and consists of 4 locations. One deterministic module has affine ranking function 2 * n + -2 * x3 + 1 and consists of 6 locations. One deterministic module has affine ranking function 2 * n + -2 * x3 + 1 and consists of 6 locations. One deterministic module has affine ranking function -1 * z2 and consists of 4 locations. One deterministic module has affine ranking function -1 * z1 and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.2s and 11 iterations. TraceHistogramMax:1. Analysis of lassos took 3.6s. Construction of modules took 0.2s. Büchi inclusion checks took 0.9s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 9. Automata minimization 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 1947 StatesRemovedByMinimization, 9 NontrivialMinimizations. Non-live state removal took 0.1s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [8, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 678 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 676 mSDsluCounter, 1048 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 447 mSDsCounter, 49 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 399 IncrementalHoareTripleChecker+Invalid, 448 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 49 mSolverCounterUnsat, 601 mSDtfsCounter, 399 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc1 concLT0 SILN1 SILU0 SILI0 SILT0 lasso6 LassoPreprocessingBenchmarks: Lassos: inital24 mio100 ax100 hnf100 lsp65 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq169 hnf94 smp100 dnf100 smp100 tf102 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 53ms VariablesStem: 1 VariablesLoop: 1 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 16 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 8 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 1.3s InitialAbstractionConstructionTime: 0.0s InitialAbstraction: - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2025-02-17 22:45:25,851 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2025-02-17 22:45:26,057 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...